CN203565428U - 360-degree variable-diameter pneumatic sweeping device - Google Patents
360-degree variable-diameter pneumatic sweeping device Download PDFInfo
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- CN203565428U CN203565428U CN201320679650.4U CN201320679650U CN203565428U CN 203565428 U CN203565428 U CN 203565428U CN 201320679650 U CN201320679650 U CN 201320679650U CN 203565428 U CN203565428 U CN 203565428U
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- reducing power
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- sweeping
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- 238000010408 sweeping Methods 0.000 title abstract description 13
- 239000012212 insulator Substances 0.000 claims abstract description 46
- 238000004140 cleaning Methods 0.000 claims description 61
- 241001417527 Pempheridae Species 0.000 claims description 26
- 238000009413 insulation Methods 0.000 claims description 17
- 230000009467 reduction Effects 0.000 claims description 16
- 210000002784 stomach Anatomy 0.000 claims description 16
- 239000011810 insulating material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 235000013358 Solanum torvum Nutrition 0.000 description 2
- 240000002072 Solanum torvum Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a 360-degree variable-diameter pneumatic sweeping device used for sweeping post insulators. The device comprises a fixed machine frame, a left movable mechanical arm, a right movable mechanical arm, a left cylinder, a right cylinder, a left cylinder stroke controller, a right cylinder stroke controller, a horizontal angle regulator, a vertical angle regulator and four pneumatic sweeping brushes. The movable mechanical arms are connected with the two ends of the fixed machine frame in a hinged mode, the outer sides of the two ends of the fixed machine frame are provided with the cylinders respectively, the left cylinder stroke controller and the right cylinder stroke controller are arranged on the left cylinder and the right cylinder respectively or on the fixed machine frame, the outer side of the symmetric axis of the fixed machine frame is connected with the horizontal angle regulator which is connected with the vertical angle regulator, and the four pneumatic sweeping brushes are arranged on the fixed machine frame and the movable mechanical arms. The whole sweeping device is arranged on an isolating rod or an isolating lifting mechanism through the vertical angle regulator, can achieve 360-degree rotary sweeping of the insulators, can change a sweeping diameter immediately, achieves 360-degree sweeping on insulators with different diameters or specially-shaped insulators with different thicknesses, and has no sweeping dead corner. The sweeping device is a high-strength isolating product, and is suitable for high-voltage and low-voltage electric work and non-electric work at various voltage levels.
Description
Technical field
The utility model relates to a kind of Pneumatic cleaning machinery that cleans support insulator, relates in particular to a kind of reducing power cleaner that can carry out to the insulator of different-diameter 360 degree cleanings.
Background technology
Substation Insulator is support and the insulation facility of transformer station's inner high voltage equipment, and owing to staying open air throughout the year, insulator surface easily forms pollution layer.These dunghills are subject to dense fog, light rain etc. moistening, very easily cause pollution flashover accident.Pollution flashover accident gently causes line tripping, power failure, heavy cause grid disconnection, causes disastrous interruption on a large scale, therefore to insulator, will regularly clean scrubbing.
China carries out existing more than the 40 years history of work of anti-pollution flashover.The anti-pollution flashover maintenance technology of present widely used power equipment external insulation is still adjusted the mode of creep distance, external coating and hand sweeping.Hand sweeping must have a power failure and carry out, even if alternately have a power failure, also to power grid operation, causes certain risk and hidden danger.The insulator cleaning machinery having come out, is all to use power line and electric drill or motor to drive, and has High-Voltage Insulation potential safety hazard, once can only clean 1/3 or 1/4 of insulator excircle, can not carry out 360 degree cleanings to insulator; This scavenging machine needs on the ground around a replacing insulator 3-4 operating position, moves 3-4 minor insulation lifting bracket and cleaning equipment, at the different directions of insulator, implements respectively 3-4 cleaning and just can complete the cleaning that an insulator 360 is spent.
Summary of the invention
The utility model is intended to overcome the shortcoming and defect of existing insulator cleaning machinery, and a kind of 360 degree reducing power cleaners that clean support insulator are provided.This sweeper is simple to operate, is easy to control, and can immediately change cleaning diameter, various different-diameters and dissimilar insulator is carried out to 360 degree and immediately clean, without cleaning dead angle.
The technical solution adopted in the utility model is as follows:
360 degree reducing power cleaners comprise fixed frame, left and right mobile machine arm, left and right cylinder, left and right cylinder stroke controller, level angle device, vertical gyrator and four Pneumatic cleaning brushes; Fixed frame two ends chain connection mobile machine arm, outside, fixed frame two ends arranges respectively cylinder, left and right cylinder stroke controller is installed respectively on left and right cylinder or fixed frame, the axis of symmetry outside of fixed frame connects level angle device, level angle device connects vertical gyrator, four Pneumatic cleaning brushes are arranged on respectively on fixed frame and left and right mobile machine arm, to be uniformly distributed as the best.
Described fixed frame is containing fixed mount, left and right cylinder link and left and right cleaning brush holder; Described fixed mount is empty stomach insulating materials, and it is inner chamber circulation compressed air on an empty stomach.
Described left and right mobile machine arm is joint type mobile machine arm, left and right mobile machine arm comprises respectively the movable armed lever in left and right, left-right rotation connecting axle, piston rod link and cleaning brush holder, and the movable armed lever in left and right is connected with the two ends of fixed frame by being rotationally connected axle respectively.
Described movable armed lever is empty stomach insulating materials, and it is the negotiable compressed air of inner chamber on an empty stomach.
Described left and right cylinder is containing cylinder block and piston rod; The piston rod of left and right cylinder respectively with the piston rod link chain connection of left and right mobile machine arm, the left and right cylinder other end respectively with the left and right cylinder link chain connection of fixed frame.Left and right cylinder carries out action control to left and right mobile machine arm respectively.
Described left and right cylinder stroke controller respectively comprises control circuit and magnetic valve, and magnetic valve is 3 position-5 way meta sealing magnetic valve.The magnetic valve of cylinder stroke controller is obtained compressed air from the empty stomach inner chamber of fixed frame, to cylinder front and back end, import respectively compressed air, intake and exhaust amount that can control cylinder front and back end the at any time porting of closed cylinder, the actuating length of instant control cylinder inner carrier also makes piston location, optional position in cylinder motionless; Two cylinder stroke controllers can be by automatics control or manual remote control.
Described level angle device comprises rotating shaft, bearing and for fixed rotating shaft bearing and be connected and fixed the insulating support of frame, level angle device can make these 360 degree power cleaners rotate arbitrarily in the horizontal direction.
Described vertical gyrator, for two stacked insulation boards connect by bolt and nut perforation the swinging mounting forming, for adjusting the vertical angle of this 360 degree power cleaner and insulating bar or insulation lifting device, facilitates cleaning work.
Described Pneumatic cleaning brush comprises air motor, gearbox, train of reduction gears, brush axle and disk brush sweeper; Air motor is arranged on the bottom of gearbox, train of reduction gears is set in gearbox, the armature spindle of air motor stretches into the driving wheel that train of reduction gears is installed in gearbox, it is on brush axle that the driven pulley of train of reduction gears is arranged on driven shaft, and brush shaft extension goes out the outer end of gearbox disk brush sweeper is installed.Air motor does work take compressed air as dynamic rotation, through train of reduction gears and brush axle driver plate brush sweeper, implements rotary cleaning operation.
Described air motor comprises air admission hole and steam vent set on air motor body, armature spindle and pneumatic motor body.
This 360 degree power cleaner entirety is arranged on insulating bar or insulation lifting mechanism by vertical gyrator.
Operation principle of the present utility model is: during work, the magnetic valve of left and right cylinder stroke controller is obtained compressed air from the empty stomach inner chamber of fixed frame, imports respectively compressed air to cylinder front and back end, makes cylinder action; The angular dimension that the movement travel control left and right mobile machine arm of left and right cylinder piston rod opens or closes up, change left and right mobile machine arm and fixed frame form the size of inscribe circle diameter, change the cleaning diameter of this reducing power cleaner; By remote control or automatic program control, immediately control and regulate the cleaning diameter of this sweeper, with the insulator of suitable various different-diameters.
At fixed frame and left and right mobile machine arm, surround under the state of insulator fixed frame and left and right mobile machine arm
onfour Pneumatic cleaning brushes that distribute, along with this sweeper
aroundinsulator rotating is also done High Rotation Speed cleaning, each Pneumatic cleaning brush simultaneously
ringaround insulator rotating quarter turn, four Pneumatic cleaning brushes complete the cleaning that insulator excircle 360 is spent.
The air motor of Pneumatic cleaning brush drives the train of reduction gears deceleration transmission of gearbox, and the driven pulley driven brush axle of train of reduction gears makes disk brush sweeper High Rotation Speed clean insulator.
The utlity model has following advantage and good effect:
(1) this sweeper multiple spot is arranged the Pneumatic cleaning brush of four drive, the 360 degree cleanings that can implement to repeat arbitrarily to insulator, and can immediately change cleaning diameter, the insulator of various different-diameters is carried out to 360 degree cleanings, and conical insulator, turriform insulator, the thin ends and thick middle fusiformis insulator that also can differ to two ends thickness carry out 360 degree cleanings.
(2) the solid mechanical arm of this cleaning purging device and mobile machine arm are made by the insulating materials on an empty stomach that insulate, and lightweight, inertia is little, flexible movements; In livewire work, do not dwindle the insulation distance between high-tension apparatus phase and phase and phase and ground, greatly improved the insulation safety of livewire work.
(3) this sweeper is take clean compressed air as power, with air motor, make cleaning power set, with air cylinder driven mobile machine arm, having eliminated motor drives and the existing various insulation hidden danger of hydraulic-driven, be suitable for electrification in high voltage, super-pressure and extra-high voltage electrified operation, also be applicable to various low-voltage live line works and various not livewire work, the application of this sweeper, can become the effective measure that efficient cleaning insulator and electric power safety are produced, ensured supply of electric power.
Accompanying drawing explanation
Fig. 1 is the utility model mechanical arm open configuration structural representation;
Fig. 2 is that the utility model mechanical arm closes up status architecture schematic diagram;
Fig. 3 is Pneumatic cleaning brush configuration schematic diagram;
Fig. 4 is the top view of Fig. 3 Pneumatic cleaning brush.
The specific embodiment
Below in conjunction with accompanying drawing, introduce in detail specific embodiment of the utility model:
As shown in Figure 1 and Figure 2, this 360 degree reducing power cleaner comprises: fixed frame 1, left mobile machine arm 2 and right mobile machine arm 3, left cylinder 4 and right cylinder 5, left cylinder stroke controller 6 and right cylinder stroke controller 7, level angle device 8, vertical gyrator 9 and four Pneumatic cleaning brushes 10.
Fixed frame 1 comprises that fixed mount 1.1, left cylinder link 1.2, right cylinder link 1.3, left cleaning brush holder 1.4 and right cleaning brush fix 1.5; Fixed mount 1.1 is empty stomach insulating materials, and it is inner chamber circulation compressed air on an empty stomach.
Left and right mobile machine arm 2 and 3 is joint type mobile machine arm, left and right mobile machine arm 2 and 3 comprises movable armed lever 2.1,3.1, be rotationally connected axle 2.2,3.2, piston link 2.3,3.3 and cleaning brush holder 2.4,3.4.Left and right mobile machine arm 2 and 3 is by being rotationally connected respectively the two ends chain connection of axle 2.2,3.2 and fixed frame 1 by it.The movable armed lever 2.1 and 3.1 in left and right is empty stomach insulating materials, and it is the negotiable compressed air of inner chamber on an empty stomach.
Left and right cylinder 4 and 5 respectively comprises cylinder block and piston rod; The piston rod link 2.3 of the piston rod chain connection mobile machine arm 2 of cylinder 4, the left hand cylinder link 1.2 of cylinder 4 rear end chain connection fixed frames 1; The piston rod link 3.3 of the piston rod chain connection mobile machine arm 3 of cylinder 5, the right cylinder link 1.3 of cylinder 5 rear end chain connection fixed frames 1; Left and right cylinder 4 and 5 is controlled respectively 2 and 3 actions of left and right mobile machine arm, and controls the angular turn stroke size of left and right mobile machine arm.
Left and right cylinder stroke controller 6 and 7 is respectively containing control circuit and 3 position-5 way meta sealing magnetic valve, and left and right cylinder stroke controller 6 and 7 is arranged on respectively on left and right cylinder 4 and 5 or is arranged on fixed frame; The magnetic valve of left and right cylinder stroke controller 6 and 7 is obtained compressed air from the empty stomach inner chamber of fixed frame 1, respectively to cylinder 4,
cylinder5 front and back ends import and derive compressed air, the intake and exhaust amount that can control left and right cylinder 4 and 5 front and back ends is also sealed the porting of left and right cylinder 4 and 5 at any time, immediately controls the actuating length of left and right cylinder 4 and 5 inner carriers and makes the optional position location of piston in cylinder motionless; Cylinder stroke controller 6 and 7 set power supplys in left and right are 12V or 24V lithium battery, and non-transformer lead-out wire, does not exist electric insulation hidden danger, and left and right cylinder stroke controller 6 and 7 is by manual remote control or automatics control.
Left and right cylinder stroke controller 6 and 7 is controlled the movement travel size of left and right cylinder 4 and 5, left and right cylinder 4 and 5 is controlled left and right mobile machine arm 2 and 3 and is opened and the angular travel size of closing up, change the size that left and right mobile machine arm and fixed frame form inscribe circle diameter, control and changing the cleaning diameter of 360 degree reducing Pneumatic cleaning purging devices.
Level angle device 8 is positioned at the outside of fixed frame 1 axis of symmetry, and level angle device 8 consists of rotating shaft, bearing and the insulating support for fixed rotating shaft bearing, is firmly connected with fixed frame 1.Promote level angle device 8, can make this sweeper around insulator, freely rotate in the horizontal direction.
The swinging mounting that vertical gyrator 9 consists of bolt and nut perforation connection for two stacked insulation boards; A wherein connection level angle device of two stacked insulation boards, another piece can connect insulating bar, two stacked insulation boards can rotate or locate fixing each other, when bolt unclamps, two stacked insulation boards can rotate mutually, when bolted, the relative angular position between two stacked insulation boards is by bolt and nut stationary positioned; This vertical gyrator is for adjusting the vertical angle of 360 degree power cleaners and insulating bar.
Four Pneumatic cleaning brushes 10 are arranged on the cleaning brush holder of fixed frame 1 and mobile machine arm 2,3,
to be uniformly distributed as the best.
As shown in Figure 3, Figure 4, Pneumatic cleaning brush 10 is containing air motor 10.1, gearbox 10.2, train of reduction gears 10.3, brush axle 10.4 and disk brush sweeper 10.5.Air motor 10.1 is arranged on the bottom of gearbox 10.2, the interior train of reduction gears 10.3 that arranges of gearbox 10.2, the armature spindle 10.1.2 of air motor 10.1 stretches into the driving wheel 10.3.1 of the interior installation train of reduction gears 10.3 of gearbox 10.2, it is on brush axle 10.4 that the driven pulley 10.3.2 of train of reduction gears 10.3 is arranged on driven shaft, and brush axle 10.4 stretches out the outer end of gearbox 10.2 disk brush sweeper 10.5 is installed.Air motor 10.1 does work take compressed air as dynamic rotation, through train of reduction gears 10.3 and brush axle 10.4 driver plate brush sweepers 10.5, implements rotary cleaning operation.
Air motor 10.1 comprises air motor body 10.1.1 and armature spindle 10.1.2, establishes air admission hole 10.1.3 and steam vent 10.1.4 on air motor housing.
The steam vent 10.1.4 of above-mentioned air motor 10.1 is upper, and blast pipe also can be installed, and the gas outlet of this blast pipe, towards insulator, makes the compressed air tail gas air-flow after air motor acting purge insulator.
The method of operating of this sweeper: during work, insulation lifting mechanism is in place, leans against on insulator under the state that this sweeper is opened at two ends mobile machine arm, and then remote control mobile machine arm closes up, and makes this sweeper encircle insulator.
According to the diameter of various different insulative, the cylinder stroke controller of instant this sweeper of remote control adjustment, cylinder control and adjusting left and right mobile machine arm open and the angle of closing up, and change the cleaning diameter of this sweeper, make this sweeper be applicable to insulator; Start four Pneumatic cleaning brushes, four Pneumatic cleaning brushes do High Rotation Speed cleaning, left and right promotes level angle device, makes this sweeper around the suitable quarter turn that rotates arbitrarily counterclockwise of insulator, and four Pneumatic cleaning brushes can complete the cleaning to insulator excircle tour.
Complete after a circle cleaning, decline a slice full skirt height, repeats above step, completes after the cleaning work of whole insulator, and remote control mobile machine arm opens, and makes this sweeper leave insulator.
The insulator of cleaning different-diameter, or when the conical insulator of the thickness inequality of cleaning own, turriform insulator, thin ends and thick middle fusiformis insulator, the cleaning diameter of this sweeper is adjusted in instant remote control, makes this sweeper be applicable to insulator.
Claims (12)
1. 360 degree reducing power cleaners that clean support insulator, is characterized in that: comprise fixed frame (1), left and right mobile machine arm (2,3), left and right cylinder (4,5), left and right cylinder stroke controller (6,7), level angle device (8), vertical gyrator (9) and four Pneumatic cleaning brushes (10); Fixed frame (1) two ends and left and right mobile machine arm (2,3) chain connection, outside, fixed frame (1) two ends arranges respectively left and right cylinder (4,5), cylinder stroke controller (6,7) is installed respectively on left and right cylinder (4,5) or fixed frame, the axis of symmetry outside of fixed frame (1) connects level angle device (8), level angle device (8) connects vertical gyrator (9), and four Pneumatic cleaning brushes (10) are arranged on respectively on fixed frame (1) and left and right mobile machine arm (2,3).
2. according to 360 degree reducing power cleaners claimed in claim 1, it is characterized in that: fixed frame (1) is containing fixed mount (1.1), left and right cylinder link (1.2,1.3) and left and right cleaning brush holder (1.4,1.5).
3. according to 360 degree reducing power cleaners claimed in claim 2, it is characterized in that: fixed mount (1.1) is empty stomach insulating materials, and it is inner chamber circulation compressed air on an empty stomach.
4. according to 360 degree reducing power cleaners claimed in claim 1, it is characterized in that: left and right mobile machine arm (2,3) is joint type mobile machine arm, left and right mobile machine arm (2,3) comprises respectively movable armed lever (2.1,3.1), is rotationally connected axle (2.2,3.2), piston rod link (2.3,3.3) and cleaning brush holder (2.4,3.4), and the movable armed lever in left and right (2.1,3.1) is connected with the two ends of fixed frame (1) by being rotationally connected axle (2.2,3.2) respectively.
5. according to 360 degree reducing power cleaners claimed in claim 4, it is characterized in that: movable armed lever (2.1,3.1) is empty stomach insulating materials, and it is inner chamber circulation compressed air on an empty stomach.
6. according to 360 degree reducing power cleaners claimed in claim 1, it is characterized in that: left and right cylinder (4,5) is respectively containing cylinder body and piston rod; Piston rod link (2.3, the 3.3) chain connection of the piston rod of left and right cylinder (4,5) and left and right mobile machine arm (2,3), cylinder link (1.2, the 1.3) chain connection of left and right cylinder (4, the 5) other end and fixed frame (1).
7. according to 360 degree reducing power cleaners claimed in claim 1, it is characterized in that: left and right cylinder stroke controller (6,7) respectively comprises control circuit and magnetic valve, can be by manual remote control or automatic program control.
8. according to 360 degree reducing power cleaners claimed in claim 7, it is characterized in that: described magnetic valve adopts 3 position-5 way meta sealing magnetic valve.
9. according to 360 degree reducing power cleaners claimed in claim 1, it is characterized in that: level angle device (8) comprises rotating shaft, bearing and for fixed rotating shaft bearing and be connected and fixed the insulating support of frame (1).
10. according to 360 degree reducing power cleaners claimed in claim 1, it is characterized in that: the swinging mounting that vertical gyrator (9) consists of bolt and nut perforation connection for two stacked insulation boards.
11. according to 360 degree reducing power cleaners claimed in claim 1, it is characterized in that: Pneumatic cleaning brush (10) comprises air motor (10.1), gearbox (10.2), train of reduction gears (10.3), brush axle (10.4) and disk brush sweeper (10.5); Air motor (10.1) is arranged on the bottom of gearbox (10.2), train of reduction gears (10.3) is set in gearbox (10.2), the armature spindle (10.1.2) of air motor (10.1) stretches into the driving wheel that train of reduction gears (10.3) is installed in gearbox (10.2), it is that brush axle (10.4) is upper that the driven pulley of train of reduction gears (10.3) is arranged on driven shaft, and brush axle (10.4) stretches out the outer end of gearbox (10.2) disk brush sweeper (10.5) is installed.
12. according to 360 degree reducing power cleaners claimed in claim 10, it is characterized in that: air motor (10.1) comprises air motor body (10.1.1) and armature spindle (10.1.2), on air motor housing, establish air admission hole (10.1.3) and steam vent (10.1.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320679650.4U CN203565428U (en) | 2013-10-31 | 2013-10-31 | 360-degree variable-diameter pneumatic sweeping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320679650.4U CN203565428U (en) | 2013-10-31 | 2013-10-31 | 360-degree variable-diameter pneumatic sweeping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203565428U true CN203565428U (en) | 2014-04-30 |
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ID=50533187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320679650.4U Expired - Fee Related CN203565428U (en) | 2013-10-31 | 2013-10-31 | 360-degree variable-diameter pneumatic sweeping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203565428U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103599905A (en) * | 2013-10-31 | 2014-02-26 | 国家电网公司 | 360-degree diameter-changing pneumatic sweeper |
| CN112517470A (en) * | 2019-09-18 | 2021-03-19 | 国网河南省电力公司漯河供电公司 | Full-insulation pneumatic cleaning device for cleaning insulators by utilizing rotary brush |
-
2013
- 2013-10-31 CN CN201320679650.4U patent/CN203565428U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103599905A (en) * | 2013-10-31 | 2014-02-26 | 国家电网公司 | 360-degree diameter-changing pneumatic sweeper |
| CN112517470A (en) * | 2019-09-18 | 2021-03-19 | 国网河南省电力公司漯河供电公司 | Full-insulation pneumatic cleaning device for cleaning insulators by utilizing rotary brush |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |