CN105350901B - A kind of electric power overhaul multistage climbing ladder - Google Patents
A kind of electric power overhaul multistage climbing ladder Download PDFInfo
- Publication number
- CN105350901B CN105350901B CN201510687149.6A CN201510687149A CN105350901B CN 105350901 B CN105350901 B CN 105350901B CN 201510687149 A CN201510687149 A CN 201510687149A CN 105350901 B CN105350901 B CN 105350901B
- Authority
- CN
- China
- Prior art keywords
- ladder
- casing
- support arm
- support
- electric power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000009194 climbing Effects 0.000 title claims abstract description 15
- 238000012423 maintenance Methods 0.000 description 13
- 230000007423 decrease Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/20—External fittings
- B65D25/22—External fittings for facilitating lifting or suspending of containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Ladders (AREA)
Abstract
The invention discloses a kind of electric power overhaul multistage climbing ladder, including ladder and casing, wherein described ladder includes two parallel support arms, and the horizontal stroke ladder being vertically set between the support arm, connecting hole is provided with the top of the support arm, bottom is provided with the connecting shaft that can be socketed with the connecting hole, provided with the fixing device that can be fixed the ladder vertically on utility poles on the support arm, support slipper is provided with the axial direction of the support arm, provided with the support chute that can coordinate with the support slipper in the casing, wherein side outside the casing, which is provided with, to be used to drive the lowering or hoisting gear that casing is moved up and down on the support arm, brace is provided with casing opposite side therein, the present invention is used flexibly and easily, do not influenceed by landform, meet the service requirements of different height electric pole.
Description
Technical field
The present invention relates to a kind of climbing ladder, especially a kind of electric power overhaul multistage climbing ladder.
Background technology
At present, Utilities Electric Co. oneself will be administered every year in power network carry out repair and maintenance, power network is ensured with this
Normal trouble free service, in some mountain areas either remote rural area, due to the inconvenience of road traffic, therefore some can not be climbed
Step on device and be transported to Overhaul site, so when the electric wire damage on electric pole needs to be repaired, maintenance worker generally requires
Nigh other borrows ladder, could complete service work, be had the following disadvantages for such working method：1st, no
Ladder with other is different in size, therefore is difficult the ladder that finds appropriate length in actually maintenance, though have found it is suitable
Ladder, but because ladder is inherently long, now maintenance worker needs to shoulder long ladder walking, this nothing on rugged mountain path
Doubt the labor intensity for adding maintenance worker, the substantial amounts of muscle power of workman of consuming；2nd, the structure due to ladder in itself is just very simple,
So needing a people to help ladder in maintenance, another person's climbing could complete work up, and this not only causes maintenance to provide
The waste in source, the and now stabilization of ladder fully relies on that workman is hand steered to live ladder stabilizer, so as to overhauling
Workman brings huge potential safety hazard.
The content of the invention
The technical assignment of the present invention is to be directed to above the deficiencies in the prior art, and provides a kind of electric power overhaul multistage and climb
Ladder.
The technical solution adopted for the present invention to solve the technical problems is：A kind of electric power overhaul multistage climbing ladder, including
Ladder and casing, wherein the ladder includes two parallel support arms, and the horizontal stroke ladder being vertically set between the support arm,
Connecting hole is provided with the top of the support arm, bottom passes through when in use provided with the connecting shaft that can be socketed with the connecting hole
The overlap joint of ladder one by one is got up in the cooperation of connecting shaft and connecting hole, because the ladder in bottommost is direct and ground
Contact, therefore the bottom of a ladder does not set connecting shaft wherein, being provided with the support arm can be by the ladder
Vertical fixed fixing device on utility poles, because being designed with fixing device on every section ladder, whole ladder can be with
It is stably fixed on electric pole very much, support slipper is provided with the axial direction of the support arm, provided with can be with the casing
The support chute that the support slipper coordinates, in cooperation of the not used time by support slipper and support chute, can tear ladder open
Unload down and be put into casing, so as to facilitate the carrying of workman, the wherein side outside the casing, which is provided with, to be used to drive case
The lowering or hoisting gear that body is moved up and down on the support arm, first ladder all before ladder is installed are all located in casing,
So needing ladder being taken out out of casing one by one when installing ladder, now filled by the lifting being arranged on casing
Putting just can allow casing together to be lifted with workman, be provided with brace in casing opposite side therein, such workman can be rugged
Casing walking is carried on rugged hill path, obstruction of the environment to workman is reduced.
The fixing device includes fix bar and snap fastener, wherein the bottom of a support arm and another branch
The top of brace is hinged with the fix bar, and the snap fastener is fixedly installed in the fix bar, so works as fix bar
On card and mechanism and electric pole it is locked after, an isosceles triangle is just formed between two fix bars and horizontal ladder, it is so each
Ladder is all firmly fixed on utility poles, and fixture block is provided with the fix bar end, provided with can be with the support arm
The other end of fix bar, is caught on support arm by the neck that the fixture block coordinates in the not used time by the cooperation of fixture block and neck,
So as to reduce the space shared by fix bar.
The snap fastener is to be hinged to form by two semicircular snap rings, and the end of a snap ring passes through wherein
Jointed shaft is connected with fastening screw, and clamp nut is provided with the fastening screw, in the fastening screw end provided with spacing
Block, the snap ring end described in another is provided with fastening notch, when by snap fastener, ladder is fixed on utility poles, first
Allow electric pole to be located in two snap rings, then the end of fastening screw is caught in fastening notch, then clamp nut is tightened
.
The lowering or hoisting gear includes power-driven mechanism and sliding equipment, and the sliding equipment is slided to be arranged on the support
Lifting chute on block, and can with it is described lifting chute coordinate lifting slider, the lifting slider by connecting plate with it is described
Casing connect, by lifting the cooperation of chute and lifting slider, so install ladder during can just allow casing with
Workman together lifts.
The power-driven mechanism is made up of the motor in lifting slider and worm screw, and the motor connects
Switch is connected to, the rotating for controlling motor is switched, the clutch end of the motor is connected with the worm screw,
Provided with some sections of worm threads on the worm screw, worm gear is equipped with the worm thread both sides, on the worm gear with one heart
Provided with drive, rack is provided with the lifting chute both sides, being provided with the lifting slider both sides can coordinate with the rack
Lifting wheel, the lifting wheel in the same side engages with drive, and such worm screw rotates under the drive of motor, and power leads to
Cross worm gear and drive is passed on lifting wheel, now drive casing to move up and down by lifting the effect of wheel and rack, in institute
Worm screw top is stated provided with locating piece, locating groove is provided with the locating piece, alignment pin is provided with the locating groove,
The lifting slider top is provided with some positioning holes that can be with the detent fit, when that need not be lifted to casing,
By alignment pin from slipping into positioning hole, while switch is closed, now locating piece can not be entered by the drag effect of alignment pin
Row is rotated, and so also avoids worm screw rotation, then casing is fixed on ladder under the engagement of lifting wheel and rack.
The casing is divided into rest area and Storage, and the support chute is located in the rest area, in the Storage
Interior to be provided with some hooks, some conventional instruments can be suspended on hook by workman in maintenance, so as to mitigate the negative of workman
Weight, pull bar is provided with the casing side, and universal wheel is provided with the bottom half, during casing is carried, if met
During to flat road, by pull bar casing can be pulled to move, so as to reduce physical demands of the workman before maintenance.
Advantages of the present invention：1st, the climbing ladder in the present invention is formed using multiple ladders overlap joint, therefore in real work
Middle maintenance worker can according to needed for arbitrarily being selected the height of electric pole ladder quantity, workman's service work is met with this
It is required that, the trouble for finding ladder is so not only eliminated, and also reduce the labor intensity of workman；2nd, because in each ladder
On be designed with fixing device, by fixing device will can often save ladder all it is fixed on utility poles, operationally avoid the need for
There is special people to keep the stabilization of ladder, such a electric pole only needs a people to complete service work, and this is not only saved
Maintenance resource, and also avoid potential potential safety hazard.
Brief description of the drawings
Fig. 1 is the structural representation of ladder of the present invention.
Fig. 2 is the structural representation of casing of the present invention.
Fig. 3 is the structural representation of snap fastener of the present invention.
Fig. 4 is the structural representation of lowering or hoisting gear of the present invention.
Fig. 5 is the mounting structure schematic diagram of ladder of the present invention.
Embodiment
The present invention is described below with reference to Figure of description.
As illustrated, a kind of electric power overhaul multistage climbing ladder, including ladder and casing 6, wherein the ladder includes two
The parallel support arm 1 of root, and the horizontal stroke ladder 2 being vertically set between the support arm 1, on the top of the support arm 1 provided with company
Hole 10 is connect, bottom passes through connecting shaft 11 and connecting hole 10 when in use provided with the connecting shaft 11 that can be socketed with the connecting hole 10
Cooperation the overlap joint of ladder one by one is got up because the ladder in bottommost is directly to be contacted with ground, therefore at it
In the bottom of a ladder connecting shaft 11 is not set, provided with can be fixed on the ladder vertically on the support arm 1
Fixing device on electric pole, because being designed with fixing device on every section ladder, whole ladder very stable can be consolidated
Fixed that support slipper 3 is provided with the axial direction of the support arm 1 on utility poles, being provided with the casing 6 can be with the support
The support chute 30 that sliding block 3 coordinates, in cooperation of the not used time by support slipper 3 and support chute 30, can dismantle ladder
Get off and be put into casing 6, so as to facilitate the carrying of workman, the wherein side outside the casing 6, which is provided with, to be used to drive case
The lowering or hoisting gear that body 6 is moved up and down on the support arm 1, first ladder all before ladder is installed are all located at casing 6
It is interior, so being taken out out of casing 6 one by one is needed ladder when installing ladder, now by being arranged on casing 6
Lowering or hoisting gear just can allow casing 6 together to be lifted with workman, and brace 62, such work are provided with the casing 6 opposite side therein
People can carry casing 6 on rugged mountain path and walk, and reduce obstruction of the environment to workman.
The fixing device includes fix bar 4 and snap fastener 5, wherein the bottom of support arm 1 and another
The top of individual support arm 1 is hinged with the fix bar 4, and the snap fastener 5 is fixedly installed in the fix bar 4, so
After the snap fastener 5 in fix bar 4 and electric pole are locked, an isoceles triangle is just formed between two fix bars 4 and horizontal ladder 2
Shape, so each ladder is firmly fixed on utility poles, fixture block 41 is provided with the end of fix bar 4, in the branch
Brace 1, will be fixed by the cooperation of fixture block 41 and neck 40 in the not used time provided with the neck 40 that can coordinate with the fixture block 41
The other end of bar 4 is caught on support arm 1, so as to reduce the space shared by fix bar 4.
The snap fastener 5 is to be hinged to form by two semicircular snap rings 50, wherein the end of a snap ring 50
End is connected with fastening screw 51 by jointed shaft, clamp nut 53 is provided with the fastening screw 51, in the fastening screw
51 ends are provided with limited block 54, and the limited block 54 of setting can prevent clamp nut 53 from being dropped from fastening screw 51, another
The individual described end of snap ring 50 is provided with fastening notch 52, when by snap fastener 5, ladder is fixed on utility poles, allows electricity first
Line bar is located in two snap rings 50, then the end of fastening screw 51 is caught in fastening notch 52, then by clamp nut 53
Tighten.
The lowering or hoisting gear includes power-driven mechanism and sliding equipment, and the sliding equipment is slided to be arranged on the support
Lifting chute 31 on block 3, and the lifting slider 8 that can coordinate with the lifting chute 31, the lifting slider 8 pass through connecting plate
7 are connected to the outside of casing 6, by lifting the cooperation of chute 31 and lifting slider 8, so during ladder is installed just
Casing 6 can be allowed together to be lifted with workman.
The power-driven mechanism is made up of the motor 84 in lifting slider 8 and worm screw 81, the driving
Motor 84 is connected with switch 841, and switch 841 is used for the rotation for controlling motor 84, the power output of the motor 84
End is connected with the worm screw 81, equal in the both sides of worm thread 83 provided with some sections of worm threads 83 on the worm screw 81
Provided with worm gear 85, drive 86 is provided with one heart on the worm gear 85, rack 32 is provided with lifting chute 31 both sides, in institute
The both sides of lifting slider 8 are stated provided with the lifting wheel 82 that can coordinate with the rack 32, lifting wheel 82 and drive in the same side
86 engagements, such worm screw 81 rotates under the drive of motor 84, and power passes to lifting wheel by worm gear 85 and drive 86
On 82, now casing 6 is driven to move up with the effect of rack 32 by lifting wheel 82, on the top of worm screw 81 provided with fixed
Position block 80, is provided with locating groove on the locating piece 80, alignment pin 801 is provided with the locating groove, in the lifting
The top of sliding block 8 is provided with some positioning holes 802 that can coordinate with the alignment pin 801, when that need not be lifted to casing 6,
By alignment pin 801 from slipping into positioning hole 802, while switch 841 is closed, now resistance of the locating piece 80 by alignment pin 801
Power is acted on and can not rotated, and so also avoiding worm screw 81 rotates, then under the engagement with rack 32 of lifting wheel 82
Casing 6 is fixed on ladder.
The casing is divided into rest area and Storage, and the support chute 30 is located in the rest area, in the storage
Provided with some hooks 61 in area, the instrument that workman can be conventional by some in maintenance is suspended on hook 61, so as to mitigate work
The heavy burden of people, pull bar 64 is provided with the side of casing 6, and universal wheel 63 is provided with the bottom of casing 6, is carrying casing 6
During, if run into flat road, casing 6 can be pulled to move by pull bar 64, so as to reduce workman in maintenance
Preceding physical demands.
Its operation principle is：Battery is provided with connecting plate 7 first, is that motor 84 provides necessary power supply, together
When in order to reduce the weight of ladder and casing 6, while also ensure the intensity of ladder, therefore ladder is closed with casing 6 using aluminium
Golden material is made, and the ladder for being not provided with connecting shaft 11 is first fixed on to the lowermost end of electric pole when installing ladder, remaining
Ladder is got up by connecting shaft 11 and the cooperation overlap joint of connecting hole 10, while fixed ladder on utility poles by snap ring 50,
Lifting wheel 82 is driven to rotate by the rotation of motor 84 when needing and lifting the height of casing 6, so as to lift casing 6
Highly, when needing to reduce the height of casing, alignment pin 801 need to only be skidded off out of positioning hole 802, now casing 6 is by certainly
The gravity of body and decline, during decline workman can by control locating piece 80 rotate speed, to control casing 6 to decline
Speed, alignment pin 801 is slipped into positioning hole 802 after casing 6 drops to correct position.
Claims (6)
1. a kind of electric power overhaul multistage climbing ladder, including ladder and casing, it is characterised in that：The ladder is parallel including two
Support arm, and the horizontal stroke ladder being vertically set between the support arm is provided with connecting hole, bottom is set on the top of the support arm
There is the connecting shaft that can be socketed with the connecting hole, being provided with the support arm can fix the ladder on utility poles vertically
Fixing device, support slipper is provided with the axial direction of the support arm, provided with can be with the support slipper in the casing
The support chute of cooperation, the wherein side outside the casing, which is provided with, to be used to drive what casing was moved up and down on the support arm
Lowering or hoisting gear, brace is provided with casing opposite side therein.
2. electric power overhaul according to claim 1 multistage climbing ladder, it is characterised in that：The fixing device includes fixing
Bar and snap fastener, the bottom of a support arm and the top of another support arm are hinged with the fixation wherein
Bar, the snap fastener is fixedly installed in the fix bar, fixture block is provided with the fix bar end, on the support arm
Provided with the neck that can coordinate with the fixture block.
3. electric power overhaul according to claim 2 multistage climbing ladder, it is characterised in that：The snap fastener is by two
Semicircular snap ring, which is hinged, to be formed, and the end of a snap ring is connected with fastening screw by jointed shaft wherein, described
Fastening screw is provided with clamp nut, is provided with limited block in the fastening screw end, the snap ring end described in another is set
There is fastening notch.
4. electric power overhaul according to claim 1 multistage climbing ladder, it is characterised in that：The lowering or hoisting gear includes power
Drive mechanism and sliding equipment, the sliding equipment are the lifting chute being arranged on the support slipper, and can be with the liter
The lifting slider that chute coordinates is dropped, and the lifting slider is connected by connecting plate with the casing.
5. electric power overhaul according to claim 4 multistage climbing ladder, it is characterised in that：The power-driven mechanism be by
Motor and worm screw composition in lifting slider, the motor are connected with switch, the power of the motor
Output end is connected with the worm screw, provided with some sections of worm threads on the worm screw, is equipped with the worm thread both sides
Worm gear, is provided with drive with one heart on the worm gear, rack is provided with the lifting chute both sides, in the lifting slider both sides
Provided with the lifting wheel that can coordinate with the rack, the lifting wheel in the same side is engaged with drive, set on the worm screw top
There is locating piece, locating groove is provided with the locating piece, alignment pin is provided with the locating groove, in the lifting slider
Top is provided with some positioning holes that can be with the detent fit.
6. the electric power overhaul multistage climbing ladder according to claim 1-5 wherein any one, it is characterised in that：The case
Body is divided into rest area and Storage, and the support chute is located in the rest area, and some hooks are provided with the Storage,
Pull bar is provided with the casing side, universal wheel is provided with the bottom half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510687149.6A CN105350901B (en) | 2015-10-22 | 2015-10-22 | A kind of electric power overhaul multistage climbing ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510687149.6A CN105350901B (en) | 2015-10-22 | 2015-10-22 | A kind of electric power overhaul multistage climbing ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105350901A CN105350901A (en) | 2016-02-24 |
| CN105350901B true CN105350901B (en) | 2017-07-28 |
Family
ID=55326947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510687149.6A Expired - Fee Related CN105350901B (en) | 2015-10-22 | 2015-10-22 | A kind of electric power overhaul multistage climbing ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105350901B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735888A (en) * | 2016-03-15 | 2016-07-06 | 万庆昆 | Ladder for electrician |
| CN109353973B (en) * | 2018-11-29 | 2020-04-14 | 国网山东省电力公司东营供电公司 | Electric power overhauls stabilizes elevating gear |
| CN111101847B (en) * | 2019-12-19 | 2021-09-28 | 常德市鼎城永欣机械制造有限公司 | Tower crane climbing frame |
| CN111425131B (en) * | 2020-04-02 | 2021-07-30 | 青岛正为能源科技有限公司 | Communication tower safety device |
| CN113443251B (en) * | 2021-08-30 | 2021-11-16 | 湖南兴运物流有限公司 | Carrying tray for logistics cargo transportation and use method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2299980A (en) * | 1995-04-18 | 1996-10-23 | Robert Yelbeck | Powered Ladder |
| US6533070B1 (en) * | 2001-12-04 | 2003-03-18 | Richard L. Elrod | Roof buddy |
| KR101125513B1 (en) * | 2009-10-21 | 2012-03-23 | 박성래 | Tap box for ladder vehicle |
| CN102213072B (en) * | 2010-04-11 | 2012-10-10 | 河南农业大学 | Rescue and escape ladder |
| CN204663375U (en) * | 2015-06-05 | 2015-09-23 | 天津市万航金属制品有限公司 | For the combination staircase of road roller |
| CN104948100A (en) * | 2015-07-09 | 2015-09-30 | 国家电网公司 | Electric power pylon detection system |
-
2015
- 2015-10-22 CN CN201510687149.6A patent/CN105350901B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105350901A (en) | 2016-02-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 276600 Junan county power supply company, No. 16 Tianqiao Road, Junan County, Shandong, Linyi Applicant after: JU'NAN POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER COMPANY Applicant after: State Grid Corporation of China Address before: 276600 Junan county power supply company, No. 16 Tianqiao Road, Junan County, Shandong, Linyi Applicant before: STATE GRID SHANDONG JUNAN COUNTY POWER SUPPLY COMPANY Applicant before: State Grid Corporation of China |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20171022 |