CN106786181B - A kind of two-way anti-race line apparatus - Google Patents
A kind of two-way anti-race line apparatus Download PDFInfo
- Publication number
- CN106786181B CN106786181B CN201710156628.4A CN201710156628A CN106786181B CN 106786181 B CN106786181 B CN 106786181B CN 201710156628 A CN201710156628 A CN 201710156628A CN 106786181 B CN106786181 B CN 106786181B
- Authority
- CN
- China
- Prior art keywords
- conducting wire
- mounting bracket
- lockable mechanism
- tachymeter
- sensor
- 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
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 12
- 230000033001 locomotion Effects 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
Abstract
The invention discloses a kind of two-way anti-race line apparatus, including controller, tachymeter, lockable mechanism, mounting bracket, tachymeter, lockable mechanism are mounted on mounting bracket, lockable mechanism is symmetrical arranged two groups along the vertical median plane of mounting bracket, tachymeter can detect whether conducting wire moves, lockable mechanism can be by conducting wire locking, the data receiver port of the data port connection controller of tachymeter, the control port of the instruction output end mouth connection lockable mechanism of controller, when tachymeter detects conducting wire movement, controller controls lockable mechanism by conducting wire locking.The present invention coordinates existing gripper to use, and can be effectively prevented conducting wire and run line, easy to use, can improve working efficiency, increase the safety of construction.
Description
Technical field
The present invention relates to electricity power engineering construction appliance technical field more particularly to a kind of two-way anti-race line apparatus.
Background technology
It needs, first with gripper by conducting wire clamping, to recycle cord holder to leading during transmission line construction, during stringing
Line carries out stringing operation, but existing gripper is commonly encountered that conducting wire slides in gripper, conducting wire drops out in use
The race line phenomenon of gripper once running line in line construction, will make conductive line surfaces generate abrasion, conveying electric energy afterwards
Corona is easily generated in the process, leads to the harm such as waste and the noise of electric energy.On the other hand continuing construction after race line will also be again
Conducting wire is drawn, the waste of man power and material is greatly caused, increases construction period.If conducting wire needs logical in distraction procedure
The online side of insulation is crossed, at this time once traction rope fracture accident occurs, towing plate, may when hitting insulation net due to heavier-weight
More than insulation net maximum load capacity, line facility is damaged, short circuit accident is caused, most serious of all it is possible that personnel can be caused
Casualty accident.Particularly in stringing on the circuit for having crossing highway, river, race line such as occur may be to pedestrian, vehicle, ship
It damages.By the study found that running the generation of line phenomenon and construction method, construct Work tool, wire type specification etc. has
Close relationship is several situations often found below：
1st, there is hyper-traction during stringing in conducting wire so that cord holder steel wire rope breaks appearance and runs line；
2nd, the thread jamming part of conducting wire and gripper mismatches, and conducting wire occurs and slides or run line phenomenon；
3rd, conducting wire is not caught in the thread jamming part of gripper by staff completely, occurs running line phenomenon；
4th, the insulating layer of insulated conductor is of poor quality, and the thread jamming part inner insulating layer of gripper runs line after breaking.
The simple artificial pulling conducting wire or end of conducting wire is fixed in electric pole, horizontal denier would generally be taken in reality construction
It is bothersome laborious as the anti-race measure of conducting wire, working efficiency is reduced, and effect is also bad, poor safety performance.
Invention content
The present invention is directed to the deficiency of existing gripper, develops a kind of two-way anti-race line apparatus, which coordinates existing card
Line device uses, and can be effectively prevented conducting wire and run line, easy to use, can improve working efficiency, increase the safety of construction.
The present invention solve technical problem technical solution be：A kind of two-way anti-race line apparatus, including controller, tachymeter,
Lockable mechanism, mounting bracket, tachymeter, lockable mechanism are mounted on mounting bracket, vertical median plane pair of the lockable mechanism along mounting bracket
Claim two groups of setting, tachymeter can detect whether conducting wire moves, and lockable mechanism can be by conducting wire locking, the data port of tachymeter
The data receiver port of controller is connected, the control port of the instruction output end mouth connection lockable mechanism of controller works as tachymeter
When detecting conducting wire movement, controller controls lockable mechanism by conducting wire locking.
As an optimization, the tachymeter includes guide wheel, sensor, and guide wheel is mounted on by shaft on mounting bracket, guide wheel
Wheel face and conductive contact, guide wheel is centered on wheel shaft, circle distribution has multiple sensing holes, and sensor is fixed on mounting bracket, passes
Sensor is corresponding with sensing hole, and the sensor is laser sensor or infrared sensor.
As an optimization, the tachymeter includes guide wheel, sensor, and guide wheel is mounted on by shaft on mounting bracket, guide wheel
Wheel face and conductive contact, guide wheel is centered on wheel shaft, circle distribution has polylith magnet, and sensor is fixed on mounting bracket, sensing
Device is corresponding with magnet, and the sensor is magnetic induction sensor.
As an optimization, the lockable mechanism includes connecting rod a, connecting rod b, upper holder block, lower lock block, guide plate, roller bearing, locking
Device, upper holder block, guide plate are fixed on mounting bracket, and guide groove is provided on guide plate；Lower lock block one end is hinged, another with connecting rod a
One end is provided with shaft, and bearing is installed in shaft, and bearing is corresponding with the guide groove set on guide plate；Conducting wire is from upper holder block under
Gap between briquetting passes through；Connecting rod a one end is hinged with mounting bracket, the other end and connecting rod b are hinged, the other end connection of connecting rod b
Roller bearing；" ┌ " or " ┐ " shape slot is provided on mounting bracket, roller bearing is arranged in " ┌ " or " ┐ " shape slot, and lock device fixes roller bearing
In the bottom of " ┌ " or " ┐ " shape slot.
As an optimization, the lock device includes a push rod, and push rod is electromagnetism push rod or electric pushrod, and the telescopic rod of push rod is straight
It connects and acts on roller bearing.
As an optimization, the lock device further includes transmission mechanism, and the telescopic rod of push rod acts on roller bearing by transmission mechanism
On.
As an optimization, the transverse groove of described " ┌ " or " ┐ " shape slot is towards remote connecting rod a sides.
As an optimization, the transverse groove of described " ┌ " or " ┐ " shape slot gradually upwarps.
As an optimization, the two-way anti-race line apparatus further includes mast-up, buffer, guide rod, and buffer lower end is with hanging
It shelves hinged, upper end and is provided with suppending hole, mast-up is hinged by roller bearing and connecting rod b, and guide rod is arranged on mast-up and installation
Between frame.
Beneficial effects of the present invention：
1. the present invention coordinates existing gripper to use, conducting wire can be effectively prevented and run line, it is easy to use, it can improve
Working efficiency increases the safety of construction.
2. by the way that lockable mechanism is symmetrical arranged two groups along the vertical median plane of mounting bracket, can realize to two sides of conducting wire
To locking, in actual work, conducting wire is moved to which side, then the lockable mechanism effect of opposite side and by conducting wire locking.
3. the telescopic rod of push rod is acted on by transmission mechanism on roller bearing, push rod is protected, while makes the effect to roller bearing
Power bigger.
4. gradually upwarped by the transverse groove for setting " ┌ " or " ┐ " shape slot so that roller bearing is in the horizontal stroke of " ┌ " or " ┐ " shape slot
Into slot in motion process, the locking power of conducting wire is gradually enhanced.
5. by setting mast-up, buffer, make the device course of work more steady.
Description of the drawings
Fig. 1 is the front view of the first embodiment of the invention.
Fig. 2 is the right view of the first embodiment of the invention.
Fig. 3, Fig. 4 are the overall construction drawing after the first embodiment hidden parts mounting bracket of the invention.
Fig. 5 is the partial enlarged view of Fig. 3 a-quadrants.
Specific embodiment
For a better understanding of the present invention, embodiments of the present invention are explained in detail below in conjunction with the accompanying drawings.
Fig. 1 to Fig. 5 is a kind of embodiment of the present invention, as shown in the figure, a kind of two-way anti-race line apparatus, including controller,
Tachymeter 1, lockable mechanism 2, mounting bracket 4, tachymeter 1, lockable mechanism 2 are mounted on mounting bracket 4, and lockable mechanism 2 is along mounting bracket 4
Vertical median plane be symmetrical arranged two groups, tachymeter 1 can detect whether conducting wire 3 moves, and lockable mechanism 2 can lock conducting wire 3
Only, the data receiver port of the data port connection controller of tachymeter 1, the instruction output end mouth connection lockable mechanism of controller
2 control port, when tachymeter 1 detects that conducting wire 3 moves, controller controls lockable mechanism 2 by 3 locking of conducting wire.Cooperation is existing
Some grippers use, and can be effectively prevented conducting wire and run line, easy to use, can improve working efficiency, increase construction
Safety.By the way that lockable mechanism 2 is symmetrical arranged two groups along the vertical median plane of mounting bracket 4, can realize to 3 two sides of conducting wire
To locking, in actual work, conducting wire 3 is moved to which side, then the lockable mechanism 2 of opposite side acts on and by 3 locking of conducting wire.
The tachymeter 1 includes guide wheel 101, sensor 102, and guide wheel 101 is mounted on by shaft on mounting bracket 4, guide wheel
101 wheel face is contacted with conducting wire 3, and guide wheel 101 is centered on wheel shaft, circle distribution has multiple sensing holes 111, and sensor 102 is solid
It is scheduled on mounting bracket 4, sensor 102 is corresponding with sensing hole 111, and the sensor 102 is laser sensor or infrared sensor.
As shown in Figures 1 to 4, the lockable mechanism 2 includes connecting rod a201, connecting rod b202, upper holder block 203, lower lock block
204th, guide plate 205, roller bearing 206, lock device 207, upper holder block 203, guide plate 205 are fixed on mounting bracket 4, guide plate 205
On be provided with guide groove；204 one end of lower lock block is hinged with connecting rod a201, the other end is provided with shaft, and bearing, axis are installed in shaft
It holds corresponding with the guide groove set on guide plate 205；Gap of the conducting wire 3 between upper holder block 203 and lower lock block 204 passes through；Even
Bar a201 one end is hinged with mounting bracket 4, the other end and connecting rod b202 are hinged, the other end connection roller bearing 206 of connecting rod b202；Installation
" ┌ " or " ┐ " shape slot is provided on frame 4, roller bearing 206 is arranged in " ┌ " or " ┐ " shape slot, and lock device 207 consolidates roller bearing 206
It is scheduled on the bottom of " ┌ " or " ┐ " shape slot.The transverse groove of " ┌ " or " ┐ " shape slot is towards remote connecting rod a201 sides.
The transverse groove of " ┌ " or " ┐ " shape slot gradually upwarps.Transverse groove by setting " ┌ " or " ┐ " shape slot is gradual
It upwarps so that roller bearing 206 in motion process, gradually enhances the locking power of conducting wire 3 in the transverse groove of " ┌ " or " ┐ " shape slot.
The two-way anti-race line apparatus further includes mast-up 5, buffer 6, guide rod 7,6 lower end of buffer and mast-up 5
Hinged, upper end is provided with suppending hole, and mast-up 5 is hinged by roller bearing 206 and connecting rod b202, guide rod 7 be arranged on mast-up 5 and
Between mounting bracket 4.By setting mast-up 5, buffer 6, make the device course of work more steady.
As shown in figure 5, the lock device 207 include a push rod 271, push rod 271 be electromagnetism push rod or electric pushrod, push rod
271 telescopic rod is acted directly on roller bearing 206.The lock device 207 further includes transmission mechanism 272, the telescopic rod of push rod 271
It is acted on roller bearing 206 by transmission mechanism 272.The telescopic rod of push rod is acted on by transmission mechanism on roller bearing, is protected and is pushed away
Bar, while make the active force bigger to roller bearing.
Equipment original state is：Equipment is lifted by the suppending hole of 6 upper end of buffer, and roller bearing 206 is located on mounting bracket 4
" ┌ " or " ┐ " shape slot bottom of setting, and be locked up device 207 and fix, lower lock block 204 is separated with upper holder block 203, and conducting wire 3 is worn
The gap between upper holder block 203 and lower lock block 204 is crossed, conducting wire 3 is contacted with guide wheel 101.
In the course of work, in case of line is run, then the edge between upper holder block 203 and lower lock block 204 of conducting wire 3 is parallel to briquetting side
To movement, tachymeter 1 monitors 101 rotating speed of guide wheel and is sent to controller in real time, when controller detects 101 rotating speed of guide wheel exception
When, order lock device 207 unclamps roller bearing 206, at this time since gravity, conducting wire 3 are to the active force of guide wheel 101,206 edge of roller bearing
Top is moved on " ┌ " or " ┐ " shape slot, upper holder block 203 and lower lock block 204 clamp conducting wire 3 at this time；Conducting wire 3 continues to move to, and leads
The direction movement that roller bearing 206 guiding line, 3 moving directions are identical is caused, and then is entered in the transverse groove of " ┌ " or " ┐ " shape slot, is realized
To the locking of conducting wire 3.
Although above-mentioned be described the specific embodiment of invention with reference to attached drawing, not to the scope of the present invention
Limitation, based on the technical solutions of the present invention, those skilled in the art do not need to make the creative labor and can make
Various modifications or changes still within protection scope of the present invention.
Claims (9)
1. a kind of two-way anti-race line apparatus, it is characterised in that：Including controller, tachymeter (1), lockable mechanism (2), mounting bracket
(4), tachymeter (1), lockable mechanism (2) are on mounting bracket (4), vertical median plane of the lockable mechanism (2) along mounting bracket (4)
Two groups are symmetrical arranged, tachymeter (1) can detect whether conducting wire (3) moves, and lockable mechanism (2) can survey conducting wire (3) locking
The data receiver port of the data port connection controller of fast instrument (1), the instruction output end mouth connection lockable mechanism (2) of controller
Control port, when tachymeter (1) detects that conducting wire (3) is mobile, controller control lockable mechanism (2) is by conducting wire (3) locking.
2. the two-way anti-race line apparatus of one kind according to claim 1, it is characterized in that, the tachymeter (1) is including guide wheel
(101), sensor (102), guide wheel (101) are mounted on by shaft on mounting bracket (4), wheel face and the conducting wire (3) of guide wheel (101)
Contact, guide wheel (101) is centered on wheel shaft, circle distribution has multiple sensing holes (111), and sensor (102) is fixed on mounting bracket
(4) on, sensor (102) is corresponding with sensing hole (111), and the sensor (102) is laser sensor or infrared sensor.
3. the two-way anti-race line apparatus of one kind according to claim 1, it is characterized in that, the tachymeter (1) is including guide wheel
(101), sensor (102), guide wheel (101) are mounted on by shaft on mounting bracket (4), wheel face and the conducting wire (3) of guide wheel (101)
Contact, guide wheel (101) is centered on wheel shaft, circle distribution has polylith magnet, and sensor (102) is fixed on mounting bracket (4), passes
Sensor (102) is corresponding with magnet, and the sensor (102) is magnetic induction sensor.
4. the two-way anti-race line apparatus of one kind according to claim 1, it is characterized in that, the lockable mechanism (2) includes connecting rod a
(201), connecting rod b (202), upper holder block (203), lower lock block (204), guide plate (205), roller bearing (206), lock device (207), on
Briquetting (203), guide plate (205) are fixed on mounting bracket (4), and guide plate is provided with guide groove on (205)；Lower lock block (204)
One end is hinged with connecting rod a (201), the other end is provided with shaft, bearing is installed in shaft, bearing on guide plate (205) with setting
Guide groove correspond to；Gap of the conducting wire (3) between upper holder block (203) and lower lock block (204) passes through；Connecting rod a (201) one end with
Mounting bracket (4) is hinged, the other end and connecting rod b (202) are hinged, the other end connection roller bearing (206) of connecting rod b (202)；Mounting bracket
(4) " ┌ " or " ┐ " shape slot is provided on, roller bearing (206) is arranged in " ┌ " or " ┐ " shape slot, and lock device (207) is by roller bearing
(206) it is fixed on the bottom of " ┌ " or " ┐ " shape slot.
5. the two-way anti-race line apparatus of one kind according to claim 4, it is characterized in that, the lock device (207) pushes away including one
Bar (271), push rod (271) are electromagnetism push rod or electric pushrod, and the telescopic rod of push rod (271) is acted directly on roller bearing (206).
6. the two-way anti-race line apparatus of one kind according to claim 5, it is characterized in that, the lock device (207) further includes biography
Motivation structure (272), the telescopic rod of push rod (271) are acted on by transmission mechanism (272) on roller bearing (206).
7. the two-way anti-race line apparatus of one kind according to claim 4, it is characterized in that, the transverse direction of " ┌ " or " ┐ " shape slot
Slot is towards remote connecting rod a (201) side.
8. the two-way anti-race line apparatus of one kind according to claim 4, it is characterized in that, the transverse direction of " ┌ " or " ┐ " shape slot
Slot gradually upwarps.
9. the two-way anti-race line apparatus of one kind according to claim 4, it is characterized in that, the two-way anti-race line apparatus further includes
Mast-up (5), buffer (6), guide rod (7), buffer (6) lower end is hinged with mast-up (5), upper end is provided with suppending hole,
Mast-up (5) is hinged by roller bearing (206) and connecting rod b (202), guide rod (7) be arranged on mast-up (5) and mounting bracket (4) it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156628.4A CN106786181B (en) | 2017-03-16 | 2017-03-16 | A kind of two-way anti-race line apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156628.4A CN106786181B (en) | 2017-03-16 | 2017-03-16 | A kind of two-way anti-race line apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106786181A CN106786181A (en) | 2017-05-31 |
| CN106786181B true CN106786181B (en) | 2018-06-26 |
Family
ID=58966153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710156628.4A Active CN106786181B (en) | 2017-03-16 | 2017-03-16 | A kind of two-way anti-race line apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106786181B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110854747A (en) * | 2019-10-14 | 2020-02-28 | 国网山东省电力公司潍坊供电公司 | Bidirectional anti-wire-running device and method for tension stringing of power transmission line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877461A (en) * | 2009-04-29 | 2010-11-03 | 国网交流工程建设有限公司 | Extreme high-pressure double-traction walking board |
| CN104362549A (en) * | 2014-11-10 | 2015-02-18 | 国家电网公司 | Wire tightener capable of simultaneously tightening double wires |
| CN205753215U (en) * | 2016-07-08 | 2016-11-30 | 东北石油大学 | A kind of based on computer-controlled well site cable take-up device |
| CN206575088U (en) * | 2017-03-16 | 2017-10-20 | 国家电网公司 | A kind of two-way anti-race line apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100921984B1 (en) * | 2007-11-16 | 2009-10-14 | 서울전력주식회사 | The winding device for the wire collection |
-
2017
- 2017-03-16 CN CN201710156628.4A patent/CN106786181B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877461A (en) * | 2009-04-29 | 2010-11-03 | 国网交流工程建设有限公司 | Extreme high-pressure double-traction walking board |
| CN104362549A (en) * | 2014-11-10 | 2015-02-18 | 国家电网公司 | Wire tightener capable of simultaneously tightening double wires |
| CN205753215U (en) * | 2016-07-08 | 2016-11-30 | 东北石油大学 | A kind of based on computer-controlled well site cable take-up device |
| CN206575088U (en) * | 2017-03-16 | 2017-10-20 | 国家电网公司 | A kind of two-way anti-race line apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106786181A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106786181B (en) | A kind of two-way anti-race line apparatus | |
| CN102394152A (en) | Stranding device | |
| KR20170005297A (en) | Tramline automatic tensioning systems Tension additional upper and lower position sensing system | |
| CN108695767A (en) | A kind of high voltage distribution network cable automatic inspection device | |
| CN202307353U (en) | Wire twisting device | |
| CN206575088U (en) | A kind of two-way anti-race line apparatus | |
| CN106711857B (en) | A kind of unidirectional anti-race line apparatus | |
| CN206865010U (en) | A kind of unidirectional anti-race line apparatus | |
| CN106877241B (en) | A kind of two-way anti-race line protector based on speed control | |
| CN206865022U (en) | A kind of anti-race line protector based on speed control | |
| CN103490187B (en) | A kind of temporary grounding rod with gripping orientation monitoring function | |
| CN204732229U (en) | Alloyed copper silk stranding machine gathering device | |
| CN106848931B (en) | A kind of anti-race line protector based on speed control | |
| CN206865023U (en) | A kind of two-way anti-race line protector based on speed control | |
| CN203833582U (en) | Anti-collision detecting system for arm rest | |
| CN103701070B (en) | Lead wire and earth wire driving | |
| CN205882560U (en) | Special circulation cord rack device of distribution live working earth potential | |
| CN208890236U (en) | Novel conductive wire apparatus for suspension easy to use | |
| CN203068107U (en) | Clamp-proof device of textile machinery | |
| CN208390691U (en) | A kind of damp type power-assist actinobacillus device of copper free wire | |
| CN206971857U (en) | The locking device of the rear boom hoist cable of mechanical stereo garage | |
| CN206734105U (en) | A kind of contact net additive wire slidingtype insulation gap bar device | |
| CN206970042U (en) | Single-beam crane vertical electric cucurbit | |
| CN204958248U (en) | Autoalarm is prevented falling by steel cable | |
| CN213904622U (en) | Device is experienced in safety helmet striking |
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 | ||
| CB02 | Change of applicant information |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: State Grid AC Engineering Construction Company Applicant after: Shandong transmission and Transformation Engineering Co., Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: State Grid AC Engineering Construction Company Applicant before: Shandong Electric Power Transmission & Substation Engineering Company |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |