CN207200138U - Hydraulic type multiple cable lifts conveying device - Google Patents
Hydraulic type multiple cable lifts conveying device Download PDFInfo
- Publication number
- CN207200138U CN207200138U CN201720525912.XU CN201720525912U CN207200138U CN 207200138 U CN207200138 U CN 207200138U CN 201720525912 U CN201720525912 U CN 201720525912U CN 207200138 U CN207200138 U CN 207200138U
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- cable
- friction wheel
- fixed support
- conveying device
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Abstract
Hydraulic type multiple cable of the present utility model lifts conveying device, can roll up the cable drum for depositing cable on fixed support base by support frame installation, hoisting mechanism, hoisting mechanism front end connecting cable conveying mechanism are installed at the top of fixed support；The flexible branch of hoisting mechanism, which hangs cantilever and the spin friction wheel construction of cable transfer mechanism, can quickly convey shore connection cable to ship, shift change device can adapt to one or more cable lifting demand, the identical tension structure of cable drum can make cable be in dynamic balance state, extend the service life of cable；Both adapted to by the travel mechanism of fixed support bottom surface outdoor fixedly mounted, and can also make movable type, scene is withdrawn conveniently, adapts to varying environment use demand；Can rain-proof wind resistance, operation do not influenceed by weather and weather, and operating efficiency is high, labor intensity is low, protection cable effect is good, is easy to safeguard, time saving and energy saving, will not damage cable, safety coefficient is high, easy to operate.
Description
Technical field
It the utility model is related to a kind of hydraulic type multiple cable lifting conveying device.
Background technology
Marine generator produces and huge environmental pollution is caused to harbour after ship landing pier, need to use land power supply instead to subtract
Few environmental pollution to harbour, land power supply need to be dispensed into ship unit by cable, and traditional shore connection cable typically passes through manpower
Or crane is delivered on ship, because cable unit length is than great, particularly electric cable with large cross-section is not flexible, takes during pipage
Power, construction laying is more difficult needing at parallel, perpendicular corners, and cable is also easily damaged, and potential safety hazard easily be present, and reducing cable makes
Use the life-span.
The content of the invention
Technical problem to be solved in the utility model, which is to provide one kind, can quickly convey shore connection cable to ship,
Cable will not be damaged, safety coefficient is high, easy to operate hydraulic type multiple cable lifting conveying device.
Hydraulic type multiple cable of the present utility model lifts conveying device, includes the fixed support of fixed support cable hank, and
The hoisting mechanism of cable can be lifted, and is capable of the cable transfer mechanism of handling cable, it is characterised in that：The fixed support
The cable drum for depositing cable can be rolled up on base by support frame installation, hoisting mechanism, hoisting mechanism are installed at the top of fixed support
Front end connecting cable conveying mechanism；
Include brush, electric slip ring inside the cable drum, it is sliding by brush, electricity that coil of cable coils the cable one end deposited
Ring is connected with cable branch box, and the other end rises to cable transfer mechanism along hoisting mechanism, and is conveyed by cable transfer mechanism
To ship equipment grafting；
The hoisting mechanism includes hanging cantilever with angle of inclination, the branch that can be stretched, and branch is hung cantilevered trailing end and is connected to admittedly
At the top of fixed rack, branch hangs cantilever front end connecting cable conveying mechanism；Branch, which is hung, is provided with cable carrying roller between cantilever and fixed support
Frame, coil of cable are coiled the cable deposited and are routed to around cable carrier roller frame on support cantilever, and be routed to along support cantilever prop up hang it is outstanding
The cable transfer mechanism of arm front end；
The cable transfer mechanism includes installation frame, and spin friction wheel is provided with by bearing inside installation frame, pacifies
Frame up the reductor for being provided with the outside of frame and spin friction wheel being driven to rotate；Being provided with above spin friction wheel can be by cable
The pressing friction wheel being pressed on spin friction wheel, pressing friction wheel top, which is connected with, can vertically promote pressing friction
Mobile electric pushrod is taken turns, spin friction wheel, pressing friction wheel surface are peripherally disposed the groove that can dispose cable；
The branch, which is hung, is provided with the cable that can prevent cable displacement supporting leading truck on cantilever；
The branch hangs cantilever and is connected with driving hydraulic jack；Hydraulic jack is luffing hydraulic jack
Multiple cable drums have been arranged side by side on the fixed support, has been provided with to set on fixed support front panel and carries
The gear mechanism of number of cables is risen, gear mechanism is connected by roller chain coupling with multiple cable drums；Cable transfer mechanism
Multigroup spin friction wheel, pressing friction wheel, spin friction wheel, the quantity of pressing friction wheel, position and coil of cable has been arranged side by side
Disk quantity, position are corresponding；
The external tooth rotating disk of fixed support rotation adjustment direction, external tooth can be driven by being provided with below the fixed support base
Placement fuel tank and hydraulic motor on the outside of rotating disk；
The cable drum has identical tension structure, and it is identical tension knot that fixed support base top rear side, which is provided with reductor,
Structure provides power；
The cable carrier roller frame biside plate is distributed for the fan-shaped cable carrying roller for causing support cable along fan-shaped excircle；
The fixed support bottom surface is provided with the travel mechanism for being capable of moving fixing support；
The cable drum, the reductor of spin friction wheel configure waterproof variable-frequency motor.
Hydraulic type multiple cable of the present utility model lifts conveying device, can by the high current of more different models, big cut
Face cable lifting is transported to the specified location of dock vessels, and quick plug is opened after connecting and switchs i.e. chargeable, whole operation mistake
Journey is convenient and swift, safe and reliable；The height that the identical tension structure of cable drum can unload according to tidal fluctuations and shipful
The eustasy of change in location and job platform, realizes cable automatic drawing, cable is in dynamic balance state, extends
The service life of cable；The cable that more different models can be conveyed simultaneously by shift change device is gone on board, and also can arbitrarily select it
In a cable transfer go on board, to meet the different demands of ship；Open air is both adapted to by the travel mechanism of fixed support bottom surface
It is fixedly mounted, movable type can be also made, scene is withdrawn conveniently, adapts to varying environment use demand；Can rain-proof wind resistance, behaviour
Work is not influenceed by weather and weather, and operating efficiency is high, labor intensity is low, protection cable effect is good, is easy to safeguard, time saving province
Power, shore connection cable can be quickly conveyed to ship, will not damage cable, safety coefficient is high, easy to operate.
Brief description of the drawings
Fig. 1 is the hydraulic type multiple cable lifting conveying device planar structure schematic diagram of the utility model embodiment；
Fig. 2 is Fig. 1 left view；
Fig. 3 is Fig. 1 top view；
Fig. 4 is the hydraulic type multiple cable lifting conveying device dimensional structure diagram of the utility model embodiment；
Fig. 5 is the cable drum planar structure signal of the utility model embodiment hydraulic type multiple cable lifting conveying device
Figure；
Fig. 6 is Fig. 5 left view；
Fig. 7 is Fig. 5 top view；
Fig. 8 is the cable drum stereochemical structure signal of the utility model embodiment hydraulic type multiple cable lifting conveying device
Figure；
Fig. 9 is that the cable transfer mechanism planar structure of the utility model embodiment hydraulic type multiple cable lifting conveying device is shown
It is intended to；
Figure 10 is Fig. 9 left view；
Figure 11 is Fig. 9 top view；
Figure 12 is Fig. 9 A-A section zoomed-in views；
Figure 13 is Fig. 9 B-B section zoomed-in views；
Figure 14 is the cable transfer mechanism stereochemical structure of the utility model embodiment hydraulic type multiple cable lifting conveying device
Schematic diagram；
Figure 15 is the cable supporting leading truck planar junction of the utility model embodiment hydraulic type multiple cable lifting conveying device
Structure schematic diagram.
Embodiment
As illustrated, a kind of hydraulic type multiple cable lifting conveying device, includes the fixed fixed support 1 for supporting cable hank,
With the hoisting mechanism 8 that can lift cable, and it is capable of the cable transfer mechanism 6 of handling cable 4, passes through on fixed support base
Support frame installation can roll up the cable drum 10 for depositing cable, and the top of fixed support 1 installation hoisting mechanism, the front end of hoisting mechanism 8 connects
Meet cable transfer mechanism 6；So that the high current of more different models, electric cable with large cross-section lifting to be transported to the specific bit of dock vessels
Put, unlatching switch is i.e. chargeable after cable quick plug 7 connects, and whole operation process is convenient and swift, safe and reliable.
Include brush, electric slip ring inside cable drum 10, one end of cable 4 that cable drum volume 10 is deposited passes through brush, electricity
Slip ring is connected with cable branch box, and the other end rises to cable transfer mechanism 6 along hoisting mechanism 8, and passes through cable transfer mechanism 6
It is delivered to ship equipment grafting；Cable is deposited by cable drum, smooth sequential when making twisted and released of the cable by bus cable device, passed through
Cable quick plug 7 is served the required position patched by lifting luffing rotating device, then is realized by electric control system to electricity
The control of cable course of conveying, the flexible of cable transfer equipment, luffing, rotation and conveying are realized, ensure that cable is reliably powered, realize
Bank electricity and ship equipment power Transmission.
Hoisting mechanism 6 includes hanging cantilever with angle of inclination, the branch that can be stretched, and branch hangs cantilevered trailing end and is connected to fixed branch
The top of frame 1, branch hang cantilever front end connecting cable conveying mechanism 6；Branch, which is hung, is provided with cable carrier roller frame between cantilever and fixed support 1
3, the cable 4 that cable drum volume 10 is deposited is routed on support cantilever around cable carrier roller frame 3, and is routed to branch along support cantilever and is hung
The cable transfer mechanism 6 of cantilever front end；Branch hangs cantilever and is connected with driving hydraulic jack 9；Hydraulic jack 9 is luffing hydraulic jack,
Hydraulic oil enters telescopic hydraulic jack, telescopic hydraulic cylinder action, changes the length that branch hangs cantilever, reaches required position,
Can be according to not shipmate type unrestricted choice collapsing length, branch, which hangs cantilever, can customize more piece as needed；In order that shore connection cable is to ship
Body is close, and can not be extended too much to hull, otherwise can influence ship and pull in shore, hydraulic jack possesses luffing function, and hydraulic oil enters
Enter luffing hydraulic jack, change the inclination angle that branch hangs cantilever, reach required position.
Cable transfer mechanism 6 includes installation frame 64, and spin friction wheel 62 is provided with by bearing inside installation frame 64,
The outside of installation frame 64 is provided with the reductor 61 that spin friction wheel can be driven to rotate；The top of spin friction wheel 62 is provided with energy
Enough pressing friction wheels 63 being pressed on cable 4 on spin friction wheel 62, the top of pressing friction wheel 63 is connected with can be along vertical
Direction promotes the electric pushrod 65 of the movement of pressing friction wheel 63, sets promising electric pushrod 65 to provide on the inside of the top plate of installation frame 64
The motor of power；The side plate interior sides of installation frame 64 set the guide groove of the promising offer of pressing friction wheel 63 mobile guide；Rotary friction
Wipe wheel 62, the surface of pressing friction wheel 63 is peripherally disposed the groove that can dispose cable；When cable transfer mechanism reaches
After predeterminated position, now cable extension elongation may not be enough, to ensure that quick plug normally connects, follow-up setting handling cable
Cable transfer mechanism 6, motor reducer 61 drive spin friction wheel 62 to rotate by rotating shaft, and electric pushrod 65 drives pressing friction
The up and down motion of 63 straight lines is taken turns, when passing the cable through gap between spin friction wheel 62, pressing friction wheel 63, spin friction wheel 62,
Clamping force can adjust between pressing friction wheel 63.
Branch, which is hung, is provided with the cable that can prevent the displacement of cable 4 supporting leading truck 5 on cantilever；Cable supporting leading truck passes through
Clamping plate clamps two and coordinates the rollers for pinching cable, smooth sequential when making twisted and released of the cable, will not produce displacement, cable transfer is steady
Reliably.
Multiple cable drums 10 have been arranged side by side on fixed support 1, has been provided with to set on the front panel of fixed support 1 and carries
The gear mechanism 13 of number of cables is risen, gear mechanism 13 is connected by roller chain coupling with multiple cable drums 10；Cable is defeated
Send mechanism 6 that multigroup spin friction wheel 62, pressing friction wheel 63, spin friction wheel 62, the number of pressing friction wheel 63 has been arranged side by side
Amount, position are corresponding with the quantity of cable drum 10, position；Can be simultaneously by the high current of more different models, electric cable with large cross-section
Lifting is transported to the specified location on dock vessels, also can arbitrarily select a wherein cable transfer to go on board, meet ship not
Same demand；Frequency conversion type motor via reducer drives cable drum, and multiple volumes are realized by the gear mechanism of roller chain coupling
Disk is rotated or rotated respectively simultaneously, cable is controlled respectively.
The external tooth rotating disk 12 that fixed support 1 can be driven to rotate adjustment direction, external tooth are provided with below the base of fixed support 1
The outside of rotating disk 12 placement fuel tank and hydraulic motor 11；Due to the uncertainty of ship stop position, the present apparatus possesses regulation itself
With the ability of hull relative position, therefore the present apparatus possesses spinfunction；Hydraulic oil enters hydraulic motor, driving external tooth rotating disk 12
Big little gear engagement makes fixed support 1 drive branch to hang suspending arm rotary, to ensure the accurate conveying of shore connection cable.
Cable drum 10 has identical tension structure, and it is identical tension knot that the base of fixed support 1 top rear side, which is provided with reductor 2,
Structure provides power；Can according to the height and position change and the eustasy of job platform that tidal fluctuations and shipful unload,
Cable automatic drawing is realized, cable is in dynamic balance state, the strength of drawing is big can be too unnecessary with handling cable, cable
, cable can automatically pack up, cable is in dynamic balance state, extend the service life of cable.
The biside plate of cable carrier roller frame 3 is distributed for the fan-shaped cable carrying roller for causing support cable 4 along fan-shaped excircle；Cable support
Roller forms 1/4 circular paved surface, and cable is laid to hoisting mechanism along 1/4 circular paved surface, and cable will not damage, mechanism safety
Reliably.
The bottom surface of fixed support 1 is provided with the travel mechanism for being capable of moving fixing support 1；Both can be outdoor fixedly mounted,
Movable type can be made, scene is withdrawn conveniently, adapts to varying environment.
Cable drum 10, the reductor 2,61 of spin friction wheel 62 configure waterproof variable-frequency motor；Rain-proof wind resistance, operation is not
Influenceed by weather and weather, operating efficiency is high, labor intensity is low, protection cable effect is good, while is easy to safeguard, greatlys save
Manpower, can promote the ship shore electric industry to be turned into the implementation of industry process on cable standard.
The further conveying of cable is realized by the frictional force between spin friction wheel 62, pressing friction wheel 63 and cable,
Spin friction wheel 62, pressing friction wheel 63 can strengthen the anti-skidding of friction wheel surface by increasing material or the structure of frictional force
Anti-wear performance, increasing friction force, while cable is not easy to be crushed, and avoid pullling cable using manpower, large-diameter cable is relative
It is heavier, intensity and the time of manual work can be so greatly reduced, overcomes traditional cable transmission device thrust deficiency, it is special
It is not the shortcomings that cable is easy to skid in inclined place, improves work quality, avoid the potential safety hazard caused by skidding.
Hydraulic type multiple cable of the present utility model lifts conveying device important technological parameters：
（1）Environmental condition
Operating ambient temperature：- 10 DEG C~+55 DEG C
Relative humidity：5%~95%
Antifungi, salt fog resistance
Special section according to local environmental conditions when ordering goods in use, need to illustrate
（2）Input power
Rated voltage：Three-phase and four-line/AC 380V-50Hz/AC440V-60Hz
Rated power：500kW
（3）Windproof grade working condition：Anti- fresh gale
Retracted state：Anti- hurricane
（4）Basic size
Working condition：Length × width × height： 2800*1748*15000
Retracted state：Length × width × height： 2800*1748*5000
（5）Receive cable releasing speed:About 6~8 ms/min, speed is adjustable
（6）Change angle：About 0~80 degree
（7）Maximum lifting height：About 20 meters
（8）Harvesting height：About 5 meters
（9）The anglec of rotation：360 degree
（10）The kind of drive：Hydraulic drive
（11）Device is conducted oneself with dignity：About 7 tons
Hydraulic type multiple cable of the present utility model lifts conveying device, can by the high current of more different models, big cut
Face cable lifting is transported to the specified location of dock vessels, and quick plug is opened after connecting and switchs i.e. chargeable, whole operation mistake
Journey is convenient and swift, safe and reliable；The height that the identical tension structure of cable drum can unload according to tidal fluctuations and shipful
The eustasy of change in location and job platform, realizes cable automatic drawing, cable is in dynamic balance state, extends
The service life of cable；The cable that more different models can be conveyed simultaneously by shift change device is gone on board, and also can arbitrarily select it
In a cable transfer go on board, to meet the different demands of ship；Open air is both adapted to by the travel mechanism of fixed support bottom surface
It is fixedly mounted, movable type can be also made, scene is withdrawn conveniently, adapts to varying environment use demand；Can rain-proof wind resistance, behaviour
Work is not influenceed by weather and weather, and operating efficiency is high, labor intensity is low, protection cable effect is good, is easy to safeguard, time saving province
Power, shore connection cable can be quickly conveyed to ship, will not damage cable, safety coefficient is high, easy to operate.
Cable drum technical parameter：
（1）Cable specification：35~400mm of section2
（2）Cable drum direction of rotation：It is two-way
（3）Cable drum structure：Single screw
（4）Cable drum type of drive：Frequency conversion drive
Cable drum operation principle：Frequency conversion type motor via reducer drives cable drum, and two are realized by gear mechanism
Individual reel is rotated or rotated respectively simultaneously, cable is controlled respectively；Cable drum has manual folding and unfolding cable and automatic constant tension
Control function, according to the eustasy of the damp long ebb or job platform of ship, realize cable automatic drawing.
The motor reducer 61 of cable transfer mechanism drives the rotary motion of spin friction wheel 62 by rotating shaft, and electric pushrod drives
The dynamic, straight line of pressing friction wheel 63 moves up and down so that when cable is by spin friction wheel 62, pressing friction wheel 63, clamping force can
Regulation, while cable is not easy to be crushed, reductor and electric pushrod is respectively configured in two sets of friction pulleys, to realize the control respectively of cable
System.
Claims (9)
1. a kind of hydraulic type multiple cable lifts conveying device, include the fixed support of fixed support cable hank（1）, and can be lifted
The hoisting mechanism of cable（8）, and it is capable of the cable transfer mechanism of handling cable（6）, it is characterised in that：The fixed support
（1）It can be rolled up by support frame installation on base and deposit cable（4）Cable drum（10）, fixed support top installation hoisting mechanism
（8）, hoisting mechanism（8）Front end connecting cable conveying mechanism（6）；
The cable drum（10）Inside includes brush, electric slip ring, cable drum（10）Roll up cable one end for depositing by brush,
Electric slip ring is connected with cable branch box, and the other end is along hoisting mechanism（8）Rise to cable transfer mechanism（6）, and it is defeated by cable
Send mechanism（6）It is delivered to ship equipment grafting；
The hoisting mechanism（8）Including hanging cantilever with angle of inclination, the branch that can be stretched, branch hangs cantilevered trailing end and is connected to fixation
Support（1）Top, branch hang cantilever front end connecting cable conveying mechanism（6）；Branch hangs cantilever and fixed support（1）Between be provided with electricity
Cable carrier roller frame（3）, cable drum（10）Roll up the cable deposited（4）Around cable carrier roller frame（3）It is routed on support cantilever, and along branch
Frame cantilever is routed to the cable transfer mechanism that branch hangs cantilever front end（6）；
The cable transfer mechanism（6）Including installation frame（64）, installation frame（64）Inside is provided with rotary friction by bearing
Wipe wheel（62）, installation frame（64）Outside, which is provided with, can drive spin friction wheel（62）The reductor of rotation（61）；Rotary friction
Wipe wheel（62）Top, which is provided with, can be pressed on cable on spin friction wheel（62）On pressing friction wheel（63）, pressing friction wheel
（63）Top, which is connected with, can vertically promote pressing friction wheel（63）Mobile electric pushrod（65）, spin friction wheel
（62）, pressing friction wheel（63）Surface is peripherally disposed to be had and can dispose cable（4）Groove.
2. hydraulic type multiple cable according to claim 1 lifts conveying device, it is characterised in that：The branch is hung and set on cantilever
Being equipped with can prevent the cable of cable displacement from supporting leading truck（5）.
3. hydraulic type multiple cable according to claim 1 lifts conveying device, it is characterised in that：The branch hangs cantilever connection
There is driving hydraulic jack（9）；Hydraulic jack（9）For luffing hydraulic jack.
4. hydraulic type multiple cable according to claim 1 lifts conveying device, it is characterised in that：The fixed support（1）
On multiple cable drums have been arranged side by side（10）, fixed support（1）Lifting number of cables can be set by being provided with front panel
Gear mechanism（13）, gear mechanism（13）Pass through roller chain coupling and multiple cable drums（10）Connection；Cable transfer mechanism
（6）Multigroup spin friction wheel has been arranged side by side（62）, pressing friction wheel（63）, spin friction wheel（62）, pressing friction wheel（63）
Quantity, position and cable drum（10）Quantity, position are corresponding.
5. hydraulic type multiple cable according to claim 1 lifts conveying device, it is characterised in that：The fixed support（1）
Fixed support can be driven by being provided with below base（1）Rotate the external tooth rotating disk of adjustment direction（12）, external tooth rotating disk（12）Outside
Dispose fuel tank and hydraulic motor（11）.
6. hydraulic type multiple cable according to claim 1 lifts conveying device, it is characterised in that：The cable drum（10）
With identical tension structure, fixed support（1）Rear side is provided with reductor above base（2）Power is provided for identical tension structure.
7. hydraulic type multiple cable according to claim 1 lifts conveying device, it is characterised in that：The cable carrier roller frame
（3）Biside plate causes support cable to be fan-shaped（4）Cable carrying roller be distributed along fan-shaped excircle.
8. hydraulic type multiple cable according to claim 1 lifts conveying device, it is characterised in that：The fixed support（1）
Bottom surface is provided with being capable of moving fixing support（1）Travel mechanism.
9. hydraulic type multiple cable according to claim 1 lifts conveying device, it is characterised in that：The cable drum
（10）, spin friction wheel（62）Reductor（2）、（61）Configure waterproof variable-frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720525912.XU CN207200138U (en) | 2017-05-12 | 2017-05-12 | Hydraulic type multiple cable lifts conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720525912.XU CN207200138U (en) | 2017-05-12 | 2017-05-12 | Hydraulic type multiple cable lifts conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207200138U true CN207200138U (en) | 2018-04-06 |
Family
ID=61793377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720525912.XU Withdrawn - After Issue CN207200138U (en) | 2017-05-12 | 2017-05-12 | Hydraulic type multiple cable lifts conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207200138U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301750A (en) * | 2018-10-19 | 2019-02-01 | 国网河南省电力公司新安县供电公司 | Cleaning equipment is charged in a kind of 10KV distribution line corridor |
| CN112061859A (en) * | 2020-08-26 | 2020-12-11 | 广东电网有限责任公司 | Cable paying-off equipment |
| CN112390166A (en) * | 2020-11-07 | 2021-02-23 | 国网山东省电力公司烟台供电公司 | Centrally installed switchgear handcart transfer trolley |
-
2017
- 2017-05-12 CN CN201720525912.XU patent/CN207200138U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301750A (en) * | 2018-10-19 | 2019-02-01 | 国网河南省电力公司新安县供电公司 | Cleaning equipment is charged in a kind of 10KV distribution line corridor |
| CN109301750B (en) * | 2018-10-19 | 2024-01-26 | 国网河南省电力公司新安县供电公司 | 10KV distribution line corridor electrified cleaning equipment |
| CN112061859A (en) * | 2020-08-26 | 2020-12-11 | 广东电网有限责任公司 | Cable paying-off equipment |
| CN112390166A (en) * | 2020-11-07 | 2021-02-23 | 国网山东省电力公司烟台供电公司 | Centrally installed switchgear handcart transfer trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180406 Effective date of abandoning: 20180807 |