CN205973684U - Portable insulating operation device of ascending a height of distribution lines - Google Patents
Portable insulating operation device of ascending a height of distribution lines Download PDFInfo
- Publication number
- CN205973684U CN205973684U CN201620894000.5U CN201620894000U CN205973684U CN 205973684 U CN205973684 U CN 205973684U CN 201620894000 U CN201620894000 U CN 201620894000U CN 205973684 U CN205973684 U CN 205973684U
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- Prior art keywords
- bar
- frame
- gear
- crane
- guide rail
- Prior art date
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- Withdrawn - After Issue
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- 230000001174 ascending effect Effects 0.000 title claims abstract description 25
- 238000009826 distribution Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims description 16
- 239000004020 conductor Substances 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 210000004534 cecum Anatomy 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims description 2
- 210000003141 lower extremity Anatomy 0.000 claims 1
- 230000003028 elevating effect Effects 0.000 abstract description 6
- 239000000758 substrate Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model discloses a portable insulating operation device of ascending a height of distribution lines, include the motion chassis and set up elevating gear and the telescopic leg on it, elevating gear's top is equipped with the operation fill, the motion chassis includes crawler -type running gear and is fixed in the support frame on it, the both sides of support frame all are equipped with the translation subassembly of control telescopic leg motion, the translation subassembly includes the guide rail, the reverse wheel, the power supply, drive mechanism and slide bar, the one end of slide bar links to each other with the guide rail, the other end links to each other with telescopic leg, power supply and drive mechanism are located the slide bar outside, the reverse wheel is located the slide bar inboard, elevating gear is including basis frame and from outer to interior a plurality of grades of cranes that cup joint in proper order in the frame of basis, traction assembly and control elevating gear that the bottom of basis frame is equipped with control crane liters at different levels, fall the motion upright or the level set up the power device on crawler -type running gear, the crane fastens with the locating pin after going up and down to target in place, the operation is fought including insulating substrate and side fence.
Description
Technical field
This utility model is related to a kind of ascending operation apparatus for distribution line, and more particularly, to a kind of distribution line moves
Formula insulation ascending operation apparatus.
Background technology
Develop rapidly with rural economy and the increasing year by year of resident's household electrical appliance, " one draws a line, and one stops for power grid enterprises
A sheet of " maintenance way can not meet rural electricity consumption demand, livewire work starts progressively to extend to agriculture distribution.And agriculture distribution
Shaft tower is fragile, and during conventional bypass operation, bypass operation personnel need to stand on the insulated platform being installed on shaft tower
, there is the risk of falling bar in operation process in operation.The safety of operating personnel cannot be guaranteed, and working performance is low, is unfavorable for electricity
The development of net.
Simultaneously again due to during work high above the ground operating personnel away from ground, necessary at the stability of crane and job platform
Protective measure extremely important for job safety.Further, since the restriction of transport, the use region of existing crane is limited,
Mostly it is suitable only for the place of Land leveling, be not suitable for the complicated working environment of agriculture distribution distribution line.
In order to solve the above problems, people have developed aerial lift device with insulated arm, although aerial lift device with insulated arm is also a kind of good
High-altitude operations tool, but, aerial lift device with insulated arm expensive, be not easy to promote on a large scale it is impossible to be widely used in each agriculture
Distribution distribution line.
Utility model content
The purpose of this utility model is to provide a kind of applied widely, reliable simultaneously cheap joining of security performance
Electric line mobile insulation ascending operation apparatus and method.
The utility model discloses a kind of distribution line mobile insulation ascending operation apparatus, including motion chassis and set
Lowering or hoisting gear placed on it and telescopic outrigger, the top of lowering or hoisting gear is provided with operation bucket, and described motion chassis includes crawler type
Walking mechanism and the bracing frame being fixed thereon, the both sides of bracing frame are equipped with the translation group controlling described telescopic outrigger motion
Part, translation assembly include guide rail, reverse wheel, power source, drive mechanism and can along the reciprocating slide bar of guide rail, the one of slide bar
End is connected with guide rail, the other end is connected with telescopic outrigger, and power source and drive mechanism are located at the outside of slide bar, reverse wheel positioned at cunning
The inner side of bar, control slide bar stretches out bevel between direction and guide rail；
Described lowering or hoisting gear includes foundation frame and is socketed on some class B insulation performances in foundation frame from outside to inside successively
Good crane, the bottom of foundation frame is provided with the traction component controlling crane ascending, descending campaigns at different levels and controls lowering or hoisting gear
Upright or be horizontally placed on power set on crawler type walking mechanism, pass through alignment pin after lifting puts in place between cranes at different levels
Fastening；
Described operation bucket includes being installed on the insulating base on lifting frame body top and is removably connected to insulating base
On gusset hurdle.
Preferably, described power source is reducing motor, the output shaft of reducing motor is provided with output gear；Described transmission
Mechanism includes gear shaft and tooth bar, and one end of gear shaft is provided with and is matched with the helical gear of output gear, the other end is to be matched with tooth
The spur gear of bar；Described guide rail is provided with the U-rail of rib for opening；Described slide bar is rectangular structure, its length direction
One end be provided be matched with the pulley of guide rail, the other end is provided with telescopic outrigger connecting seat, tooth bar is along the length direction setting of slide bar
Thereon；Guide rail is fixed on the outside of support frame as described above length direction with its cecum, and slide bar is connected on guide rail by pulley, leads to
Cross telescopic outrigger connecting seat to be connected with telescopic outrigger, reducing motor, gear shaft and reverse wheel are located at same one end end of guide rail, tooth
Spur gear on wheel shaft and described reverse wheel are respectively positioned at the both sides of slide bar；Reducing motor output powered belt movable gear shaft rotation,
Move along the tangential direction of reverse wheel with moving slide-bar.
Preferably, described translation assembly has four groups, it is symmetricly set in the both sides of support frame as described above length direction two-by-two, with
The translation assembly of side goes to upper and lower arrangement.
Preferably, the bottom of described lowering or hoisting gear is provided with roller, the top of support frame as described above is provided with corresponding slide rail, sliding
The end of rail is provided with limited block, and lowering or hoisting gear coordinates slide rail to be connected on bracing frame by roller.
Preferably, described power set are connected to inclusion support bar on bracing frame, drawstring, elevator and elevator motor,
Elevator and elevator motor have two groups, are arranged on the median plane of described foundation frame width, and the two ends of drawstring are around in volume respectively
Yang Shang, the geometric center of the middle part of drawstring and foundation frame bottom surface is fixed, and one end of support bar is articulated with described crawler-type traveling machine
On structure, the other end be connected on foundation frame, elevator motor drives elevator rotation, and drawstring pulls foundation frame to move along described slide rail and join
Close support bar and complete the upright switching and horizontality between of described lowering or hoisting gear.
Preferably, described traction component includes pull rope, pulley, reel and traction electric machine, the output shaft of traction electric machine
Be connected as a single entity with reel, traction electric machine drive spool turns control pull rope along the pulley motion described crane of traction rise or under
Fall.
Preferably, described foundation frame and crane are the rectangle frame that longitudinal and transverse bar is spliced, crane is using insulation
Material is made, and the bottom surface of foundation frame is provided with rectangular installing plate；In order to improve stability further, on the top of cranes at different levels
Portion corner is all connected with lateral conductor by fixing head, and the other end of lateral conductor respectively can with the described telescopic outrigger of relative position
Dismounting connects；Described pulley is fixed with the cross bar of basic top of the trellis, the top of each crane, bottom bar are respectively and fixedly provided with institute
State pulley, one end of pull rope is fixed on described reel, the other end is connected to inner side crane after bypassing each pulley successively
On the cross bar at middle part.
In order to improve the reliability of elevating movement, described pull rope, pulley and reel all there are two groups, two reels are coaxial
It is arranged in described installing plate width center to centrage, two winding drum is connected with the output shaft of described traction electric machine respectively, two
Group pull rope is arranged symmetrically with regard to described crane width median plane.
For the ease of the realization of elevating movement, reduce frictional force, be equipped with the end of described cross bar and be easy to inner side lifting
The nylon wheel of frame ascending, descending campaign；The turnover of operating personnel for convenience, leaves operating personnel on the wall of described foundation frame side and enters
Mouthful；In order to reduce the inhomogeneities of crane stress, reduce accident risk, foundation frame is adopted the longitudinal and transverse of aluminum alloy material
Bar is spliced, and described crane is spliced using the longitudinal and transverse bar of fiberglass, modified PVC material.
This utility model by by walking mechanism be set to crawler type walking mechanism make it preferably to be applied to various multiple
Miscellaneous working environment；Operation height be increased by the setting of translation assembly and telescopic outrigger, improve job stabilization, prevent
Ascend a height and lateral deviation occurs in operation process, improve security performance；By lowering or hoisting gear is set to foundation frame, crane, draw groups
Part and power set, while satisfaction ascends a height job requirements, improve safety guarantee and also reduce cost of manufacture；By power
The setting of device, enables lowering or hoisting gear to lie low in transport and is placed on crawler type walking mechanism, be readily transported, can be upright during operation
On crawler type walking mechanism, it is easy to operation；By operation bucket is set to the assembly of insulating base and gusset hurdle it is ensured that making
Industry avoids safely improve the convenience of demolition, installation while falling object from high altitude.
Brief description
Fig. 1 is the schematic perspective view of one preferred embodiment of this utility model.（Lateral conductor is not drawn into）.
Fig. 2 is the three-dimensional enlarged diagram of Fig. 1 power set and traction component.
Diagram sequence number：
1 motion chassis, 2 lowering or hoisting gears, 3 operation buckets, 11 crawler type walking mechanisms, 12 telescopic outriggers,
13 translation assemblies, 14 bracing frames, 15 slide rails, 16 limited blocks, 131 guide rails, 132 slide bars, 133 deceleration electricity
Machine, 134 gear shafts, 135 reverse wheels, 136 pulleys, 137 telescopic outrigger connecting seats, 138 tooth bars, 21 rollers,
22 foundation frames, 23 cranes, 24 traction components, 25 power set, 26 nylon wheels, 241 pull ropes, 242
Pulley, 243 reels, 244 traction electric machines, 251 support bars, 252 drawstrings, 253 elevators, 254 elevator motors.
Specific embodiment
As shown in Figure 1 and Figure 2, this distribution line mobile insulation ascending operation apparatus disclosed in the present embodiment, including fortune
Dynamic chassis 1 and the lowering or hoisting gear 2 being arranged on, the top of lowering or hoisting gear 2 is provided with operation bucket 3.Wherein motion chassis 1 includes carrying out
Belt walking mechanism 11, bracing frame 14, telescopic outrigger 12 and the translation assembly 13 controlling telescopic outrigger 12 motion, translation assembly 13
There are four groups, be symmetricly set in the both sides of crawler type walking mechanism 11 length direction two-by-two, the translation assembly 13 of homonymy goes to upper and lower cloth
Put；The bottom of lowering or hoisting gear 2 is provided with roller 21, and the top of bracing frame 14 is provided with corresponding slide rail 15, and the end of slide rail 15 is provided with
Limited block 16, lowering or hoisting gear 2 coordinates slide rail 15 to be connected on crawler type walking mechanism 11 by roller 21.
Translation assembly 13 includes guide rail 131, slide bar 132, reducing motor 133, gear shaft 134 and reverse wheel 135；Guide rail
131 are provided with the U-rail of rib for opening；The output shaft of reducing motor 133 is provided with output gear, and the one of gear shaft 134
End is provided with and is matched with the helical gear 1341 of output gear 136, the other end is spur gear 1342；Slide bar 132 is rectangular structure, its
One end of length direction is provided with and is matched with the pulley 136 of guide rail 131, the other end is provided with telescopic outrigger connecting seat 137, slide bar 132
Outside is provided with the tooth bar 138 being matched with spur gear 1342 along its length；Guide rail 131 is fixed on crawler-type traveling machine with its cecum
The outside of structure 11 length direction, slide bar 132 is connected on guide rail 131 by pulley 137, reducing motor 133, gear shaft 134 and
Reverse wheel 135 is located at same one end end of guide rail 131, and the spur gear 1342 on gear shaft 134 and reverse wheel 135 are located at respectively and slide
The both sides of bar 132；Reducing motor 133 output powered belt movable gear shaft 134 rotate, with moving slide-bar 132 along reverse wheel 135 tangent line
Move in direction.
Lowering or hoisting gear 2 includes foundation frame 22 and is socketed on some grades of cranes in foundation frame 22 from outside to inside successively
23, foundation frame 22 and crane 23 are the rectangle frame that longitudinal and transverse bar is spliced, and the end of cross bar is equipped with for reducing friction
Power is provided with rectangular installing plate in order to the nylon wheel 26 of inner side crane 23 ascending, descending campaign, the bottom surface of foundation frame 22.Install
Plate is provided with the traction component 24 controlling crane 23 at different levels ascending, descending campaign, and the bottom of foundation frame 22 controls lowering or hoisting gear 2 upright
Or it is horizontally placed on power set 25 on crawler type walking mechanism 11, by positioning after lifting puts in place between cranes 23 at different levels
Lock solid.
Traction component 24 includes pull rope 241, pulley 242, reel 243 and traction electric machine 244, the horizontal stroke at foundation frame 22 top
Pulley 242 is fixed with bar, the top of each crane 23, bottom bar are respectively and fixedly provided with pulley 242, one end of pull rope 241
It is fixed on reel 243, the other end is connected to after bypassing each pulley 242 successively on the cross bar at inner side crane 23 middle part, leads
Draw the output shaft of motor 244 and reel 243 is connected as a single entity, traction electric machine 244 band movable reel 243 rotates and controls pull rope 241 edge
Pulley 242 motion traction crane 23 rises or falls；Pull rope 241, pulley 242 and reel 243 all have two groups, two reels
243 common longitudinal center lines are arranged in installing plate width center, the two winding drum 243 output shaft phase with traction electric machine 244 respectively
Even, two groups of pull ropes 221 are arranged symmetrically with regard to crane 23 width median plane.
Power set 25 include support bar 251,252, two elevators 253 of drawstring and two elevator motors 254, elevator 253
On the median plane that elevator motor 254 is all arranged in foundation frame 22 width, the two ends of drawstring 252 are around in different volumes respectively
Raise on 253, the middle part of drawstring 252 is connected with the geometric center of foundation frame 22 bottom surface, one end of support bar 251 is articulated with crawler type
In walking mechanism 11, the other end be connected on foundation frame 22, elevator motor 254 drive elevator 253 rotate, drawstring 252 pull base
Plinth frame 22 moves along slide rail 15 and coordinates support bar 251, roller 21 and slide rail 15 to complete lowering or hoisting gear 2 uprightly and horizontality between
Switching.In addition to being easy to operating personnel to enter internal climbing, foundation frame 22 side wall leaves operating personnel's entrance；For
Reduce the inhomogeneities of crane stress, reduce accident risk, foundation frame 22 adopts the longitudinal and transverse bar splicing of aluminum alloy material
Form, crane 23 is spliced using the longitudinal and transverse bar of isolation material.In order to improve stability further, in cranes at different levels
23 top corner is all connected with lateral conductor, the other end telescopic outrigger with corresponding position respectively of lateral conductor by fixing head
12 are detachably connected.
In sum, the present embodiment makes it preferably to be applied to by walking mechanism is set to crawler type walking mechanism
Various complicated working environments, improve job stabilization by the setting of telescopic outrigger, occur in the operation process that prevents from ascending a height
Lateral deviation, improves security performance, is being met by lowering or hoisting gear is set to foundation frame, crane, traction component and power set
While job requirements of ascending a height, improve safety guarantee and also reduce cost of manufacture, by operation bucket is set to insulating base
With the assembly on gusset hurdle it is ensured that improve the convenience of demolition, installation while job safety.
Claims (9)
1. a kind of distribution line mobile insulation ascending operation apparatus, including chassis and the lowering or hoisting gear being arranged on of moving
And telescopic outrigger, the top of lowering or hoisting gear be provided with operation bucket it is characterised in that：Described motion chassis includes crawler type walking mechanism
With the bracing frame being fixed thereon, the both sides of bracing frame are equipped with the translation assembly controlling described telescopic outrigger motion, translation group
Part includes guide rail, reverse wheel, power source, drive mechanism and can be along the reciprocating slide bar of guide rail, one end of slide bar and guide rail
It is connected, the other end is connected with telescopic outrigger, power source and drive mechanism are located at the interior of slide bar positioned at the outside of slide bar, reverse wheel
Side, control slide bar stretches out bevel between direction and guide rail；
Some class B insulation performances that described lowering or hoisting gear includes foundation frame and is socketed in foundation frame from outside to inside successively are good
Crane, the bottom of foundation frame is provided with the traction component controlling crane ascending, descending campaigns at different levels and controls lowering or hoisting gear upright
Or it is horizontally placed on power set on crawler type walking mechanism, lifting between cranes at different levels is locked by positioning after putting in place
Gu；
Described operation bucket includes being installed on the insulating base on lifting frame body top and is removably connected on insulating base
Gusset hurdle.
2. distribution line mobile insulation ascending operation apparatus according to claim 1 it is characterised in that：Described power source
For reducing motor, the output shaft of reducing motor is provided with output gear；Described drive mechanism includes gear shaft and tooth bar, gear shaft
One end be provided be matched with the helical gear of output gear, the other end is the spur gear being matched with tooth bar；Described guide rail is opening
It is provided with the U-rail of rib；Described slide bar be rectangular structure, one end of its length direction be provided be matched with guide rail pulley,
The other end is provided with telescopic outrigger connecting seat, and tooth bar is arranged on along the length direction of slide bar；Guide rail is fixed on institute with its cecum
State the outside of bracing frame length direction, slide bar is connected on guide rail by pulley, by telescopic outrigger connecting seat and telescopic outrigger
It is connected, reducing motor, gear shaft and reverse wheel are located at same one end end, the spur gear on gear shaft and the described reverse wheel of guide rail
It is located at the both sides of slide bar respectively；Reducing motor output powered belt movable gear shaft rotation, with moving slide-bar along reverse wheel tangential direction
Motion.
3. distribution line mobile insulation ascending operation apparatus according to claim 2 it is characterised in that：Described translation group
Part has four groups, is symmetricly set in the both sides of support frame as described above length direction two-by-two, and the translation assembly of homonymy goes to upper and lower arrangement.
4. distribution line mobile insulation ascending operation apparatus according to claim 1 it is characterised in that：Described lifting dress
The bottom put is provided with roller, and the top of support frame as described above is provided with corresponding slide rail, and the end of slide rail is provided with limited block, lowering or hoisting gear
Slide rail is coordinated to be connected on bracing frame by roller.
5. distribution line mobile insulation ascending operation apparatus according to claim 4 it is characterised in that：Described power dress
Put the inclusion support bar being connected on bracing frame, drawstring, elevator and elevator motor, elevator and elevator motor have two groups, are arranged in
On the median plane of described foundation frame width, the two ends of drawstring are around on elevator respectively, the middle part of drawstring and foundation frame bottom surface
Geometric center fix, one end of support bar is articulated with described crawler type walking mechanism, the other end is connected on foundation frame, volume
Raise motor and drive elevator rotation, drawstring pull foundation frame to move along described slide rail to complete described lowering or hoisting gear upright for cooperation support bar
Switching and horizontality between.
6. distribution line mobile insulation ascending operation apparatus according to claim 1 it is characterised in that：Described draw groups
Part includes pull rope, pulley, reel and traction electric machine, and the output shaft of traction electric machine and reel are connected as a single entity, and traction electric machine drives
Spool turns control pull rope to rise or fall along the pulley motion described crane of traction.
7. distribution line mobile insulation ascending operation apparatus according to claim 6 it is characterised in that：Described foundation frame
It is the rectangle frame that longitudinal and transverse bar is spliced with crane, the bottom surface of foundation frame is provided with rectangular installing plate；Cranes at different levels
Top corner all lateral conductor is connected with by fixing head, the other end described flexible with relative position respectively of lateral conductor
Lower limb is detachably connected；Described pulley is fixed with the cross bar of basic top of the trellis, all fixing on the top of each crane, bottom bar
There is described pulley, one end of pull rope is fixed on described reel, the other end is connected to inner side and rises after bypassing each pulley successively
On cross bar in the middle part of fall frame.
8. distribution line mobile insulation ascending operation apparatus according to claim 7 it is characterised in that：Described traction
Rope, pulley and reel all have two groups, and two reels are total to longitudinal center line and are arranged in described installing plate width center, two winding drum
It is connected with the output shaft of described traction electric machine respectively, two groups of pull ropes are with regard to the symmetrical cloth of described crane width median plane
Put.
9. distribution line mobile insulation ascending operation apparatus according to claim 8 it is characterised in that：Described cross bar
End is equipped with the nylon wheel being easy to inner side crane ascending, descending campaign, and described foundation frame side wall leaves operating personnel's entrance,
Foundation frame is spliced using the longitudinal and transverse bar of aluminum alloy material, described crane adopt fiberglass, modified PVC material longitudinal and transverse
Bar is spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620894000.5U CN205973684U (en) | 2016-08-18 | 2016-08-18 | Portable insulating operation device of ascending a height of distribution lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620894000.5U CN205973684U (en) | 2016-08-18 | 2016-08-18 | Portable insulating operation device of ascending a height of distribution lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205973684U true CN205973684U (en) | 2017-02-22 |
Family
ID=58030944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620894000.5U Withdrawn - After Issue CN205973684U (en) | 2016-08-18 | 2016-08-18 | Portable insulating operation device of ascending a height of distribution lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205973684U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430006A (en) * | 2016-08-18 | 2017-02-22 | 国网湖南省电力公司带电作业中心 | Power distribution line mobile insulation climbing operation device and method |
| CN107285250A (en) * | 2017-06-13 | 2017-10-24 | 孙景玉 | A kind of Combined type power maintenance lift |
| CN110294440A (en) * | 2019-06-21 | 2019-10-01 | 国网山东省电力公司临沂供电公司 | Insulated platform lifting device |
| CN115123875A (en) * | 2022-05-27 | 2022-09-30 | 国网山东省电力公司齐河县供电公司 | Electric power construction draw gear |
-
2016
- 2016-08-18 CN CN201620894000.5U patent/CN205973684U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430006A (en) * | 2016-08-18 | 2017-02-22 | 国网湖南省电力公司带电作业中心 | Power distribution line mobile insulation climbing operation device and method |
| CN107285250A (en) * | 2017-06-13 | 2017-10-24 | 孙景玉 | A kind of Combined type power maintenance lift |
| CN110294440A (en) * | 2019-06-21 | 2019-10-01 | 国网山东省电力公司临沂供电公司 | Insulated platform lifting device |
| CN115123875A (en) * | 2022-05-27 | 2022-09-30 | 国网山东省电力公司齐河县供电公司 | Electric power construction draw gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20180612 |
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| AV01 | Patent right actively abandoned |