CN105840087B - A kind of electric power overhaul folding ladder - Google Patents
A kind of electric power overhaul folding ladder Download PDFInfo
- Publication number
- CN105840087B CN105840087B CN201610206873.7A CN201610206873A CN105840087B CN 105840087 B CN105840087 B CN 105840087B CN 201610206873 A CN201610206873 A CN 201610206873A CN 105840087 B CN105840087 B CN 105840087B
- Authority
- CN
- China
- Prior art keywords
- cleat stanchion
- placing box
- connecting plate
- electric power
- instrument placing
- 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.)
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Links
- 230000008878 coupling Effects 0.000 claims abstract description 27
- 238000010168 coupling process Methods 0.000 claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 19
- 238000012423 maintenance Methods 0.000 claims abstract description 15
- 239000002699 waste material Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229960001866 silicon dioxide Drugs 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process 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
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
-
- 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
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/397—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders characterised by having wheels, rollers, or runners
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/12—Lifts or other hoisting devices on ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/46—Non-skid equipment
-
- 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)
- Ladders (AREA)
Abstract
The present invention relates to a kind of electric power overhaul folding ladder, including the first cleat stanchion, the second cleat stanchion, connecting plate, instrument placing box, instrument placing box is slidably connected on the first cleat stanchion and/or the second cleat stanchion, flexible couplings are connected with instrument placing box, connecting plate is provided with winding component, connecting plate is provided with hook, and the side wall of instrument placing box is provided with storage frame；Advantages of the present invention：Instrument placing box is slidably connected on the first cleat stanchion and/or the second cleat stanchion, and control flexible couplings winding and unreel to control by winding component, the setting of instrument placing box, can be by the instrument of maintenance and the unified placement of parts, it is avoided that the omission of instrument and parts, reduce the number of times that operating personnel ascend a height, overhaul efficiency can be improved, the setting of hook, instrument placing box can be hung on connecting plate, coming off for instrument placing box is prevented, the setting of frame is stored, the waste material produced in maintenance process or electric parts unified recovery can be subjected to.
Description
Technical field
The present invention relates to a kind of electric power overhaul folding ladder.
Background technology
At electric substation's outwork scene, the basis of the transformer such as disconnecting switch, arrester and breaker is often compared
Height, for the staff for being engaged in substation equipment maintenance and repair, personnel, which have to ascend a height, can just carry out the work.And ascend a height and need to use absolutely
Edge ladder auxiliary, and in maintenance process, operating personnel can not realize the judgement to the failure of equipment the very first time, it is necessary to by inspection
Repair instrument to detect part or part, operating personnel are during ascending a height, and the number of tools and species carried with can not
Detection demand is met, another operating personnel is generally required or process of repeatedly ascending a height, so as to influence operating efficiency, workload is big,
The multiple high process of stool reduces the security performance for the process of ascending a height, and can not ensure the complete of service kit and repair materials during maintenance
Property.
The content of the invention
The technical problem to be solved in the present invention is just to provide a kind of electric power overhaul folding ladder, can effectively solve existing electric power inspection
The problem of repairing ladder presence can not ensure integrality and the inefficiency of service kit and repair materials when in use.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：A kind of electric power overhaul is folded
Ladder, including the first cleat stanchion, the second cleat stanchion and connecting plate, in addition to instrument placing box, instrument placing box are slidably connected at the first ladder
On post and/or the second cleat stanchion, flexible couplings are connected with instrument placing box, connecting plate is provided with control flexible couplings winding
With the winding component unreeled, the top of the first cleat stanchion and one end of connecting plate are detachably connected, the top of the second cleat stanchion and connection
The other end of plate is detachably connected, and connecting plate is provided with hanging tool placing box in the hook on connecting plate, instrument placing box
Side wall is provided with the storage frame for storing maintenance waste material.
It is preferred that, instrument placing box is slidably connected on the second cleat stanchion, is passed through between the second cleat stanchion and instrument placing box
The slide assemblies being mutually slidably connected are connected, and slide assemblies include slide rail and pulley, pass through slide assemblies implementation tool placing box
Slided on the second cleat stanchion, be effectively reduced the heavy burden that operating personnel ascend a height, improve security performance, slide rail and pulley, it is sliding
Dynamic effect is good, easy installation and removal.
It is preferred that, winding component includes rotating shaft and axle sleeve, and axle sleeve is fixedly connected in rotating shaft, and soft connection is fixed on axle sleeve
The helicla flute of part, axis of rotation is connected on connecting plate, is realized the winding of flexible couplings by positive and negative transfer of rotating shaft and is put
Volume, it is simple to operate, working strength is reduced, the setting of helicla flute is conducive to flexible couplings to fix.
It is preferred that, the bottom of connecting plate is provided with the first riser and the second riser, and rotating shaft is arranged on the first riser and second and stood
Between plate, prevent from winding the damage of component, the first riser and the second riser are conducive to rotating shaft to fix.
It is preferred that, one end of helicla flute, in the adhesive tape in helicla flute, prevents flexible couplings provided with fastening flexible couplings
Come off, security performance is high, stationarity when can guarantee that winding and unreeling.
It is preferred that, flexible couplings are rope or steel wire rope, connection of the instrument placing box provided with connection flexible couplings
Ring, good connecting effect can prevent the fracture of flexible couplings and damage that security performance is high.
It is preferred that, connecting plate includes first connecting portion and second connecting portion, leads between first connecting portion and second connecting portion
The adjustable runner assembly of over-angle rotates connection, and the first cleat stanchion passes through with first connecting portion, the second cleat stanchion and second connecting portion
Magnet is fixedly connected, and length-adjustable pull bar is connected between the first cleat stanchion and the second cleat stanchion, can be according to different working environments
The angle of first connecting portion and second connecting portion is adjusted, and can be adjusted according to different operating personnel, security performance is high, it is real
Good with performance, magnet connection is reliable, the setting of pull bar, it is ensured that the stability of the first cleat stanchion and the second cleat stanchion during work, and draws
Pole length is adjustable, can be adjusted according to different placed angles.
It is preferred that, be equipped with silicagel pad in first connecting portion and second connecting portion, silicagel pad provided with instrument standing groove and
Wire standing groove, further improves the efficiency of maintenance, and silicagel pad prevents the damage of first connecting portion and second connecting portion.
It is preferred that, adjustable for height shifting roller is additionally provided with bottom plate, is easy to operating personnel to carry, shifting roller is set
Into height adjustable, it is ensured that shifting roller is away from ground during work, the movement of shifting roller when being effectively prevented work, safety
Performance is high.
It is preferred that, instrument placing box is provided with and linked up with the suspension ring being connected, and stores frame perpendicular provided with what is be connected with connecting plate
Straight connecting rod, the bottom of connecting plate is provided with the positioning hole being connected with vertical connecting rod, and suspension ring and hook are connected, and easy installation and removal is hanged
Hang convenient, and coordinated by vertical connecting rod and positioning hole, it is ensured that the stability of instrument placing box during work, prevent from coming off.
In summary, advantages of the present invention：Instrument placing box is slidably connected on the first cleat stanchion and/or the second cleat stanchion,
And control flexible couplings winding and unreel to control by winding component, the setting of instrument placing box can be by the work of maintenance
Tool and the unified placement of parts, are avoided that the omission of instrument and parts, reduce the number of times that operating personnel ascend a height, can improve inspection
Efficiency is repaiied, instrument placing box can be hung on connecting plate, prevent coming off for instrument placing box, it is therefore prevented that go out by the setting of hook
The phenomenon of existing high-altitude junk, stores the setting of frame, the waste material produced in maintenance process or electric parts can be carried out into unified recovery,
The loss everywhere of waste material and electric parts is avoided, the first cleat stanchion, the second cleat stanchion are arranged to connecting plate to be detachably connected, energy
It is adjusted according to different operating personnel, practical performance is good, the setting of horizontal cross plate, increases the contact with ground, is improved
Frictional force, prevents that the first cleat stanchion and the second cleat stanchion skid during service work, the setting of cushion pad can prevent the instrument placing box from putting
To the impulsive force of bottom plate during volume, rocking for the first cleat stanchion and the second cleat stanchion is prevented, security performance is high.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structural representation of electric power overhaul folding ladder of the invention；
Fig. 2 winds the structural representation of component for the present invention；
Fig. 3 is the structural representation of inventive article placing box.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of electric power overhaul folding ladder, including the first cleat stanchion 1, the second cleat stanchion 2 and connecting plate
3, in addition to instrument placing box 4, instrument placing box 4 is slidably connected on the first cleat stanchion 1 and/or the second cleat stanchion 2, instrument placing box
Flexible couplings 5, the winding component 6 that connecting plate 3 winds and unreeled provided with control flexible couplings 5, the first ladder are connected with 4
The top of post 1 and one end of connecting plate 3 are detachably connected, and the top of the second cleat stanchion 2 detachably connects with the other end of connecting plate 3
Connect, connecting plate 3 is provided with hanging tool placing box 4 in the hook 7 on connecting plate 3, and the side wall of instrument placing box 4 is provided with storage
The bottom of the storage frame 41 of maintenance waste material, the first cleat stanchion 1 and the second cleat stanchion 2 is equipped with horizontal cross plate 9, the two ends of horizontal cross plate 9
It is equipped with Slippery proof foot pad 91, horizontal cross plate 9 and is additionally provided with bottom plate 92, bottom plate 92 is provided with cushion pad 93, instrument placing box 4 is slided
It is connected on the second cleat stanchion 2, is connected between the second cleat stanchion 2 and instrument placing box 4 by the slide assemblies 8 being mutually slidably connected,
Slide assemblies 8 include slide rail 81 and pulley 82, and slide rail is arranged on the second cleat stanchion, and pulley is arranged on the bottom of instrument placing box,
Slided by slide assemblies implementation tool placing box on the second cleat stanchion, be effectively reduced the heavy burden that operating personnel ascend a height, carry
High security performance, slide rail and pulley, sliding effect are good, and easy installation and removal, flexible couplings 5 are rope or steel wire rope, work
Have placing box 4 provided with connection flexible couplings 5 connection ring 42, good connecting effect, can prevent flexible couplings fracture and
Damage, security performance is high.
Winding component 6 includes rotating shaft 61 and axle sleeve 62, and axle sleeve 62 is fixedly connected in rotating shaft 61, fixes soft on axle sleeve 62
The helicla flute 63 of connector 5, rotating shaft 61 is rotatably connected on connecting plate 3, can be turned in rotating shaft 61 according to practical operation connection driving
The drive component that axle 61 is rotated, such as motor, handle, transferred by positive and negative in rotating shaft the winding of realizing flexible couplings and
Unreel, it is simple to operate, working strength is reduced, the setting of helicla flute is conducive to flexible couplings to fix, the bottom of connecting plate 3
Provided with the first riser 38 and the second riser 39, rotating shaft 61 is arranged between the first riser 38 and the second riser 39, and rotating shaft is arranged on
Between first riser and the second riser, prevent from winding the damage of component, the first riser and the second riser are conducive to rotating shaft to fix, spiral shell
One end of spin slot 63, in the adhesive tape 64 in helicla flute, prevents coming off for flexible couplings, security provided with fastening flexible couplings 5
Can be high, stationarity when can guarantee that winding and unreeling.
Connecting plate 3 includes first connecting portion 31 and second connecting portion 32, between first connecting portion 31 and second connecting portion 32
Connection is rotated by the runner assembly 33 of adjustable angle, runner assembly 33 can be set according to different occasions, such as hinge, turned
Axle, the first cleat stanchion 1 is fixedly connected with first connecting portion 31, the second cleat stanchion 2 and second connecting portion 32 by magnet 30, the first ladder
Be connected with length-adjustable pull bar 34 between the cleat stanchion 2 of post 1 and second, can be adjusted according to different working environment first connecting portion and
The angle of second connecting portion, and can be adjusted according to different operating personnel, security performance is high, and practical performance is good, and magnet connects
Connect reliable, the setting of pull bar, it is ensured that the stability of the first cleat stanchion and the second cleat stanchion during work, and pull bar adjustable length can root
It is adjusted according to different placed angles, silicagel pad 35, silicagel pad 35 is equipped with first connecting portion 31 and second connecting portion 32
Instrument standing groove 36 and wire standing groove 37 are provided with, the efficiency of maintenance is further improved, silicagel pad prevents first connecting portion
With the damage of second connecting portion, be additionally provided with adjustable for height shifting roller 94 on bottom plate 92, shifting roller can according to application demand,
Select screw rod or push rod to realize the height adjustable of shifting roller 94, be easy to operating personnel to carry, shifting roller is arranged to height
Degree is adjustable, it is ensured that shifting roller is away from ground during work, the movement of shifting roller, security performance when being effectively prevented work
Height, instrument placing box 4 is provided with and links up with the suspension ring 43 being connected, and stores frame 41 and is provided with the vertical connecting rod being connected with connecting plate
44, the bottom of connecting plate 3 is provided with the positioning hole 45 being connected with vertical connecting rod 44, and suspension ring and hook are connected, and easy installation and removal is hanged
Hang convenient, and coordinated by vertical connecting rod and positioning hole, it is ensured that the stability of instrument placing box during work, prevent from coming off.
In use, according to the demand of user, the He of first connecting portion 31 is adjusted by adjusting the angle of runner assembly 33
The angle of second connecting portion 32, and placed the first cleat stanchion 1 and the second cleat stanchion 2 on the ground by Slippery proof foot pad 91, Ran Houcao
Ascend a height operation, when operating personnel reach connecting plate 3, wound by the control shaft set 62 that just transfers of rotating shaft 61 as personnel, so that
Pulling instrument placing box 4 is slided under the drive of slide assemblies 8 on the first cleat stanchion 1 and/or the second cleat stanchion 2, and passes through hook 7
Coordinate with suspension ring 43, and hung on instrument placing box 4 on connecting plate 3 by vertical connecting rod 44, during maintenance, instrument can be put
The instrument and wire placed in case 4 is put to be individually positioned in the instrument standing groove 36 and wire standing groove 37 of silicagel pad 35, so that
Overhaul efficiency is improved, the wire scrapped and electric component after maintenance are accommodated in storage frame 41, after the completion of maintenance, improves and turns
The reversion of axle 61, to control axle sleeve 62 to unreel, during unreeling, cushion pad 93 effectively reduces instrument placing box 4 when unreeling
Lower pressure, prevent the damage of instrument placing box 4.
In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this
Invention is variously modified and deformed, and without departing from the spirit of the present invention, all should belong to appended claims of the present invention and determine
The scope of justice.
Claims (10)
1. a kind of electric power overhaul folding ladder, including the first cleat stanchion (1), the second cleat stanchion (2) and connecting plate (3), it is characterised in that：Also
Including instrument placing box (4), instrument placing box (4) is slidably connected on the first cleat stanchion (1) and/or the second cleat stanchion (2), and instrument is put
Put and flexible couplings (5) are connected with case (4), connecting plate (3) is provided with control flexible couplings (5) winding and the winding unreeled
Component (6), the top and one end of connecting plate (3) of the first cleat stanchion (1) are detachably connected, the top of the second cleat stanchion (2) and connection
The other end of plate (3) is detachably connected, and connecting plate (3) is provided with hanging tool placing box (4) in the hook on connecting plate (3)
(7), the side wall of instrument placing box (4) is provided with the storage frame (41) for storing maintenance waste material, the first cleat stanchion (1) and the second cleat stanchion
(2) bottom is equipped with horizontal cross plate (9), and the two ends of horizontal cross plate (9) are equipped with Slippery proof foot pad (91), horizontal cross plate (9)
Bottom plate (92) is additionally provided with, bottom plate (92) is provided with cushion pad (93).
2. a kind of electric power overhaul folding ladder according to claim 1, it is characterised in that：Instrument placing box (4) is slidably connected
On the second cleat stanchion (2), slide assemblies (8) phase between the second cleat stanchion (2) and instrument placing box (4) by being mutually slidably connected
Even, slide assemblies (8) include slide rail (81) and pulley (82).
3. a kind of electric power overhaul folding ladder according to claim 1, it is characterised in that：Winding component (6) includes rotating shaft
(61) and axle sleeve (62), axle sleeve (62) is fixedly connected in rotating shaft (61), and the spiral of flexible couplings (5) is fixed on axle sleeve (62)
Groove (63), rotating shaft (61) is rotatably connected on connecting plate (3).
4. a kind of electric power overhaul folding ladder according to claim 3, it is characterised in that：The bottom of connecting plate (3) is provided with the
One riser (38) and the second riser (39), rotating shaft (61) are arranged between the first riser (38) and the second riser (39).
5. a kind of electric power overhaul folding ladder according to claim 3, it is characterised in that：One end of helicla flute (63) is provided with tight
Gu flexible couplings (5) are in the adhesive tape (64) in helicla flute.
6. a kind of electric power overhaul folding ladder according to claim 1, it is characterised in that：Flexible couplings (5) be rope or
Steel wire rope, connection ring (42) of the instrument placing box (4) provided with connection flexible couplings (5).
7. a kind of electric power overhaul folding ladder according to claim 1, it is characterised in that：Connecting plate (3) includes the first connection
Portion (31) and second connecting portion (32), pass through the rotating group of adjustable angle between first connecting portion (31) and second connecting portion (32)
Part (33) rotates connection, and the first cleat stanchion (1) passes through with first connecting portion (31), the second cleat stanchion (2) and second connecting portion (32)
Magnet (30) is fixedly connected, and length-adjustable pull bar (34) is connected between the first cleat stanchion (1) and the second cleat stanchion (2).
8. a kind of electric power overhaul folding ladder according to claim 7, it is characterised in that：First connecting portion (31) and second connects
Silicagel pad (35) is equipped with socket part (32), silicagel pad (35) is provided with instrument standing groove (36) and wire standing groove (37).
9. a kind of electric power overhaul folding ladder according to claim 1, it is characterised in that：Height is additionally provided with bottom plate (92) can
The shifting roller (94) of tune.
10. a kind of electric power overhaul folding ladder according to claim 1, it is characterised in that：Instrument placing box (4) be provided with
The connected suspension ring (43) of hook, store frame (41) and are provided with the vertical connecting rod (44) being connected with connecting plate, the bottom of connecting plate (3)
Provided with the positioning hole (45) being connected with vertical connecting rod (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610206873.7A CN105840087B (en) | 2016-04-01 | 2016-04-01 | A kind of electric power overhaul folding ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610206873.7A CN105840087B (en) | 2016-04-01 | 2016-04-01 | A kind of electric power overhaul folding ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105840087A CN105840087A (en) | 2016-08-10 |
| CN105840087B true CN105840087B (en) | 2017-10-10 |
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ID=56596972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610206873.7A Active CN105840087B (en) | 2016-04-01 | 2016-04-01 | A kind of electric power overhaul folding ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105840087B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285450A (en) * | 2016-08-30 | 2017-01-04 | 国网河南省电力公司南阳供电公司 | A kind of electric power overhaul folding ladder with insulating protective layer |
| CN106499331B (en) * | 2016-11-01 | 2018-06-26 | 国网山东省电力公司济南市长清区供电公司 | A kind of field high tension electric tower high-tension line working service aerial ladder |
| CN108767670A (en) * | 2018-05-24 | 2018-11-06 | 何爱建 | A kind of switchgear easy to repair |
| CN109512192A (en) * | 2018-10-25 | 2019-03-26 | 潘雲生 | A kind of electric power overhaul folding insulation stool fixed using sucked type electromagnetism |
| CN111005673A (en) * | 2019-12-07 | 2020-04-14 | 广州市驰新机电有限公司 | Device for maintaining high-altitude frequency converter and using method thereof |
| CN111852313A (en) * | 2020-06-19 | 2020-10-30 | 孝感定原电子科技有限公司 | Electrical equipment mounting ladder for power electrician |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2764992Y (en) * | 2005-02-17 | 2006-03-15 | 诸暨市昌是信磁电有限公司 | Strong magnetic attraction device |
| US20130112502A1 (en) * | 2011-11-08 | 2013-05-09 | Linda OLIVER | Ladder Caddy |
| CN203050479U (en) * | 2012-12-06 | 2013-07-10 | 国家电网公司 | Multifunctional electric power overhaul ladder |
| CN204126546U (en) * | 2014-07-11 | 2015-01-28 | 梁飞剑 | One detachably assembles ladder |
| CN204252810U (en) * | 2014-10-09 | 2015-04-08 | 石家庄飞翔材料技术有限公司 | A kind of multi-functional insulating ladder |
| CN204532046U (en) * | 2015-01-22 | 2015-08-05 | 国网山东鄄城县供电公司 | The special maintenance ladder of a kind of electric power |
| CN205100865U (en) * | 2015-10-15 | 2016-03-23 | 苏州飞华铝制工业有限公司 | Can open folding ladder top cap with accomodate function |
-
2016
- 2016-04-01 CN CN201610206873.7A patent/CN105840087B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105840087A (en) | 2016-08-10 |
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