CN107386952B - A kind of power equipment maintaining ladder with up and down folding bar - Google Patents
A kind of power equipment maintaining ladder with up and down folding bar Download PDFInfo
- Publication number
- CN107386952B CN107386952B CN201710763915.1A CN201710763915A CN107386952B CN 107386952 B CN107386952 B CN 107386952B CN 201710763915 A CN201710763915 A CN 201710763915A CN 107386952 B CN107386952 B CN 107386952B
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- Prior art keywords
- folding
- club shaft
- rod
- folding rod
- shaft
- Prior art date
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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
- E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
-
- 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
- E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
-
- 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
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
-
- 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
- E06C1/39—Ladders having platforms; Ladders changeable into platforms
-
- 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
- E06C1/39—Ladders having platforms; Ladders changeable into platforms
- E06C1/393—Ladders having platforms foldable with the ladder
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/10—Reinforcements for ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/16—Platforms on, or for use on, ladders, e.g. liftable or lowerable platforms
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/18—Devices for preventing persons from falling
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/18—Devices for preventing persons from falling
- E06C7/185—Devices providing a back support to a person on the ladder, e.g. cages
-
- 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
- E06C7/423—Ladder stabilising struts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
- Handcart (AREA)
Abstract
The invention discloses a kind of power equipment maintaining ladders with up and down folding bar, including fixed top cover；Four Angle Positions of fixed top cover bottom surface are connected with folding rod；The bottom end of upper folding rod is connected with lower folding rod；The position that upper folding rod connects with lower folding rod is connected with side reinforcing bar；The middle position of every two upper folding rods is evenly distributed with pedal；The middle position of every two lower folding rods is evenly distributed with another group of pedal；The downside of pedal is equipped with connecting rod；Upper folding rod side is provided with upper reinforcing rod close to the position on top；The fixed Angle Position of top cover top surface four is provided with handle；The two sides of fixed top cover are connected with add-in card；Upper folding rod one side, which is evenly distributed with, draws button；The another side of upper folding rod is evenly distributed with shaft；The side for drawing button is provided with steel loop；The present invention can be folded by the way of folding rod, and using reinforcing bar and a stroke button, keep device more stable.
Description
Technical field
The present invention relates to a kind of power equipment maintaining ladder, specially a kind of power equipment maintaining ladder with up and down folding bar belongs to electricity
Power maintenance of equipment technical field.
Background technique
Electric power has been the indispensable energy of institute in people's life at present.In order to ensure that stablizing for electric power is supplied, need
A large amount of power worker and maintenance tool are supported.Power equipment maintaining ladder is a kind of most common tool, electricity in the prior art
Power maintenance ladder is all exactly most common ladder mostly, has at most namely done the processing in terms of some insulation.And with intelligent electricity
The implementation energetically of network technology, power equipment maintaining often relate to multiple fields, there is complicated route in electric power cabinet, be related to it is mechanical,
The multiple fields such as automatically controlled and software debugging, the worker that this maintenance generally requires multiple fields simultaneously participate in, this just needs electric power
The use of maintenance ladder, but we need to pay attention to the stability of ladder in use, this just maintaining with greater need for personnel,
In order to reduce the waste of human resources, save the cost, it would be desirable to a kind of power equipment maintaining ladder of stable type.
Summary of the invention
The purpose of the present invention is to provide a kind of power equipment maintaining ladders with up and down folding bar, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of power equipment maintaining with up and down folding bar is terraced,
Including fixed top cover；Four Angle Positions of the fixation top cover bottom surface are connected with folding rod；The bottom of the upper folding rod
End is connected with lower folding rod；The top of the lower folding rod is provided with pillar；The bottom end central location of the upper folding rod
Equipped with notch；The notch of the pillar and upper folding rod of the lower folding rod matches；The upper folding rod and lower folding rod
The position to connect is connected with side reinforcing bar；The middle position of every two upper folding rods is evenly distributed with pedal；It is folded under every two
The middle position of bar is evenly distributed with another group of pedal；The downside of the pedal is equipped with connecting rod；The upper folding bar side
Face is provided with upper reinforcing rod close to the position on top；The Angle Position of fixation top cover top surface four is provided with handle；Described
The two sides of fixed top cover are connected with add-in card；The upper folding rod one side, which is evenly distributed with, draws button；The upper folding rod
Another side be evenly distributed with shaft；The side for drawing button is provided with steel loop.
Preferably, the both ends of the upper reinforcing rod are equipped with fixture nut；The both ends of the upper reinforcing rod lead to respectively
Fixture nut is crossed to be connected with two upper folding rod sides.
Preferably, the bottom side of the handle is equipped with fixed draw runner；The bottom surface of the fixation draw runner and fixed top cover phase
Connection；The handle is connected by fixed draw runner with fixed top cover.
Preferably, the front of the fixation top cover is equipped with safety door hook close to the central location on bottom edge；It is described upper plus
Fixing bolt is provided on the upside of strong bar；The bottom surface of the fixing bolt is connected with upper folding rod side.
Preferably, the upper folding rod includes folding club shaft a, folding club shaft b, fold club shaft c；Described is upper
The top of folding rod is to fold club shaft a；It is connected on the downside of the folding club shaft a and folds club shaft b；The folding
It is provided on the downside of club shaft b and folds club shaft c；Between the folding club shaft a and folding club shaft b, fold club shaft b
It is all connect by shaft between club shaft c with folding；Between the folding club shaft a and folding club shaft b, fold club shaft
Fixed relative position all is detained by drawing between b and folding club shaft c.
Preferably, the lower folding rod includes folding club shaft d, folding club shaft e, fold club shaft f；Under described
The top of folding rod is to fold club shaft e；It is connected on the downside of the folding club shaft e and folds club shaft f；The folding
It is provided on the downside of club shaft f and folds club shaft d；Between the folding club shaft e and folding club shaft f, fold club shaft f
It is all connect by another group of shaft between club shaft d with folding；Between the folding club shaft e and folding club shaft f, fold
It is all drawn by another group between club shaft f and folding club shaft d and detains fixed relative position.
Preferably, the top of the side reinforcing bar is equipped with side and draws button；The side reinforcing bar is in upper folding rod and lower folding
Folded bar delivery position is drawn button by side and is fixed；The side reinforcing bar side surface upper part is provided with lower reinforcing rod.
Compared with prior art, the beneficial effects of the present invention are: the present invention is matched using upper folding rod with lower folding rod
Mode, the body of rod thus designed have foldability, occupied space is few, and the body of rod is easy to carry in the environment of narrow space,
The speed for reaching repair location is improved, electric power damage influence time is reduced；Device has detachability, and the side of disassembly
Just, not complicated machine components, speed easy to assembly is fast, and maintenance personal is dispersible to carry terraced body, alleviates maintenance personal's
Weight bearing, easy to carry, device can connect lengthening, can directly increase terraced height degree in higher maintenace point, be promoted on the whole
Maintenance efficiency；And when device is connected and lengthened, corresponding bottom of device rock-steady structure is needed, the present apparatus increases four sides
Reinforcing bar increases the stability of terraced body, protects service worker；Using add-in card, the area of ladder top is increased, maintenance mans can be placed
Have case and maintenance part, become small workbench, make to repair it is more convenient, rapidly；Using safety door hook, safety door hook is that safety belt is solid
Fixed place, prevents safety belt loose or dislocation from generating security risk to service worker.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is top partial schematic diagram of the present invention；
Fig. 3 is present invention middle part partial schematic diagram；
Fig. 4 is the upper folding rod structural schematic diagram of the present invention；
Fig. 5 is the lower folding rod structural schematic diagram of the present invention；
In figure: 1, fixed top cover；2, pedal；3, upper folding rod；4, side reinforcing bar；5, lower folding rod；6, upper reinforcing rod；7,
Shaft；8, fixture nut；9, fixing bolt；10, safety door hook；11, handle；12, fixed draw runner；13, add-in card；14, button is drawn；15,
Draw button in side；16, lower reinforcing rod；17, steel loop；18, club shaft a is folded；19, club shaft b is folded；20, club shaft c is folded；21, it rolls over
Folded club shaft d；22, club shaft e is folded；23, connecting rod；24, club shaft f is folded.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: including fixed top cover 1；1 bottom surface of fixation top cover
Four Angle Positions be connected with folding rod 3；The bottom end of the upper folding rod 3 is connected with lower folding rod 5；The lower folding
The top of bar 5 is provided with pillar；The bottom end central location of the upper folding rod 3 is equipped with notch；The lower folding rod 5 it is convex
The notch of column and upper folding rod 3 matches；The position that the upper folding rod 3 connects with lower folding rod 5 is connected with side reinforcing bar
4；The middle position of every two upper folding rods 3 is evenly distributed with pedal 2；The middle position of every two lower folding rods 5 is uniformly distributed
There is another group of pedal 2；The downside of the pedal 2 is equipped with connecting rod 23；Position of 3 side of upper folding rod close to top
It is provided with reinforcing rod 6；Fixation top cover 1 top surface four Angle Position is provided with handle 11；The two of the fixation top cover 1
Side is connected with add-in card 13；3 one side of upper folding rod, which is evenly distributed with, draws button 14；The upper folding rod 3 it is another
Side is evenly distributed with shaft 7；The side for drawing button 14 is provided with steel loop 17；It installs at the both ends of the upper reinforcing rod 6
There is fixture nut 8；The both ends of the upper reinforcing rod 6 pass through fixture nut 8 respectively and are connected with two upper 3 sides of folding rod；
The bottom side of the handle 11 is equipped with fixed draw runner 12；The bottom surface of the fixation draw runner 12 is connected with fixed top cover 1；It is described
Handle 11 pass through fixed draw runner 12 and be connected with fixation top cover 1；Central position of the front of the fixation top cover 1 close to bottom edge
It sets and safety door hook 10 is installed；The upside of the upper reinforcing rod 6 is provided with fixing bolt 9；The bottom surface of the fixing bolt 9 and upper folding
Folded 3 side of bar is connected；The upper folding rod 3 includes folding club shaft a18, folding club shaft b19, fold club shaft c20；
The top of the upper folding rod 3 is to fold club shaft a18；Folding rod bar is connected on the downside of the folding club shaft a18
Body b19；It is provided on the downside of the folding club shaft b19 and folds club shaft c20；The folding club shaft a18 and folding
It is all connected by shaft 7 between club shaft b19, between folding club shaft b19 and folding club shaft c20；The folding rod bar
Between body a18 and folding club shaft b19, folds club shaft b19 and fold and all detain 14 stationary phases pair by drawing between club shaft c20
Position；The lower folding rod 5 includes folding club shaft d21, folding club shaft e22, fold club shaft f24；The lower folding
The top of folded bar 5 is to fold club shaft e22；It is connected on the downside of the folding club shaft e22 and folds club shaft f24；It is described
Folding club shaft f24 on the downside of be provided with fold club shaft d21；The folding club shaft e22 and fold club shaft f24 it
Between, fold club shaft f24 and fold between club shaft d21 all by the connection of another group of shaft 7；The folding club shaft e22
14 stationary phases of button all are drawn by another group between club shaft d21 with folding between club shaft f24, folding club shaft f24 and folding
To position；The top of the side reinforcing bar 4 is equipped with side and draws button 15；The side reinforcing bar 4 is in upper folding rod 3 and lower folding rod
5 delivery positions are drawn button 15 by side and are fixed；4 side surface upper part of side reinforcing bar is provided with lower reinforcing rod 16.
In the specific implementation, upper folding rod 3 matches the present invention with lower folding rod 5, and the body of rod thus designed has and can roll over
Folded property, the body of rod is easy to carry in the environment of narrow space, improves the speed for reaching repair location, reduces electric power damage shadow
Ring the time；Device has detachability, and convenient disassembly, and speed easy to assembly is fast, and maintenance personal is dispersible to carry terraced body, subtracts
The light weight bearing of maintenance personal, easy to carry, device can connect lengthening, can directly increase terraced height in higher maintenace point
Degree, improves maintenance efficiency on the whole；And when device is connected and lengthened, corresponding bottom of device rock-steady structure is needed, this
Device increases the stability that four side reinforcing bars 4 increase terraced body, protects service worker；Add-in card 13 increases the face of ladder top
Product, can place maintenance kit and maintenance part, become small workbench, make to repair it is more convenient, rapidly；Safety belt is fixed
On safety door hook 10, safety belt loose or dislocation, protection maintenance personal's safety are prevented.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of power equipment maintaining ladder with up and down folding bar, it is characterised in that: including fixed top cover (1)；The fixed top
Four Angle Positions of lid (1) bottom surface are connected with folding rod (3)；The bottom end of the upper folding rod (3) is connected with lower folding rod
(5)；The top of the lower folding rod (5) is provided with pillar；The bottom end central location of the upper folding rod (3), which is equipped with, to be lacked
Mouthful；The notch of the pillar and upper folding rod (3) of the lower folding rod (5) matches；The upper folding rod (3) and lower folding
The position that bar (5) connects is connected with side reinforcing bar (4)；The middle position of every two upper folding rod (3) is evenly distributed with pedal
(2)；The middle position of every two lower folding rods (5) is evenly distributed with another group of pedal (2)；It is set on the downside of the pedal (2)
There are connecting rod (23)；Upper folding rod (3) side is provided with upper reinforcing rod (6) close to the position on top；The fixation
Top cover (1) top surface four Angle Position is provided with handle (11)；The two sides of the fixation top cover (1) are connected with add-in card (13)；
Described upper folding rod (3) one side is uniform and is intervally distributed with stroke button (14) and a shaft (7), the upper folding rod (3)
Another side uniformly and is intervally distributed with stroke button (14), shaft (7) in an identical manner, and the opposite position in two sides is respectively to draw
(14) and shaft (7) are detained, the side for drawing button (14) is provided with steel loop (17)；The upper folding rod (3) includes folding
Club shaft a (18), club shaft b (19) are folded, fold club shaft c (20)；The top of the upper folding rod (3) is folding rod bar
Body a (18)；It is connected on the downside of the folding club shaft a (18) and folds club shaft b (19)；The folding club shaft b
(19) it is provided on the downside of and folds club shaft c (20)；Between the folding club shaft a (18) and folding club shaft b (19), roll over
It is all connect by shaft (7) between folded club shaft b (19) and folding club shaft c (20)；The folding club shaft a (18) and folding
Between folded club shaft b (19), folds club shaft b (19) and fold between club shaft c (20) all by drawing button (14) stationary phase pair
Position；The lower folding rod (5) includes folding club shaft d (21), folding club shaft e (22), fold club shaft f (24)；Institute
The top for the lower folding rod (5) stated is to fold club shaft e (22)；Folding is connected on the downside of the folding club shaft e (22)
Club shaft f (24)；It is provided on the downside of the folding club shaft f (24) and folds club shaft d (21)；The folding club shaft
Between e (22) and folding club shaft f (24), folds club shaft f (24) and fold between club shaft d (21) all by another group turn
Axis (7) connection；Between the folding club shaft e (22) and folding club shaft f (24), fold club shaft f (24) and folding rod
The fixed relative position of button (14) all is drawn by another group between body of rod d (21).
2. a kind of power equipment maintaining ladder with up and down folding bar according to claim 1, it is characterised in that: it is described upper plus
The both ends of strong bar (6) are equipped with fixture nut (8)；The both ends of the upper reinforcing rod (6) pass through fixture nut (8) and two respectively
Folding rod (3) side is connected on root.
3. a kind of power equipment maintaining ladder with up and down folding bar according to claim 1, it is characterised in that: the handle
(11) bottom side is equipped with fixed draw runner (12)；The bottom surface of the fixation draw runner (12) is connected with fixed top cover (1)；Described
Handle (11) passes through fixed draw runner (12) and is connected with fixed top cover (1).
4. a kind of power equipment maintaining ladder with up and down folding bar according to claim 1, it is characterised in that: the fixation
The front of top cover (1) is equipped with safety door hook (10) close to the central location on bottom edge；It is provided on the upside of the upper reinforcing rod (6)
Fixing bolt (9)；The bottom surface of the fixing bolt (9) is connected with upper folding rod (3) side.
5. a kind of power equipment maintaining ladder with up and down folding bar according to claim 1, it is characterised in that: the side adds
The top of solid rod (4) is equipped with side and draws button (15)；The side reinforcing bar (4) joins position in upper folding rod (3) and lower folding rod (5)
It sets fixed by side stroke button (15)；Described side reinforcing bar (4) side surface upper part is provided with lower reinforcing rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763915.1A CN107386952B (en) | 2016-08-22 | 2016-08-22 | A kind of power equipment maintaining ladder with up and down folding bar |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763915.1A CN107386952B (en) | 2016-08-22 | 2016-08-22 | A kind of power equipment maintaining ladder with up and down folding bar |
| CN201610699044.7A CN106089014B (en) | 2016-08-22 | 2016-08-22 | A kind of stable type power equipment maintaining ladder |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610699044.7A Division CN106089014B (en) | 2016-08-22 | 2016-08-22 | A kind of stable type power equipment maintaining ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107386952A CN107386952A (en) | 2017-11-24 |
| CN107386952B true CN107386952B (en) | 2019-02-12 |
Family
ID=58070412
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710763926.XA Active CN107503668B (en) | 2016-08-22 | 2016-08-22 | Power equipment maintaining ladder |
| CN201710763915.1A Active CN107386952B (en) | 2016-08-22 | 2016-08-22 | A kind of power equipment maintaining ladder with up and down folding bar |
| CN201610699044.7A Expired - Fee Related CN106089014B (en) | 2016-08-22 | 2016-08-22 | A kind of stable type power equipment maintaining ladder |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710763926.XA Active CN107503668B (en) | 2016-08-22 | 2016-08-22 | Power equipment maintaining ladder |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610699044.7A Expired - Fee Related CN106089014B (en) | 2016-08-22 | 2016-08-22 | A kind of stable type power equipment maintaining ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107503668B (en) |
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| US9416591B2 (en) * | 2014-12-02 | 2016-08-16 | Core Distribution, Inc. | Telescoping ladder with stabilizers |
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| CN103147681A (en) * | 2013-03-28 | 2013-06-12 | 河南省电力公司信阳供电公司 | Multifunctional meter reading ladder |
| CN203570191U (en) * | 2013-11-25 | 2014-04-30 | 国家电网公司 | Folding ladder exclusively used for fixing folding position in electric power maintenance |
| CN204371089U (en) * | 2014-12-26 | 2015-06-03 | 上海公安高等专科学校 | A kind of multi-functional climbing ladder |
| CN204851043U (en) * | 2015-08-06 | 2015-12-09 | 国网山东新泰市供电公司 | Special maintenance ladder of electric power |
| CN204899753U (en) * | 2015-08-17 | 2015-12-23 | 陈建 | Foldable fire control hook ladder |
| CN205936363U (en) * | 2016-08-22 | 2017-02-08 | 国网山东省电力公司龙口市供电公司 | Stable form power maintenance ladder |
-
2016
- 2016-08-22 CN CN201710763926.XA patent/CN107503668B/en active Active
- 2016-08-22 CN CN201710763915.1A patent/CN107386952B/en active Active
- 2016-08-22 CN CN201610699044.7A patent/CN106089014B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060129110A (en) * | 2005-05-30 | 2006-12-15 | 이상규 | A working table having with multi function |
| US9416591B2 (en) * | 2014-12-02 | 2016-08-16 | Core Distribution, Inc. | Telescoping ladder with stabilizers |
| CN205330509U (en) * | 2016-01-28 | 2016-06-22 | 厦门大学嘉庚学院 | Portable high altitude construction folding ladder |
| CN205477335U (en) * | 2016-03-31 | 2016-08-17 | 国网山东省电力公司夏津县供电公司 | Folding insulating ladder about overhaul power distribution station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107386952A (en) | 2017-11-24 |
| CN106089014A (en) | 2016-11-09 |
| CN106089014B (en) | 2017-12-22 |
| CN107503668B (en) | 2019-02-12 |
| CN107503668A (en) | 2017-12-22 |
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