CN107269217A - A kind of single-column grafting ladder for supporting oneself anti-skidding by base - Google Patents
A kind of single-column grafting ladder for supporting oneself anti-skidding by base Download PDFInfo
- Publication number
- CN107269217A CN107269217A CN201710437258.1A CN201710437258A CN107269217A CN 107269217 A CN107269217 A CN 107269217A CN 201710437258 A CN201710437258 A CN 201710437258A CN 107269217 A CN107269217 A CN 107269217A
- Authority
- CN
- China
- Prior art keywords
- base
- cross bar
- sleeve
- cleat stanchion
- ladder
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention provides a kind of single-column grafting ladder for supporting oneself anti-skidding by base, including base, cleat stanchion and pedal, the base includes a cross bar, the inclined first sleeve upward of two support arms and one, one end of the support arm is connected with an end of the cross bar, the equal horizontal positioned of cross bar and support arm is contacted with ground, the cross bar and two support arm composition U-shaped, upwardly extended in the middle part of the cross bar of the base provided with first sleeve, first sleeve is tilted to the U-shaped opening direction of the base from bottom to top, two support arms of the downward projection of first sleeve parallel to the base, the lower end of cleat stanchion is plugged in the first sleeve, at least two pedal is staggered in the left and right sides of the cleat stanchion.The first sleeve of extension is tilted upward by the base of U-shaped structure, and on base, the self-support of cleat stanchion and base is realized, while making the width and length of the terraced base of grafting big, contacts firm with ground, safety in utilization is good.
Description
Technical field
The present invention relates to ladder technical field, more particularly to a kind of single-column grafting ladder for supporting oneself anti-skidding by base.
Background technology
Ladder is a kind of widely used instrument of climbing to a higher point, and either family or building site are both needed to complete by ladder climbing
Some affairs.On light fixture, suspension ornament, access object as changed eminence in family, gardens pruning, picking fruit, building site
Installation, maintenance etc. is both needed to by this instrument of ladder in finishing, engineering.Found in the use of ladder, the length of ladder is longer
Transport and storage to ladder are made troubles, and heavier ladder is made troubles to the setting and moving of ladder, and the materials of ladder are more
The utilization of the cost and resource of widow's influence ladder, the slippery problem of ladder brings potential potential safety hazard to the use of ladder.
Occur in that four post telescopic ladders at present, although solve the length issue of ladder, still, four posts are telescopic
Ladder anti-skid structure is not succinct enough, and weight is still heavier, using relatively elaborate；The making materials of existing four posts telescopic ladder
Still larger, the materials of ladder are directly connected to the cost of manufacture of ladder, and the big ladder of materials, its cost is just high, its resource
Utilization rate is just low.
Publication No. CN202945990U Chinese utility model patent discloses a kind of single terraced staircase, and ladder, which is helped, to be designed to
It is single, centre position is arranged on, step two ends are bent up upwards, the equidistant ladder that is fixedly mounted on is helped, and helps vertical with ladder, step
The equal length on both sides is helped in ladder, foot of ladder is designed to down Y-shaped, be fixedly mounted on the lower end that ladder is helped, it is terraced by being designed to Y-shaped,
It is fixedly mounted on the upper end that ladder is helped.Although only using single column on making material, but certain material is saved, but anti-skidding
Aspect does not take appropriate measures, and still there is safety problem, while also oversize in the presence of terraced body, the problem of being unfavorable for storing.
Publication No. CN103375127A Chinese invention patent discloses a kind of portable folding single-column ladder, cleat stanchion top
End is this uniform pedal below upper beam, upper beam, and cleat stanchion bottom is bottom girder, and upper beam, pedal, bottom girder are connected to slack adjuster
On cleat stanchion, pedal outer end is provided with uniform anti-skid stud under convex gear, bottom girder.Although being improved to some extent at anti-skidding aspect, terraced body is oversize,
It is unfavorable for storing.
The content of the invention
The technical problems to be solved by the invention are：A kind of single-column grafting ladder for supporting oneself anti-skidding by base is provided, can be certainly
Vertical, without being that can be used by wall, base is consolidated, and terraced body can shorten, good to store, and small volume saves material.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of single-column grafting ladder for supporting oneself anti-skidding by base, including base, cleat stanchion and pedal, the base include a horizontal stroke
The inclined first sleeve upward of bar, two support arms and one, one end of the support arm and an end of the cross bar connect
Connect, the equal horizontal positioned of cross bar and support arm is contacted with ground, the cross bar and two support arm composition U-shaped, the bottom
Upwardly extended in the middle part of the cross bar of seat provided with first sleeve, the first sleeve is from bottom to top to the U-shaped openings of the base
To inclination, the downward projection of the first sleeve is parallel to two support arms of the base, and the lower end of the cleat stanchion is plugged on
In the first sleeve, at least two pedal is staggered in the left and right sides of the cleat stanchion.
The beneficial effects of the present invention are：A cross bar and two support arms for base is contacted with ground in horizontal positioned
U-shaped, the width that makes base be contacted with ground is wider, length is longer, and base contacts firm with ground；First sleeve is inclined upwardly
Set, and first sleeve incline direction towards two support arm directions of base, then the U-shaped part of base and first sleeve
Overall downward projection be shaped as mountain font, the lower end of cleat stanchion is plugged in first sleeve, cleat stanchion be connected with base after side
Projection of shape is ∠ shapes, extension ladder is reached the effect of self-support, cleat stanchion is without being that can be used by wall, naturally it is also possible to by ladder
Post upper end is used by wall, can more be consolidated；Pedal is staggered installation of in the left and right sides of cleat stanchion, left and right castor stream is trampled in cleat stanchion
Pedal on climb extension ladder, it is rational in infrastructure.
Brief description of the drawings
Fig. 1 is the terraced structural representation of the single-column grafting anti-skidding by base self-support of the embodiment of the present invention；
The structural representation that Fig. 2 is connected for the cross bar of the embodiment of the present invention with first sleeve；
Fig. 3 is the cleat stanchion lower end of the embodiment of the present invention and the sectional view of base engagement；
Fig. 4 is the cleat stanchion lower end of the embodiment of the present invention and the sectional view of base engagement；
The top view that Fig. 5 is connected for the cross bar of the embodiment of the present invention with support arm.
Label declaration：
1st, base；2nd, cleat stanchion；3rd, pedal；4th, ladder is leaned on；
11st, first sleeve；12nd, cross bar；13rd, support arm；14th, the second sleeve pipe；
131st, annulus part；132nd, night bolt；
21st, column；22nd, the 3rd sleeve pipe.
Embodiment
To describe technology contents, the objects and the effects of the present invention in detail, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：Base is u-shaped with ground contact portion, to updip in the middle part of the cross bar of base
Tiltedly extension is provided with the first sleeve for grafting cleat stanchion, grafting ladder is supported oneself, and understructure is firm.
Fig. 1 to Fig. 5 is refer to, leans on the anti-skidding single-column grafting of base self-support terraced the invention provides a kind of, including base 1,
Cleat stanchion 2 and pedal 3, the base 1 include a cross bar 12, two support arms 13 and one inclined first sleeve 11 upward,
One end of the support arm 13 is connected with an end of the cross bar 12, the equal horizontal positioned of the cross bar 12 and support arm 13 with
Ground is contacted, the cross bar 12 and two composition U-shaped of support arm 13, and the middle part of cross bar 12 of the base 1, which is upwardly extended, to be provided with
First sleeve 11, the first sleeve 11 is tilted to the U-shaped opening direction of the base 1 from bottom to top, the first sleeve
11 downward projection is parallel to two support arms 13 of the base 1, the U-shaped part of base 1 and the entirety of first sleeve 11
Downward projection is shaped as mountain font, and the lower end of the cleat stanchion 2 is plugged in the first sleeve 11, after cleat stanchion 2 is connected with base 1
Side projection be shaped as ∠ shapes, ladder uses single cleat stanchion 2, and the cleat stanchion 2 is made up of the grafting of column 21 of at least two sections, extremely
Few two pedal 3 is staggered in the left and right sides of the cleat stanchion 2.
The beneficial effects of the present invention are：The U-shaped portion of base 1 point is overall to be contacted with ground, base 1 is supported cleat stanchion 2 more
It is firm, first sleeve 11 is set, is easy to the grafting of cleat stanchion 2, the lower end of cleat stanchion 2 is plugged in first sleeve 11, makes grafting ladder can
To reach the effect of self-support, cleat stanchion 2 is without being that can be used by wall, naturally it is also possible to the upper end of cleat stanchion 2 is used by wall, ladder is widened
Use scope；First sleeve 11 makes center of gravity be difficult to deviate base 1, ladder is used safer, bottom located at the middle part of cross bar 12
First sleeve 11 on seat 1 is inclined upwardly setting, and the cleat stanchion 2 of insertion is also at heeling condition, is easy to human body to climb, the court of cleat stanchion 2
Support arm 13 is tilted, and part gravity is undertaken by support arm 13, and ladder is firm to topple over, and cleat stanchion 2 uses single-column structure, makes ladder
Son makes more material saving, light, is set using the cleat stanchion 2 of grafting, easy to disassemble, beneficial to storing, transport, and pedal 3 is staggered installation of
In the left and right sides of cleat stanchion 2, trample left and right castor stream and climbed on the pedal 3 of cleat stanchion 2, it is rational in infrastructure, while also saving one
The materials of half pedal 3, reduce ladder weight, cost-effective.
Further, the width of the cross bar 12 is more than the overall width after the cleat stanchion 2 and the connection of pedal 3.
Seen from the above description, the width of the cross bar 12 of base 1 is more than the overall width after cleat stanchion 2 is connected with pedal 3, makes to insert
Connect ladder wider with ground contact width, support arm 13 and cross bar 12 are generally aligned in the same plane interior, support arm 13 and the composition U-shaped of cross bar 12
Contacted after shape with ground, base 1 is rational in infrastructure, grafting ladder is contacted firm with ground；First sleeve 11 is located in cross bar 12
Portion, when cleat stanchion 2 is plugged in first sleeve 11, makes the stress balance of base 1 or so.
Further, Fig. 3 and Fig. 4 be refer to, the first sleeve 11 and cross bar 12 are pipe fitting, the cross bar 12 it is interior
Hole is connected with the endoporus of the first sleeve 11, and the lower end of the cleat stanchion 2 is cut into fits with the inner hole wall shape of the cross bar 12
Match somebody with somebody, the cleat stanchion 2 is inserted in the first sleeve 11, and be inserted in the endoporus of the cross bar 12.
Seen from the above description, the lower end of cleat stanchion 2 is not only inserted in first sleeve 11, and the endoporus of cross bar 12 is stretched into also grafting
In, making the active force of cleat stanchion 2 can not only act in first sleeve 11, can also act in cross bar 12 and conduct to ground, make
More preferably, the center of gravity of cleat stanchion 2 is lower for the bearing capacity of base 1, and ladder entirety stress is more preferable.
Further, the support arm 13 is connected with the end of the cross bar 12 by latch.
Seen from the above description, support arm 13 is connected with cross bar 12 by latch, support arm 13 is torn open from cross bar 12
Unload down, after cross bar 12 is decomposed with support arm 13, the length shared by base 1 is shortened, making ladder, also reliable wall is used, and is also convenient for
The storage and transport of base 1.
Further, the end vertical of the cross bar 12 is welded with the second sleeve pipe 14, one end grafting of the support arm 13
It is connected in second sleeve pipe 14, and by latch with second sleeve pipe 14.
Seen from the above description, the end of cross bar 12 is welded with the second sleeve pipe 14, and support arm 13 is plugged on the second sleeve pipe 14
It is interior, and be connected by latch with the second sleeve pipe 14, the positioning to support arm 13 is realized by the second sleeve pipe 14, makes support arm 13 can
Quickly connect or separate with cross bar 12；Support arm 13 is also connected by latch with the second sleeve pipe 14, realizes support arm 13 and second
The quick firm connection of sleeve pipe 14.
Further, the cleat stanchion 2, first sleeve 11, cross bar 12, the sleeve pipe 14 of support arm 13 and second are square tube.
Seen from the above description, cross bar 12, the sleeve pipe 14 of support arm 13 and second are square tube, base 1 is contacted with ground
Area is big, and contact is firm, it is not easy to upset and slip；First sleeve 11 and cleat stanchion 2 are also square tube, can be real by square-section
Now to the quick positioning of cleat stanchion 2, and make convenient, save material.
Further, the support arm 13 includes passing through between the annulus part 131 being socketed layer by layer, adjacent annulus part 131
Night bolt 132 is positioned.
Seen from the above description, support arm 13 is the annulus part 131 being socketed layer by layer, support arm 13 itself is had flexible work(
Can, base 1 is reduced length, be easy to store and transport；Adjacent annulus part 131 is positioned by night bolt 132,
Make stabilized structure between adjacent annulus part 131.
Further, the positioning of a night bolt 132 is equipped with positioned at the outside of each annulus part 131 of internal layer
Hole, is equipped with the sliding groove of a night bolt 132 on each annulus part 131 of outer layer.
Seen from the above description, the sliding groove on the annulus part 131 of outer layer can allow night bolt 132 to be moved along sliding groove
Dynamic, guide springs latch 132 is inserted in the positioning hole of the annulus part 131 of internal layer exactly, realizes the annulus positioned at outer layer
Part 131 and the precise positioning between the annulus part 131 of internal layer.
Further, the cleat stanchion 2 includes the sleeve pipe 22 of column 21 and the 3rd that more piece is spliced mutually, column 21 described in more piece
It is sequentially connected and lines up in-line, the upper end of a column 21 passes through under the 3rd sleeve pipe 22 and another column 21
End connection.
Seen from the above description, it is attached between two adjacent columns 21 by the 3rd sleeve pipe 22, adjacent two
The cross sectional shape of column 21 is identical, and the upper end of one of column 21 is plugged on the bottom of the 3rd sleeve pipe 22, another column 21
Lower end be plugged on the top of the 3rd sleeve pipe 22, make more piece column 21 mutually splicing and split rapid and convenient, be easy to grafting ladder
Store with transporting, the length of the 3rd sleeve pipe 22 is longer, connects more firm between two adjacent columns 21.
Further, in addition to terraced by 4, the ladder leans on 4 upper ends for being fixed on the cleat stanchion 2, and vertical with the cleat stanchion 2
Set.
Seen from the above description, ladder is vertically connected with the upper end of cleat stanchion 2 and leans on 4, grafting ladder is supported oneself and uses, also reliably
Wall is used, using flexible.
Fig. 1 to Fig. 4 is refer to, embodiments of the invention one are：
A kind of single-column grafting ladder for supporting oneself anti-skidding by base, including base 1, cleat stanchion 2 and pedal 3, the base 1 include one
The inclined first sleeve 11 upward of individual cross bar 12, two support arms 13 and one, one end and the cross bar of the support arm 13
12 end connection, the equal horizontal positioned of the cross bar 12 and support arm 13 is contacted with ground, the cross bar 12 and two branch
Brace 13 constitutes U-shaped, and the middle part of cross bar 12 of the base 1 is upwardly extended provided with first sleeve 11, and the first sleeve 11 is certainly
Tilted on down to the U-shaped opening direction of the base 1, the downward projection of the first sleeve 11 is parallel to the base 1
Two support arms 13, the lower end of the cleat stanchion 2 is plugged in the first sleeve 11, and at least two pedal 3 is in institute
The left and right sides for stating cleat stanchion 2 is staggered.
Fig. 1 to Fig. 4 is refer to, embodiments of the invention two are：
A kind of single-column grafting ladder for supporting oneself anti-skidding by base, on the basis of embodiment one, the width of the cross bar 12 is big
Overall width after the cleat stanchion 2 and pedal 3 are connected；The first sleeve 11 and cross bar 12 are pipe fitting, the cross bar 12
Endoporus is connected with the endoporus of the first sleeve 11, and the lower end of the cleat stanchion 2 cuts into the inner hole wall shape with the cross bar 12
Adaptation, the cleat stanchion 2 is inserted in the first sleeve 11, and is inserted in the endoporus of the cross bar 12.
Fig. 1 to Fig. 4 is refer to, embodiments of the invention three are：
It is a kind of to be supported oneself anti-skidding single-column grafting ladder by base, on the basis of embodiment two, the support arm 13 with it is described
The end of cross bar 12 is connected by latch；The end vertical of the cross bar 12 is welded with the second sleeve pipe 14, the support arm 13
One end is plugged in second sleeve pipe 14, and is connected by latch with second sleeve pipe 14；Preferably, the cleat stanchion 2,
Sleeve 11, cross bar 12, the sleeve pipe 14 of support arm 13 and second are square tube.
Fig. 1 to Fig. 5 is refer to, embodiments of the invention four are：
A kind of single-column grafting ladder for supporting oneself anti-skidding by base, on the basis of embodiment two, the support arm 13 includes layer
Positioned between the annulus part 131 of layer socket, adjacent annulus part 131 by night bolt 132, positioned at each institute of internal layer
The outside for stating annulus part 131 is equipped with the positioning hole of a night bolt 132, on each annulus part 131 of outer layer
It is equipped with the sliding groove of a night bolt 132.Night bolt 132 can be allowed along cunning positioned at the sliding groove of the annulus part 131 of outer layer
Dynamic groove movement, guide springs latch 132 is inserted exactly realizes positioning in the positioning hole of the annulus part 131 of internal layer.
Fig. 1 to Fig. 5 is refer to, embodiments of the invention five are：
A kind of single-column grafting ladder for supporting oneself anti-skidding by base, on the basis of embodiment one, two, three or four, the cleat stanchion 2
The sleeve pipe 22 of column 21 and the 3rd spliced mutually including more piece, column 21 described in more piece, which is sequentially connected, lines up in-line, an institute
The upper end for stating column 21 is connected by the 3rd sleeve pipe 22 with the lower end of another column 21；Also include ladder and lean on 4, the ladder
It is vertically arranged by 4 upper ends for being fixed on the cleat stanchion 2, and with the cleat stanchion 2.
Support oneself in use, support arm 13 is plugged in the second sleeve pipe 14 of the end of cross bar 12, and fixed with latch, or
The annulus part 131 being socketed layer by layer is all pulled out, with the setting circle ring 131 of night bolt 132, makes the U-shaped portion point of base 1 all the time
Contact, the lower end of cleat stanchion 2 is plugged in first sleeve 11, connected between adjacent column 21 by the 3rd sleeve pipe 22 with ground,
The splicing composition cleat stanchion 2 of more piece column 21, pedal 3 is fixedly connected with the left and right side of column 21, and people steps down in climb upwards on pedal 3
Climb.
By wall in use, support arm 13 is withdrawn from the second sleeve pipe 14, or the annulus part 131 being socketed layer by layer is contracted
Return, then lean against ladder on wall by 4, realize being used by wall for grafting ladder, this applications are in the use space of grafting ladder
Less, it is not easy to the occasion of the expansion of base 1.
In summary, the single-column grafting ladder for supporting oneself anti-skidding by base that the present invention is provided, by being in U with ground contact portion
The base 1 of shape is contacted with ground, and the U-shaped portion point of base 1 support arm 13 and cross bar 12 can Fast Installation with separating, be easy to
The Fast Installation of base 1 is used and stored and transports, and cleat stanchion 2 is positioned by the first sleeve 11 being obliquely installed, and is led to
The second sleeve pipe 14 positioning support arm 13 is crossed, the annulus part 131 being socketed by latch or layer by layer is easy to the storage of support arm 13, led to
The splicing that the 3rd sleeve pipe 22 realizes more piece column 21 is crossed, the scalable of cleat stanchion 2 is realized, makes the cleat stanchion 2 of grafting ladder scalable, base
1 can split or flexible, be easy to store and transport, can support oneself and use, also reliable wall is used, grafting ladder uses pipe or square tube
Make, make making convenient, save material.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, or the technical field of correlation is directly or indirectly used in, similarly include
In the scope of patent protection of the present invention.
Claims (9)
1. a kind of single-column grafting ladder for supporting oneself anti-skidding by base, it is characterised in that including base, cleat stanchion and pedal, the base
Including the inclined first sleeve upward of a cross bar, two support arms and one, one end of the support arm and the cross bar
One end connection, the equal horizontal positioned of cross bar and support arm is contacted with ground, the cross bar and two support arm composition U-shaped
Upwardly extended in the middle part of shape, the cross bar of the base provided with first sleeve, the first sleeve is from bottom to top to the U-shaped of the base
Shape opening direction is tilted, the downward projection of the first sleeve parallel to the base two support arms, under the cleat stanchion
End is plugged in the first sleeve, and at least two pedal is staggered in the left and right sides of the cleat stanchion.
2. the single-column grafting ladder according to claim 1 for supporting oneself anti-skidding by base, it is characterised in that the width of the cross bar
More than the overall width after the cleat stanchion and pedal connection.
3. according to claim 2 support oneself anti-skidding single-column grafting ladder by base, it is characterised in that the first sleeve and
Cross bar is pipe fitting, and the endoporus of the cross bar is connected with the endoporus of the first sleeve, and the lower end of the cleat stanchion is cut into and institute
The inner hole wall shape adaptation of cross bar is stated, the cleat stanchion is inserted in the first sleeve, and is inserted in the endoporus of the cross bar and horizontal stroke
Bar bottom is contacted.
4. the single-column grafting ladder for supporting oneself anti-skidding by base according to Claims 2 or 3, it is characterised in that the support arm
It is connected with the end of the cross bar by latch.
5. the single-column grafting ladder according to claim 4 for supporting oneself anti-skidding by base, it is characterised in that the end of the cross bar
The second sleeve pipe is vertically welded with, one end of the support arm is plugged in second sleeve pipe, and passes through latch and described second
Sleeve pipe connection.
6. the single-column grafting ladder according to claim 5 for supporting oneself anti-skidding by base, it is characterised in that the cleat stanchion, first
Sleeve pipe, cross bar, support arm and the second sleeve pipe are square tube.
7. the single-column grafting ladder for supporting oneself anti-skidding by base according to Claims 2 or 3, it is characterised in that the support arm
Including the annulus part being socketed layer by layer, positioned between adjacent annulus part by night bolt, positioned at each described of internal layer
The positioning hole of a night bolt is equipped with the outside of annulus part, a bullet is equipped with each annulus part of outer layer
The sliding groove of spring latch.
8. the single-column grafting ladder according to claim 1 for supporting oneself anti-skidding by base, it is characterised in that the cleat stanchion includes many
The column and the 3rd sleeve pipe spliced mutually is saved, column described in more piece, which is sequentially connected, lines up in-line, the upper end of a column
It is connected by the 3rd sleeve pipe with the lower end of another column.
9. the single-column grafting ladder according to claim 1 for supporting oneself anti-skidding by base, it is characterised in that also leaned on including ladder, institute
Ladder is stated by being fixed on the upper end of the cleat stanchion, and is vertically arranged with the cleat stanchion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437258.1A CN107269217A (en) | 2017-06-12 | 2017-06-12 | A kind of single-column grafting ladder for supporting oneself anti-skidding by base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437258.1A CN107269217A (en) | 2017-06-12 | 2017-06-12 | A kind of single-column grafting ladder for supporting oneself anti-skidding by base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107269217A true CN107269217A (en) | 2017-10-20 |
Family
ID=60066155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710437258.1A Pending CN107269217A (en) | 2017-06-12 | 2017-06-12 | A kind of single-column grafting ladder for supporting oneself anti-skidding by base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269217A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331931A (en) * | 2019-07-04 | 2019-10-15 | 国家电网有限公司 | Inspection special isolation volume ladder in transformer tank body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2744674A (en) * | 1954-09-21 | 1956-05-08 | John E Smith | Sectional ladder |
| EP1447520A3 (en) * | 2003-02-11 | 2005-05-11 | James Thomas Weston | Ladder Accessory |
| CN102199988A (en) * | 2011-03-23 | 2011-09-28 | 李彩琴 | Oiling device with portable ladder |
| CN203846984U (en) * | 2014-06-01 | 2014-09-24 | 任永斌 | Single ladder with inclined pulling ropes |
| CN204571802U (en) * | 2015-04-27 | 2015-08-19 | 尚滋萱 | A kind of forestry ladder |
| CN205560147U (en) * | 2016-04-12 | 2016-09-07 | 街电科技有限公司 | Support for electronic device |
-
2017
- 2017-06-12 CN CN201710437258.1A patent/CN107269217A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2744674A (en) * | 1954-09-21 | 1956-05-08 | John E Smith | Sectional ladder |
| EP1447520A3 (en) * | 2003-02-11 | 2005-05-11 | James Thomas Weston | Ladder Accessory |
| CN102199988A (en) * | 2011-03-23 | 2011-09-28 | 李彩琴 | Oiling device with portable ladder |
| CN203846984U (en) * | 2014-06-01 | 2014-09-24 | 任永斌 | Single ladder with inclined pulling ropes |
| CN204571802U (en) * | 2015-04-27 | 2015-08-19 | 尚滋萱 | A kind of forestry ladder |
| CN205560147U (en) * | 2016-04-12 | 2016-09-07 | 街电科技有限公司 | Support for electronic device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110331931A (en) * | 2019-07-04 | 2019-10-15 | 国家电网有限公司 | Inspection special isolation volume ladder in transformer tank body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100523418C (en) | Safety guard bar system | |
| US6095950A (en) | Playground equipment comprising upright posts | |
| US20090121114A1 (en) | Tree stand | |
| CN107269217A (en) | A kind of single-column grafting ladder for supporting oneself anti-skidding by base | |
| CN202416823U (en) | Aerial work platform | |
| CN105804633A (en) | Auxiliary device and multifunctional climb ladder with same | |
| CN204646072U (en) | upright fire-fighting ladder | |
| CN205606376U (en) | Lifting street lamp | |
| CN209603868U (en) | A kind of upper people's ladder of foldable folding and unfolding | |
| CN104727740B (en) | Examination and repair for high-pressure circuit ladder | |
| CN107217904A (en) | A kind of anti-climbing high-performance Guywire tower | |
| CN204571810U (en) | Upright Special fire-fighting ladder | |
| CN107044256B (en) | A kind of single-column Telescopic anti-slip ladder | |
| CN104806159A (en) | Special vertical ladder for fire fighting | |
| CN104763317A (en) | Firefighting upright special-purpose ladder | |
| CN104763314B (en) | Garden ladder | |
| CN204984235U (en) | Maintenance circuit is ladder upright | |
| CN204571811U (en) | The upright special-purpose ladder of fire-fighting | |
| JPH09256764A (en) | Ladder fixing means | |
| CN107100534A (en) | A kind of anti-sliding folding single-column ladder | |
| CN204571816U (en) | Maintenance high-tension line ladder | |
| CN204646074U (en) | Prune ladder for garden | |
| CN204571801U (en) | Gardens pruning ladder | |
| CN204571815U (en) | Gardens pruning ladder | |
| CN104727736B (en) | Gardens pruning ladder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171020 |