CN101509348A - Single-column lean ladder and manufacture and use method thereof - Google Patents
Single-column lean ladder and manufacture and use method thereof Download PDFInfo
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- CN101509348A CN101509348A CNA2009100966815A CN200910096681A CN101509348A CN 101509348 A CN101509348 A CN 101509348A CN A2009100966815 A CNA2009100966815 A CN A2009100966815A CN 200910096681 A CN200910096681 A CN 200910096681A CN 101509348 A CN101509348 A CN 101509348A
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Abstract
The invention relates to a single-pole leaning ladder, belonging to climbing tools. The single-pole leaning ladder comprises a ladder column, a pedal, an anti-turning slip joint at the top, and an anti-turning slip concave joint at the bottom. The single-pole leaning ladder is characterised in that the ladder column is a flat rectangular straight tube; the flat rectangular straight tube formed by lapping a plurality of inner bushings and outer bushings that can be matched by mutual moving and offsetting and are locked by a pedal block, relying on a pedal block jack. The pedal, the anti-turning slip joint at the top, the anti-turning slip concave joint at the bottom and the ladder column are respectively connected in a demountable way and are locked by pins. In normal times, the single-pole leaning ladder is packaged or cased in demounted status; the single-pole leaning ladder is lapped to be assembled in site operation. Compared with various leaning ladders of the prior art, the single-pole leaning ladder has simple and rational structure, simple production, excellent leaning safety and reliability; height of the single-pole leaning ladder can be changed according to operation requirement; assembling and demounting of the single-pole leaning ladder are simple; and warehousing, transporting and carrying of the single-pole leaning ladder are fairly convenient; the single-pole leaning ladder can be widely employed in climbing work of various sites; thus, the single-pole leaning ladder has fairly excellent practicability.
Description
Technical field
The invention belongs to the climbing instrument, particularly ladder.
Background technology
Ladder is the indispensable instruments of ascending a height of people.Lean ladder then is the simplest, the most common in the various ladders, that the most widely use a kind of.The lean ladder of prior art, all step on the fixing assembling of shelves and make one with two bamboo and woods or metal upright post and plurality of cross bars, there is terraced height and heaviness, inconvenience is carried in carrying, take up space very much when depositing, and set up when using, because of each length that puts up a ladder is fixed immutable, climb when the aspect ratio ladder grows tall and can't reach, and the aspect ratio ladder has been grown too much low can not lean on use.For this reason, when going out operation, often must use when climbing differing heights with going up one group of ladder that length has nothing in common with each other to adapt to as the employee of electric power, communication, gardens department.At above-mentioned these problems, constantly there are the various inventions that relate to lean ladder to come out both at home and abroad, with deficiency and the defective that overcomes traditional two post lean ladders.Chinese patent ZL01257708.1 " orchard, open side type flower garden ladder " then adopts to change two traditional post lean ladders into " single-column " ladder, uses to make things convenient for the such particular place in orchard, flower garden.This technical scheme surely belongs to original creation, but the length after making is still immutable, use professional, belong to sex-limited by force again, use can't be set up in other places at all except that the orchard, flower garden, its general structure is then than two post lean ladders complexity also, so be difficult to apply.
Summary of the invention the object of the invention provides a kind of simple in structure for manufacturing, can disassemble packing when not using, and deposits, carries, carries very convenient; By the scene needs, shaped by lapping all was easy to and adorn, tear open on the spot when use was ascended a height, and can set up the single-column lean ladder and the method for manufacture and use thereof of use in the ascend operation of various occasions.
Concrete technical scheme of the present invention is such: a kind of single-column lean ladder, comprise cleat stanchion, step on shelves, the anti-slip joint of rolling in top, the anti-collapsible connector down that slides that rolls in bottom, it is characterized in that: described cleat stanchion is one and is furnished with the socket that misplaces of the inner sleeve of stepping on grade jack that the two sides connects and outer tube interaction by the bigger corresponding surface of some joints both sides area and matches, dependence is stepped on grade jack with stepping on the flat rectangle straight tube that shelves lock, the pipeline section quantity of inside and outside sleeve pipe, with total lap length difference, divide specification to determine; The described shelves of stepping on, for some cross section peripheral shape with step on short tube, the stub that the movable plug of grade jack matches; The anti-slip joint of rolling in described top is that vertical section can be connected with the movable plug in cleat stanchion top, and the flexible anti slip "T"-shaped joint of slip accessory of rolling of silently or thereon setting up defences is established at the horizontal segment two ends; The anti-collapsible connector down that slides that rolls in described bottom is for vertical section can be connected horizontal segment two ends and the "T"-shaped joint of setting up defences and sliding and sink accessory or make with insulation materials with the ground contacting part position with the movable plug in cleat stanchion bottom.
The manufacture method of described single-column lean ladder, it is characterized in that: in the composition cleat stanchion, outer tube is made with hard aluminium alloy or the flat rectangle square tube of stainless steel section bar that energy interaction dislocation socket matches, remove and go up a joint outer tube most, the length of next joint inner sleeve is partly stepped on a grade spacing with one-level and is equated, only on a side bisectrix, establish stepping on outside grade jack that a two sides connects between two parties with the casing length trisection, in all the other every joints, the length of outer tube all equates with the spacing that two-stage is stepped on shelves, and is centered in grade jack of stepping on that will be on the both sides bisectrix of the casing length quartering respectively establish a two sides perforation between two parties; The described shelves of stepping on, with the cross section peripheral shape with step on identical hardwood that matches of grade jack or metal short tube or rod and make, the inside and outside sleeve pipe that length and one-level are partly stepped on grade spacing is suitable, the both sides outer wall of movable plug matching part is established respectively and can be guaranteed to insert the flange that puts in place and prevent the pin hole of slippage with the wedge-shaped bolt locking, and the handle of being convenient to grasped cooperation climbing is established at two ends; The anti-slip joint of rolling in described top, by a segment length with step on shelves quite, another segment length equals half grade of flat rectangle square tube section bar of stepping on the making cleat stanchion inner sleeve of grade spacing, "T"-shaped joint through being welded, horizontal segment two of this "T"-shaped joint, be fixed with the anti-slip made from rubber, foamed plastics type flexible material silently, or the slip accessory that rolls of setting up defences thereon, its vertical section is provided with and the pin hole of going up most after the joint outer tube socket with latch locking; The anti-collapsible connector down that slides that rolls in described bottom, by a segment length with step on shelves quite, another segment length equals half grade of flat rectangle square tube section bar of stepping on the making cleat stanchion outer tube of grade spacing, "T"-shaped joint through being welded, horizontal segment two of this "T"-shaped joint also is fixed with flexible anti and slides silently, during special operation, horizontal segment can whole be used insulation materials instead and is made, the vertical section of this "T"-shaped joint be provided with next joint inner sleeve socket after with the pin hole of latch locking.In addition, mix suitable extranal packing box or bag, cover, band again, the manufacturing of this programme single pole lean ladder is just accused and is finished.
The ladder of overlap joint is long more, and cleat stanchion is stressed big more when leaning on operation, and rigidity must remain unchanged.For the single-column lean ladder that makes various different length specifications all reaches not only light and handy, can save material but also guarantee to lean on the safe and reliable of use, feed intake make before, the maximum weighted that should set when the highest overlap height by the different size single-column lean ladder, calculate and real examination after select for use the flat rectangle square tube section bar of corresponding hardness and specification to make the inside and outside sleeve pipe of cleat stanchion.
For industry departments such as electric power, communication, installation, gardens, use lean ladder except that rigidity, intensity, height requirement are arranged, reliability, the insulating properties that lean on the position are also had special requirement.As a further improvement on the present invention, this single-column lean ladder adds the anti-slip joint accessory that rolls in the top of being furnished with a cover special shape structure and purposes in addition, and the anti-collapsible connector down that slides that rolls in bottom that horizontal segment is made of insulation materials.Go up electric pole, trees, out-of-flatness wall when ascending a height or during,, just can satisfy different industries, different work reliably and the specific (special) requirements of security performance single-column lean ladder as long as select to use corresponding accessory with the operation of charged gauze contact site.
The using method of described single-column lean ladder is characterized in that: do not use when ascending a height, with the packing of accessory in addition of disassembling, or vanning is deposited, is carried and carry; Press the field operation needs during use, on the spot shaped by lapping.During the overlap joint operation, earlier next joint length is the end that inner sleeve that one-level is partly stepped on grade spacing is established pin hole, insert the anti-vertical section of collapsible connector down that slides that rolls in "T"-shaped bottom, with latch both are connected as a single entity, get a joint length and be two-stage and step on the outer tube dislocation socket of grade spacing outside it, make the dislocation lap joint that connects on the inside and outside sleeve pipe to step on grade jack overlapping, and insert one and step on shelves, the back that puts in place locks with wedge-shaped bolt; Dislocation puts a joint two-stage and steps on the inner sleeve of grade spacing again, make this joint inner sleeve that sleeve gets on step on outer tube that grade jack links to each other with two joint sleeve pipes to step on grade jack overlapping, insert one again and step on shelves, use latch locking, make 3 to save inside and outside sleeve pipe and fuse.If total length and the required climbing of this moment are close highly, can be that one-level is partly stepped on the outer tube sleeve of grade spacing the higher authorities just with going up most a joint length, and make its step on grade jack and 3 inner sleeves that fuse of joint to step on grade jack overlapping, insert again one step on shelves with latch locking make it with preceding 3 the joint in, outer tube fuses, plug the anti-slip joint of rolling in "T"-shaped top then, is that outer tube that one-level partly step on grade spacing be connected with it with going up most a joint length with latch, and one one has three grades to step on shelves, overall height is that the high single-column lean ladder of level Four ladder has used with regard to overlapping to finish to lean on.If insufficient height needs lengthening, then pull out latch earlier and take off the anti-slip joint of rolling in "T"-shaped top, pull out wedge-shaped bolt again, extract uppermost one and step on shelves, taking off and going up a joint length most is the outer tube that one-level is partly stepped on grade spacing, change a joint two-stage and step on the outer tube of grade spacing, plugging one steps on shelves and uses latch locking, the joint two-stage of pegging graft is again stepped on the inner sleeve of grade spacing, plug one again and step on the shelves latch locking, to go up a joint one-level then most and partly step on the outer tube of grade spacing, step on the anti-slip joint socket locking same as before of rolling of shelves and "T"-shaped top for one, one one has Pyatyi to step on shelves, overall height is that six grades of high single-column lean ladders of ladder have been finished with regard to overlap joint.Seven grades step on shelves, overall height is that eight grades of ladders are high, nine grades step on shelves, overall height is that ten grades of ladders are high, or higher single-column lean ladder, all overlap joint forms like this.
When circuitous dependence position or object be not the plane, when obstacle, irregular or livewire work are arranged, then by on-the-spot concrete condition, select the anti-slip joint accessory or use the anti-collapsible connector overlap joint down that slides that rolls in bottom that insulation materials is made instead of rolling in suitable top for use, just can safely, reliably set up and lean on use.
Desire will be taken high single-column lean ladder and be changed low, as long as step on the inside and outside sleeve pipe of grade spacing by from top to bottom respectively taking down simultaneously a joint two-stage, all the time continue to keep use and go up a joint one-level most and partly step on the outer tube of grade spacing, just nine grades or the single-column lean ladder of stepping on shelves can be changed into seven grades more and step on shelves, Pyatyi and step on the single-column lean ladders that shelves, three grades are stepped on grade.Operation finishes, need carrying, when carrying or depositing, as long as fell single-column lean ladder, pull out all connection dead bolts and step on shelves, take off the anti-slip joint of rolling in top, behind the following collapsible connector of the anti-slip of rolling in bottom, with two "T"-shaped joints to plugging together also, internal and external casing with all segmentation dislocation sockets---neatly be nested, the shelves of stepping on that to pull up again inject each cannula cavity that neatly is nested respectively, mode of appearance after this single-column lean ladder is disassembled, just press the differing heights specification, become three joint one-levels and partly step on grade spacing and the plurality of sections two-stage is stepped on the sleeve pipe of grade spacing, can be easily with its bundle and package, or the spectacle case vanning of packing into, bag, the cover carrying, carry and deposited.
Described strap or spectacle case vanning, bag, cover, as an ingredient of the present invention, need have different cross section size, Different Weight, different sleeve pipe quantity according to the internal and external casing of the single-column lean ladder of various height specifications, respectively by the specification preparation, and, choose, select for use, deposit and carrying is carried with more convenient in clear title, specification, the model indicated of external surface.
Single-column lean ladder of the present invention is compared with the various lean ladders of prior art, simple and reasonable, easy to manufacture, can set up use in the various occasions of lean ladder that need, and, can overlap the dependence that is shaped on the spot by the different situations and the requirement of operation field during use, security reliability is good, highly can change at any time on demand, socket is shaped and disassembles all and is easy to, then disassembled packing when not using is deposited, carries, carries very convenient, and its practicality is very good.
Description of drawings
Fig. 1, single-column lean ladder overall structure schematic diagram;
Fig. 2, the anti-slip joint STRUCTURE DECOMPOSITION schematic diagram that rolls in cleat stanchion inner sleeve and top;
Fig. 3, the anti-joint design decomposing schematic representation that sink that slides that rolls in cleat stanchion outer tube and bottom;
Fig. 4 steps on the mark structure schematic diagram;
Fig. 5, horizontal segment connect the anti-slip joint schematic diagram that rolls in top of " L " type joint;
Fig. 6, horizontal segment set and can regulate the fixedly anti-slip joint schematic diagram that rolls in top of anchor ear;
Fig. 7 is furnished with the top of hook and prevents rolling the slip joint schematic diagram;
Fig. 8 is furnished with the top of colligation fixed band and prevents rolling the slip joint schematic diagram;
Fig. 9, the single-column lean ladder mode of appearance schematic diagram of disassembling the packing carrying or depositing.
Mark is as follows among the figure: 1-cleat stanchion; 2-outer tube; 3-inner sleeve; 4-step on shelves; The anti-collapsible connector down that slides that rolls in 5-bottom; 6-gentle matter is anti-slides silently; 7-connection latch; 7.1-connection pin hole; 8-handle; The anti-slip joint of rolling in 9-top; 10-step on shelves to insert the bead that puts in place; 11-wedge shape is stepped on a grade dead bolt; 11.1-step on a grade dead bolt hole; 12-" L " y junction ys; 13-can regulate fixedly anchor ear; 14-lean on and link up with; 15-binding fixed band; 16-step on a grade jack; 17-strap.
The specific embodiment is done concrete introduction below in conjunction with accompanying drawing to this programme single-column lean ladder embodiment:
The method of manufacture and use thereof of embodiment 1 universal single-column lean ladder
With 2A12 duralumin or the flat rectangle square tube of 7A09 superduralumin section bar, for making the materials of inside and outside sleeve pipe 3,2; The maximum weighted of setting during high overlap height by every kind of specification single-column lean ladder, calculate and try in fact the specification that flat rectangle square tube is determined in the back, and the nominal limit size of outer tube 2 is advisable to be not less than 100 * 80mm, and the specification of inner sleeve 3 is that benchmark calculates definite with outer tube 2 then; After intercepting the outer tube 2 and inner sleeve 3 of the partly terraced retaining gap length of one section one-level, plurality of sections two-stage ladder retaining gap length respectively, locate with mould, on the big corresponding surface one side bisectrix of both sides area with one-level half ladder retaining length pipeline section trisection, establish between two parties one connect step on grade jack 16; On the both sides bisectrix of the big corresponding surface length quartering of two areas of the inside and outside sleeve pipe 3,2 of all two ladder retaining length, that respectively establishes a perforation between two parties steps on grade jack 16; Each intercept a segment length with step on shelves 4 quite, a segment length flat rectangle square tube of two kinds of specifications that equals half grade of ladder retaining spacing and be provided with latch connecting through hole 7.1, correspondence is welded as "T"-shaped respectively, fixedly rubber-like is flexible anti-skidding silently 6 at "T"-shaped joint horizontal segment two ends again, makes the anti-anti-collapsible connector 5 down that slides that rolls of slip joint 9 and bottom that rolls in top.Good for the versatility, the interchangeability that make the inside and outside sleeve pipe of every joint, must guarantee during operation that the fit dimension of above-mentioned operation is accurate, joint is smooth, and the corresponding grade jack 16 of stepping on has concentricity.With cross section peripheral shape and internal and external casing 3,2 step on that grade jack 16 shapes are identical, the hardwood that can movable match or metal tube, rod, as making the materials of stepping on shelves 4, after grade quantity cuts by required the stepping on of specification, with step on grade jack 16 matching parts one side and establish and insert the bead 10 that puts in place, opposite side is established and is stepped on a grade dead bolt hole 11.1, grasps handle 8 is established at two ends, makes and steps on shelves 4.Then, press the different size model again, preparation wrapping case when disassembling, perhaps outsourcing encapsulation, bag, be with 17, the manufacturing of universal single-column lean ladder has just been finished.During use, only need select a single pole lean ladder package that specifications and models are suitable, open the box or outsourcing encapsulation, bag, be with 17, ascending a height by the scene needs the socket shaping, just can lean on and use.With finishing, as long as fell the single pole lean ladder, pull out all latches 7,11 and step on shelves 4, the single pole lean ladder has just become accessory in addition, and these are tied up or reload packing case, cover, bag after mutual merger of accessory in addition, just can carry and carry or deposited.
The method of manufacture and use thereof of embodiment 2 specific use single pole lean ladders
For satisfying the lean ladder that departments such as electric power, communication, installation, gardens use, to leaning on the specific (special) requirements of position shape and structure, insulating properties, present embodiment single pole lean ladder adopts on the basis of embodiment 1, increase the anti-anti-accessory going along with of collapsible connector 5 down that slides that rolls of slip joint 9 and bottom that rolls in the top of being furnished with the special construction shape, make this single pole lean ladder can be in various environments for use, the safe and reliable use of different industries work post.Concrete implementing method is: (1) increases and joins a secondary end for having sucked type flexible anti slip cushion block, the other end can with top " L " y junction y 12 that slip joint 9 horizontal segments match fixing of preventing rolling.In the time will resting on the operation of out-of-flatness wall, the flexible anti at the two ends of the anti-slip joint 9 of rolling in embodiment 1 top slided silently 6 take off, change a pair " L " y junction y 12, make the dependence position become 2 points that are provided with sucked type flexible anti slip cushion block, both increased the reliability of the smoothness and the antiskid of dependence, it is concavo-convex or have the obstruction position to lean on the ladder operation to cross over wall again; (2) increase and join the different radian sizes of several pairs, can in the long gain of the anti-slip joint 9 horizontal segment sides of rolling, default top, move and regulate the anchor ear of fixing 13.On will resting on electric pole, trees class cylinder rest, during operation, select the close anchor ear 13 of a secondary radian that electric pole, trunk class cylinder rest encircling type are fixed, can effectively prevent to lean on the position slippage; (3) increase and join going along with one secondary colligation, earlier fixed band is penetrated the colligation fixed belt hole that is preset in anti-slip joint 9 horizontal segments that roll in top when needing, be fixed up, carry out concrete operation again with colligation fixed band 15 and the colligation of dependence object with fixed band 15; (4) increase the hook 14 that to join one one end be double-screw bolt, when operation is climbed the tree in the area, gardens, earlier hook is fixed on the hook fixing threaded hole place that is preset in anti-slip joint 9 end faces that roll in top, to overlap good single pole lean ladder when ascending a height is hooked on the tree for the treatment of the operation trees and sticks, make the bottom following collapsible connector 5 of the anti-slip of rolling touch ground again, as long as the tree fork at hook position firmly, just can guarantee the terraced safety of using of operation of climbing the tree; (5) increase and join the anti-collapsible connector 5 down that slides that rolls in "T"-shaped bottom that a secondary horizontal segment is used the insulation materials manufacturing instead, for livewire work provides safe single pole lean ladder.Method is earlier half grade of vertical section outer tube of stepping on grade spacing to be welded on a two to be provided with on the flat board of fixing hole, be fixed on epoxy, the phenolic horizontal segment made of insulating material with four screws, form the anti-collapsible connector 5 down that slides that rolls in "T"-shaped bottom, change this "T"-shaped joint during livewire work, livewire work person on ladder, just can not form current loop, can be livewire work provides safety with terraced.
For above-mentioned these increase the special shape structure of joining and the accessory of purposes is deposited with easy to use, should be contained in the accessory bag of a special use standbyly, non-special operation just needn't carry, and domestic consumer does not then need to buy outfit.
Claims (9)
1. single pole lean ladder, comprise cleat stanchion, step on shelves, the anti-slip joint of rolling in top, the anti-collapsible connector down that slides that rolls in bottom, it is characterized in that: described cleat stanchion (1), it is an inner sleeve of stepping on a grade jack (16) (3) and outer tube (2) that is furnished with the two sides perforation by the bigger corresponding surface of some joints both sides area, interaction dislocation socket matches, and relies on to step on a grade jack (16) with stepping on the flat rectangle straight tube that shelves (4) lock; Described step on the anti-slip joint (9) of rolling in shelves (4), top, bottom anti-roll to slide be disassembled plug between the collapsible connector (5) and cleat stanchion (1) down and be connected, use latch (7,11) to lock respectively.
2. single pole lean ladder according to claim 1 is characterized in that: described internal and external casing (3,2) pipeline section and the quantity of stepping on shelves (4), and according to total lap length difference, divide specification to determine.
3. single pole lean ladder according to claim 1 is characterized in that: the anti-anti-accessory of collapsible connector (5) down that slides that rolls of slip joint (9) and bottom that rolls in top of being furnished with one group of special shape structure and purposes.
4. single pole lean ladder according to claim 1 is characterized in that: be furnished with strap (17) or special-purpose packing case, bag, cover.
5. the manufacture method of the described single pole lean ladder of claim 1 is characterized in that: the inside and outside sleeve pipe (3,2) of forming cleat stanchion (1) is made with the hard aluminium alloy or the flat rectangle square tube of the stainless steel section bar that can the movable mutually socket that misplaces match; Remove and to go up a joint outer tube (2) most, the length of next joint inner sleeve (3) equals the spacing that one-level is partly stepped on shelves, only on the big corresponding surface one side bisectrix of area, establish stepping on outside grade jack (16) that the two sides connects between two parties with the casing length trisection, the length of all the other each pipeline sections is equal to the spacing that two-stage is stepped on shelves, and that establishes all that the two sides connects on the big corresponding surface both sides of the area of every joint casing length quartering bisectrix respectively between two parties steps on a grade jack (16).
6. the manufacture method of single pole lean ladder according to claim 5, it is characterized in that the anti-slip joint (9) of rolling in described top, suitable with a segment length with one-level half ladder retaining spacing, another segment length equals the "T"-shaped joint that half grade of terraced flat rectangle square tube section bar that keeps off the making inner sleeve (3) of spacing made through welding, the top plug of its vertical section and cleat stanchion (1) matches, with connecting latch (7) locking; Its horizontal segment two ends are provided with anti-slide silently (6) of the gentle matter made with rubber type of material, or the horizontal segment corresponding site set up defences respectively slip accessory " L " y junction y (12), can regulate fixedly anchor ear (13), lean on hook (14), binding fixed band (15).
7. the manufacture method of single pole lean ladder according to claim 5, it is characterized in that the anti-collapsible connector (5) down that slides that rolls in described bottom, suitable with a segment length with one-level half ladder retaining spacing, another segment length equals the "T"-shaped joint that half grade of terraced flat rectangle square tube section bar that keeps off the making outer tube (2) of spacing made through welding, the bottom plug of its vertical section and cleat stanchion (1) matches, with connecting latch (7) locking, its horizontal segment two ends are provided with anti-slide silently (6) of the gentle matter made from rubber type of material, or use horizontal segment instead the insulation materials manufacturing.
8. the manufacture method of single pole lean ladder according to claim 5, it is characterized in that: the described shelves (4) of stepping on are with stepping on that a grade jack (16) can plug the hardwood that matches or metal stub, short tube is made on cross section peripheral shape and the inside and outside sleeve pipe (3,2), stepping on shelves (4) for every is provided with plug matching part one sidewall of stepping on a grade jack (16) and inserts the bead (10) that puts in place, opposite side is established and is stepped on a grade dead bolt hole (11.1), and two ends are provided with handle (8).
9. the using method of the described single pole lean ladder of arbitrary claim in the claim 1-8 is characterized in that: disassembles into other accessory when depositing or carrying and ties up with strap (17), or pack into special-purpose packing case, bag, cover; When wanting ascend operation, by the different situations at on-the-spot desired height and dependence position, the overlap joint assembling is shaped and comes into operation on the spot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100966815A CN101509348B (en) | 2009-03-16 | 2009-03-16 | Single-column lean ladder and manufacture and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100966815A CN101509348B (en) | 2009-03-16 | 2009-03-16 | Single-column lean ladder and manufacture and use method thereof |
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| CN101509348A true CN101509348A (en) | 2009-08-19 |
| CN101509348B CN101509348B (en) | 2011-11-09 |
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| CN2009100966815A Expired - Fee Related CN101509348B (en) | 2009-03-16 | 2009-03-16 | Single-column lean ladder and manufacture and use method thereof |
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Cited By (5)
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| CN104895480A (en) * | 2015-03-09 | 2015-09-09 | 邱兴伦 | Special garden trimming vertical ladder |
| CN105952366A (en) * | 2016-05-21 | 2016-09-21 | 成都育芽科技有限公司 | Aerial ladder for maintaining high-voltage power transmission tower |
| CN107298232A (en) * | 2017-08-24 | 2017-10-27 | 南京亚力电气有限公司 | Pole type transformer platform complete set of equipments integration packaging structure |
| CN109115881A (en) * | 2018-09-11 | 2019-01-01 | 章庆 | A kind of construction project examination auxiliary tool |
| CN109723369A (en) * | 2019-01-07 | 2019-05-07 | 河南嘉瑞电力工程有限公司 | A kind of pole ascending operation device and its step on bar method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5816362A (en) * | 1996-08-20 | 1998-10-06 | Jenkins, Jr.; Joseph Robert | Modular safety ladder system |
| US6360845B1 (en) * | 2000-06-08 | 2002-03-26 | Kenneth David Allison | Single stile ladder having dual adjustable leg supports |
| CN201125669Y (en) * | 2007-08-28 | 2008-10-01 | 姚希明 | Single upright pole stairs |
| CN201460693U (en) * | 2009-03-16 | 2010-05-12 | 林昌华 | Single-column leaning ladder |
-
2009
- 2009-03-16 CN CN2009100966815A patent/CN101509348B/en not_active Expired - Fee Related
Cited By (6)
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|---|---|---|---|---|
| CN104895480A (en) * | 2015-03-09 | 2015-09-09 | 邱兴伦 | Special garden trimming vertical ladder |
| CN105952366A (en) * | 2016-05-21 | 2016-09-21 | 成都育芽科技有限公司 | Aerial ladder for maintaining high-voltage power transmission tower |
| CN105952366B (en) * | 2016-05-21 | 2017-12-15 | 国网山东省电力公司滨州供电公司 | A kind of high-voltage power transmission tower maintenance aerial ladder |
| CN107298232A (en) * | 2017-08-24 | 2017-10-27 | 南京亚力电气有限公司 | Pole type transformer platform complete set of equipments integration packaging structure |
| CN109115881A (en) * | 2018-09-11 | 2019-01-01 | 章庆 | A kind of construction project examination auxiliary tool |
| CN109723369A (en) * | 2019-01-07 | 2019-05-07 | 河南嘉瑞电力工程有限公司 | A kind of pole ascending operation device and its step on bar method |
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|---|---|
| CN101509348B (en) | 2011-11-09 |
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