CN107191130B - A kind of foldable hanging ladder device - Google Patents

A kind of foldable hanging ladder device Download PDF

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Publication number
CN107191130B
CN107191130B CN201710628123.3A CN201710628123A CN107191130B CN 107191130 B CN107191130 B CN 107191130B CN 201710628123 A CN201710628123 A CN 201710628123A CN 107191130 B CN107191130 B CN 107191130B
Authority
CN
China
Prior art keywords
section
hanging ladder
fixed
wall
hole
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.)
Expired - Fee Related
Application number
CN201710628123.3A
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Chinese (zh)
Other versions
CN107191130A (en
Inventor
高宗华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Jiangxi Vocational and Technical College of Electricity
Original Assignee
State Grid Corp of China SGCC
Jiangxi Vocational and Technical College of Electricity
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Jiangxi Vocational and Technical College of Electricity filed Critical State Grid Corp of China SGCC
Priority to CN201710628123.3A priority Critical patent/CN107191130B/en
Publication of CN107191130A publication Critical patent/CN107191130A/en
Application granted granted Critical
Publication of CN107191130B publication Critical patent/CN107191130B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/34Ladders attached to structures, such as windows, cornices, poles, or the like
    • E06C1/36Ladders suspendable by hooks or the like
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/02Ladders in general with rigid longitudinal member or members
    • E06C1/38Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383Foldable ladders in which the longitudinal members are brought together on folding
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/48Ladder heads; Supports for heads of ladders for resting against objects
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/50Joints or other connecting parts

Abstract

The invention discloses a kind of foldable hanging ladder devices, are related to maintenance of equipment technical field.The foldable hanging ladder device includes mutually matched hanging ladder ontology and support construction, hanging ladder ontology can pass through support construction and the adjustable connection of wall, it can be convenient the angle effectively changed between hanging body ontology and wall, realize and facilitate staff or more ladder according to different situations.And hanging ladder ontology and support construction are folding structure, specifically, hanging ladder ontology includes the hinged hanging ladder component of at least two sections.Foldable hanging ladder apparatus structure is simple, and hanging ladder ontology and support construction are folding structure, conveniently moves, stores, repairing and loading and unloading, being used conveniently and safely;Hanging ladder ontology can meet the safety guarantee of staff by support construction and the adjustable connection of wall.

Description

A kind of foldable hanging ladder device
Technical field
The present invention relates to maintenance of equipment technical fields, in particular to a kind of foldable hanging ladder device.
Background technique
The existing ladder for being mainly used for the outer operation of window wall can be convenient people and realize for example electric power facility installation, sky Adjust the installation of installation, scouring exterior wall, clean glass window, flower stand, billboard etc..
But current ladder has the disadvantage in that and mostly uses the terraced structure of suspension greatly, in use, ladder is affixed on It is almost perpendicular to the ground on wall, cause maintenance personal difficult up and down;And integral structure is mostly used, be both inconvenient to move and is received It receives, as the considerations of damaging and being in safety coefficient is changed again leads to increased costs.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of foldable hanging ladder device, it is intended to solve in above-mentioned existing issue The ladder for the outer operation of window wall it is perpendicular to the ground, cause maintenance personal difficult up and down;And caused by integral structure Be inconvenient to move and store, maintenance cost increase etc. wasting manpower and material resources the problem of.
The embodiment of the present invention is achieved in that
A kind of foldable hanging ladder device, comprising: hanging ladder ontology, hanging ladder ontology include the hinged hanging ladder component of at least two sections, Hanging ladder component includes that two parallel arrangement of rod pieces and multiple intervals are connected to pedal between two rod pieces;Two section hanging ladder components The one end being located remotely from each other is respectively first end and second end;Support construction, support construction include two vertical poles being oppositely arranged with And the cross bar of two vertical poles of connection, vertical pole include the fixed section being successively rotationally connected, suspension section and adjusting section;Section is hung to use In the side wall against wall;Fixed section far from suspension section one end be equipped with fixed structure, fixed structure include fixed plate, pressing plate with Push rod;Fixed plate offers fixation hole, and push rod is used to pushing pressing plate close to or far from the another of fixed plate and wall through fixation hole One side wall squeezes;Wherein, first end is connect with the cross bar set on suspension section and close to one end of fixed section, second end and adjusting section Detachably connect.
Inventor's discovery: the existing ladder for being mainly used for the outer operation of window wall can be convenient people and realize for example electric power The installation of erection of equipment, air-conditioning installation, scouring exterior wall, clean glass window, flower stand, billboard etc..But current ladder exist with Lower disadvantage: mostly using greatly the terraced structure of suspension, and in use, ladder is affixed on almost perpendicular to the ground on wall, causes to repair people Member is difficult up and down;And mostly use integral structure, be both inconvenient to move and store, as damaging and being in safety coefficient The considerations of change again and lead to increased costs.
For above-mentioned situation is solved, inventor devises a kind of foldable hanging ladder device.The foldable hanging ladder device packet Include mutually matched hanging ladder ontology and support construction, hanging ladder ontology can be by support construction and the adjustable connection of wall, can be with Easily and effectively change the angle between hanging body ontology and wall, realizes and facilitate staff or more ladder according to different situations. And hanging ladder ontology and support construction are folding structure, specifically, hanging ladder ontology includes the hinged hanging ladder structure of at least two sections Part, hanging ladder ontology have first end and second end on along its length;The vertical pole of support construction includes successively rotationally phase Fixed section even, suspension section and adjusting section, wherein first end is connect for realizing fixed function with window on wall with fixed section, Second end is connect with section is adjusted, and suspension section is affixed on wall.In actual use, hanging ladder ontology, suspension section and adjusting section can Stable three-legged structure is collectively formed, it is ensured that hanging ladder using safe, avoid hanging ladder and be easy to occur under external force It rocks or even the case where the rupturing that fracture, affects the use of hanging ladder entirety.The foldable hanging ladder apparatus structure letter of product of the present invention Single, hanging ladder ontology and support construction are folding structure, conveniently move, store, repairing and loading and unloading, being used conveniently and safely;It hangs Terraced ontology can meet the safety guarantee of staff by support construction and the adjustable connection of wall.
In an embodiment of the present embodiment:
Fixed plate is fixedly connected with fixed section far from one end end of suspension section, and pressing plate and fixed section are slidably connected use It is moved between fixed plate, fixed section and the junction for hanging section.
In an embodiment of the present embodiment:
The pilot hole on along its length is offered on the periphery wall of fixed section, one end of pressing plate is equipped with to be slided with pilot hole The sliding block of cooperation;Plane where pressing plate is parallel with the plane where fixed plate.
In an embodiment of the present embodiment:
Pressing plate and suspension section are collectively formed the gap for clamping wall, pressing plate close to or far from fixed plate for increasing or Reduce gap.
In an embodiment of the present embodiment:
Fixed section and suspension section are hinged.
In an embodiment of the present embodiment:
Two sections of suspension sections being oppositely arranged are connected with depending post close to the end of fixed section, and the opposite both ends of depending post open up There is through-hole, fixed section is equipped with fit structure far from one end of fixed plate;Fit structure includes the matching hole for being opened in fixed section, with And the positioning pin through through-hole and matching hole;Matching hole is rotatably assorted with positioning pin, on the end of the stretching matching hole of positioning pin Also it is arranged with locking nut.
In an embodiment of the present embodiment:
It adjusts section and suspension section is hinged;It adjusts to offer on the periphery wall of section and be spaced apart along segment length direction along adjusting Multiple regulating parts being obliquely installed, second end optionally connect any of multiple regulating parts with adjust hanging ladder ontology with Hang the angle of section.
In an embodiment of the present embodiment:
Cross bar includes at least the loop bar of two section slidable connections, and one end that two section loop bars are located remotely from each other is respectively with opposite two The connection of root vertical pole.
In an embodiment of the present embodiment:
The first end of two vertical poles being oppositely arranged is respectively fixedly connected on two section loop bars.
In an embodiment of the present embodiment:
Push rod is in stepped cylindrical structure, has third end interconnected and the 4th end;The cross-sectional diameter at third end is big Cross-sectional diameter in the 4th end;Fixation hole in fixed plate is threaded hole, and third end is threadedly engaged with fixation hole, the 4th end and Pressing plate connection.
The embodiment of the present invention has the advantages that
The embodiment provides a kind of foldable hanging ladder devices.The foldable hanging ladder device includes mutually matched Hanging ladder ontology and support construction, hanging ladder ontology can be can be convenient and effectively be changed by support construction and the adjustable connection of wall Become the angle between hanging body ontology and wall, realizes and facilitate staff or more ladder according to different situations.And hanging ladder ontology It is folding structure with support construction, specifically, hanging ladder ontology includes the hinged hanging ladder component of at least two sections, hanging ladder ontology tool There are the first end and second end on along its length;The vertical pole of support construction includes the fixed section being successively rotationally connected, hangs Extension section and adjusting section, wherein first end is connect for realizing fixed function, second end and adjusting with window on wall with fixed section Section connection, suspension section are affixed on wall.In actual use, hanging ladder ontology, suspension section and adjusting section can be collectively formed surely Fixed three-legged structure, it is ensured that hanging ladder using safe, avoid hanging ladder and be easy to occur rocking or even fractureing under external force The case where rupture, affects the use of hanging ladder entirety.The foldable hanging ladder apparatus structure of product of the present invention is simple, hanging ladder ontology with Support construction is folding structure, conveniently moves, stores, repairing and loading and unloading, being used conveniently and safely;Hanging ladder ontology can pass through Support construction and the adjustable connection of wall, meet the safety guarantee of staff.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of foldable hanging ladder device in the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of hanging ladder ontology in the embodiment of the present invention;
Fig. 3 is the structural schematic diagram of support construction in the embodiment of the present invention;
Fig. 4 is the structural schematic diagram of fixed structure in the embodiment of the present invention.
Icon: the foldable hanging ladder device of 100-;10- wall;1- hanging ladder ontology;101- rod piece;102- pedal;103- first End;104- second end;2- support construction;201- vertical pole;2011- fixed section;2012- hangs section;2013- adjusts section;202- is horizontal Bar;3- fixed structure;301- fixed plate;302- pressing plate;303- push rod;3031- third end;The 4th end 3032-;4- regulating part.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if there are the instructions such as term " center ", "vertical", "horizontal" Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.This Outside, if occur in description of the invention term " first ", " second ", etc. be only used for distinguish description, and should not be understood as instruction or Imply relative importance.
If being not offered as requiring component absolute in addition, occurring the terms such as term "horizontal", "vertical" in description of the invention Horizontal or pendency, but can be slightly tilted.If "horizontal" only refers to that its direction is more horizontal with respect to for "vertical", not It is to indicate that the structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, if there is term " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect It connects, or is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment
Fig. 1 is please referred to, Fig. 1 shows a kind of specific structure of foldable hanging ladder device 100 provided in this embodiment, packet Mutually matched hanging ladder ontology 1 and support construction 2 are included, hanging ladder ontology 1 can pass through support construction 2 and the adjustable company of wall 10 It connects, can be convenient the angle effectively changed between hanging body ontology and wall 10, realize and facilitate staff according to different situations Upper and lower ladder.
Referring to figure 2., Fig. 2 shows hanging ladder ontologies 1 provided in this embodiment and support construction 2 to be located under positive visual angle Connection structure.
Hanging ladder ontology 1 includes the hinged hanging ladder component of at least two sections, and hanging ladder component includes two parallel arrangement of rod pieces 101 The pedal 102 between two rod pieces 101 is connected to multiple intervals;One end that two section hanging ladder components are located remotely from each other is respectively first End 103 and second end 104.
Referring to figure 3. and Fig. 1 is combined, support construction 2 includes two vertical poles of two vertical poles 201 being oppositely arranged and connection 201 cross bar 202, vertical pole 201 are in three stage structure comprising successively rotationally connected fixed section 2011, suspension section 2012 with adjust section 2013.Wherein in practice, suspension section 2012 is used for against fitting 10 outer wall of wall, and length is three It is longest in section;Fixing end is realized by the window that the fixed structure 3 of setting is used to open up with wall 10 and is fixed, and section 2013 is adjusted It is placed in the close ground of wall 10.The first end 103 of hanging ladder component be set to suspension section 2012 and close to fixed section 2011 The cross bar 202 of one end connects, and second end 104 is detachably connect with section 2013 is adjusted, by above-mentioned, hanging ladder ontology 1, suspension section 2012 together form stable three-legged structure with section 2013 is adjusted, it is ensured that hanging ladder using safe, avoid hanging ladder and be easy Occur the case where rupturing of rocking or even fracture under external force, affects the use of hanging ladder entirety.
It is the specific structure of the fixed structure 3 on fixed section 2011 with further reference to Fig. 4, Fig. 4, fixed structure 3 is arranged On the one end of fixed section 2011 far from suspension section 2012 comprising fixed plate 301, pressing plate 302 and push rod 303.Fixed plate 301 Offer fixation hole, push rod 303 is used to pushing pressing plate 302 close to or far from the another of fixed plate 301 and wall 10 through fixation hole One side wall squeezes.Fixed plate 301 is set to one end end of fixed section 2011, and pressing plate 302 is slideably in fixed plate 301, fixation It is moved between section 2011 and the junction for hanging section 2012, the plane where plane and fixed plate 301 where pressing plate 302 is flat Row.One end end of pressing plate 302 is equipped with sliding block, and the pilot hole on along its length is offered on the periphery wall of fixed section 2011, Pressing plate 302 is realized by sliding block and is slided along pilot hole.
The gap for clamping wall 10 is collectively formed in pressing plate 302 and suspension section 2012, according to different 10 thickness of wall, Pressing plate 302 can be close to or far from fixed plate 301 for increasing or reducing gap.
Push rod 303 is in stepped cylindrical structure, has third end 3031 interconnected and the 4th end 3032;Third end 3031 Cross-sectional diameter be greater than the 4th end 3032 cross-sectional diameter;Fixation hole in fixed plate 301 is threaded hole, third end 3031 It is threadedly engaged with fixation hole, the 4th end 3032 is connect with pressing plate 302.
Effectively change the angle between hanging body ontology and wall 10 for convenience, realizes and facilitate work according to different situations Ladder above and below personnel.Referring to figure 4., the present embodiment is long along section 2013 is adjusted by offering on the periphery wall for adjusting section 2013 The multiple regulating parts 4 being obliquely installed being spaced apart on degree direction, second end 104 optionally connect in multiple regulating parts 4 Either one or two of with adjust hanging ladder ontology 1 and hang section 2012 angle.
In the present embodiment, referring to Fig.1, fixed section 2011 and suspension section 2012 are hinged;In other specific embodiments, Gu Fixed end and suspension section 2012 or the mode of other rotation connections.Two sections of suspension sections 2012 being oppositely arranged are close to fixed section 2011 end is connected with depending post, and the opposite both ends of depending post offer through-hole, fixed section 2011 far from fixed plate 301 one End is equipped with fit structure;Fit structure includes the matching hole for being opened in fixed section 2011, and is determined through through-hole and matching hole Position pin;Matching hole is rotatably assorted with positioning pin, in order to enhance the stability of connection, goes back on the end of the stretching matching hole of positioning pin It is arranged with locking nut.
In the present embodiment, cross bar 202 include at least two section slidable connections loop bar, two section loop bars be located remotely from each other one End is connect with two opposite vertical poles 201 respectively;The first end 103 of two vertical poles 201 being oppositely arranged be respectively fixedly connected in On two section loop bars.Its role is to two section loop bars are slidably connected the entire length for elongating or shortening cross bar 202, phase Ying Di, pedal 102 can also be stretched or be shortened accordingly, and different use demands is adapted to.
In conclusion inventor devises a kind of foldable hanging ladder device 100, it is intended to solve to be used for window in existing issue The ladder of the outer operation of mouth wall is perpendicular to the ground, causes maintenance personal difficult up and down;And be inconvenient to remove caused by integral structure The problem of shifting and storage, the wasting manpower and material resources such as maintenance cost increase.
Foldable hanging ladder device 100 includes mutually matched hanging ladder ontology 1 and support construction 2, and hanging ladder ontology 1 can pass through Support construction 2 and the adjustable connection of wall 10 can be convenient the angle effectively changed between hanging body ontology and wall 10, realize Facilitate staff or more ladder according to different situations.And hanging ladder ontology 1 and support construction 2 are folding structure, specifically , hanging ladder ontology 1 includes the hinged hanging ladder component of at least two sections, hanging ladder ontology 1 have first end 103 on along its length with Second end 104;The vertical pole 201 of support construction 2 includes the fixed section 2011 being successively rotationally connected, suspension section 2012 and adjusts Section 2013, wherein first end 103 is connect for realizing fixed function, second end 104 with window on wall 10 with fixed section 2011 It is connect with section 2013 is adjusted, suspension section 2012 is affixed on wall 10.In actual use, hanging ladder ontology 1, suspension section 2012 with Stable three-legged structure can be collectively formed by adjusting section 2013, it is ensured that hanging ladder using safe, avoid hanging ladder and be easy outside Occur rocking or even fractureing the case where rupturing under power effect, affects the use of hanging ladder entirety.The foldable extension of product of the present invention 100 structure of ladder device is simple, and hanging ladder ontology 1 and support construction 2 are folding structure, conveniently moves, stores, repairing and dress It unloads, is used conveniently and safely;Hanging ladder ontology 1 can meet staff's by support construction 2 and the adjustable connection of wall 10 Safety guarantee.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (9)

1. a kind of foldable hanging ladder device characterized by comprising
Hanging ladder ontology, the hanging ladder ontology include the hinged hanging ladder component of at least two sections, and the hanging ladder component includes two parallel The rod piece of setting and multiple intervals are connected to the pedal between two rod pieces;Hanging ladder component is located remotely from each other described in two sections one End is respectively first end and second end;
Support construction, the support construction include two vertical poles being oppositely arranged and the cross bar for connecting two vertical poles, institute Stating vertical pole includes the fixed section being successively rotationally connected, suspension section and adjusting section;The suspension section is used for against the side of wall Wall;The fixed section is equipped with fixed structure far from one end of the suspension section, and the fixed structure includes fixed plate, pressing plate and pushes away Bar;The fixed plate offers fixation hole, and the push rod is through the fixation hole for pushing the pressing plate close to or far from institute State another sidewall extrusion of fixed plate and wall;
Wherein, the cross bar of the first end with the suspension section is set to and close to one end of the fixed section is connect, described Second end is detachably connect with the adjusting section;
The adjusting section and the suspension section are hinged;It offers on the periphery wall for adjusting section along the adjusting segment length direction On multiple regulating parts being obliquely installed for being spaced apart, the second end optionally connects appointing in multiple regulating parts One to adjust the hanging ladder ontology and the angle for hanging section.
2. foldable hanging ladder device according to claim 1, it is characterised in that:
The fixed plate is fixedly connected with the fixed section far from one end end of the suspension section, the pressing plate and the fixation Section is slidably connected for moving between the fixed plate, the fixed section and the junction of the suspension section.
3. foldable hanging ladder device according to claim 2, it is characterised in that:
The pilot hole on along its length is offered on the periphery wall of the fixed section, one end of the pressing plate is equipped with leads with described The sliding block being slidably matched to hole;Plane where the pressing plate is parallel with the plane where the fixed plate.
4. foldable hanging ladder device according to claim 3, it is characterised in that:
The gap for clamping wall is collectively formed in the pressing plate and the suspension section, and the pressing plate is close to or far from the fixation Plate is for increasing or reducing the gap.
5. the foldable hanging ladder device according to any one of claim 2-4, it is characterised in that:
The fixed section and the suspension section are hinged.
6. the foldable hanging ladder device according to any one of claim 2-4, it is characterised in that:
Two sections of suspension sections being oppositely arranged are connected with depending post close to the end of the fixed section, and the depending post is opposite Both ends offer through-hole, and the fixed section is equipped with fit structure far from one end of the fixed plate;The fit structure includes opening Set on the matching hole of the fixed section, and through the positioning pin of the through-hole and the matching hole;The matching hole with it is described Positioning pin is rotatably assorted, and is also arranged with locking nut on the end of the stretching matching hole of the positioning pin.
7. foldable hanging ladder device according to claim 1, it is characterised in that:
The cross bar includes at least the loop bar of two section slidable connections, and one end that loop bar described in two sections is located remotely from each other is respectively and relatively Two vertical poles connections.
8. foldable hanging ladder device according to claim 7, it is characterised in that:
The first end of two vertical poles being oppositely arranged is respectively fixedly connected on the loop bar described in two sections.
9. foldable hanging ladder device according to claim 1, it is characterised in that:
The push rod is in stepped cylindrical structure, has third end interconnected and the 4th end;The cross section at the third end is straight Diameter is greater than the cross-sectional diameter at the 4th end;The fixation hole in the fixed plate is threaded hole, the third end and institute It states fixation hole to be threadedly engaged, the 4th end is connect with the pressing plate.
CN201710628123.3A 2017-07-28 2017-07-28 A kind of foldable hanging ladder device Expired - Fee Related CN107191130B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710628123.3A CN107191130B (en) 2017-07-28 2017-07-28 A kind of foldable hanging ladder device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710628123.3A CN107191130B (en) 2017-07-28 2017-07-28 A kind of foldable hanging ladder device

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CN107191130A CN107191130A (en) 2017-09-22
CN107191130B true CN107191130B (en) 2019-03-12

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CN107882502B (en) * 2017-12-21 2024-01-30 国网河北省电力有限公司衡水供电分公司 Special ladder fixing device for steel pipe pole cross arm offline
CN108343373A (en) * 2018-03-06 2018-07-31 国网甘肃省电力公司经济技术研究院 A kind of electrical repair ladder stand
CN108798492A (en) * 2018-08-03 2018-11-13 三汽车起重机械有限公司 A kind of engineering machinery folding ladder
CN109339689B (en) * 2018-08-17 2020-02-21 温州宏量机械科技有限公司 Adjustable hanging ladder
CN111173477B (en) * 2020-01-17 2022-05-10 中国石油天然气股份有限公司 Work platform
CN111904198A (en) * 2020-08-13 2020-11-10 浙江广厦建设职业技术大学 Dual-purpose ladder

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CN2148164Y (en) * 1993-03-24 1993-12-01 张大铭 Combined suspension ladder for work high above ground
CN201915820U (en) * 2010-12-23 2011-08-03 吴建 Fast fixing part for escape device
CN202220545U (en) * 2011-08-23 2012-05-16 戴雨晴 Retractable ladder
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