CN107246236A - Full landform is not fallen terraced - Google Patents
Full landform is not fallen terraced Download PDFInfo
- Publication number
- CN107246236A CN107246236A CN201710418460.XA CN201710418460A CN107246236A CN 107246236 A CN107246236 A CN 107246236A CN 201710418460 A CN201710418460 A CN 201710418460A CN 107246236 A CN107246236 A CN 107246236A
- Authority
- CN
- China
- Prior art keywords
- cleat stanchion
- ladder
- main
- rack
- flexible
- 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.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/20—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as poles
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/06—Securing devices or hooks for parts of extensible ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/44—Means for mounting ladders on uneven ground
Abstract
Not terraced the invention provides a kind of full landform, ladder includes the full landform：The ladder that two panels is hinged, the ladder that two panels is hinged is respectively first ladder and second ladder being hinged by the first hinge, and first ladder includes：First vertical edge, the second vertical edge；First vertical edge includes：The first main cleat stanchion for being hinged with first hinge, the lower section for being arranged on the described first main cleat stanchion and can the first flexible cleat stanchion and the first locking device for sliding of relatively described first main cleat stanchion, the first main cleat stanchion is connected with the first flexible cleat stanchion by the first locking device clamping, and first locking device includes：First location division of protrusion, the first main cleat stanchion or the first flexible cleat stanchion are provided with the first rack being connected with first location division clamping or multiple first grids arranged in strip.In uneven workplace, ladder of the invention can be stablized and be supported on the working face of injustice, add safety coefficient by flexible.
Description
Technical field
The present invention relates to a kind of ladder, it is adapted to use in various landform, is particularly suitable for making in various uneven landform
With that is, a kind of full landform is not fallen terraced.
Background technology
At present, existing ladder is generally used in plane, but for some workplaces, ground is uneven, ladder
Each fulcrum is not located in a plane, and some fulcrums turn into hanging, and safety problem can be present by being worked on ladder.
In summary, there is problems with the prior art：In the occasion that ground is uneven, the fulcrum having of ladder turns into outstanding
Sky, work unsafe problem on ladder.
The content of the invention
The present invention provides a kind of ladder, and especially a kind of full landform is not terraced, to solve in the uneven occasion in ground, ladder
The fulcrum having turn into hanging, work unsafe problem on ladder.
Therefore, the present invention proposes that a kind of full landform is not terraced, ladder includes the full landform：The ladder that two panels is hinged,
The ladder that two panels is hinged is respectively first ladder and second ladder being hinged by the first hinge, first ladder bag
Include：First vertical edge, the second vertical edge and multiple first horizontal edges being connected between first vertical edge and the second vertical edge；
First vertical edge includes：The first main cleat stanchion for being hinged with first hinge, it is arranged on the described first main cleat stanchion
Lower section and can the first flexible cleat stanchion and the first locking device for sliding of relatively described first main cleat stanchion, the first main ladder
Post is connected with the first flexible cleat stanchion by the first locking device clamping, and first locking device includes：First positioning of protrusion
Portion, the first main cleat stanchion or the first flexible cleat stanchion be provided with the first rack for being connected with first location division clamping or
Multiple first grids arranged in strip, first rack is provided with multiple parallel teeth, multiple parallel teeth or many
Length direction of individual first grid along the described first main cleat stanchion or the first flexible cleat stanchion is arranged.
Further, the described first main cleat stanchion is set in outside the described first flexible cleat stanchion, on the described first flexible cleat stanchion
Provided with first rack, the first main cleat stanchion is provided with the first perforate for accommodating the first location division turnover.
Further, first locking device also includes：The first spanner for being connected with first location division, with it is described
Second hinge of the first spanner connection and the first torsion spring being set on second hinge, wherein, the first spanner tool
There are a first end and the second end, the line at the first end and the second end is the length direction of first spanner, second end
First location division is connected, the first end is the company of press-side, the vertical first end of second hinge and the second end
Line and positioned between the first end and the second end.
Further, first locking device also includes：The first bearing on the described first main cleat stanchion is set in, it is described
First spanner and the second hinge are arranged on first bearing.
Further, first bearing includes：First overcoat of tubular, the top of first overcoat is provided with receiving institute
State and be additionally provided with two first lugs, second perforate at the top of the second perforate of the first location division turnover, first overcoat
Between described two first lugs, length direction extension of two first lugs along first overcoat, each first
Be respectively equipped with the mounting hole for installing second hinge on lug, second hinge be arranged between two first lugs and
The length direction of vertical first overcoat of second hinge.
Further, the described first main cleat stanchion and/or the first flexible cleat stanchion include the first section bar of rectangle, the cylinder
First overcoat of shape is the tubular of cuboid, and second perforate is rectangle opening, and first location division is the first voussoir,
Along the length direction of the first rack, tight first rack of the first voussoir positive lock, first voussoir reversely can
Slided along first rack.
Further, second perforate is connected and overlapped with first perforate.
Further, ladder also includes the full landform：The lateral support bar set respectively in the both sides of two panels ladder,
The lateral support bar is respectively to be arranged on the first lateral support bar of the side of two panels ladder first and be arranged on two panels ladder
Second lateral support bar of two sides；The first lateral support bar includes：The second main cleat stanchion for being connected with two panels ladder, it is arranged on
The lower section of the second main cleat stanchion simultaneously can relatively described second main cleat stanchion the second flexible cleat stanchion and the second locking dress that slide
Put, the second main cleat stanchion is connected with the second flexible cleat stanchion by the second locking device clamping, and second locking device includes：
Second location division of protrusion, the second main cleat stanchion or the second flexible cleat stanchion are provided with and connected with second location division clamping
The second rack connect or multiple second grids arranged in strip.
Further, the described second main cleat stanchion is set in outside the described second flexible cleat stanchion, on the described second flexible cleat stanchion
Provided with second rack, second locking device is identical with the structure of first locking device.
Further, the structure of second vertical edge is identical with the structure of first vertical edge, second ladder with
The structure of first ladder is identical.
The full landform of the present invention does not fall the ladder leg of ladder, and such as the first vertical edge and/or the second vertical edge can stretch, and
And the locking that can be consolidated after stretching, in this way, it is possible to which in uneven workplace, ladder can be stablized and be supported on by flexible
On uneven working face, safety coefficient is added.And then, the present invention using rack or grid as locking mode, one be can
Realize the accurate of continuous and adjustable and adjust repeatedly, extend, can again recall to and, elongation is inadequate, can pull out again a bit, thus
Easy to adjust, two be the locking compared to existing circular hole bolt-type, rack of the invention or grid type locking, and locking force is more
Greatly, the destruction but to ladder, terraced leg is small, and the stress of terraced leg is all by along ladder or terraced leg length direction, the stretching
When rack or grid that power is acted on terraced leg, the power that rack or grid are born be also along ladder or terraced leg length direction,
This is the optimum orientation that ladder bears tensile force, i.e. ladder stretching is when being locked, and ladder is along bearing tensile strength or pressure resistance
Maximum direction stress is spent, i.e., in the present invention, ladder stretches and is not subject to lateral tensile force, be solely subjected to axial direction or length direction
Tensile force, so, is stretched even across multiple, and ladder of the invention is remained able to bear well normal flexible and propped up
Support, will not as the locking of circular hole bolt-type, circular hole through after a period of time, can the region as stress concentration, and gradually
Rupture, causes ladder to be scrapped.So, ladder of the invention is after flexible, because stress bears axial direction or length direction all the time
Tensile force, it is not easy to damage, still with longer service life.
And then, the present invention is coordinated using voussoir with rack carries out one-way locking, so, along the length side of the first rack
To tight first rack of the first voussoir positive lock realizes quick locking；In addition, first voussoir reversely being capable of edge
First rack to slide, that is, when stretching ladder, Portable power saving.So, it can either ensure that ladder will not be retracted easily, only
There is artificial locking device of opening to release one-way locking, so as to ensure the safety of ladder during work, on the other hand, moreover it is possible to make drawing
When stretching, ladder can Rapid stretching in place, improve operating efficiency, shorten ladder adjustment time.
Brief description of the drawings
Fig. 1 for the present invention full landform fall ladder first angle dimensional structure diagram；
Fig. 2 for the present invention full landform fall ladder second angle dimensional structure diagram；
Fig. 3 for the present invention full landform fall ladder main structure diagram；
Fig. 4 is the dimensional structure diagram of first angle of the first flexible cleat stanchion of the present invention；
Fig. 5 is the dimensional structure diagram of the first main cleat stanchion of the present invention；
Fig. 6 is the of the invention first flexible cleat stanchion side structure schematic view；
The structural representation that Fig. 7 is locked for the first flexible cleat stanchion and the first main cleat stanchion of the present invention by the first locking device
Figure；
Fig. 8 is the overall structure diagram of the first locking device of the present invention；
Fig. 9 is the decomposition texture schematic diagram of first angle of the first locking device of the present invention；
Figure 10 is the decomposition texture schematic diagram of second angle of the first locking device of the present invention；
Figure 11 is the side structure schematic view of the first locking device of the present invention, wherein, eliminate the first spanner；
Figure 12 is the overlooking the structure diagram of the first locking device of the present invention, wherein, eliminate the first spanner；
The dimensional structure diagram that Figure 13 is connected for the first location division of the present invention with the first spanner；
The main structure diagram that Figure 14 is connected for the first location division of the present invention with the first spanner.
Drawing reference numeral explanation：
11st, first ladder 12, second ladder 13, the first lateral support bar 14, the second lateral support bar
111st, the first vertical edge 112, the second vertical edge 16, the first hinge
The rack 1,130 first of 116 first locking device of the flexible cleat stanchion of 1110 first main cleat stanchions 1,115 first 118 first
Perforate
The first end 1168 of 1161 first location division, 1,162 first spanner, 1,163 second 1,164 first torsion spring of hinge 1167
Second end
The first lug of 117 first 1,170 first overcoat of bearing 1171
119 legs
153rd, third connecting rod 154, fourth link 157, the 5th connecting rod 158, six-bar linkage
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now control illustrates this hair
It is bright.
As shown in Figure 1, Figure 2 and Figure 3, ladder (ladder for being applied to a variety of occasions) includes full landform of the invention：Two
The ladder that piece is hinged, the ladder that two panels is hinged is respectively first ladder 11 and second ladder being hinged by the first hinge 16
12, first ladder 11 includes：First vertical edge 111, the second vertical edge 112 and it is connected to first vertical edge and second
Multiple first horizontal edges between vertical edge；First vertical edge 111 and the second vertical edge 112 are used to be supported on working face, play a supportive role,
First horizontal edge is climbed for people；First vertical edge 111 and the second vertical edge 112 and the first horizontal edge can for aluminium, aluminium alloy or steel or not
Rust steel is made, and the connection of the first vertical edge 111 and the first horizontal edge can be riveting or welding；Angle between the ladder that two panels is hinged
It can adjust, can be folded between the ladder that two panels is hinged, full landform of the invention does not fall ladder can be for suitable for a variety of occasions
Folding ladder；
As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, first vertical edge 111 includes：It is hinged with first hinge 16
First main cleat stanchion 1110, the lower section for being arranged on the described first main cleat stanchion and can first stretching of sliding of relatively described first main cleat stanchion
The locking device 116 of cleat stanchion 1115 and first, the flexible cleat stanchion 1115 of the first main cleat stanchion 1110 and first passes through the first locking
The clamping of device 116 is connected, and first locking device 116 includes：First location division 1161 of protrusion, the first main cleat stanchion
1110 or described first flexible cleat stanchions 1115 are provided with the first rack 118 being connected with the clamping of the first location division 1161 or are in
Multiple first grids of strip arrangement, first rack 118 is provided with multiple parallel teeth, multiple parallel teeth or many
Length direction of individual first grid along the described first main cleat stanchion or the first flexible cleat stanchion is arranged.In order to further increase branch
The stability of support, leg 119 is also associated with the bottom of the first flexible cleat stanchion 1115.
As shown in Fig. 9, Figure 10, Figure 13 and Figure 14, the first location division 1161, for example, fixture block are realized with rack or grid
Clamping is locked, and the first location division 1161 is with being that linear contact lay or face are contacted between rack or grid, thus the stress of rack or grid
Area is larger, in the case of same material so that can be born between the flexible cleat stanchion 1115 of the first main cleat stanchion 1110 and first
Bigger active force, thus, the stability of ladder work is added, especially in the uneven occasion in ground, every ladder or each
In the case of the unbalance stress of terraced leg (such as the first vertical edge 111 or the second vertical edge 112), certain a piece of ladder or terraced leg are possible to hold
By larger heavy burden, if locked using latch or pivot pin or peg type, ladder then can have more than latch or pivot pin or pin is held
By the danger of intensity.The first location division 1161 and the clamping of rack or grid that the present invention is used are locked, by increasing capacitance it is possible to increase clamping
Contact area, increases the stability of support.
And then, the first rack is provided with multiple equally spaced parallel teeth, multiple equally spaced parallel teeth or many
Length direction of individual equally spaced first grid along the described first main cleat stanchion or the first flexible cleat stanchion is arranged, so, can
To realize flexible accurate and adjust repeatedly, extend, can again recall to and, elongation is inadequate, can pull out a bit again, thus tune
Perfect square is just.Because the first location division 1161 and rack or grid realize that clamping is locked, rack or grid have sufficient width, because
And, the width of the flexible cleat stanchion 1115 of the first main cleat stanchion 1110 or first can be made full use of to bear to bear a heavy burden.Due to taking full advantage of
First main cleat stanchion 1110 or first stretch cleat stanchion 1115 width, under conditions of intensity is met, it is possible to reduce teeth or
The spacing of grid, the spacing of teeth could be arranged to 0.5mm, 1mm, 2mm or 3mm or several millimeter, can meet the step of various adjustment
Enter requirement and required precision, keep the continuity and accuracy of adjustment, can also cause the first vertical edge 111 or the second vertical edge 112 to protect
The synchronism of adjustment is held, it is also possible that in the case of uneven working face, the first vertical edge 111 or the second vertical edge 112 keep adjusting
Whole independence so that the first vertical edge 111 or the asynchronous adjustment of the second vertical edge 112, it is non-interference.
Further, the described first main cleat stanchion 1110 is set in outside the described first flexible cleat stanchion 1115, the first main cleat stanchion
1110 vertical connections or the horizontal ladder of lateral connection, the connection of the flexible cleat stanchion 1115 of the first main cleat stanchion 1110 and first is the first main cleat stanchion
The connection of 1110 length directions, the connection in the two directions be it is separate, so so that the first main cleat stanchion 1110 can be with
Horizontal ladder keeps stable and is fixedly connected, and can keep the flexible of relative first flexible cleat stanchion 1115.
As shown in Figure 4, Figure 5 and Figure 6, the described first flexible cleat stanchion 1115 is provided with first rack 118, described first
Main cleat stanchion 1110 is provided with accommodating the first perforate 1130 that first location division 1161 is passed in and out, i.e., the first main cleat stanchion 1110 and the
The facing face of one flexible cleat stanchion 1115 is provided with the first perforate 1130, so that the first location division 1161 is passed in and out, realizes locking.
The present invention is with the first main cleat stanchion 1110 and horizontal terraced lateral connection, with the first flexible cleat stanchion 1115 in the first main cleat stanchion
Move and locked in 1110, realize the vertical connection of telescopic direction, thus, reasonably it is assigned with the flexible division of labor of terraced leg.
Further, as shown in Figure 1, Figure 2 and Figure 3, the structure of second vertical edge is identical with the structure of first vertical edge, and described
Two ladders are identical with the structure of first ladder, i.e., four legs (four vertical edges) of two panels ladder can independent telescope tune
It is whole, moreover, second ladder can be climbed with first ladder, it can also support.First main cleat stanchion 1110 and first is stretched
Contracting cleat stanchion 1115 can be with identical, and for example, metal material such as aluminium, aluminium alloy, steel, stainless steel is made, be easy to teeth or grid plus
Work.
Further, as shown in Fig. 8, Fig. 9, Figure 11, Figure 12, Figure 13 and Figure 14, first locking device 116 is also wrapped
Include：The first spanner 1162 for being connected with first location division 1161, the second hinge 1163 being connected with first spanner, with
And the first torsion spring 1164 on second hinge 1163 is set in, wherein, first spanner has first end 1167 and
Two ends 1168, the line at the end 1168 of first end 1167 and second is the length direction of first spanner 1162, described the
Two ends 1168 connect first location division 1161, and the first end 1167 is press-side, the vertical institute of second hinge 1163
State the line of first end and the second end and be located between the first end and the second end.Second hinge 1163 has the work of fulcrum
With so that the end 1168 of first end 1167 and second and the second hinge 1,163 one lever of formation, the end of first end 1167 and second
1168 rotate around the second hinge 1163 in stress.First spanner 1162, the second hinge 1163 and the first location division 1161
Material can with identical, such as the first location division 1161 material by aluminium, aluminium alloy, metal material be made, be easy to processing, also may be used
It is wear-resisting to use steel, especially stainless steel to be made, long lifespan.
The present invention is set to：In its natural state, i.e., in the state of not being pressed, due to the effect of the first torsion spring 1164,
First end 1167 is raised to maximum height, and the second end 1168 is then located at minimum point, and the first location division 1161 extend into first and opened
In hole 1130, clamping rack or grid；When needing adjustment, first end 1167 is pressed, the second end 1168 is then lifted, the first positioning
Portion 1161 departs from from the first perforate 1130 therewith, then without beam between the flexible cleat stanchion 1115 of the first main cleat stanchion 1110 and first
Tie up, the first flexible cleat stanchion 1115 can then be slided with respect to the first main cleat stanchion 1110, be realized flexible.After stretching to specified location,
The pressing to first end 1167 is unclamped, then the first location division 1161 is returned to locking state in the presence of the first torsion spring 1164,
It extend into the first perforate 1130.The present invention is not to press first end 1167 or not apply stressed state to first end 1167
For default conditions, the state is locking state or is one-way locking state, this way it is ensured that in the condition not exerted a force manually
Under, ladder is one-way locking, can stretch but can not shrink, so as to ensure that the security of ladder, prevent maloperation.Only
When meeting the subjective intention that needs shrink, just cause one-way locking states thereof, realize and shrink.
Further, first locking device also includes：It is set in the first bearing on the described first main cleat stanchion 1110
117, the hinge 1163 of the first spanner 1162 and second is arranged on first bearing 117, so, is easy to the first locking
The fabrication and installation of device, are easy to keep the consistent and complete of the first main processing of cleat stanchion 1110.
Further, first bearing 117 includes：Set at the top of first overcoat 1170 of tubular, first overcoat
Have and be additionally provided with two first lugs 1171 at the top of the second perforate for accommodating the first location division turnover, first overcoat,
Second perforate is located between described two first lugs 1171, and two first lugs 1171 are along first overcoat 1170
Length direction extension, be respectively equipped with the mounting hole for installing second hinge 1163 in each first lug 1171, described the
Two hinges 1163 are arranged on the mounting hole of two first lugs, and vertical first overcoat of second hinge 1163
1170 length direction.
Further, the described first main cleat stanchion and/or the first flexible cleat stanchion include the first section bar of rectangle, are, for example,
Aluminium section bar or aluminium alloy extrusions or steel profile, so, are provided with after the opening for locking on rectangle section bar, are maintained to
Enough intensity.First overcoat 1170 of the tubular is the tubular of cuboid, is stretched with the first main cleat stanchion and/or described first
The shape of contracting cleat stanchion is corresponding.Second perforate be rectangle opening, first location division 1161 be the first voussoir or fixture block,
First voussoir passes in and out direction in vertical first voussoir and is projected as rectangle, and first voussoir has and rack or grid clamping
Acute angle b, the first rack has the teeth being meshed with the acute angle b of straight first voussoir.
Each teeth on first rack are, for example, straight-tooth, i.e., each teeth (crown) are formed in the first flexible cleat stanchion upslide shadow
Parallel a plurality of straight line, the length direction of each teeth is the length direction of the vertical first flexible cleat stanchion, i.e., the extension side of each teeth
To the width for the first flexible cleat stanchion so that the first voussoir is straight line with the contact or clamping of the teeth on the first rack
(or rectangle plane) is contacted or clamping.Grid can also be that straight line (or rectangle plane) connects by the contact or clamping with the first voussoir
Touch or clamping, grid is set to rectangular grid, also, rectangular grid and the frame of contact or the clamping of the first voussoir are vertical the
The length direction of one flexible cleat stanchion.So, to obtain, locking force is bigger, the smaller effect of the destruction to ladder, terraced leg.
Compared to the locking of existing circular hole bolt-type, rack of the invention or grid type locking, locking force are bigger, still
Destruction to ladder, terraced leg is smaller, and the stress of terraced leg is all by along ladder or terraced leg length direction, the tensile force effect
When rack or grid on terraced leg, the power that rack or grid are born is also that, along ladder or terraced leg length direction, this is ladder
Son bears the optimum orientation of tensile force, i.e., when ladder stretching is locked, and ladder is along bearing tensile strength or compression strength is maximum
Direction stress, i.e., the present invention in, ladder stretching be not subject to lateral tensile force, be solely subjected to the stretching of axial direction or length direction
Power, so, is stretched even across multiple, and ladder of the invention is remained able to bear well normal flexible and supported, no
Can be as the locking of circular hole bolt-type, circular hole gradually ruptures through that after a period of time, can turn into the region of stress concentration,
Ladder is caused to be scrapped.So, ladder of the invention is after flexible, because stress bears the stretching of axial direction or length direction all the time
Power, it is not easy to damage, still with longer service life.
Wherein, one-way locking refers to following two states：
A：When not pressing first end 1167, along on the length direction of the first rack, the first voussoir positive lock is tight
First rack, when forward direction is directed to recovery the first flexible cleat stanchion of contracting, the first voussoir locks first rack, i.e., do not pressing
When pressing first end 1167, the first flexible cleat stanchion can not shrink；Because the first voussoir has the acute angle b with rack or grid clamping,
Unidirectional i.e. positive locking can thus be realized.
B:First voussoir can reversely be slided along first rack, reversely refer to be pulled outwardly the first flexible cleat stanchion
When, the first flexible cleat stanchion is not acted on then by locking, without pressing first end 1167, also can quickly be pulled out.In addition, the first voussoir
The acute angle b for being all during with rack or grid clamping, thus, when the first voussoir is reversely moved along rack or grid, first wedge
Angle between block and rack or grid is then obtuse angle (180-b), the first voussoir be on multiple steps of rack or grid not
By the movement of snap action power, only by frictional force, it will not be locked, so during stretching ladder, Portable power saving.Due to normal condition
Under, ladder is by the effect of ground supports condition and acting on for gravity, and ladder support receives the support force on ground behind ground, because
And can not active drawing, in such manner, it is possible to ensure that ladder will not be retracted easily, and will not be drawn under default conditions stability under loading
Stretch, so that ensure the safety of ladder during work, on the other hand, moreover it is possible to which when making ladder need to be stretched, ladder can be pulled out quickly,
Operating efficiency is improved, the time of ladder adjustment is shortened.
Further, second perforate is connected and overlapped with first perforate 1130, i.e., the first main He of cleat stanchion 1110
The first overcoat 1170 thereon is set in same position upper shed, to ensure that the first location division can be continuously in the first main ladder
Passed in and out in the overcoat 1170 of post 1110 and first.
Further, ladder also includes the full landform：The lateral support bar set respectively in the both sides of two panels ladder,
The lateral support bar is respectively to be arranged on the first lateral support bar 13 of the side of two panels ladder first and be arranged on two panels ladder
Second lateral support bar 14 of the second side, to increase the stability of support, increases the security performance of ladder.First lateral support bar
13 and two panels ladder can also be connected by the first hinge 16.Lateral support bar can adjust the angle of opening, can be locked
Tightly, so as to adjust the angle of support.
First lateral support bar and/or the second lateral support bar can also be used and the same or analogous knot of the first vertical edge
Structure, for example, the first lateral support bar includes：The second main cleat stanchion for being connected with two panels ladder, it is arranged on the described second main ladder
The lower section of post simultaneously can the second flexible cleat stanchion and the second locking device for sliding of relatively described second main cleat stanchion, second master
Cleat stanchion is connected with the second flexible cleat stanchion by the second locking device clamping, and second locking device includes：The second of protrusion is determined
Position portion, the second main cleat stanchion or the second flexible cleat stanchion are provided with the second rack being connected with second location division clamping
Or multiple second grids arranged in strip.
Further, the described second main cleat stanchion is set in outside the described second flexible cleat stanchion, on the described second flexible cleat stanchion
Provided with second rack, second locking device is identical with the structure of first locking device.
That is the first lateral support bar and/or the second lateral support bar can be tied using the stretching structure and locking of the first vertical edge
Structure, for example, second locking device also includes：The second spanner being connected with second location division and second spanner
3rd hinge of connection and the second torsion spring being set on the 3rd hinge, second locking device also include：It is arranged
The second bearing on the described second main cleat stanchion, the second main cleat stanchion, which is provided with, accommodates the 3rd of the second location division turnover
Perforate, second spanner and the 3rd hinge are arranged on second bearing.
Further, second bearing includes：Second overcoat of tubular, the top of second overcoat is provided with receiving institute
The 4th perforate of the second location division turnover is stated, second perforate is connected with the 3rd perforate, the top of second overcoat
It is additionally provided with two the second lugs, second perforate is located between described two second lugs, two the second lugs are along described
The length direction extension of second overcoat, is respectively equipped with the mounting hole for installing the 3rd hinge on each second lug, and described the
Three hinges be arranged between two the second lugs and vertical second overcoat of the 3rd hinge length direction.
Further, the described second main cleat stanchion and/or the second flexible cleat stanchion include the second section bar of rectangle, the cylinder
Second overcoat of shape is the tubular of cuboid, and the 3rd perforate and the 4th perforate are rectangle opening, described second
Location division is the second voussoir, the second voussoir forward direction locking second rack, and second voussoir reversely being capable of edge
Second rack to slide.
So, invention enhances the function of the flexible adjustment of lateral support bar so that ladder is except in traditional two panels ladder
Outside the flexible adjustment of son, moreover it is possible to carry out lateral flexible adjustment, the adaptation to rough terrain is further increased, for example, this hair
Bright ladder can have 6 fulcrums (four vertical edges and two lateral support bars are respectively as a fulcrum) to be supported on working face
On, the flexible of each fulcrum can be adjusted independently, four vertical edges and two lateral support bars can carry out respectively it is independent adjust thus it is whole,
It can be stretched according to topographic features progress is different, field, hillside, the operation of fluvial landform can be applicable.
The firm and security of ladder is not fallen in order to further strengthen full landform, and lateral support bar also passes through connecting rod and the respectively
A piece of ladder 11 or second ladder 12 are attached, for example, the second lateral support bar 14 is connected by third connecting rod 153 and the 4th
Bar 154 is connected to the top of second ladder 12, by the 5th connecting rod 157 and six-bar linkage 158, is connected to second ladder 12
Bottom, the second lateral support bar 14 forms small tetrahedral three sides, the second side with third connecting rod 153 and fourth link 154
Big tetrahedral three sides, lateral support bar and each vertical edge are formed to the connecting rod 157 of support bar 14 and the 5th and six-bar linkage 158
Connecting can be realized by the locking device including the first locking device, can also be using other existing locking devices come real
It is existing.So, lateral support bar and each vertical edge are connected firmly, and form the three-dimensional multi-level protection knot for preventing from translating into
Structure.When two panels ladder and lateral support bar stretch adjustment, it can also prevent a certain fulcrum because flexible inadequate or long
The caused jiggly problem of support.Similarly, the first lateral support bar 13 is also adopted with first ladder 11 or second ladder 12
Same or like dual linkage is taken to be attached.
Schematical embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.This hair
Bright each part can be mutually combined under conditions of not conflicting, and any those skilled in the art is not departing from this hair
Made equivalent variations and modification, all should belong to the scope of protection of the invention on the premise of bright design and principle.
Claims (10)
1. a kind of full landform is not fallen terraced, it is characterised in that ladder includes the full landform：The ladder that two panels is hinged, two panels hinge
The ladder connect is respectively first ladder and second ladder being hinged by the first hinge, and first ladder includes：The
One vertical edge, the second vertical edge and multiple first horizontal edges being connected between first vertical edge and the second vertical edge；
First vertical edge includes：The first main cleat stanchion for being hinged with first hinge, it is arranged under the described first main cleat stanchion
The first flexible cleat stanchion and the first locking device that the main cleat stanchions of Fang Bingneng relatively described first are slided, the first main cleat stanchion with
First flexible cleat stanchion is connected by the first locking device clamping, and first locking device includes：First location division of protrusion, institute
The first main cleat stanchion or the first flexible cleat stanchion are stated provided with the first rack being connected with first location division clamping or in bar
Multiple first grids of shape arrangement, first rack is provided with multiple parallel teeth, multiple parallel teeth or multiple the
Length direction of one grid along the described first main cleat stanchion or the first flexible cleat stanchion is arranged.
2. full landform as claimed in claim 1 is not fallen terraced, it is characterised in that the first main cleat stanchion is set in described first and stretched
Outside contracting cleat stanchion, the described first flexible cleat stanchion is provided with first rack, and the first main cleat stanchion is provided with accommodating described the
First perforate of one location division turnover.
3. full landform as claimed in claim 2 is not fallen terraced, it is characterised in that first locking device also includes：With it is described
First spanner of the first location division connection, the second hinge for being connected with first spanner and it is set in second hinge
On the first torsion spring, wherein, first spanner has a first end and the second end, and the line at the first end and the second end is institute
The length direction of the first spanner is stated, second end connects first location division, and the first end is press-side, described second
The line at the vertical first end of hinge and the second end and positioned between the first end and the second end.
4. full landform as claimed in claim 3 is not fallen terraced, it is characterised in that first locking device also includes：It is set in
The first bearing on the first main cleat stanchion, first spanner and the second hinge are arranged on first bearing.
5. full landform as claimed in claim 4 is not fallen terraced, it is characterised in that first bearing includes：Outside the first of tubular
Set, the top of first overcoat is provided with the second perforate for accommodating the first location division turnover, the top of first overcoat
It is additionally provided with two first lugs, second perforate is located between described two first lugs, two first lugs are along described
The length direction extension of first overcoat, is respectively equipped with the mounting hole for installing second hinge in each first lug, and described the
Two hinges be arranged between two first lugs and vertical first overcoat of second hinge length direction.
6. landform as claimed in claim 5 complete does not fall ladder, it is characterised in that the first main cleat stanchion and/or described first stretch
Contracting cleat stanchion includes the first section bar of rectangle, and the first overcoat of the tubular is the tubular of cuboid, and second perforate is square
Shape perforate, first location division is the first voussoir, along the length direction of the first rack, the tight institute of the first voussoir positive lock
The first rack is stated, first voussoir can reversely be slided along first rack.
7. full landform as claimed in claim 5 is not fallen terraced, it is characterised in that second perforate is connected with first perforate
And overlap.
8. full landform as claimed in claim 1 is not fallen terraced, it is characterised in that ladder also includes the full landform：In two panels
The lateral support bar that the both sides of ladder are set respectively, the lateral support bar is respectively be arranged on the side of two panels ladder first first
Lateral support bar and the second lateral support bar for being arranged on the side of two panels ladder second；The first lateral support bar includes：With
Second main cleat stanchion of two panels ladder connection, the lower section for being arranged on the described second main cleat stanchion and can relatively described second main cleat stanchion slip
The second flexible cleat stanchion and the second locking device, the second main cleat stanchion passes through the second locking device with second cleat stanchion that stretches
Clamping is connected, and second locking device includes：Second location division of protrusion, the second main cleat stanchion or second extension ladder
Post is provided with the second rack being connected with second location division clamping or multiple second grids arranged in strip.
9. full landform as claimed in claim 8 is not fallen terraced, it is characterised in that the second main cleat stanchion is set in described second and stretched
Outside contracting cleat stanchion, the described second flexible cleat stanchion is provided with second rack, second locking device and the described first locking
The structure of device is identical.
10. full landform as claimed in claim 1 is not fallen terraced, it is characterised in that the structure of second vertical edge and described first
The structure of vertical edge is identical, and second ladder is identical with the structure of first ladder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710418460.XA CN107246236A (en) | 2017-06-06 | 2017-06-06 | Full landform is not fallen terraced |
| PCT/CN2018/072183 WO2018130167A1 (en) | 2017-01-15 | 2018-01-11 | Stepladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710418460.XA CN107246236A (en) | 2017-06-06 | 2017-06-06 | Full landform is not fallen terraced |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107246236A true CN107246236A (en) | 2017-10-13 |
Family
ID=60019011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710418460.XA Withdrawn CN107246236A (en) | 2017-01-15 | 2017-06-06 | Full landform is not fallen terraced |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107246236A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018130167A1 (en) * | 2017-01-15 | 2018-07-19 | 黄崇华 | Stepladder |
| CN108915573A (en) * | 2018-07-14 | 2018-11-30 | 黄崇华 | Mobile domestic folding ladder |
| CN109025779A (en) * | 2018-07-14 | 2018-12-18 | 黄崇华 | Skidding type household does not fall terraced |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4641279A (en) * | 1983-03-07 | 1987-02-03 | Hitachi, Ltd. | Semiconductor memory device having a dummy cell and a memory cell which is twice the size of the dummy cell |
| US20020074187A1 (en) * | 2000-02-15 | 2002-06-20 | Bendle Fred Albert | Stabilizers for a step ladder and a step ladder equipped with stabilizers |
| TW200702546A (en) * | 2005-07-01 | 2007-01-16 | wei-hao Zhang | Ladder allowing adjusting the height of stands |
| CN202970427U (en) * | 2012-11-26 | 2013-06-05 | 阿禄因康株式会社 | Locking device for telescopic leg of ladder shaped supporting leg |
| CN202970421U (en) * | 2012-10-24 | 2013-06-05 | 深圳广田装饰集团股份有限公司 | Herringbone ladder with changeable height |
| CN106593286A (en) * | 2017-01-23 | 2017-04-26 | 黄崇华 | Folding ladder |
| CN206785286U (en) * | 2017-06-06 | 2017-12-22 | 黄崇华 | Full landform is not fallen terraced |
-
2017
- 2017-06-06 CN CN201710418460.XA patent/CN107246236A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4641279A (en) * | 1983-03-07 | 1987-02-03 | Hitachi, Ltd. | Semiconductor memory device having a dummy cell and a memory cell which is twice the size of the dummy cell |
| US20020074187A1 (en) * | 2000-02-15 | 2002-06-20 | Bendle Fred Albert | Stabilizers for a step ladder and a step ladder equipped with stabilizers |
| TW200702546A (en) * | 2005-07-01 | 2007-01-16 | wei-hao Zhang | Ladder allowing adjusting the height of stands |
| CN202970421U (en) * | 2012-10-24 | 2013-06-05 | 深圳广田装饰集团股份有限公司 | Herringbone ladder with changeable height |
| CN202970427U (en) * | 2012-11-26 | 2013-06-05 | 阿禄因康株式会社 | Locking device for telescopic leg of ladder shaped supporting leg |
| CN106593286A (en) * | 2017-01-23 | 2017-04-26 | 黄崇华 | Folding ladder |
| CN206785286U (en) * | 2017-06-06 | 2017-12-22 | 黄崇华 | Full landform is not fallen terraced |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018130167A1 (en) * | 2017-01-15 | 2018-07-19 | 黄崇华 | Stepladder |
| CN108915573A (en) * | 2018-07-14 | 2018-11-30 | 黄崇华 | Mobile domestic folding ladder |
| CN109025779A (en) * | 2018-07-14 | 2018-12-18 | 黄崇华 | Skidding type household does not fall terraced |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107246236A (en) | Full landform is not fallen terraced | |
| CN206785286U (en) | Full landform is not fallen terraced | |
| US3318415A (en) | Platform for ladders | |
| US2230015A (en) | Knock-down load support | |
| US20170328131A1 (en) | Hybrid Stepladder and Method | |
| CN206785287U (en) | Family expenses do not fall terraced | |
| CN107201875A (en) | Family expenses do not fall terraced | |
| CN103104186B (en) | Outdoor operation ladder | |
| DE20018890U1 (en) | Telescopic crane for lifting loads on towers or masts | |
| US20080190698A1 (en) | Extending, Folding Ladder Comprising a Single Central Post | |
| CN208918545U (en) | A kind of extension type tunnel excavation operation platform | |
| CN109898827A (en) | A kind of protective device for building scaffold | |
| CN214943010U (en) | Rapid unfolding tent connected with shelter | |
| CN203066841U (en) | Field operation ladder | |
| CN207691315U (en) | high-altitude operation platform | |
| KR200490762Y1 (en) | Fruit Tree Branch Support | |
| DE102009021371A1 (en) | Guard rail-integrated scaffold frame for use on outer wall of building, has lock movably fastened to rail support for blocking fork of rail support, and locking surface engaged and connected with carrier section by pivoting or shifting | |
| CN206667931U (en) | A kind of construction safety wall | |
| CN205866389U (en) | Portable field device of having dinner | |
| CN220243539U (en) | Cabin working ladder | |
| CN208496274U (en) | A kind of equipment applied to coil of wire automatic assembling | |
| CN112041517A (en) | Transportable structure | |
| CN210559073U (en) | A hang thing instrument for high altitude construction | |
| DE55597C (en) | Field chair with canopy | |
| WO2018130167A1 (en) | Stepladder |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171013 |