CN103590744A - Folding combined ladder - Google Patents
Folding combined ladder Download PDFInfo
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- CN103590744A CN103590744A CN201210290777.7A CN201210290777A CN103590744A CN 103590744 A CN103590744 A CN 103590744A CN 201210290777 A CN201210290777 A CN 201210290777A CN 103590744 A CN103590744 A CN 103590744A
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- 238000003032 molecular docking Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 12
- 238000009434 installation Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a folding combined ladder, which comprises a ladder frame body, wherein the ladder frame body comprises ladder rods for supporting and transverse stepping rods arranged on the ladder rods at intervals; the ladder frame body is in a herringbone shape, or in a straight line shape, or in an L shape, or in an n shape, or in a suspensible inverted B shape; the ladder frame body comprises a main ladder frame, an auxiliary ladder frame and a bearing plate; the bearing plate and the auxiliary ladder frame are respectively close to or positioned at two ends of a ladder rod of the main ladder frame; the auxiliary ladder frame comprises a plurality of sections of short ladder frames, and the sections of short ladder frames are connected in a straight shape or an angle shape through a first connecting device; the auxiliary ladder frame is connected with the main ladder frame through a second connecting device or a third connecting device. The folding combined ladder is reasonable in structure and convenient to carry; the operation is simple, the practicability is strong, multiple functions can be realized, the multifunctional electric water heater is suitable for multiple purposes and operation modes, and the cost is low.
Description
Technical field
The present invention relates to work high above the ground and transport field, be specifically related to a kind of foldable combined ladder.
Background technology
At present, the installation of air-conditioner outdoor unit belongs to work high above the ground substantially, and no matter installation environment is grid platform, reveals the even unsettled support installation of hollow panel, all has great potential safety hazard, easily occurs that personnel slip and the security incident of air crash pendant thing; At present, mainly use multi-functionally can fold, can assemble, light small and exquisite omnipotent ladder solves the problems referred to above;
The existing omnipotent ladder in market is mostly " one " font or " people " font, but the function of the two is all more single, superimposed and launch shape underaction, and the shape supporting after launching can not change according to the actual installation situation of off-premises station, is difficult to meet well air-conditioning installation requirements.
Summary of the invention
The object of the present invention is to provide a kind of multifunctional ladder simple to operate, can be by splicing and combining realization " " word ladder, " people " word ladder, " L " type ladder, fall the Multifunctional Conversion of " second " word ladder, also can stack and be combined as vehicle, for the carrying work of air-conditioner and heavier erection equipment.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
, comprising ladder body, described ladder body comprises terraced bar for supporting and is arranged at intervals at laterally tramples bar on described terraced bar; Described ladder body is " people " font, or is " one " font, or is " L " type, or is " second " font of hangable handstand;
Described ladder body comprises main ladder support, secondary ladder and loaded plate; Described loaded plate and described secondary ladder respectively near or be positioned at the two ends of the terraced bar of described main ladder support;
Described secondary ladder comprises the short ladder of multistage, is " one " font described in multistage or angle type connects between short ladder by the first linkage;
Described secondary ladder and described main ladder support are by crossbeam, or the second linkage, or the 3rd linkage is connected.
Therein in an embodiment, " second " font that described ladder body is hangable handstand or be " one " font, or be " L " type;
One end of described secondary ladder and one end of described main ladder support are connected and fixed by described crossbeam.
Therein in an embodiment, " second " font that described ladder body is hangable handstand, the length of described main ladder support is close with the length of described secondary ladder; Described loaded plate and described secondary ladder lay respectively at the two ends of the terraced bar of described main ladder support, and lay respectively at the both sides of the tread of described main ladder support;
Described in the multistage of described secondary ladder, short ladder is the connection of " one " font by described the first linkage; The tread of described secondary ladder is parallel relative with the tread of described main ladder support, and one end of described secondary ladder and one end of described main ladder support are connected and fixed by crossbeam; Described crossbeam is simultaneously perpendicular to the tread of described main ladder support and the tread of described secondary ladder.
In an embodiment, described ladder body is " one " font therein, or is " L " type;
Described in the multistage of described secondary ladder, short ladder is the connection of " one " font; Described crossbeam is connected with described secondary ladder docking with described main ladder support simultaneously, and the tread of described main ladder support and the tread of described secondary ladder are in the same plane;
Angle between described loaded plate and the tread of described main ladder support is more than or equal to 0 degree and is less than or equal to 180 degree.
In an embodiment, described ladder body is " second " font of handstand therein; Described loaded plate and described secondary ladder lay respectively at the both sides of the tread of described main ladder support;
The plate face of described loaded plate and the angle between the tread of described main ladder support are greater than 0 degree;
Described in the multistage of described secondary ladder, short ladder is angle type by described the first linkage and connects, and described secondary ladder is have the angle type body of two crossing sides; The end of a wherein side of described secondary ladder is connected by described the second linkage with described main ladder support, and opposite side is relative with described main ladder support.
In an embodiment, the angle between the both sides of described secondary ladder is 90 degree therein;
The wherein end of a side of described secondary ladder and one end of described main ladder support are by described vertical being connected of the second linkage, and the opposite side of described secondary ladder is parallel relative with described main ladder support;
Plate face and the angle between the tread of described main ladder support of described loaded plate are 90 degree.
In an embodiment, described ladder body is " people " font therein, or is " one " font, or is " L " type;
Described in the multistage of described secondary ladder, short ladder is the connection of " one " font; One end of described secondary ladder and described main ladder support are hinged by described the 3rd linkage; Angle between the tread of described secondary ladder and the tread of described main ladder support, and the plate face of described loaded plate and the angle between the tread of described main ladder support, all be more than or equal to 0 degree and be less than or equal to 180 degree.
In an embodiment, the position that described loaded plate is connected with described main ladder support is positioned at one end of described main ladder support therein; The position that described secondary ladder is connected with described main ladder support is near the other end of described main ladder support.
In an embodiment, described main ladder support includes the parallel described terraced bar being oppositely arranged of two-way with described secondary ladder therein;
Described main ladder support comprises the ladder that multistage is sliceable, and every section of described sliceable ladder includes main terraced bar and the described bar of laterally trampling of two opposing parallel;
Every section of described short ladder of described secondary ladder includes two parallel relative pair ladder bars.
Therein in an embodiment, between the sliceable ladder of the multistage of described main ladder support, by connecting joint, dock fixing, or the suit that can mutually stretch, and being bolted.
In an embodiment, described the first linkage is bolt, insertion slot type connector or T-shaped connector or screw rod therein;
Described the second linkage is the slot being arranged on described main ladder support;
Described the 3rd linkage is connecting screw rod or junction plate or hinge type slot or is identical connecting rod with described the second linkage.
In an embodiment, described the first linkage, described the second linkage and described the 3rd linkage are folding hinge therein;
Every section of described short ladder of described secondary ladder or be wherein welded with one or more cross support arms on one section of described short ladder, what described cross support arm was parallel to described main ladder support laterally tramples bar.
In an embodiment, near described the first linkage place, be also provided with one and be parallel to described transverse support bar of laterally trampling bar therein.
In an embodiment, near described the second linkage place, be also provided with and be parallel to described another root transverse support bar of laterally trampling bar therein.
In an embodiment, described loaded plate and described main ladder support are hinged therein.
In an embodiment, one end that is connected with described loaded plate of described main ladder support is also provided with the roller that can drive described ladder body to move therein.
In an embodiment, described roller is arranged on the terraced bar of described main ladder support therein, and is positioned on the tread of a side relative with described loaded plate of described main ladder support; Described roller is two, between two described rollers, is provided with connecting rod.
In an embodiment, the bottom surface of described loaded plate is also provided with two expansion links therein, and described two described expansion links are two main terraced bars of close described main ladder support respectively; Described expansion link can be flexible to the parallel opposite side of plate face with described loaded plate.
In an embodiment, the cross section of described main ladder support and secondary ladder is non-circular structure therein.
In an embodiment, the material of described main ladder support and described secondary ladder is stainless steel therein.
Beneficial effect of the present invention:
Foldable combined ladder of the present invention is rational in infrastructure, convenient in carrying; Simple to operate, practical, can realize several functions, be applicable to multiple use and operating type, and its cost is lower.
Accompanying drawing explanation
For making object, technical scheme and the advantage of foldable combined ladder of the present invention and combined method thereof clearer, below in conjunction with drawings and Examples, the present invention is described in further details, but, should be noted that, described specific embodiment is only for the present invention is described below, but is not used for limiting scope of the present invention.
Fig. 1 a is the schematic diagram that the first embodiment of foldable combined ladder of the present invention is down " second " font;
Fig. 1 b is the schematic diagram that the first embodiment of foldable combined ladder of the present invention is " one " font;
Fig. 1 c is the schematic diagram of the first embodiment of foldable combined ladder of the present invention while being " L " type loading;
Fig. 2 a is the schematic diagram that the second embodiment of foldable combined ladder of the present invention is down " second " font;
Fig. 2 b is the schematic diagram that the second embodiment of foldable combined ladder of the present invention is " people " font;
Fig. 2 c is the schematic diagram of the second embodiment of foldable combined ladder of the present invention while being " L " type loading;
Fig. 3 a is the schematic diagram that the third embodiment of foldable combined ladder of the present invention is down " second " font;
Fig. 3 b is the schematic diagram that the third embodiment of foldable combined ladder of the present invention is " people " font;
Fig. 3 c is the schematic diagram of the third embodiment of foldable combined ladder of the present invention while being " L " type loading;
Fig. 4 a is the schematic diagram that the 4th kind of embodiment of foldable combined ladder of the present invention is down " second " font;
Fig. 4 b is the schematic diagram that the 4th kind of embodiment of foldable combined ladder of the present invention is " people " font;
Fig. 5 a is the schematic diagram that the 5th kind of embodiment of foldable combined ladder of the present invention is down " second " font;
Fig. 5 b is the schematic diagram that the 5th kind of embodiment of foldable combined ladder of the present invention is " people " font;
Fig. 6 a is the schematic diagram that the 6th kind of embodiment of foldable combined ladder of the present invention is down " second " font;
Fig. 6 b is the schematic diagram that the 6th kind of embodiment of foldable combined ladder of the present invention is " people " font;
Fig. 7 a is the schematic diagram that the 7th kind of embodiment of foldable combined ladder of the present invention is down " second " font;
The specific embodiment
Foldable combined ladder in the present embodiment, comprises ladder body, and described ladder body comprises terraced bar for supporting and is arranged at intervals at laterally tramples bar on described terraced bar; " second " font that described ladder body foldable combination is hangable handstand, or " people " font, or be " one " font, or be " L " type; Can be in order to meet the carrying of the instructions for use of several work, especially air-conditioning and the installation of off-premises station.
Further, described ladder body comprises main ladder support 100, secondary ladder 200 and loaded plate 300; Described loaded plate 300 and described secondary ladder 200 respectively near or be positioned at the two ends of the terraced bar of described main ladder support 100;
Described secondary ladder 200 comprises the short ladder of multistage, is " one " font described in multistage or angle type connects between short ladder by the first linkage, and preferably, the described secondary ladder 200 in the present embodiment comprises two sections short ladders 210,220; Described secondary ladder 200 passes through crossbeam 411,412 with described main ladder support 100, or the second linkage, or the 3rd linkage is connected.
Preferably, the described main ladder support 100 in the present embodiment includes the parallel described terraced bar being oppositely arranged of two-way with described secondary ladder 200;
Further, described main ladder support 100 comprises the sliceable ladder of multistage, and in the present embodiment, the sliceable ladder of described multistage is two sections, is respectively the first ladder 110, the second ladder 120; The terraced bar of every section of described sliceable ladder connects relatively, forms the main terraced bar of two opposing parallel of described main ladder support 100, is also provided with the described bar 103 of laterally trampling between described main terraced bar; The terraced bar of every section of described short ladder 210,220 of described secondary ladder 200 connects relatively, forms two parallel relative pair ladder bars of described secondary ladder 200.
As shown in Figure 1a, the first embodiment of the foldable combined ladder in the present embodiment: " second " font that described ladder body is hangable handstand; Described loaded plate 300 and described secondary ladder 200 lay respectively at the both sides of the tread of described main ladder support 100; The length of the length of described main ladder support 100 and described secondary ladder 200 is close; Make the vertical free end of its " second " font of standing upside down longer, can be applied to how different service conditions, for example, when installing an air-conditioner off-premises station, owing to carrying, windowsill or the blow vent of ladder is higher apart from flooring, needs the climbing distance grown, and ladder is long can be met.
Further, in the first embodiment, the described short ladder 210,220 of described secondary ladder 200 is " one " font by described the first linkage and connects; Wherein, described the first linkage is bolt; The tread of described secondary ladder 200 is parallel relative with the tread of described main ladder support 100, and one end of one end of described secondary ladder 200 and described main ladder support 100 is connected and fixed by two crossbeams 411,412; Described crossbeam 411,412 is simultaneously perpendicular to the tread of described main ladder support 100 and the tread of described secondary ladder 200.
Further, in the first embodiment, described ladder body can also be by " second " font of standing upside down, and conversion is the font for " ", or is " L " type, as shown in Fig. 1 b and 1c; Described crossbeam 411,412 is connected with described secondary ladder 200 docking with described main ladder support 100 simultaneously, and the tread of the tread of described main ladder support 100 and described secondary ladder 200 is in the same plane;
Wherein, after the conversion of described ladder body is for " one " font, open loaded plate 300, convertible being " L " type, and can use loaded plate 300 bearing goods;
When described ladder body is in " one " font, or while being " L " type, the angle between described loaded plate 300 and the tread of described main ladder support 100 is more than or equal to 0 degree and is less than or equal to 180 degree.
As shown in Fig. 2 a～2c, be the second embodiment of the described foldable combined ladder in the present embodiment, described ladder body is convertible is " second " font of handstand as shown in Figure 2 a, " people " font as shown in Figure 2 b, or is " L " type; When packing up loaded plate 300, can also be " one " font;
As shown in Fig. 2 a～2c, in the second embodiment, fixing by connecting joint 130 docking between the sliceable ladder 110,120 of described main ladder support;
Further, in the second embodiment, described loaded plate 300 is hinged with described main ladder support 100; The bottom surface of described loaded plate is also provided with 310,320, two described expansion links 310,320 of two expansion links, two main terraced bars of close described main ladder support 100 respectively.
In the second embodiment, when described ladder body is " second " font ladder of handstand as shown in Figure 2 a, described loaded plate 300 and described secondary ladder 200 lay respectively at the both sides of the tread of described main ladder support 100; Angle between the plate face of described loaded plate 300 and the tread of described main ladder support 100 is greater than 0 degree;
Further, the described short ladder 210,220 of described secondary ladder 200 is angle type by described the first linkage and connects, and described secondary ladder 200 is have the angle type body of two crossing sides; The end of a wherein side of described secondary ladder 200 i.e. the first short ladder 210 is connected by described the second linkage with described main ladder support 100, and the second short ladder 220 is relative with described main ladder support 100 for opposite side;
Preferably, the angle between the both sides of described secondary ladder 200 is 90 degree; Between the short ladder 220 of the first short ladder 210, second, be vertically connected;
Preferably, the end of a wherein side of described secondary ladder 200 and one end of described main ladder support 100 are by described vertical being connected of the second linkage, and the opposite side of described secondary ladder 200 is parallel relative with described main ladder support 100; As shown in Figure 2 a, the first short ladder 210 and described vertical being connected of main ladder support 100, the second short ladder 220 is parallel relative with described main ladder support 100; More preferably, the angle between the plate face of described loaded plate 300 and the tread of described main ladder support 100 is also 90 degree.
As shown in Fig. 2 b and 2c, in the second embodiment, when described ladder body conversion is " people " font and " L " type ladder, the described short ladder 210,220 of described secondary ladder 200 is " one " font and connects; One end of described secondary ladder 200 and described main ladder support 100 are hinged by described the 3rd linkage; Angle between the tread of the tread of described secondary ladder 200 and described main ladder support 100, and the angle between the plate face of described loaded plate 300 and the tread of described main ladder support 100, all be more than or equal to 0 degree and be less than or equal to 180 degree; When being " people " font, the angle between the tread of described secondary ladder 200 and the tread of described main ladder support 100 is greater than 0 degree and is less than 180 degree; When described ladder body is " L " type, the tread of the tread of described secondary ladder 200 and described main ladder support 100 coincides, and the angle between the two is 0 degree; Angle between the plate face of described loaded plate 300 and the tread of described main ladder support 100 is greater than 0 degree and is less than 180 degree, and preferably 90 spend, so that good bearing goods or people's pedal force; When being " L " type when ladder, the plate face of described loaded plate 300 is folded while coinciding to the tread with described main ladder support 100, just can make described foldable combined ladder conversion be " one " font.
Further, the position that described loaded plate 300 is connected with described main ladder support 100 is positioned at one end of described main ladder support 100; The position that described secondary ladder 200 is connected with described main ladder support 100 is near the other end of described main ladder support 100.
As shown in Fig. 2 a～2c, when the described foldable combined ladder in the present embodiment adopts the second embodiment, for connecting described first linkage of described the first short ladder 210 and the second short ladder 220, be T-shaped connector 510; Be used for making described secondary ladder 200 to be connected with described main ladder support 100, described the second linkage that conversion is " second " font ladder of handstand is the slot 610 that is arranged at described main ladder support 100 ends; Be used for making described secondary ladder 200 to be connected with described main ladder support 100, described the 3rd linkage that conversion is " people " font, " L " type and " one " font is connecting screw rod 710;
As shown in Fig. 3 a～3c, when the described foldable combined ladder in the present embodiment adopts the third embodiment, also convertible " second " font of handstand as shown in Figure 3 a, " people " font as shown in Figure 3 b of being, or be " L " type as shown in Figure 3 c, when packing up loaded plate 300, can also be " one " font;
In the third embodiment, the suit that can mutually stretch between the sliceable ladder 110,120 of described main ladder support, and be bolted; Be more convenient for converting the height of main ladder support 100, to adapt to different service conditions;
And for described secondary ladder 200 is connected with described main ladder support 100, described the 3rd linkage that conversion is " people " font, " L " type and " one " font changes junction plate 720 into;
Further, other implementation content in the third embodiment is identical with the second embodiment.
As shown in Fig. 4 a～4b, the 4th kind of embodiment of the described foldable combined ladder in the present embodiment, its primary structure and embodiment two, three are basic identical, and difference is:
One end that is connected with described loaded plate 300 of described main ladder support 100 is also provided with the roller that can drive described ladder body to move, and the quantity of the described roller in the present embodiment is two, is respectively the first roller 330, the second roller 340.
Preferably, described roller 330,340 is arranged on the main terraced bar of described main ladder support, and is positioned on described main ladder support and tread described loaded plate opposite side; Between two described rollers 330,340, be provided with connecting rod 350.
Preferably, the first roller 330, the second roller 340 are respectively three steamboats and form, as shown in Fig. 4 c, and when described foldable combined ladder conversion is " L " type, can also be for drawing cargo; And conveniently draw cargo to go upstairs.
And for described secondary ladder 200 is connected with described main ladder support 100, described the 3rd linkage that makes described ladder body conversion be " people " font, " L " type and " one " font is hinge type slot 730; Described hinge type slot 730 makes described secondary ladder 200 simpler, convenient with being connected of described main ladder support 100;
As shown in Fig. 5 a～5b, the 5th kind of embodiment of the described foldable combined ladder in the present embodiment, its primary structure and embodiment four are basic identical, and difference is:
For connecting described first linkage of described the first short ladder 210 and the second short ladder 220, it is insertion slot type connector 520; And described the second linkage and described the 3rd linkage are connecting rod 620; Like this, between main ladder support 100 and secondary ladder 200, can reconnect and just can make described foldable combined ladder convert between " second " font, " people " font, " L " type and " one " font of standing upside down.
Preferably, near described connecting rod 620 places, be also provided with one and be parallel to described transverse support bar 810 of laterally trampling bar 103; Near described the second linkage place, be also provided with and be parallel to described another root transverse support bar 820 of laterally trampling bar 103; When described foldable combined ladder conversion is " second " font of handstand, described transverse support bar 810 can guarantee to make described secondary ladder 200 and described vertical being connected of main ladder support 100, and described another root transverse support bar 820 can guarantee to be vertically connected between the first short ladder 210 and the second short ladder 220.
As shown in Fig. 6 a～6b, the 6th kind of embodiment of the described foldable combined ladder in the present embodiment, its primary structure and embodiment five are basic identical, and difference is:
Described the first linkage is folding hinge 530, and described the second linkage and described the 3rd linkage are another folding hinge 630;
In six kinds of embodiments, three linkages all adopt Hinge, make more direct, the convenient conversion of described foldable combined ladder be " second " font of handstand or " people " font, " L " type and " one " font; And can save transverse support bar 810,820; By the position of secondary ladder 200 is rationally set, when lifting secondary ladder 200, just can guarantee to make mutually top vertical with main ladder support 100, its one end; Another folding hinge 630 makes can be to be less than or equal to 180 arbitrarily angled folding, so that applicable different use occasion between the first short ladder 210 and the second short ladder 220.
As shown in Figure 7a, the 7th kind of embodiment of the described foldable combined ladder in the present embodiment, its primary structure is also basic identical with embodiment five, and difference is:
Described the first linkage is screw rod 540; Make like this first short ladder 210 and the second short ladder 220 arbitrarily angledly fold, to be suitable for more use occasion.
Preferably, as shown in Fig. 5 a, 6a, 7a, in every section of described short ladder 210,220 of the described secondary ladder 200 in embodiment five, six, seven, or wherein on one section of described short ladder, be welded with one or more cross support arms 230, what described cross support arm 230 was parallel to described main ladder support laterally tramples bar 103.
Preferably, the described main ladder support 100 in the present embodiment and the cross section of secondary ladder 200 are non-circular structure, adopt in the above-described embodiment square structure.
Preferably, in above-mentioned embodiment, the material of described main ladder support 100 and described secondary ladder 200 is stainless steel.
Finally it should be noted that obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification.
Claims (20)
1. a foldable combined ladder, comprises ladder body, and described ladder body comprises terraced bar for supporting and is arranged at intervals at laterally tramples bar on described terraced bar; It is characterized in that: described ladder body is " people " font, or is " one " font, or is " L " type, or is " second " font of hangable handstand;
Described ladder body comprises main ladder support, secondary ladder and loaded plate; Described loaded plate and described secondary ladder respectively near or be positioned at the two ends of the terraced bar of described main ladder support;
Described secondary ladder comprises the short ladder of multistage, is " one " font described in multistage or angle type connects between short ladder by the first linkage;
Described secondary ladder and described main ladder support are by crossbeam, or the second linkage, or the 3rd linkage is connected.
2. foldable combined ladder according to claim 1, is characterized in that:
" second " font that described ladder body is hangable handstand or for " one " font, or be " L " type;
One end of described secondary ladder and one end of described main ladder support are connected and fixed by described crossbeam.
3. foldable combined ladder according to claim 2, is characterized in that:
" second " font that described ladder body is hangable handstand, the length of described main ladder support is close with the length of described secondary ladder; Described loaded plate and described secondary ladder lay respectively at the two ends of the terraced bar of described main ladder support, and lay respectively at the both sides of the tread of described main ladder support;
Described in the multistage of described secondary ladder, short ladder is the connection of " one " font by described the first linkage; The tread of described secondary ladder is parallel relative with the tread of described main ladder support, and one end of described secondary ladder and one end of described main ladder support are connected and fixed by crossbeam; Described crossbeam is simultaneously perpendicular to the tread of described main ladder support and the tread of described secondary ladder.
4. foldable combined ladder according to claim 2, is characterized in that:
Described ladder body is " one " font, or is " L " type;
Described in the multistage of described secondary ladder, short ladder is the connection of " one " font; Described crossbeam is connected with described secondary ladder docking with described main ladder support simultaneously, and the tread of described main ladder support and the tread of described secondary ladder are in the same plane;
Angle between described loaded plate and the tread of described main ladder support is more than or equal to 0 degree and is less than or equal to 180 degree.
5. foldable combined ladder according to claim 1, is characterized in that:
Described ladder body " second " font for standing upside down; Described loaded plate and described secondary ladder lay respectively at the both sides of the tread of described main ladder support;
The plate face of described loaded plate and the angle between the tread of described main ladder support are greater than 0 degree;
Described in the multistage of described secondary ladder, short ladder is angle type by described the first linkage and connects, and described secondary ladder is have the angle type body of two crossing sides; The end of a wherein side of described secondary ladder is connected by described the second linkage with described main ladder support, and opposite side is relative with described main ladder support.
6. foldable combined ladder according to claim 5, is characterized in that:
Angle between the both sides of described secondary ladder is 90 degree;
The wherein end of a side of described secondary ladder and one end of described main ladder support are by described vertical being connected of the second linkage, and the opposite side of described secondary ladder is parallel relative with described main ladder support;
Plate face and the angle between the tread of described main ladder support of described loaded plate are 90 degree.
7. foldable combined ladder according to claim 1, is characterized in that:
Described ladder body is " people " font, or is " one " font, or is " L " type;
Described in the multistage of described secondary ladder, short ladder is the connection of " one " font; One end of described secondary ladder and described main ladder support are hinged by described the 3rd linkage; Angle between the tread of described secondary ladder and the tread of described main ladder support, and the plate face of described loaded plate and the angle between the tread of described main ladder support, all be more than or equal to 0 degree and be less than or equal to 180 degree.
8. foldable combined ladder according to claim 7, is characterized in that:
The position that described loaded plate is connected with described main ladder support is positioned at one end of described main ladder support; The position that described secondary ladder is connected with described main ladder support is near the other end of described main ladder support.
9. according to the foldable combined ladder described in claim 1 to 8 any one, it is characterized in that:
Described main ladder support includes the parallel described terraced bar being oppositely arranged of two-way with described secondary ladder;
Described main ladder support comprises the ladder that multistage is sliceable, and every section of described sliceable ladder includes main terraced bar and the described bar of laterally trampling of two opposing parallel;
Every section of described short ladder of described secondary ladder includes two parallel relative pair ladder bars.
10. foldable combined ladder according to claim 9, is characterized in that:
Between the sliceable ladder of the multistage of described main ladder support, by connecting joint, dock fixing, or the suit that can mutually stretch, and being bolted.
11. foldable combined ladders according to claim 9, is characterized in that:
Described the first linkage is bolt, insertion slot type connector or T-shaped connector or screw rod;
Described the second linkage is the slot being arranged on described main ladder support;
Described the 3rd linkage is connecting screw rod or junction plate or hinge type slot or is identical connecting rod with described the second linkage.
12. foldable combined ladders according to claim 9, is characterized in that:
Described the first linkage, described the second linkage and described the 3rd linkage are folding hinge;
Every section of described short ladder of described secondary ladder or be wherein welded with one or more cross support arms on one section of described short ladder, what described cross support arm was parallel to described main ladder support laterally tramples bar.
13. foldable combined ladders according to claim 12, is characterized in that:
Near described the first linkage place, be also provided with one and be parallel to described transverse support bar of laterally trampling bar.
14. foldable combined ladders according to claim 13, is characterized in that:
Near described the second linkage place, be also provided with and be parallel to described another root transverse support bar of laterally trampling bar.
15. according to the foldable combined ladder described in claim 1 to 8 any one, it is characterized in that:
Described loaded plate and described main ladder support are hinged.
16. foldable combined ladders according to claim 15, is characterized in that:
One end that is connected with described loaded plate of described main ladder support is also provided with the roller that can drive described ladder body to move.
17. foldable combined ladders according to claim 16, is characterized in that:
Described roller is arranged on the terraced bar of described main ladder support, and is positioned on the tread of a side relative with described loaded plate of described main ladder support; Described roller is two, between two described rollers, is provided with connecting rod.
18. foldable combined ladders according to claim 15, is characterized in that:
The bottom surface of described loaded plate is also provided with two expansion links, and described two described expansion links are two main terraced bars of close described main ladder support respectively; Described expansion link can be flexible to the parallel opposite side of plate face with described loaded plate.
19. according to the foldable combined ladder described in claim 1 to 8 any one, it is characterized in that:
The cross section of described main ladder support and secondary ladder is non-circular structure.
20. foldable combined ladders according to claim 19, is characterized in that:
The material of described main ladder support and described secondary ladder is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210290777.7A CN103590744B (en) | 2012-08-15 | 2012-08-15 | Folding combined ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210290777.7A CN103590744B (en) | 2012-08-15 | 2012-08-15 | Folding combined ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103590744A true CN103590744A (en) | 2014-02-19 |
| CN103590744B CN103590744B (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210290777.7A Expired - Fee Related CN103590744B (en) | 2012-08-15 | 2012-08-15 | Folding combined ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103590744B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104389508A (en) * | 2014-11-18 | 2015-03-04 | 国网安徽省电力公司阜阳供电公司 | High-altitude special operation platform |
| CN105155829A (en) * | 2014-06-10 | 2015-12-16 | 周燕 | Outdoor operating machine of outdoor unit of air conditioner |
| CN109140361A (en) * | 2018-09-25 | 2019-01-04 | 江苏鑫顺达智慧照明科技有限公司 | A kind of solar street light convenient for repairing by climbing |
| CN113696156A (en) * | 2021-08-31 | 2021-11-26 | 长沙学院 | Supplementary installation maintenance device of outer machine of portable air conditioner |
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| CN202866629U (en) * | 2012-08-15 | 2013-04-10 | 珠海格力电器股份有限公司 | Folding combined ladder |
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| US3104889A (en) * | 1963-09-24 | branch | ||
| US5382032A (en) * | 1993-06-11 | 1995-01-17 | Wilson; James R. | Stepladder dolly |
| CN2700534Y (en) * | 2004-04-28 | 2005-05-18 | 冯丽君 | Air-conditioning ladder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105155829A (en) * | 2014-06-10 | 2015-12-16 | 周燕 | Outdoor operating machine of outdoor unit of air conditioner |
| CN104389508A (en) * | 2014-11-18 | 2015-03-04 | 国网安徽省电力公司阜阳供电公司 | High-altitude special operation platform |
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| CN113696156A (en) * | 2021-08-31 | 2021-11-26 | 长沙学院 | Supplementary installation maintenance device of outer machine of portable air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103590744B (en) | 2016-09-28 |
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