CN110847633B - Foldable assembled safety ladder - Google Patents
Foldable assembled safety ladder Download PDFInfo
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- CN110847633B CN110847633B CN201910881225.5A CN201910881225A CN110847633B CN 110847633 B CN110847633 B CN 110847633B CN 201910881225 A CN201910881225 A CN 201910881225A CN 110847633 B CN110847633 B CN 110847633B
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- ladder
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G27/00—Temporary arrangements for giving access from one level to another for men or vehicles, e.g. steps, ramps
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
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Abstract
The invention relates to the technical field of municipal engineering, in particular to a foldable assembled safety ladder, which comprises a plurality of folding units consisting of ladder beams, wherein the folding units are rigidly connected to form a ladder beam part, then handrail parts are assembled on the ladder beam part, fixing seats are fixed at the upper end and the lower end of the ladder beam part, and the ladder beam part is fixed in a groove. The invention can select the assembled modulus and the inclined angle, has universality, can be folded and disassembled, and is convenient for transportation and cyclic utilization.
Description
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a foldable and assembled safety ladder.
Background
At present, municipal engineering deep groove construction is very common, and the setting of safety ladders is disordered and clustered during the deep groove construction, so that the safety ladders are not standard. The reason is the reason, because of the slot degree of depth differs, the slope differs, and present emergency ladder does not have the universality, need make the emergency ladder of adaptation alone to the slot of difference, and the emergency ladder cost of manufacture is higher, and the single cost is higher, and the emergency ladder transportation is inconvenient, has further increased the cost. Therefore, at present, a safety ladder which is convenient to transport and install, can be adjusted according to the modulus and can be recycled is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a foldable and assembled safety ladder.
The invention is realized by the following technical scheme: a foldable assembled safety ladder comprises ladder beams connected together through foot pedals, wherein a folding unit is formed by a plurality of sections of ladder beams, the end surfaces of two ends of the ladder beams in the folding unit are symmetrical inclined surfaces, the end surface of the outer end of the ladder beam at any end in the folding unit is a vertical plane, the ladder beams in the folding unit are hinged together, and the ladder beams rotate at the hinged positions to enable the inclined surfaces of the adjacent ladder beams to be attached tightly to realize the folding of the folding unit; the hinge joint of the ladder beam in the folding unit and the vertical planes of the adjacent folding units are rigidly connected together through a connecting piece; the upper surface of the vertical ladder beam is fixedly provided with an inserting pipe A, the inserting pipe A is inserted with a T-shaped handrail frame, and the T-shaped handrail frames are connected together through an inserting connecting pipe; the lower surface of the ladder beam is vertically and downwards fixed with an inserting pipe B which is inserted with an adjusting pipe; still include two fixing bases, two fixing bases pass through the bolt respectively with emergency staircase's upper end and lower extreme fixed connection, the fixing base includes the stationary plane, and the stationary plane is fixed with a plurality of insertion posts downwards.
Furthermore, the folding unit comprises six sections of ladder beams, the inclination angle of the inclined plane of each ladder beam is 60 degrees, and the folding unit forms a hexagonal shape after being folded.
Furthermore, the ladder beams in the folding unit are hinged together through hinges and hinge plates.
Furthermore, the connecting piece is a U-shaped groove, the width of the U-shaped groove is equal to that of the ladder beam, a notch is reserved in the position, corresponding to the pedal, of the side face of the U-shaped groove, the U-shaped groove blocks the hinge joint or the folding unit joint of the ladder beam from bottom to top, anchor bolt holes are reserved in the ladder beam and the U-shaped groove, and the U-shaped groove and the ladder beam are fixed together through detachable anchor bolts.
Furthermore, the connecting piece is a bottom plate, the width of the bottom plate is equal to the width of the ladder beam, the bottom plate is placed on the bottom surface of the joint of the ladder beam or the folding unit, anchor bolt holes are reserved in the bottom plate and the ladder beam, and the bottom plate and the ladder beam are fixed together through detachable anchor bolts.
Further, the insertion column is a screw or a steel chisel.
Furthermore, the inserting pipe A and the T-shaped armrest frame and the connecting pipe are further fixed through bolts.
Furthermore, the foot board and the ladder beam are welded together, and the included angle between the foot board and the ladder beam is 53 degrees.
Furthermore, the inserting pipe A and the inserting pipe B are both welded on the ladder beam.
Furthermore, the ladder beam, the pedal, the connecting piece, the T-shaped handrail frame, the inserting pipe A, the inserting pipe B, the connecting pipe, the adjusting pipe and the fixed seat are all made of steel.
Compared with the existing groove safety ladder, the foldable assembled safety ladder has the following beneficial effects:
1. the safety ladder is foldable, convenient to disassemble and assemble and convenient to transport, and solves the problems that the groove safety ladder is difficult to transport and install, low in turnover utilization rate and the like.
2. The safety ladder has the advantages that the modulus is adjustable, the assembly can be adjusted according to the depth and the angle of the groove, the safety ladder can be recycled, the universality is greatly improved, and the cost is reduced.
3. The safety ladder is fixed in the upper soil layer and the bottom soil layer of the groove through the fixing seat, and the inserting pipe B or the adjusting pipe is fixed in the soil layer of the slope of the groove, so that the stability and the safety of the safety ladder are guaranteed.
Drawings
Fig. 1 is a schematic structural view of a folding unit of the present invention.
Fig. 2 is a schematic structural view of the connection of the ladder beam and the folding unit of the present invention.
Fig. 3 is a schematic assembled structure of the present invention.
In the figure, a pedal 1, a ladder beam 2, an inclined plane 3, a vertical plane 4, a connecting pipe 5, a handrail frame 6T, a connecting pipe 7, a connecting pipe 8, a fixing plane 9, an inserting column 10, a hinge 11, a hinge plate 12, a U-shaped groove 13, a notch 14 and a detachable anchor bolt 15 are arranged.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The safety ladder comprises three parts, namely a ladder beam part, a handrail part and a fixing part, wherein the three parts can be disassembled and assembled, and the three parts are described in detail below.
Firstly, the ladder beam part is formed by combining and fixing a plurality of folding units, the folding units are formed by hinging a plurality of ladder beams 2, and pedals 1 are fixedly connected between the ladder beams 2 corresponding to two sides. The fixed connection of the pedal 1 and the ladder beam 2 has various structural forms at present and is within the protection scope of the invention. In the preferred embodiment, the footboard 1 and the ladder beam 2 are welded together, and the included angle between the footboard 1 and the ladder beam 2 is 53 °.
The end surface of the outermost end of the ladder beam 2 at either end of each folding unit is a vertical plane 4, except that the end surfaces of the rest ladder beams 2 in the folding unit are all inclined planes 3 which are symmetrical and have the same inclination angle. Inclined plane 3 between the ladder roof beam 2 in the folding unit articulates together for ladder roof beam 2 can rotate in articulated department, makes the inclined plane 3 of adjacent ladder roof beam 2 paste tightly after rotating, thereby realizes folding unit's folding. The existing hinge structures capable of realizing the above functions are all within the protection scope of the invention. In the embodiment, the ladder beams 2 of the folding unit are hinged together through hinges 11, and then hinge plates 12 are fixed below the hinges 11 for further reinforcement.
After the folding units are folded, any polygons such as triangle, quadrangle and pentagon can be formed, the number of the ladder beams 2 of each folding unit and the inclination angle of the inclined surface 3 of the ladder beam 2 are selected according to requirements, and then different folding shapes are formed. The folding unit is folded to form a regular polygon connected end to end. In the following, an example of a regular hexagon is given, but the invention is not limited thereto. The folding unit comprises six sections of ladder beams 2, the end face of only one outermost ladder beam 2 in the six sections of ladder beams 2 is a vertical plane 4, the end faces of the rest ladder beams 2 are inclined planes 3 with an inclined angle of 60 degrees, namely, the inclined angle between the inclined plane 3 of the ladder beam 2 and the lower plane is 60 degrees, after the folding unit is unfolded, the included angle formed by the adjacent inclined planes 3 is 60 degrees, and the folding unit is folded to form a hexagonal shape, as shown in the attached drawing 1.
The vertical plane 4 of the ladder beam 2 at the outermost end of the folding unit is used for assembling between two folding units, when the two folding units are connected, the folding units are unfolded, then the vertical planes 4 of each other are aligned, the two vertical planes 4 are rigidly connected together through a connecting piece, and simultaneously, the ladder beams 2 of the folding units are also rigidly connected together through the connecting piece, so that the joint of the two folding units and the hinge joint of the ladder beam 2 of the folding unit cannot rotate, and a rigid and stable connecting body is formed. In the prior art, the connecting piece capable of achieving the above purpose has various forms and structures, and the existing connecting piece is within the protection scope of the invention as long as the above function can be achieved. The structure of connecting piece can be for example a bottom plate, and the bottom plate is selected to a plane steel sheet, and the width of steel sheet equals with the width of terraced roof beam 2, or the width of steel sheet slightly is greater than the width of terraced roof beam 2, is equipped with the anchor bolt hole on the steel sheet, is equipped with the anchor bolt hole that corresponds with the steel sheet on terraced roof beam 2, and during the fixing, place the steel sheet in the articulated department in terraced roof beam 2 below, then fix steel sheet and terraced roof beam 2 together through dismantling crab-bolt 15 for no longer rotate between two terraced roof beams 2 of articulated department, form rigid connection. When folding unit connects, with folding unit's vertical plane 4 alignment, place the steel sheet in two vertical plane 4 below, same steel sheet and ladder roof beam 2 are equipped with corresponding anchor bolt hole, are in the same place steel sheet and ladder roof beam 2 are fixed through dismantling crab-bolt 15, so, rigid connection is in the same place between two folding units, and the junction is firm, no longer rotates.
In the preferred embodiment, the connecting member is a U-shaped groove 13, the width of the U-shaped groove 13 is equal to the width of the ladder beam 2, a notch 14 is reserved at a position corresponding to the pedal 1 on the side of the U-shaped groove 13, when the U-shaped groove 13 blocks the hinge of the ladder beam 2 or the connection of the folding units from bottom to top, the pedal 1 is just located at the notch 14, the U-shaped groove 13 can not be obstructed by the pedal 1, similarly, corresponding anchor holes are arranged on the ladder beam 2 and the U-shaped groove 13, and the U-shaped groove 13 and the ladder beam 2 are fixed together by a detachable anchor 15, so that the rigid connection between the folding units, the ladder beam 2 and the ladder beam 2 is realized, as shown in fig. 2.
The upper surface of the ladder beam 2 is welded with the insertion pipe A5, the insertion pipe A5 is perpendicular to the upper surface of the ladder beam 2, the insertion pipe A5 is used for inserting the handrail part, the handrail part comprises T-shaped handrail frames 6, the T-shaped handrail frames 6 are downwards inserted into the insertion pipe A5, the adjacent T-shaped handrail frames 6 are connected together through the connecting pipe 7, and the connecting pipe 7 and the T-shaped handrail frames 6 are inserted together. In order to further increase the connection stability, the plug pipe A5 and the T-shaped armrest frame 6 are both provided with plug pin holes, and the plug pipe A5 and the T-shaped armrest frame 6 are further fixed through plug pins after being plugged; and the connecting pipe 7 and the T-shaped armrest frame 6 are also further fixed through a bolt after being inserted.
The lower surface of the ladder beam 2 is vertically welded with an inserting pipe B8 downwards, and an adjusting pipe can be inserted into the inserting pipe B8. The adjusting pipe is used for adjusting the inclination angle of the whole safety ladder and is used for adapting to the inclination angle of the groove, the adjusting pipe is directly inserted into the inserting pipe B8, the adjusting pipe can be used for preparing steel pipes with different lengths as required, and the length of the adjusting pipe is selected as required. If the inclination angle of the assembled safety ladder is consistent with that of the groove, the inserting pipe B8 does not need to be inserted with an adjusting pipe.
The safety ladder also comprises a fixing part, wherein the fixing part is provided with two fixing seats, and the two fixing seats are respectively and fixedly connected with the upper end and the lower end of the safety ladder through bolts. The fixing seat comprises a fixing surface 9, the fixing surface 9 is a plane, a plurality of inserting columns 10 are fixed on the vertical fixing surface 9 downwards, and the inserting columns 10 are used for inserting soil layers to further fix the safety ladder. The insertion column 10 can be a screw or a steel chisel or other structures which are easy to insert into the soil layer. In this embodiment, the insertion column 10 is a screw, and the screw is uniformly fixed on the fixing surface 9 with the tip facing downward.
Preferably, the ladder beam 2, the footboard 1, the connecting piece, the T-shaped armrest frame 6, the insertion pipe a5, the insertion pipe B8, the connecting pipe 7, the adjusting pipe and the fixed seat are all made of steel.
The safety ladder of this embodiment, during the use, will fold the unit and expand, then follow supreme card in U type groove 13 and at the articulated department of ladder roof beam 2, during the placement, U type groove 13 notch 14 aligns running-board 1, and U type groove 13 aligns with the crab-bolt hole on the ladder roof beam 2, then through dismantling crab-bolt 15 with U type groove 13 and ladder roof beam 2 together fixed, fold the unit and can no longer fold the rotation like this. Then align folding unit's vertical plane 4, follow supreme card in vertical plane 4 junction down with U type groove 13, during the placement, U type groove 13 notch 14 aligns running-board 1, and U type groove 13 aligns with the crab-bolt hole on the ladder beam 2, then fixes U type groove 13 and ladder beam 2 together through dismantling crab-bolt 15, realizes the rigid connection between the folding unit. And selecting the number of the folding units to be assembled according to the requirement. After the assembly of the ladder beam part of the safety ladder is completed, whether the adjusting pipe or the length of the inserted adjusting pipe is inserted into the inserting pipe B8 is selected according to the inclination of the groove, after the assembly is completed, the ladder beam part of the safety ladder is installed into the groove through a crane, and during the installation, the inserting pipe B8 or the adjusting pipe part is inserted into a soil layer with the inclined groove, so that the whole ladder beam part is fixed on the groove. Then fixing a fixed seat at the lowest end through a bolt, wherein when the fixed seat is fixed, a fixed surface 9 is placed on the plane of the bottom surface of the groove, and an insertion column 10 is inserted into a soil layer on the bottom surface of the groove; the fixing seat is fixed at the uppermost end of the ladder beam part through a bolt, the fixing surface 9 of the fixing seat is placed on the plane at the upper end of the groove, and the inserting column 10 is inserted into the soil layer at the upper end of the groove. Therefore, the safety ladder is firmly fixed on the groove through the insertion pipe B8 or the adjusting pipe and the upper and lower fixed seats. And finally, inserting the T-shaped armrest frame 6 into the insertion pipe A5, fixing the T-shaped armrest frame by the inserted pin, inserting the two ends of the T-shaped armrest frame 6 into the connecting pipe 7, fixing the T-shaped armrest frame by the inserted pin, assembling an armrest part, and using the assembled T-shaped armrest frame after the assembly is finished.
After the folding unit is used, the bolt is pulled out, the handrail part and the ladder beam part are separated, the fixing seat and the ladder beam part are separated, the ladder beam part is moved out of the groove by using a crane, the detachable bolt and the U-shaped groove 13 are taken down, the folding unit is folded and stacked, and the folding unit is transported and put into next use.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; those of ordinary skill in the art will understand that: the technical solutions described in the above embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a collapsible emergency ladder of assembling, includes ladder roof beam (2) that link together through running-board (1), its characterized in that: the folding unit is characterized in that the sections of ladder beams (2) form a folding unit, the end faces of two ends of the ladder beams (2) in the folding unit are symmetrical inclined planes (3), the end face of the outer end of the ladder beam (2) at any end in the folding unit is a vertical plane (4), the ladder beams (2) in the folding unit are hinged together, and the ladder beams (2) rotate at the hinged position to enable the inclined planes (3) of the adjacent ladder beams (2) to be attached tightly to realize the folding of the folding unit; the hinged part of the ladder beam (2) in the folding unit and the vertical plane (4) of the adjacent folding unit are rigidly connected together through a connecting piece; an inserting pipe A (5) is fixed on the upper surface of the vertical ladder beam (2), a T-shaped handrail frame (6) is inserted on the inserting pipe A (5), and the T-shaped handrail frames (6) are connected together through an inserting connecting pipe (7); an inserting pipe B (8) is vertically and downwards fixed on the lower surface of the ladder beam (2), and the inserting pipe B (8) is inserted into the adjusting pipe; still include two fixing bases, two fixing bases pass through the bolt respectively with emergency staircase's upper end and lower extreme fixed connection, the fixing base includes stationary plane (9), and stationary plane (9) are fixed with a plurality of insertion post (10) downwards.
2. The foldably assembled safety ladder of claim 1, wherein: the folding unit comprises six sections of ladder beams (2), the inclination angle of the inclined surface (3) of each ladder beam (2) is 60 degrees, and the folding unit forms a hexagonal shape after being folded.
3. The foldably assembled safety ladder of claim 2, wherein: ladder beams (2) in the folding unit are hinged together through hinges (11) and hinge plates (12).
4. The foldably assembled safety ladder of claim 1, wherein: the connecting piece is U type groove (13), and the width in U type groove (13) equals with the width of ladder beam (2), and U type groove (13) side is reserved to the position that corresponds running-board (1) has notch (14), and U type groove (13) are blocked ladder beam (2) articulated department or folding unit junction from bottom to top, reserve the anchor bolt hole on ladder beam (2) and U type groove (13), and it is together fixed with ladder beam (2) to be in the same place U type groove (13) through dismantling crab-bolt (15).
5. The foldably assembled safety ladder of claim 1, wherein: the connecting piece is a bottom plate, and the width of bottom plate equals with terraced roof beam (2) width, and the bottom plate is placed in the articulated department of terraced roof beam (2) or the bottom surface of folding unit junction, reserves anchor bolt hole on bottom plate and terraced roof beam (2), fixes bottom plate and terraced roof beam (2) together through dismantling crab-bolt (15).
6. The foldably assembled safety ladder of claim 1, wherein: the inserting column (10) is a screw or a steel chisel.
7. The foldably assembled safety ladder of claim 1, wherein: the inserting pipe A (5) and the T-shaped armrest frame (6) and the connecting pipe (7) are further fixed through bolts respectively.
8. The foldably assembled safety ladder of claim 1, wherein: the pedal (1) and the ladder beam (2) are welded together, and the included angle between the pedal (1) and the ladder beam (2) is 53 degrees.
9. The foldably assembled safety ladder of claim 1, wherein: the inserting pipe A (5) and the inserting pipe B (8) are welded on the ladder beam (2).
10. The foldably assembled safety ladder of claim 1, wherein: the ladder beam (2), the pedal (1), the connecting piece, the T-shaped handrail frame (6), the inserting pipe A (5), the inserting pipe B (8), the connecting pipe (7), the adjusting pipe and the fixed seat are all made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910881225.5A CN110847633B (en) | 2019-09-18 | 2019-09-18 | Foldable assembled safety ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910881225.5A CN110847633B (en) | 2019-09-18 | 2019-09-18 | Foldable assembled safety ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110847633A CN110847633A (en) | 2020-02-28 |
| CN110847633B true CN110847633B (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910881225.5A Active CN110847633B (en) | 2019-09-18 | 2019-09-18 | Foldable assembled safety ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110847633B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422809B (en) * | 2013-06-06 | 2015-04-15 | 西安交通大学 | Portable curling ladder |
| CN203515294U (en) * | 2013-09-26 | 2014-04-02 | 安徽工程大学 | Combined ladder |
| CN204827204U (en) * | 2015-07-25 | 2015-12-02 | 廊坊富邦德石油机械制造有限公司 | Portable guardrail of ladder for oil -well rig |
| CN205558779U (en) * | 2016-01-26 | 2016-09-07 | 安徽师范大学 | Detachable ladder |
| CN106761367B (en) * | 2016-12-19 | 2018-08-10 | 深圳愚乐园现代农林科技发展有限公司 | A kind of composable and dismounting terraced fields special-purpose ladder |
| CN208010273U (en) * | 2018-01-12 | 2018-10-26 | 李忠林 | A kind of novel quick detachable oblique steel ladder of pin-connected panel |
| CN108331521A (en) * | 2018-01-31 | 2018-07-27 | 安吉星麦文化传媒有限公司 | A kind of portable fire-fighting cat ladder and its application method |
| CN208456481U (en) * | 2018-05-04 | 2019-02-01 | 南京林业大学 | A kind of ladder for the foldable of electric power overhaul and splicing |
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2019
- 2019-09-18 CN CN201910881225.5A patent/CN110847633B/en active Active
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