CN219910608U - Multifunctional fire ladder - Google Patents
Multifunctional fire ladder Download PDFInfo
- Publication number
- CN219910608U CN219910608U CN202320846860.1U CN202320846860U CN219910608U CN 219910608 U CN219910608 U CN 219910608U CN 202320846860 U CN202320846860 U CN 202320846860U CN 219910608 U CN219910608 U CN 219910608U
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- ladder
- rod
- ladder body
- locking
- supporting part
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- 230000000670 limiting effect Effects 0.000 claims description 17
- 206010061258 Joint lock Diseases 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009194 climbing Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 8
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 230000001174 ascending effect Effects 0.000 description 5
- 230000008602 contraction Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001503987 Clematis vitalba Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Ladders (AREA)
Abstract
The utility model provides a multifunctional fire ladder, and relates to the technical field of ladders. Including the ladder body and two supporting parts that set up in pairs, be equipped with the connecting piece of rotating with the ladder body on the supporting part, set up the installation department in the ladder body, be equipped with a plurality of steps in the installation department, be equipped with the landing plate between the step. When the equipment is required to be converted into a platform ladder, the supporting part is required to rotate on the ladder body until the supporting part is mutually perpendicular to the ladder body; when the equipment is required to be converted into a straight ladder, the supporting part is required to rotate on the ladder body until the supporting part is parallel to the ladder body, the platform plate is disassembled, two adjustable hooks are arranged on the top of the ladder, so that windowsills with different thicknesses can be used, and the rope descent control device detachably arranged on the top of the ladder can ensure that climbing personnel can improve safety; the device can provide multiple choices for users, ensures that the device can adapt to different working environments, and is safer and more practical than the traditional fire-fighting hook ladder.
Description
Technical Field
The utility model relates to the technical field of ladders, in particular to a multifunctional fire ladder.
Background
Traditional ladder or extension ladder and hook ladder in market at present. Comprises two vertical rods and a crosspiece which is erected between the two vertical rods and can only be used vertically, namely only provides a single function of ascending height.
However, when the ladder is used in accident rescue of a large truck, windowsills with different thicknesses, buildings, decoration and scenes, a user often needs to stand at a certain height position to perform long-time operation by means of the ladder after ascending, and the ladder which can only be used vertically cannot provide a working platform and cannot provide a protection function for people falling from the ladder, so that the traditional ladder cannot be better suitable for the situation, and the actual requirements of ascending operation and climbing protection cannot be met.
Disclosure of Invention
The utility model aims to provide a multifunctional fire ladder which can solve the problems of the background technology.
The technical scheme of the utility model is realized as follows:
the utility model provides a multifunctional fire ladder which comprises a ladder body and two supporting parts arranged in pairs, wherein a connecting piece which is rotationally connected with the ladder body is arranged on the supporting parts, an installation opening is formed in the ladder body, a plurality of steps are arranged in the installation opening along the extending direction of the ladder body, and a platform plate is arranged between any two steps.
In some technical schemes of the utility model, the platform plate comprises a frame, a metal net is arranged in the frame, two ribs are arranged on the frame in pairs, and limit grooves matched with the ribs are arranged on the outer side wall of the step.
In some technical schemes of the utility model, the supporting part comprises two supporting rods which are arranged in pairs, a cross rod is arranged between the two supporting rods, telescopic rods are respectively arranged in the two supporting rods in a penetrating way, a locking component for controlling the telescopic rods to stretch and retract is arranged in the supporting rods, and a step is arranged between the two telescopic rods.
In some technical schemes of the utility model, the locking component comprises a locking rod, a plurality of locking holes are formed in the outer side wall of the supporting rod along the extending direction of the locking rod, and a plurality of limiting holes corresponding to the locking holes are formed in the outer side wall of the telescopic rod along the extending direction of the telescopic rod; when one of the locking holes is opposite to the limit hole, the locking rod is threaded with the limit hole after penetrating through the locking hole.
In some technical schemes of the utility model, the connecting piece is two ladder joint locks arranged in pairs, the two ladder joint locks are arranged on the supporting part, and the ladder body is connected with the other ends of the two ladder joint locks.
In some embodiments of the utility model, the side wall of the ladder body is detachably provided with a guard rail.
In some technical schemes of the utility model, two mounting cylinders are arranged on the steps in pairs, a leaning rod is arranged in the mounting cylinders in a penetrating way, a limiting spring connected with the leaning rod is arranged in the mounting cylinders, and a vertical rod parallel to the telescopic rod is arranged on the leaning rod.
In some technical solutions of the present utility model, a plurality of barbs are provided on the side wall of the vertical rod opposite to the telescopic rod.
Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:
according to the technical scheme, two stand columns made of two aluminum alloy sections are arranged, at least 6-8 steps are fixed between the two stand columns in a welding mode or a bolt connection mode, a ladder body can be formed at the moment, and two supporting parts are respectively arranged at two ends of the ladder body through connecting pieces; when the equipment is required to be converted into a platform ladder, the supporting part is required to rotate on the ladder body until the supporting part is mutually perpendicular to the ladder body, then a plurality of platform boards are respectively arranged between any two steps, the ladder body at the moment and the platform boards form a working plane, and the supporting part and the ladder body are deformed to form the platform ladder;
when the equipment is required to be converted into a straight ladder, the supporting part is required to rotate on the ladder body until the supporting part and the ladder body are parallel to each other and are positioned on the same plane, then the plurality of platform boards are detached from any two steps respectively and placed on the ground, and the ladder body and the platform boards form the straight ladder at the moment. The device can provide various choices for users, and ensure that the device can adapt to different working environments.
The ladder joint lock structure can play the purpose of locking when the supporting part rotates on the ladder body, and the supporting part is prevented from shaking randomly on the ladder body, so that the use safety of the equipment is influenced.
Two mounting cylinders are arranged on the steps in pairs, a hanging rod is arranged in the mounting cylinders in a penetrating manner, a limiting spring connected with the hanging rod is arranged in the mounting cylinders, and a vertical rod parallel to the telescopic rod is arranged on the hanging rod. When the structure is utilized to deform the equipment into a straight ladder, the expansion and contraction of the leaning rod in the mounting cylinder and the limiting effect of the reset spring on the leaning rod are utilized, so that the structure can be forced to adapt to buildings with different widths, and the equipment is hung on the wall surfaces of the buildings, and the safety of the equipment in use is improved. The mounting cylinder is welded between the two telescopic rods and is positioned on the outermost stepping.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a part of the structure of the mounting cylinder and the tread of the present utility model;
FIG. 3 is a partially cut-away, combined schematic illustration of the ladder body and platform plate of the present utility model;
fig. 4 is a schematic view of a ladder body and a support portion combined in the present utility model.
Icon: 1. a ladder body; 2. a support rod; 3. a telescopic rod; 4. stepping; 5. a cross bar; 6. a step; 7. guard bars; 8. a platform plate; 9. ladder joint lock; 10. a limit spring; 11. a hanging rod; 12. a vertical rod; 13. a locking lever; 14. a mounting cylinder; 15. a rope descent control device.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Examples
Please refer to fig. 1-4.
The utility model provides a multifunctional fire ladder which comprises a ladder body 1 and two supporting parts which are arranged in pairs, wherein a connecting piece which is rotationally connected with the ladder body 1 is arranged on each supporting part, a mounting opening is formed in the ladder body 1, a plurality of steps 6 are arranged in the mounting opening along the extending direction of the ladder body 1, and a platform plate 8 is arranged between any two steps 6. According to the technical scheme, the ladder body 1 mainly solves the problems that in the prior art, under different working environments, a traditional ladder cannot be adapted to different working environments, conversion between a platform ladder and a straight ladder cannot be realized, and the straight ladder or the platform ladder is large in size and is not beneficial to later storage, so that the problems are solved; according to the technical scheme, two stand columns made of two aluminum alloy sections are arranged, at least 6-8 steps 6 are fixed between the two stand columns in a welding mode or a bolt connection mode, a ladder body 1 can be formed at the moment, and two supporting parts are respectively arranged at two ends of the ladder body 1 through connecting pieces; when the equipment is required to be converted into a platform ladder, the supporting part is required to rotate on the ladder body 1 until the supporting part is mutually perpendicular to the ladder body 1, then a plurality of platform boards 8 are respectively arranged between any two steps 6, the ladder body 1 at the moment and the platform boards 8 form a working plane, and the support at the moment and the ladder body 1 are deformed to form the platform ladder;
when the equipment is required to be converted into a straight ladder, the supporting part is required to rotate on the ladder body 1 until the supporting part and the ladder body 1 are parallel to each other and are positioned on the same plane, then the plurality of platform boards 8 are detached from any two steps 6 respectively and placed on the ground, and the ladder body 1 and the platform boards 8 form a straight ladder at the moment. The device can provide various choices for users, and ensure that the device can adapt to different working environments.
Further, the connecting piece is two ladder joint locks 9 that set up in pairs, and two ladder joint locks 9 all set up on the supporting part, and ladder body 1 is connected with the other end of two ladder joint locks 9. The ladder joint lock 9 structure can play the purpose of locking when the supporting part rotates on the ladder body 1, avoids the supporting part to shake at will on the ladder body 1, influences the safety in utilization of this equipment. Both ends of the ladder joint lock 9 are fixed on the supporting part or the ladder body 1 by means of screws or welding respectively. The ladder joint lock 9 is of prior art and is not described here in detail.
In some technical solutions of the utility model, the platform plate 8 comprises a frame, wherein a metal net is arranged in the frame, two ribs are arranged on the frame in pairs, and limit grooves matched with the ribs are arranged on the outer side wall of the step 6. The frame that sets up also is through aluminium alloy ex-trusions through the welded mode manufacturing, and its inside welding has horizontal pole 5 can increase the structural strength of this platform board 8, and the metal mesh that sets up can alleviate the weight of platform board 8 simultaneously, can also increase the skid resistance ability when the user carries out the construction on this equipment.
In some technical schemes of the utility model, the supporting part comprises two supporting rods 2 which are arranged in pairs, a cross rod 5 is arranged between the two supporting rods 2, telescopic rods 3 are respectively arranged in the two supporting rods 2 in a penetrating way, a locking component for controlling the telescopic rods 3 to stretch and retract is arranged in the supporting rods 2, and a step 4 is arranged between the two telescopic rods 3. The telescopic ladder formed by the structure can form a longer straight ladder with the ladder body 1, the application range of the equipment is increased, namely, the ascending height is increased, the supporting rod 2 and the cross rod 5 are integrally formed in a welding mode, and the two ladder joint locks 9 are fixedly connected with the supporting rod 2 in a screw or welding mode; the telescopic rod 3 and the step 4 are integrally formed in a welding mode. And the supporting rod 2 and the telescopic pipe are all aluminum alloy hollow pipes.
The tread 4, the cross bar 5 and the tread 6 are all made of aluminum alloy hollow tubes of the same model, and the tread is provided with anti-skid lines, which are not shown in the figure.
In some technical schemes of the utility model, the locking component comprises a locking rod 13, a plurality of locking holes are formed in the outer side wall of the supporting rod 2 along the extending direction of the locking rod, and a plurality of limiting holes corresponding to the locking holes are formed in the outer side wall of the telescopic rod 3 along the extending direction of the telescopic rod; when one of the locking holes is opposite to the limiting hole, the locking rod 13 is threaded with the limiting hole after penetrating through the locking hole. The locking rod 13 is made of steel materials, can also be a screw rod, can insert locking rod 13 into locking hole and spacing downthehole of alignment through the mode of bolt, with the internal thread screw-thread fit who sets up in the spacing downthehole, can restrict the motion of bracing piece 2 and telescopic link 3 to adopt this structure, can simplify the operation flow, improve the security of this equipment when using.
In some embodiments of the utility model, the side wall of the ladder body 1 is detachably provided with a rail 7. The guardrail 7 that sets up can provide safety protection for ascending a height as the user when this equipment warp into the platform ladder, guarantees the safety during construction.
And the platform plate 8 can be hung on the guard rail 7 when not in use, is fixed on the guard rail 7 through a pin shaft, and the guard rail 7 is detachably connected with the ladder body 1 through a bolt.
In some technical schemes of the utility model, two mounting cylinders 14 are arranged on the steps 4 in pairs, a hanging rod 11 is arranged in the mounting cylinders 14 in a penetrating way, a limiting spring 10 connected with the hanging rod 11 is arranged in the mounting cylinders 14, and a vertical rod 12 parallel to the telescopic rod 3 is arranged on the hanging rod 11. When the structure is used for deforming the equipment into a straight ladder, the structure can be forced to adapt to buildings with different widths by utilizing the expansion and contraction of the leaning rod 11 in the mounting cylinder 14 and the limiting function of the limiting spring 10 on the leaning rod 11, and the safety of the equipment in use is improved by leaning the equipment on the wall surfaces of the buildings. The mounting cylinder 14 is welded between the two telescopic rods 3 and is located on the outermost tread 4.
The step 4 is also provided with a 15 rope descent control device which is of the prior art and is arranged between the two mounting cylinders 14, and is not tired here. The rope descent control device which is positioned at the top of the ladder in a straight ladder shape and is detachably installed can improve safer guarantee for climbers.
In some embodiments of the present utility model, the side wall of the vertical rod 12 opposite to the telescopic rod 3 is provided with a plurality of barbs. The barb and the montant 12 integrated into one piece who sets up can increase the frictional force when montant 12 and building contact, on the wall of leaning on the building with its stability, the security when increasing this equipment and using.
In summary, according to the technical scheme, two upright posts made of two aluminum alloy sections are arranged, at least 6-8 steps 6 are fixed between the two upright posts in a welding mode or a bolt connection mode, the ladder body 1 can be formed at the moment, and two supporting parts are respectively arranged at two ends of the ladder body 1 through connecting pieces; when the equipment is required to be converted into a platform ladder, the supporting part is required to rotate on the ladder body 1 until the supporting part is mutually perpendicular to the ladder body 1, then a plurality of platform boards 8 are respectively arranged between any two steps 6, the ladder body 1 at the moment and the platform boards 8 form a working plane, and the support at the moment and the ladder body 1 are deformed to form the platform ladder;
when the equipment is required to be converted into a straight ladder, the supporting part is required to rotate on the ladder body 1 until the supporting part and the ladder body 1 are parallel to each other and are positioned on the same plane, then the plurality of platform boards 8 are detached from any two steps 6 respectively and placed on the ground, and the ladder body 1 and the platform boards 8 form a straight ladder at the moment. The device can provide various choices for users, and ensure that the device can adapt to different working environments.
The ladder joint lock 9 structure can play the purpose of locking when the supporting part rotates on the ladder body 1, avoids the supporting part to shake at will on the ladder body 1, influences the safety in utilization of this equipment.
Two mounting cylinders 14 are arranged on the step 4 in pairs, a hanging rod 11 is arranged in the mounting cylinders 14 in a penetrating manner, a limiting spring 10 connected with the hanging rod 11 is arranged in the mounting cylinders 14, and a vertical rod 12 parallel to the telescopic rod 3 is arranged on the hanging rod 11. When the structure is used for deforming the equipment into a straight ladder, the structure can be forced to adapt to buildings with different widths by utilizing the expansion and contraction of the leaning rod 11 in the mounting cylinder 14 and the limiting effect of the reset spring 10 on the leaning rod 11, and the safety of the equipment in use is improved by leaning the equipment on the wall surfaces of the buildings. The mounting cylinder 14 is welded between the two telescopic rods 3 and is located on the outermost tread 4.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The multifunctional fire ladder is characterized by comprising a ladder body and two supporting parts which are arranged in pairs, wherein a connecting piece which is rotationally connected with the ladder body is arranged on the supporting parts, a mounting opening is formed in the ladder body, a plurality of steps are arranged in the mounting opening along the extending direction of the ladder body, and a platform plate is arranged between any two steps; the supporting part is including two bracing pieces that set up in pairs, two be equipped with the horizontal pole between the bracing piece, and two all wear to be equipped with the telescopic link in the bracing piece, be equipped with the control in the bracing piece the flexible locking subassembly of telescopic link, and two be equipped with between the telescopic link and mark time.
2. The multifunctional fire ladder of claim 1, wherein the platform plate comprises a frame, a metal net is arranged in the frame, two ribs are arranged on the frame in pairs, and limit grooves matched with the ribs are formed in the outer side wall of the ladder step.
3. The multifunctional fire ladder according to claim 1, wherein the locking assembly comprises a locking rod, a plurality of locking holes are formed in the outer side wall of the supporting rod along the extending direction of the locking rod, and a plurality of limiting holes corresponding to the locking holes are formed in the outer side wall of the telescopic rod along the extending direction of the telescopic rod; when one of the locking holes is opposite to the limiting hole, the locking rod is threaded with the limiting hole after penetrating through the locking hole.
4. The multifunctional fire ladder according to claim 1, wherein the connecting piece is two ladder joint locks arranged in pairs, the two ladder joint locks are arranged on the supporting part, and the ladder body is connected with the other ends of the two ladder joint locks.
5. A multi-purpose fire ladder according to claim 1, wherein the side walls of the ladder body are detachably provided with guardrails.
6. The multifunctional fire ladder of claim 1, wherein two mounting cylinders are arranged on the steps in pairs, a leaning rod is arranged in the mounting cylinders in a penetrating mode, a limiting spring connected with the leaning rod is arranged in the mounting cylinders, and a vertical rod parallel to the telescopic rod is arranged on the leaning rod.
7. The multi-purpose fire ladder of claim 6, wherein the side walls of the vertical rods opposite to the telescopic rods are provided with a plurality of barbs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320846860.1U CN219910608U (en) | 2023-04-15 | 2023-04-15 | Multifunctional fire ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320846860.1U CN219910608U (en) | 2023-04-15 | 2023-04-15 | Multifunctional fire ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219910608U true CN219910608U (en) | 2023-10-27 |
Family
ID=88429674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320846860.1U Active CN219910608U (en) | 2023-04-15 | 2023-04-15 | Multifunctional fire ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219910608U (en) |
-
2023
- 2023-04-15 CN CN202320846860.1U patent/CN219910608U/en active Active
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