CN115554623B - Hidden dead weight decline emergency ladder - Google Patents
Hidden dead weight decline emergency ladder Download PDFInfo
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- CN115554623B CN115554623B CN202211312991.8A CN202211312991A CN115554623B CN 115554623 B CN115554623 B CN 115554623B CN 202211312991 A CN202211312991 A CN 202211312991A CN 115554623 B CN115554623 B CN 115554623B
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- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
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Abstract
The invention discloses a hidden type self-weight-falling escape ladder, which comprises a hollow upright post, wherein an upright post base is fixed at the lower end of the hollow upright post, a platform vehicle frame capable of moving up and down is arranged on the outer side of the upright post base, a pull ring is arranged on the upper surface of the platform vehicle frame, two groups of platform vehicle pulleys are arranged on the platform vehicle frame, the two platform vehicle pulleys are respectively positioned on the front side and the rear side of the hollow upright post and are attached to each other, a platform vehicle plate is welded at the lower end of each platform vehicle pulley, a stretching spring is connected to the inner bottom surface of the hollow upright post, a first pulley block is fixed at the upper end of the stretching spring, a second pulley block is fixed at the upper end of the inner part of the hollow upright post, a steel wire rope is wound between the second pulley block and the hollow upright post, and a guide wheel is connected to the upper end of the front surface of the hollow upright post through a support; the emergency tool can also be used as a convenient tool for emergency downstairs.
Description
Technical Field
The invention relates to the technical field of automatic escape devices, in particular to a hidden dead weight descending escape ladder.
Background
Along with the construction of national urbanization, various high-rise residential buildings are increasing day by day, meanwhile, certain pressure is brought to safe fire-fighting work, high-rise buildings in modern society have frequent fire disasters, elevators are powered off, old people, children and special crowds are difficult to escape by using a step ladder and a high-altitude rope, especially in sites where the fire disasters are disorderly in a group, the old people, the children and the special crowds are difficult to escape in a very short time, so that a plurality of escape ladders are provided, an escape ladder is designed by using the principle of a conveying belt in the patent CN215485812U, the problem of difficulty in escaping the old people, the children and the special crowds is solved, but the device needs to be driven to operate by using driving force, so the device cannot be used under the condition of power outage after the fire disasters occur, and the device cannot still operate under the condition of power outage.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the existing defects and provides a hidden type self-weight descending escape ladder which is simple in structure and convenient to operate, and the platform car automatically and stably descends through the self weight of a human body under the condition of no power source to realize the escape function; the emergency tool can be used as a convenient tool for emergency downstairs, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a hidden dead weight decline emergency ladder, includes hollow stand, hollow stand's lower extreme is fixed with the stand base, and the outside of stand base is equipped with the platform truck frame that can reciprocate, and the upper surface of platform truck frame is equipped with the pull ring, is equipped with two sets of platform truck pulleys on the platform truck frame, and two platform truck pulleys are located the laminating of hollow stand's front and back both sides respectively, and the lower extreme welding of platform truck pulley has the platform truck board, and the inside bottom surface of hollow stand is connected with extension spring, and extension spring's upper end is fixed with assembly pulley one, and hollow stand's inside upper end is fixed with assembly pulley two, and the round-trip has wire rope between assembly two and the hollow stand, and the front surface upper end of hollow stand is connected with the leading wheel through the support, and wire rope one end is walked around the leading wheel upper end and is fixed with the pull ring on the platform truck frame, and the inside of recess is equipped with the rack, and is connected with the transmission shaft through the bearing frame on the platform truck frame, and the outside of transmission shaft is equipped with the gear with the planetary accelerator through one side of one-way bearing clutch, and be connected with the brake assembly to the centrifugal reducer, the brake frame structure of platform truck frame, open the upper surface of platform.
Furthermore, the upper surface of platform sweep is connected with collapsible handrail through the free bearing, and the upper end of collapsible handrail is U type structure, and collapsible handrail includes two scalable vertical poles, and the upper end of two scalable vertical poles is fixed with the horizon bar.
Further, brake assembly is including connecting lever and ratchet, and the ratchet setting is in the one end of transmission shaft, and the centre of connecting the lever is rotated through minor axis and platform truck frame and is connected, and the one end of connecting the lever is equipped with the locking hook with ratchet meshing, is equipped with the spring between the other end downside of connecting the lever and the platform truck frame lower extreme, can stimulate through the spring and connect lever one end, can be to the transmission shaft locking through locking hook and ratchet meshing, and rethread epaxial gear and rack toothing can prevent that platform truck frame from reciprocating.
Furthermore, the braking opening structure comprises a vertical rod fixed to the upper surface of the platform vehicle plate, one side of the upper end of the vertical rod is connected with a Z-shaped rotating frame through a short shaft, the upper end of the Z-shaped rotating frame is connected with one side of a locking hook, a pedal is arranged at the lower end of the Z-shaped rotating frame, the pedal is pressed downwards to drive the Z-shaped rotating frame to rotate, so that the upper end of the Z-shaped rotating frame moves upwards, the locking hook is driven to be separated from a ratchet wheel through the Z-shaped rotating frame, and the platform vehicle frame can freely slide up and down along the hollow stand column.
Furthermore, the upper end of the hollow upright post is connected with a braking locking device through a support, the braking locking device corresponds to the locking hook up and down, and when the platform frame rises to the highest position, the locking hook is pressed downwards through the braking locking device, so that the locking hook is meshed with the ratchet wheel, and locking is carried out.
Compared with the prior art, the invention has the beneficial effects that: one end of a connecting lever can be pulled through a spring, a transmission shaft can be locked through the engagement of a locking hook and a ratchet wheel, the up-and-down movement of a platform frame can be prevented through the engagement of the gear and a rack on the transmission shaft, a pedal is pressed downwards to drive a Z-shaped rotating frame to rotate, so that the upper end of the Z-shaped rotating frame moves upwards, the Z-shaped rotating frame drives the locking hook to separate from the ratchet wheel, so that the platform frame can freely slide up and down along a hollow upright column, the locking hook is pressed downwards through a braking locking device to be engaged with the ratchet wheel, so that the locking is performed, and the hidden dead weight descending escape ladder is simple in structure and convenient to operate, and can automatically and stably descend through the dead weight of a human body under the condition of no power source, so that the escape function is realized; the emergency tool can also be used as a convenient tool for emergency downstairs.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mounting structure of the present invention;
FIG. 3 is a partially enlarged schematic view of the present invention;
fig. 4 is a schematic view of a connection structure of the steel wire rope according to the present invention.
In the figure: the foldable handrail comprises a hollow upright 1, an upright base 2, a platform frame 3, a platform car pulley 4, a platform car plate 5, a brake assembly 6, a connecting lever 61, a ratchet wheel 62, a locking hook 63, a spring 64, a brake opening structure 7, a vertical rod 71, a rotating frame 72Z, a pedal 73, a rack 8, a transmission shaft 9, a one-way bearing clutch 10, a planetary accelerator 11, a centrifugal reducer 12, an extension spring 13, a pulley block I14, a pulley block II 15, a steel wire rope 16, a guide wheel 17, a brake locking device 19, a gear 20 and a foldable handrail 21.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a hidden type self-weight-falling escape ladder comprises a hollow upright post 1, an upright post base 2 is fixed at the lower end of the hollow upright post 1, a platform vehicle frame 3 capable of moving up and down is arranged on the outer side of the upright post base 2, a pull ring is arranged on the upper surface of the platform vehicle frame 3, two groups of platform vehicle pulleys 4 are arranged on the platform vehicle frame 3, the two platform vehicle pulleys 4 are respectively positioned on the front side and the rear side of the hollow upright post 1 and are jointed, a platform vehicle plate 5 is welded at the lower end of the platform vehicle pulley 4, an extension spring 13 is connected with the inner bottom surface of the hollow upright post 1, a first pulley block 14 is fixed at the upper end of the extension spring 13, a second pulley block 15 is fixed at the inner upper end of the hollow upright post 1, a steel wire rope 16 is wound between the second pulley block 15 and the hollow upright post 1, a guide wheel 17 is connected at the upper end of the front surface of the hollow upright post 1 through a support, one end of the steel wire rope 16 bypasses the upper end of the guide wheel 17 and is fixed with the pull ring on the platform vehicle frame 3, the front surface of a platform truck frame 3 is provided with a groove, a rack 8 is arranged in the groove, the platform truck frame 3 is connected with a transmission shaft 9 through a bearing seat, the outer side of the transmission shaft 9 is provided with a gear 20 meshed with the rack 8, one end of the transmission shaft 9 is connected with a planetary accelerator 11 through a one-way bearing clutch 10, the other end of the planetary accelerator 11 is connected with a centrifugal reducer 12, the planetary accelerator 11 and the centrifugal reducer 12 are fixed on the platform truck frame 3, one side of the platform truck frame 3 is provided with a brake component 6 braking the transmission shaft 9, the upper surface of a platform truck plate 5 is provided with a brake opening structure 7, the upper surface of the platform truck plate 5 is connected with a foldable handrail 21 through a hinged support, the upper end of the foldable handrail 21 is of a U-shaped structure, the foldable handrail 21 comprises two telescopic vertical rods, and horizontal rods are fixed at the upper ends of the two telescopic vertical rods, the brake assembly 6 comprises a connecting lever 61 and a ratchet wheel 62, the ratchet wheel 62 is arranged at one end of a transmission shaft 9, the middle of the connecting lever 61 is rotatably connected with the platform frame 3 through a short shaft, a locking hook 63 meshed with the ratchet wheel 62 is arranged at one end of the connecting lever 61, a spring 64 is arranged between the lower side of the other end of the connecting lever 61 and the lower end of the platform frame 3, one end of the connecting lever 61 can be pulled through the spring 64, the transmission shaft 9 can be locked through the engagement of the locking hook 63 and the ratchet wheel 62, the platform frame 3 can be prevented from moving up and down through the engagement of a gear 20 on the transmission shaft 9 and a rack 8, the brake opening structure 7 comprises a vertical rod 71 fixed with the upper surface of the platform frame 5, one side of the upper end of the vertical rod 71 is connected with a Z-shaped rotating frame 72 through the short shaft, the upper end of the Z-shaped rotating frame 72 is connected with one side of the locking hook 63, the lower end of the Z-shaped rotating frame 72 is provided with a pedal plate 73, the Z-shaped rotating frame 72 is driven to rotate by pressing downwards through the pedal plate 73, so that the upper end of the Z-shaped rotating frame 72 moves upwards, the locking hook 63 is driven to separate from the ratchet wheel 62 through the Z-shaped rotating frame 72, so that the platform frame 3 can freely slide up and down along the hollow upright post 1, the upper end of the hollow upright post 1 is connected with a braking locking device 19 through a bracket, the braking locking device 19 corresponds to the locking hook 63 up and down, when the platform frame 3 rises to the maximum, the locking hook 63 is pressed downwards through the braking locking device 19, so that the locking hook 63 is meshed with the ratchet wheel 62, and locking is carried out, and the hidden dead weight descending escape ladder has the advantages of simple structure and convenient operation, and the platform car automatically and stably descends through the dead weight of a human body under the condition without a power source, so as to realize the escape function; the device can also be used as a convenient tool for emergency downstairs.
When in use: when the device is installed, the lower end of the device is fixed through the upright column base 2, then the hollow upright column 1 is fixed with the top, the cover plate part at the top and the cover plate installed at the lower end of the platform frame 3 are closed, so that the platform frame 3 can be hidden, when the device is used, the device stands on the platform frame 5, then the pedal plate 73 is pressed downwards to drive the Z-shaped rotating frame 72 to rotate, so that the upper end of the Z-shaped rotating frame 72 moves upwards, the Z-shaped rotating frame 72 drives the locking hook 63 to be separated from the ratchet 62, so that the platform frame 3 can freely slide up and down along the hollow upright column 1, the platform frame 3 is driven to slide downwards through self gravity, the one-way bearing clutch 10 can accelerate the planetary accelerator 11 when the platform frame 3 slides downwards, the planetary accelerator 11 accelerates to a certain rotating speed, the centrifugal reducer 12 starts to work, the steel wire rope 16 is pulled to move downwards through the platform frame 3, the steel wire rope 16 pulls the stretching spring 13 to extend, when a human body is separated from the platform frame 3, the platform frame 13 contracts, the steel wire 16 pulls the locking hook to move upwards, the locking hook 63, the locking spring 63 is pulled to be connected with the ratchet 62, the lever to be connected with the ratchet 62, so that the platform frame 3 does not work easily, when the lever is pulled, and the lever 63 is connected with the ratchet 62, and the platform frame 3, and the ratchet 62, and the ratchet 19, when the ratchet 13 does not work, and the ratchet 3 does not work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.
Claims (5)
1. The utility model provides a hidden dead weight decline emergency ladder, includes hollow column (1), its characterized in that: the lower end of the hollow upright post (1) is fixed with an upright post base (2), the outer side of the upright post base (2) is provided with a platform truck frame (3) capable of moving up and down, the upper surface of the platform truck frame (3) is provided with a pull ring, the platform truck frame (3) is provided with two groups of platform truck pulleys (4), the two platform truck pulleys (4) are respectively positioned at the front side and the rear side of the hollow upright post (1) and are jointed, the lower end of the platform truck pulley (4) is welded with a platform truck plate (5), the inner bottom surface of the hollow upright post (1) is connected with a tension spring (13), the upper end of the tension spring (13) is fixed with a pulley block I (14), the inner upper end of the hollow upright post (1) is fixed with a pulley block II (15), wire rope (16) have around connecing between assembly pulley two (15) and hollow column (1), and the front surface upper end of hollow column (1) is connected with leading wheel (17) through the support, it is fixed with pull ring on platform truck frame (3) that leading wheel (17) upper end is walked around to wire rope (16) one end, and the front surface of platform truck frame (3) is equipped with the recess, and the inside of recess is equipped with rack (8), and is connected with transmission shaft (9) through the bearing frame on platform truck frame (3), and the outside of transmission shaft (9) is equipped with gear (20) with rack (8) intermeshing, and the one end of transmission shaft (9) is connected with planetary accelerator (11) through one-way bearing clutch (10) ) The other end of the planetary accelerator (11) is connected with a centrifugal reducer (12), the planetary accelerator (11) and the centrifugal reducer (12) are fixed on the platform frame (3), a brake assembly (6) for braking the transmission shaft (9) is arranged on one side of the platform frame (3), and a brake opening structure (7) is arranged on the upper surface of the platform frame (5).
2. The hidden dead-weight descent escape ladder of claim 1, wherein: the upper surface of platform sweep (5) is connected with collapsible handrail (21) through the free bearing, and the upper end of collapsible handrail (21) is U type structure, and collapsible handrail (21) include two scalable vertical poles, and the upper end of two scalable vertical poles is fixed with the horizon bar.
3. The hidden dead-weight descent escape ladder of claim 1, wherein: brake assembly (6) are including connecting lever (61) and ratchet (62), and ratchet (62) set up the one end at transmission shaft (9), and the centre of connecting lever (61) is rotated with platform truck frame (3) through the minor axis and is connected, and the one end of connecting lever (61) is equipped with locking hook (63) with ratchet (62) meshing, is equipped with spring (64) between the other end downside of connecting lever (61) and platform truck frame (3) lower extreme.
4. The concealed self-weight-lowering escape ladder according to claim 3, wherein: the braking opening structure (7) comprises a vertical rod (71) fixed to the upper surface of the platform vehicle plate (5), one side of the upper end of the vertical rod (71) is connected with a Z-shaped rotating frame (72) through a short shaft, the upper end of the Z-shaped rotating frame (72) is connected with one side of the locking hook (63), and a pedal plate (73) is arranged at the lower end of the Z-shaped rotating frame (72).
5. The concealed self-weight-down escape ladder of claim 4, wherein: the upper end of the hollow upright post (1) is connected with a braking locking device (19) through a support, and the braking locking device (19) corresponds to the locking hook (63) up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211312991.8A CN115554623B (en) | 2022-10-25 | 2022-10-25 | Hidden dead weight decline emergency ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211312991.8A CN115554623B (en) | 2022-10-25 | 2022-10-25 | Hidden dead weight decline emergency ladder |
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| Publication Number | Publication Date |
|---|---|
| CN115554623A CN115554623A (en) | 2023-01-03 |
| CN115554623B true CN115554623B (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211312991.8A Active CN115554623B (en) | 2022-10-25 | 2022-10-25 | Hidden dead weight decline emergency ladder |
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| CN (1) | CN115554623B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190903734A (en) * | 1909-02-15 | 1910-03-15 | Walter William Love | An Improved Rising and Falling Platform applicable for a Fire Escape. |
| CN105451822A (en) * | 2013-08-05 | 2016-03-30 | 依瓦库特国际物业有限公司 | Device for evacuating individuals |
| CN105641815A (en) * | 2016-04-14 | 2016-06-08 | 贵州大学 | Accelerator structure of tall building circular escape device |
| CN113679964A (en) * | 2021-09-16 | 2021-11-23 | 张威 | Escape system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM255034U (en) * | 2004-01-16 | 2005-01-11 | Shiou-Yi Lin | Simple fire escape ladder with bidirectional constant speed operation features |
-
2022
- 2022-10-25 CN CN202211312991.8A patent/CN115554623B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190903734A (en) * | 1909-02-15 | 1910-03-15 | Walter William Love | An Improved Rising and Falling Platform applicable for a Fire Escape. |
| CN105451822A (en) * | 2013-08-05 | 2016-03-30 | 依瓦库特国际物业有限公司 | Device for evacuating individuals |
| CN105641815A (en) * | 2016-04-14 | 2016-06-08 | 贵州大学 | Accelerator structure of tall building circular escape device |
| CN113679964A (en) * | 2021-09-16 | 2021-11-23 | 张威 | Escape system |
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| Publication number | Publication date |
|---|---|
| CN115554623A (en) | 2023-01-03 |
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