CN101831997A - Quick extensible stairs - Google Patents
Quick extensible stairs Download PDFInfo
- Publication number
- CN101831997A CN101831997A CN 201010177894 CN201010177894A CN101831997A CN 101831997 A CN101831997 A CN 101831997A CN 201010177894 CN201010177894 CN 201010177894 CN 201010177894 A CN201010177894 A CN 201010177894A CN 101831997 A CN101831997 A CN 101831997A
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- revolute pair
- upper floor
- foldable truss
- stairs
- crank
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- 230000007306 turnover Effects 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 230000009194 climbing Effects 0.000 abstract 1
- 230000004083 survival effect Effects 0.000 description 4
- 238000009408 flooring Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The invention discloses a quick extensile stairs, which relates to high-rise fire escape equipment. A crank and rocker mechanism consists of a foldable truss, a rocker, a crank and a turning plate; a footboard is laid on a corresponding intermediate shaft lever; and the turning plate is connected with the ground of an upper floor through a revolute pair. When the quick extensible stairs are not used, the foldable truss is folded and retracted, and the tail end of the foldable truss is hung on a hanger fixed on the bottom surface of the upper floor; and when fire occurs, the balcony cover of the upper floor is opened, and the extensible stairs are automatically let down and extended for people to divert from the upper floor to the lower floor. The equipment has simple and convenient operation, can quickly complete the construction of an escape trunk, conforms to the habits of climbing up and down stairs of people, can be used without exercise, can be used by many people simultaneously, saves space, has low cost, can also be applied to the situations of interior finish, exterior passageway construction and the like, and is especially suitable for environments with limited space resources such as warehouses, storehouses and the like.
Description
Technical field
The present invention relates to escaping from high building on fire equipment, relate in particular to a kind of quick extensible stairs.
Background technology
In the life of built-up modern metropolitan cities, one of harm that fire is maximum beyond doubt, and the injures and deaths great majority in the fire are because people can't select in a great rush correct escape the road and due to the escape of blindly selecting to jump out of the building.The survival equipment of simple and fast can make people when fire takes place, and can promptly flee from the place of safety, and people's life security is protected, and crucial meaning is arranged.
High-rise life saving equipment is constantly released new form and works in the paces that adapt to social development.Through long-term development, up to the present, fire disaster escaping equipment has multiple different classification both at home and abroad.According to the difference of its form, survival equipment can be divided into cornerite and add manual mode, intermittently impact type, liquid flow damp type etc.And classify according to structure, can be divided into rope class, slideway class, terraced class and breather class etc. again.
Wherein, typical high-rise life saving equipment has Emergency Ladder, escape rope etc.In the Emergency Ladder, indoor fixed Emergency Ladder is the most common a kind of.Its main design is Emergency Ladder to be relied on indoor windowsill or other buildings are fixed, when breaking out of fire the people can utilize Emergency Ladder under the high building to ground.Its advantage be easy to collection and use, in light weight, volume is little, weatherproof, is fit to family or public place and uses, can not wave during use and rock.But shortcoming is to be limited by the shared space of equipment on the use height.And escape rope type survival equipment then is to utilize the descending lifeline that deceleration is arranged self to realize escape.The escape device kind of this type is a lot, and the ways of deceleration that difference is just adopted is inequality.The common drawback that this type equipment exists is that decrease speed can not arbitrarily be controlled, and the simplification of structure and reliability also are difficult to take into account.In addition, also have some comparatively huge escape device for high-rise buildings, as escape groove, escape balcony etc., this type equipment security reliability is high, but structure is huge, and it is big to take up room, and under the environment of living space growing tension now, manufacturing cost is higher.
In the design of fire disaster escaping equipment, need to pay close attention to main Points: 1, safe and reliable, do not need to use power supply; 2, simple to operation, the escape personnel does not need exercise to use; 3, escape speed is fast; 4, simple in structure, in light weight, it is as far as possible little to take up room; 5, long service life; 6, use is comfortable, and pleasant property will be got well; 7, can many people use simultaneously; 8, can not diminish construction landscape; 9, cost is low.Existing fire disaster escaping equipment or device are difficult to respect to various aspects.
Summary of the invention
The purpose of this invention is to provide a kind of safe and reliable, simple and quick, simple in structure and lower-cost escaping from high building on fire equipment, i.e. quick extensible stairs.
Technical scheme of the present invention is: the structure of described quick extensible stairs comprises turnover panel, crank, rocking bar, foldable truss, pedal, middle axostylus axostyle, it is characterized in that, the development agency that described foldable truss is made up of a plurality of scissor-types unit, two groups of parallel foldable truss connect the turns auxiliary shaft line parallel of the axis of middle axostylus axostyle and foldable truss by many middle axostylus axostyles; Described turnover panel is connected by revolute pair on the bottom surface of upper floor, can be around the rotational of revolute pair; Described crank is connected with turnover panel by revolute pair; Described rocking bar is connected with crank by revolute pair; Described foldable truss is connected with turnover panel with rocking bar by revolute pair respectively; Crank and rocker mechanism of the common composition of foldable truss, rocking bar, crank and turnover panel; Described pedal is laid on the middle axostylus axostyle; Upper floor is provided with the balcony lid near the position at foldable truss top, passes through for personnel.
The pair of links of each scissor-type unit of described foldable truss couples together by a revolute pair, the every pair of connecting rod only can wind to do perpendicular to this axis to plane, connecting rod place and relatively rotate, simultaneously, the connecting rod two ends are all by being connected with other scissor-type unit with revolute pair that middle revolute pair axis parallels.
Take up room for extensible stairs can be packed up with saving, hook is set in the bottom surface of described upper floor; Wire rope and hoist engine are set, as the stow mechanism of extensible stairs on the end face of described upper floor.When needs are packed up extensible stairs, the wire rope that is wrapped on the hoist engine is transferred by ratchet and pawl arrangement, the wire rope end is provided with hook, transfers to the next stage that can catch on stair behind the appropriate location.Shake the handle that links to each other with worm screw, by the worm-and-wheel gear that gearratio is very big power is passed to the hoist engine that links to each other with worm gear output, hoist engine reclaims wire rope, thereby the stair end is mentioned.Because the deployable structure characteristic of foldable truss, extensible stairs will be folded and pack up, and pack up the back stairs end and be suspended on the hook.
Discharge for convenience and the expansion extensible stairs, set up push rod and spring in described upper floor bottom surface, hook is connected with push rod by revolute pair; When the balcony lid was opened, push rod was promoted by spring, and is driven in the other direction by the connected hook of revolute pair, and the extensible stairs end loses and support and launch to become passway for escaping downwards under the deadweight effect.
The present invention has the following advantages and the high-lighting effect: design of the present invention relies on the balcony of existing floor building, when fire takes place, can realize dropping to from a floor function of next floor, it is simple and convenient, can finish building of passway for escaping fast.In addition, because its passway for escaping that adopts is stair, meets people and go up custom downstairs, anyone need not practise and can use, and can many people use simultaneously.Simultaneously, agent structure of the present invention is a foldable truss structure, utilizes its architectural characteristic can make it fold into different conditions and realize function corresponding.When fire took place, trussed construction launched, and can use as the escape stair; And under normal circumstances, its trussed construction can fold and pack up, and is suspended on the balcony top, can be used for airing clothes etc.Therefore, the present invention has avoided the ineffective occupation and the waste in space greatly, has reduced the cost that produces because of the configuration survival equipment.
The present invention can also be applied to interior decoration, outdoor passage and occasion such as build, and is particularly useful for the environment of space resources anxieties such as warehouse, warehouse.
Description of drawings
Fig. 1 is the structure diagram of quick extensible stairs provided by the invention;
Fig. 2 is the deployable structure basic principle figure of foldable truss;
Fig. 3 is that quick extensible stairs folds the structural representation when packing up;
Fig. 4 makes the folding embodiment figure that packs up of extensible stairs;
Fig. 5 makes extensible stairs discharge the embodiment figure that launches.
Number in the figure:
The 1-turnover panel; The 2-crank; The 3-rocking bar; The 4-foldable truss; The 5-pedal; Axostylus axostyle in the middle of the 6-; 7-balcony lid; The 8-hook; The 9-upper floor; 10-lower floor flooring; The 11-wire rope; The 12-hoist engine; The 13-handle; The 14-push rod; The 15-spring.
The specific embodiment
The invention provides a kind of quick extensible stairs, structure of the present invention, principle and the specific embodiment are further described below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, the structure of this quick extensible stairs comprises turnover panel 1, crank 2, rocking bar 3, foldable truss 4, pedal 5, middle axostylus axostyle 6.The development agency that described foldable truss 4 is made up of a plurality of scissor-types unit, the pair of links of each scissor-type unit all couples together by a revolute pair, the every pair of connecting rod only can wind to do perpendicular to this axis to plane, connecting rod place and relatively rotate, simultaneously, the connecting rod two ends are all by being connected with other scissor-type unit with revolute pair that middle revolute pair axis parallels.Parallel two groups of foldable truss 4 connect the turns auxiliary shaft line parallel of the axis of middle axostylus axostyle 6 and foldable truss 4 by many middle axostylus axostyles 6; Described turnover panel 1 is connected by revolute pair on the bottom surface of upper floor 9, can be around the rotational of revolute pair; Described crank 2 is connected with turnover panel 1 by revolute pair; Described rocking bar 3 is connected with crank 2 by revolute pair; Described foldable truss 4 is connected with turnover panel 1 with rocking bar 3 by revolute pair respectively; Foldable truss 4, rocking bar 3, crank 2 and crank and rocker mechanism of turnover panel 1 common composition; Described pedal 5 is laid on the middle axostylus axostyle 6; Upper floor 9 is provided with balcony lid 7 near the position at foldable truss 4 tops, passes through for personnel.
As shown in Figure 3 and Figure 4, set up hook 8, wire rope 11 and hoist engine 12 are set, on the end face of described upper floor 9 as the stow mechanism of extensible stairs in the bottom surface of described upper floor 9.When not having breaking out of fire, extensible stairs provided by the invention can fold and pack up.The wire rope 11 that is wrapped on the hoist engine 12 is transferred by ratchet and pawl arrangement, and wire rope 11 ends are provided with hook, transfers to the next stage that can catch on stair behind the appropriate location.Shake the handle 13 that links to each other with worm screw, by the worm-and-wheel gear that gearratio is very big power is passed to the hoist engine 12 that links to each other with worm gear output, hoist engine 12 reclaims wire rope 11, thereby the stair end is mentioned.Because the deployable structure characteristic of foldable truss 4, truss presents folded state.In addition, because turnover panel 1 is connected by revolute pair with upper floor, when the extensible stairs end is raised, turnover panel will be rotated around rotating secondary axis by drive.At this moment, extensible stairs is folded and packs up and press close to upper floor.Because the deployable structure characteristic of foldable truss, extensible stairs will be folded and pack up, and pack up the back stairs end and be suspended on the hook 8.At this moment, this extensible stairs is folded to be packed up, and the occupation space volume is very little, and can be used for airing clothes etc., has both avoided the ineffective occupation and the waste in space, has realized the maximization of this invention value again.
As shown in Figure 5, in described upper floor 9 bottom surfaces push rod 14 and spring 15 are set, hook 8 is connected with push rod 14 by revolute pair.When breaking out of fire need be escaped, open balcony lid 7, push rod 14 is promoted by spring 15, and driven in the other direction by the connected hook 8 of revolute pair, the extensible stairs end loses support and be expanded to lower floor's flooring 10 downwards under the deadweight effect, and turnover panel 1 is driven, and presses close to upper floor 9, become passway for escaping, people can drop to next floor from the balcony of a last floor by the escape stair.After the balcony of each floor was all installed this extensible stairs, when breaking out of fire, people just can drop to ground safely from high floor.
Quick extensible stairs provided by the invention, its physical dimension can design according to the floor interval height, by changing physical dimension or increase and decrease stair progression, can satisfy the demand of different floor buildings, satisfy design original intention easy and simple to handle, that reliability is high simultaneously again.
Claims (5)
1. quick extensible stairs, its structure comprises turnover panel (1), crank (2), rocking bar (3), foldable truss (4), pedal (5), middle axostylus axostyle (6), it is characterized in that, the development agency that described foldable truss (4) is made up of a plurality of scissor-types unit, parallel two groups of foldable truss (4) connect by many middle axostylus axostyles (6), the turns auxiliary shaft line parallel of the axis of middle axostylus axostyle (6) and foldable truss (4); Described turnover panel (1) is connected by revolute pair on the bottom surface of upper floor (9), can be around the rotational of revolute pair; Described crank (2) is connected with turnover panel (1) by revolute pair; Described rocking bar (3) is connected with crank (2) by revolute pair; Described foldable truss (4) is connected with turnover panel (1) with rocking bar (3) by revolute pair respectively; Foldable truss (4), rocking bar (3), crank (2) and turnover panel (1) are formed a crank and rocker mechanism jointly; Described pedal (5) is laid on the middle axostylus axostyle (6); Upper floor (9) is provided with balcony lid (7) near the position at foldable truss (4) top, passes through for personnel.
2. quick extensible stairs according to claim 1, it is characterized in that, the pair of links of each scissor-type unit of described foldable truss (4) couples together by a revolute pair, the every pair of connecting rod only can wind to do perpendicular to this axis to plane, connecting rod place and relatively rotate, simultaneously, the connecting rod two ends are all by being connected with other scissor-type unit with revolute pair that middle revolute pair axis parallels.
3. quick extensible stairs according to claim 1 is characterized in that, in the bottom surface of described upper floor (9) hook (8) is set, and described foldable truss (4) folds when packing up, and its end is suspended on the hook (8).
4. quick extensible stairs according to claim 1 is characterized in that: wire rope (11) and hoist engine (12) are set, as the stow mechanism of extensible stairs on the end face of described upper floor (9).
5. according to claim 1 or 3 described quick extensible stairs, it is characterized in that: set up push rod (14) and spring (15) in described upper floor (9) bottom surface, hook (8) is connected with push rod (14) by revolute pair; When balcony lid (7) when opening, push rod (14) is promoted by spring, and is driven in the other direction by the connected hook of revolute pair (8), the extensible stairs end lose support and under the deadweight effect expansion downwards become passway for escaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010177894 CN101831997B (en) | 2010-05-20 | 2010-05-20 | Quick extensible stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010177894 CN101831997B (en) | 2010-05-20 | 2010-05-20 | Quick extensible stairs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101831997A true CN101831997A (en) | 2010-09-15 |
| CN101831997B CN101831997B (en) | 2012-12-26 |
Family
ID=42716195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010177894 Expired - Fee Related CN101831997B (en) | 2010-05-20 | 2010-05-20 | Quick extensible stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101831997B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147684A (en) * | 2013-02-28 | 2013-06-12 | 胡佳威 | Carrying ladder for floor densely-distributed fire evacuation exits |
| CN104276482A (en) * | 2013-07-01 | 2015-01-14 | 苏玉叶 | Automatic ascending and descending stair for emergency evacuation |
| CN105604096A (en) * | 2016-03-03 | 2016-05-25 | 南通科莱能源技术有限公司 | Automatically opened cover plate structure for pipe trench |
| CN110630169A (en) * | 2019-08-16 | 2019-12-31 | 国网浙江省电力有限公司湖州供电公司 | Foldable maintenance inclined ladder of suspension type block terminal |
| CN113882602A (en) * | 2021-11-11 | 2022-01-04 | 中国二十二冶集团有限公司 | A prevent stepping on empty stair for assembly type structure |
| CN113978738A (en) * | 2021-12-24 | 2022-01-28 | 大同航源众诚动力科技有限公司 | Escape slide structure applied to passenger compartment door of civil aircraft |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2610429A1 (en) * | 1975-03-13 | 1976-09-16 | Naka Tech Lab | ESCAPE WAY DEVICE OF THE TYPE OF MOVING ESCAPE FLOOR |
| SE447589B (en) * | 1981-11-03 | 1986-11-24 | Midland Produktion | HOPPABLE OR HOPPABLE STEPS FOR USE IN CLOSES ORGANIZED IN ROOPS |
| CN1266936A (en) * | 1999-03-11 | 2000-09-20 | 高鸣 | Automatic device for stairs |
| CN2515339Y (en) * | 2001-11-30 | 2002-10-09 | 李云芳 | Telescopic stairway |
| CN201671256U (en) * | 2010-05-20 | 2010-12-15 | 清华大学 | Rapid developable stair |
-
2010
- 2010-05-20 CN CN 201010177894 patent/CN101831997B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2610429A1 (en) * | 1975-03-13 | 1976-09-16 | Naka Tech Lab | ESCAPE WAY DEVICE OF THE TYPE OF MOVING ESCAPE FLOOR |
| SE447589B (en) * | 1981-11-03 | 1986-11-24 | Midland Produktion | HOPPABLE OR HOPPABLE STEPS FOR USE IN CLOSES ORGANIZED IN ROOPS |
| CN1266936A (en) * | 1999-03-11 | 2000-09-20 | 高鸣 | Automatic device for stairs |
| CN2515339Y (en) * | 2001-11-30 | 2002-10-09 | 李云芳 | Telescopic stairway |
| CN201671256U (en) * | 2010-05-20 | 2010-12-15 | 清华大学 | Rapid developable stair |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147684A (en) * | 2013-02-28 | 2013-06-12 | 胡佳威 | Carrying ladder for floor densely-distributed fire evacuation exits |
| CN103147684B (en) * | 2013-02-28 | 2015-02-04 | 胡佳威 | Carrying ladder for floor densely-distributed fire evacuation exits |
| CN104276482A (en) * | 2013-07-01 | 2015-01-14 | 苏玉叶 | Automatic ascending and descending stair for emergency evacuation |
| CN105604096A (en) * | 2016-03-03 | 2016-05-25 | 南通科莱能源技术有限公司 | Automatically opened cover plate structure for pipe trench |
| CN110630169A (en) * | 2019-08-16 | 2019-12-31 | 国网浙江省电力有限公司湖州供电公司 | Foldable maintenance inclined ladder of suspension type block terminal |
| CN113882602A (en) * | 2021-11-11 | 2022-01-04 | 中国二十二冶集团有限公司 | A prevent stepping on empty stair for assembly type structure |
| CN113978738A (en) * | 2021-12-24 | 2022-01-28 | 大同航源众诚动力科技有限公司 | Escape slide structure applied to passenger compartment door of civil aircraft |
| CN113978738B (en) * | 2021-12-24 | 2022-03-11 | 大同航源众诚动力科技有限公司 | Escape slide structure applied to passenger compartment door of civil aircraft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101831997B (en) | 2012-12-26 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20140520 |