CN108785884A

CN108785884A - Combined stair for quick escape

Info

Publication number: CN108785884A
Application number: CN201811009610.2A
Authority: CN
Inventors: 陈明翠; 胡迎花; 张颖利; 马云鹏
Original assignee: Nanjing Vocational College Of Information Technology
Current assignee: Nanjing Vocational College Of Information Technology
Priority date: 2018-08-31
Filing date: 2018-08-31
Publication date: 2018-11-13

Abstract

The invention discloses a combined stair for quick escape, which comprises a common stair and an escape spiral slide, wherein the escape spiral slide is arranged between an upper stair section and a lower stair section of the common stair, the escape spiral slide is in clearance fit with the common stair, and the clearance is in a circular ring shape; the spiral angle of the escape spiral slide on each layer is equal to the inclination angle of the common stair. This application keeps the original gradient of ordinary stair, installs the spiral slide between the last bench of ordinary stair and the lower stair section, and both clearance fit, no matter take place any disaster like this, people can all follow ordinary stair and get into the spiral slide at any time and flee fast, and every layer of slide speed only has about 4 seconds when the spiral slide flees, and speed is very fast, and the security is high.

Description

A kind of combination stair of fast-escape

Technical field

The present invention relates to building construction technology fields, and in particular to a kind of combination stair of fast-escape.

Background technology

Stair are the components as floor gap vertical transportation in building, are mainly used between floor and when height difference is larger Traffic connection.Skyscraper although with elevator as main vertical transportation instrument, but still when retaining stair for fire Escape is used.People's custom is escaped from stair because usual using having got used to its gradient, when timely night has a power failure with Habitual movement, it also can skilled stair activity.

But if floor is higher or when needing emergency evacuation, the time is longer up and down for common stair, and majority select building It can occur crowded to cause to have little time to evacuate or flee from the scene of a fire sometimes when ladder escape.If by common stair and Chinese patent Fast-escape spiral slide combines design in a kind of 201810825644.2 building, keeps the original gradient of common stair, The upper bench of common stair and downstairs installation spiral slide between bench, the two clearance fit, in this way when disaster carrys out interim, people Spiral slide fast-escape can be entered at any time from common stair, every layer of sliding speed only has about 4 when spiral slide is escaped Second, quickly, safety is very high for speed.

Invention content

In order to achieve the above objectives, the present invention provides a kind of combination stair of fast-escape.

The technical solution that the present invention takes is：

A kind of combination stair of fast-escape, including common stair and escape spiral slide, the escape spiral slide are set Between the upper bench and lower bench of the common stair, escape spiral slide and common stair clearance fit, the gap is in Circular ring shape；The helix angle of the escape spiral slide is equal with the angle of inclination of common stair.

Further, the gap is 60~100mm, and angle of inclination is 23~45 °.There are two types of the effects in gap：When It excessive cannot be inconvenient to escape, second is that cannot the too small deformation to prevent building.

Further, the most narrow place clear span of the common stair is not less than 1100mm；Step width is 260~320mm；Platform Rank height is 150~175mm.Meet the requirement of design specification.

Further, the outside of the common stair is equipped with railing.Increase barrier propterty.

Further, the escape spiral slide includes open tubular column and the spiral slide around open tubular column, the open tubular column It is closed at both ends, an accommodating cavity is formed in open tubular column, the accommodating cavity is communicated with fire_fighting pipe network；It is described upper per helical layer slideway Side is equipped with several fire-fighting spraying heads, and the fire-fighting spraying head is communicated with accommodating cavity.

Further, the outside diameter of the escape spiral slide is 2500~3000mm.The outer circle of escape spiral slide It is not easy excessive, the excessive entire size for combining stair of increase, increase occupied space and manufacturing cost height.

Further, the lateral surface height of the spiral slide of the escape spiral slide is 400~600mm.It is too low to slide Dangerous, excessively high increase crosses over difficulty.

Beneficial effects of the present invention：The application is combined design using common stair with escape spiral slide, keeps common building The original gradient of ladder, in the upper bench of common stair and downstairs installs spiral slide between bench, the two clearance fit, in this way When disaster is come temporarily, people can enter spiral slide fast-escape at any time from common stair, every layer when spiral slide is escaped Sliding speed only has about 4 seconds, and speed is quickly, safe.

Description of the drawings

Fig. 1 is the structural schematic diagram of the combination stair of embodiment 1；

Fig. 2 is the vertical view of Fig. 1；

Fig. 3 is the exploded view of Fig. 2.

Specific implementation mode

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing and a kind of preferred reality Mode is applied technical scheme of the present invention is clearly and completely described.

Embodiment 1

Refering to fig. 1~Fig. 3, a kind of combination stair of fast-escape, including common stair 10 and escape spiral slide 20.Escape Raw spiral slide 20 is set between the upper bench and lower bench of common stair 10, between escape spiral slide 20 and common stair 10 Equipped with annular gap 101.Escape spiral slide 20 each layer helix angle with the angle of inclination phase of common stair 10 Deng.

Common stair 10 are made of upper bench 11, lower bench 12, front platform 13, rear platform 14 and railing 15.Upper bench 11 Inside vertically open up radius be D2/2 circular arc R 1, in order to compensate for the intensity of opening, the baseplate underside of upper bench It faces out prominent formed and fans annular stiffening ring 111.The inside of lower bench 12 vertically opens up the circular arc R 2 that radius is D2/2, In order to compensate for the intensity of opening, the baseplate underside of lower bench faces out prominent formed and fans annular stiffening ring 121.Front platform 13 Inside vertically opens up the circular arc R 3 that radius is D2/2.It is D2/2's that the inside of rear platform 14, which vertically opens up radius, Circular arc R 4.Circular arc R 1, R2, R3, R4 collectively constitute the open circles 102 of a diameter of D2.The outside installation of upper bench 11, lower bench 12 There is railing 15.Common stair 10 are concrete structure, and railing can be wooden, stainless steel.

In the present embodiment, D2=3200mm, the most narrow place width L=1100mm in common building 10；Step width b= 260mm；Step height h=170mm.It in other embodiments also can be in the range of b=260~320mm, h=150~175mm Interior selection.Inclined angle alpha=30 ° of common stair 10 can also select in the range of α=23~45 ° in other embodiments.

Spiral of escaping slide 20 includes a hollow cylinder 21 closed at both ends and the spiral slide around hollow cylinder 21 22.The inner cavity of hollow cylinder 21 is connected with fire_fighting pipe network, and the inner cavity of hollow cylinder 21 is full of fire water.Per helical layer slideway 22 Top be set to fire-fighting spraying head 23, fire-fighting spraying head 23 to spiral slide 22 distance it is equal.Fire-fighting spraying head 23 and sky The inner cavity of heart cylinder 21 is connected to, and when fire occurs, fire-fighting spraying head automatically opens, and can put out a fire can drench body, protection escape people Member.

In the present embodiment, the outside diameter D1=3000mm of spiral slide 20 in other embodiments also can be in D1= It is selected in the range of 2500~3000mm.The lateral surface height of spiral slide 22 is 400mm, in other embodiments, also can be It is selected in the range of 400~600mm.

Spiral of escaping slide 20 is set in the open circles 102 of common stair 10, between spiral slide 20 and common stair 10 Gap delta=(D2-D1)/2=100mm can also be selected in the range of δ=80~120mm in other embodiments.Escape Spiral slide 20 can after the completion of common stair 10 are constructed secondary installing.It is preferred that escape spiral slide 20 is made of steel construction.

Common stair 10 are downstairs used as usually upper, and when an accident occurs, people can directly cross from common stair Spiral of escaping slide 20, quickly flees the scene.

The above unspecified part is the prior art or can be achieved by the prior art.

Claims

1. a kind of combination stair of fast-escape, which is characterized in that including common stair and escape spiral slide, the escape spiral shell It revolves slide to be set between the upper bench and lower bench of the common stair, escape spiral slide and common stair clearance fit, institute It is in circular ring shape to state gap；The escape spiral slide ladder helix angle is equal with the angle of inclination of common stair.

2. as described in claim 1 combine stair, which is characterized in that the gap be 80~120mm, angle of inclination be 23~ 45°。

3. combining stair as described in claim 1, which is characterized in that the most narrow place clear span of the common stair is not less than 1100mm；Step width is 260~320mm；Step height is 150~175mm.

4. combining stair as described in claim 1, which is characterized in that the outside of the common stair is equipped with railing.

5. combining stair as described in claim 1, which is characterized in that the escape spiral slide includes open tubular column and surrounds empty The spiral slide of stem, closed at both ends, one accommodating cavity of formation, the accommodating cavity and the fire_fighting pipe network in open tubular column of the open tubular column It communicates；Several fire-fighting spraying heads are equipped with above every helical layer slideway, the fire-fighting spraying head is communicated with accommodating cavity.

6. as claimed in claim 5 combine stair, which is characterized in that it is described escape spiral slide outside diameter be 2500~ 3000mm。

7. combining stair as claimed in claim 5, which is characterized in that the lateral surface of the spiral slide of the escape spiral slide Height is 400~600mm.