CN104088413B - A kind of self-service escape stairs of Antiseismic building - Google Patents
A kind of self-service escape stairs of Antiseismic building Download PDFInfo
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- CN104088413B CN104088413B CN201410352125.0A CN201410352125A CN104088413B CN 104088413 B CN104088413 B CN 104088413B CN 201410352125 A CN201410352125 A CN 201410352125A CN 104088413 B CN104088413 B CN 104088413B
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Abstract
The invention discloses a kind of self-service escape stairs of Antiseismic building, it includes multiple landing, connected by staircase boards between adjacent landing, the centre strut being perpendicular to horizontal plane is set between two row staircase boards, centre position, each staircase boards bottom surface is respectively provided with boss, each boss bottom is respectively provided with trailing arm, each trailing arm is all connected with centre strut, centre strut both sides are respectively provided with multiple pedal protruding from centre strut, cushion rubber bumper is installed between each trailing arm and boss, preformed hole is set in the middle part of staircase boards, pre-buried column is installed in preformed hole, pre-buried column lower end is connected with trailing arm, fill concrete in preformed hole.It is an advantage of the current invention that: can effectively promote the shock strength of building stair, retain escape and the rescue passage of preciousness for people in seismic process and after earthquake, even if in the case of part or all of staircase boards all collapses, indicator of trapped personnel also has an opportunity to flee from building voluntarily, reduces the casualties quantity etc. in earthquake disaster.
Description
Technical field
The present invention relates to a kind of building stair, specifically a kind of self-service escape stairs of Antiseismic building.
Background technology
In recent years, continuous growth along with urban population density, increasing multilayer structure thing comes into operation in a large number, in multilamellar or high-rise, people are upper downstairs mostly uses elevator, but once there is earthquake, stair just become the unique passway for escaping of people of 2 layers and above floor, but the applicant finds after in the destructive several times stronger earthquake-stricken area that China in recent years occurs, collapsed building damage situations is not analyzed completely, although the main part of building is not yet collapsed, but the stair in these buildings collapse mostly in earthquake, even some distance epicentral location building farther out is in the case of its main part is the most intact, stair have occurred the situation of middle part breaking strain.nullThe applicant is after being analyzed the building stair that the many places extent of damage is different，Find that stair can be first in generation crack, middle part in earthquake，The xoncrete structure of staircase boards disconnects at crack，Now two parts staircase boards only leans on the bar connecting at crack up and down，And reinforcing bar is difficult to maintain original shape of staircase boards，Therefore staircase boards can at crack, middle part concave downward，Staircase boards top after depression changes with the junction angle of floor plates，Again can be in staircase boards top and generation crack, floor plates junction，Make concrete fracture herein，Now all the weight of staircase boards is all applied on the reinforcing bar of staircase boards top and floor plates junction，And reinforcing bar herein has produced bending when staircase boards caves in，Himself intensity is had a greatly reduced quality，Easily survivor through time or fracture completely in aftershock，Staircase boards monoblock is caused to drop，As long as and building having one piece of staircase boards drop，All staircase boards below all can collapse therewith，People are made to lose unique escape and rescue passage，The personnel escaped on stair also can be caused mortal injury during collapsing by staircase boards.
Summary of the invention
It is an object of the invention to provide a kind of self-service escape stairs of Antiseismic building, it can effectively promote the shock strength of building stair, retain escape and the rescue passage of preciousness for people in seismic process and after earthquake, even if in the case of part or all of staircase boards all collapses, indicator of trapped personnel also has an opportunity to flee from building voluntarily, reduces the casualties quantity in earthquake disaster.
nullThe present invention is for achieving the above object，It is achieved through the following technical solutions: include multiple landing，Each landing is installed in collar tie beam top，Collar tie beam is supported by constructional column，Connected by staircase boards between adjacent landing，Multiple staircase boards are vertically arranged parallel to each other into two row，The centre strut being perpendicular to horizontal plane is set between two row staircase boards，Centre position, each staircase boards bottom surface is respectively provided with the boss protruding from staircase boards bottom surface，Boss bottom surface and plane-parallel，Each boss bottom is respectively provided with trailing arm，Each trailing arm is all connected with centre strut，Centre strut is installed two sides of trailing arm and is respectively provided with multiple pedal protruding from centre strut，Cushion rubber bumper is installed between each trailing arm and boss，The cavity of up/down perforation is set in centre strut，Fill concrete in cavity，Preformed hole is set in the middle part of staircase boards，Preformed hole upper end communicates with staircase boards end face，Preformed hole lower end communicates with staircase boards bottom surface，Pre-buried column is installed in preformed hole，Pre-buried column lower end is connected with trailing arm，Fill concrete in preformed hole.Multiple bulge loop is set on pre-buried column, preformed hole sidewall border arranges the pore membrane of tubular, the pore membrane interior diameter near staircase boards end face one end is more than the pore membrane interior diameter near one end, staircase boards bottom surface, and the pore membrane overall diameter near staircase boards end face one end is more than the pore membrane overall diameter near one end, staircase boards bottom surface.Described centre strut includes the first riser and the second riser being parallel to each other, connected by the 3rd riser and the 4th riser between first riser and the second riser, 3rd riser, the 4th riser and the first riser and the second riser surround cavity jointly, the two ends of the first riser and the second riser horizontal direction all protrude from cavity outer wall, first riser and second riser one end form the first groove with the 3rd riser, first riser and the second riser other end and the 4th riser form the second groove, and the trailing arm of centre strut both sides is installed in the first groove or the second groove.Offering the first through hole on 3rd riser, the 4th riser offers the second through hole, install screw rod in the first through hole and the second through hole, screw rod one end is connected with trailing arm, and the screw rod other end is connected with nut.Described first through hole and the second through hole are strip hole, outside 3rd riser, the first baffle plate is set, first through hole can be closed by the first baffle plate, outside 4th riser, second baffle is set, second through hole can be closed by second baffle, installs two screw rods in the first through hole and the second through hole, and each screw rod two ends both pass through the first baffle plate and second baffle, screw rod one end is connected with trailing arm, and the screw rod other end is connected with nut.Being connected by threaded engagement between pre-buried column lower end and trailing arm, pre-buried capital end arranges six prisms.The annular sidewall border of pore membrane arranges ring-shaped step.Described pre-buried column is made up of concrete material.
It is an advantage of the current invention that: can effectively promote the shock strength of building stair, retain escape and the rescue passage of preciousness for people in seismic process and after earthquake, even if in the case of part or all of staircase boards all collapses, indicator of trapped personnel also has an opportunity to flee from building voluntarily, reduces the casualties quantity etc. in earthquake disaster.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is I portion structure for amplifying schematic diagram in Fig. 1；
Fig. 3 is the A-A sectional structure schematic diagram of Fig. 1
Fig. 4 is II portion structure for amplifying schematic diagram in Fig. 3；
Fig. 5 is the B-B sectional structure schematic diagram of Fig. 4.
Detailed description of the invention
nullA kind of self-service escape stairs of Antiseismic building of the present invention includes multiple landing 1，Each landing 1 is installed in collar tie beam 4 top，Collar tie beam 4 is supported by constructional column 5，Connected by staircase boards 2 between adjacent landing 1，Multiple staircase boards 2 are vertically arranged parallel to each other into two row，The centre strut 3 being perpendicular to horizontal plane is set between two row staircase boards 2，Centre position, each staircase boards 2 bottom surface is respectively provided with the boss 6 protruding from staircase boards 2 bottom surface，Boss 6 bottom surface and plane-parallel，It is respectively provided with trailing arm 7 bottom each boss 6，Each trailing arm 7 is all connected with centre strut 3，Centre strut 3 is installed two sides of trailing arm 7 and is respectively provided with multiple pedal 32 protruding from centre strut 3，Cushion rubber bumper 8 is installed between each trailing arm 7 and boss 6，The cavity 17 of up/down perforation is set in centre strut 3，Fill concrete in cavity 17，Preformed hole 9 is set in the middle part of staircase boards 2，Preformed hole 9 upper end communicates with staircase boards 2 end face，Preformed hole 9 lower end communicates with staircase boards 2 bottom surface，Pre-buried column 10 is installed in preformed hole 9，Pre-buried column 10 lower end is connected with trailing arm 7，Fill concrete in preformed hole 9.The present invention is supported in the middle part of each staircase boards 2 by trailing arm 7, can be prevented effectively from the middle part of staircase boards 2 and crack occurs in earthquake, strengthen the shock strength of staircase boards 2, retain escape and the rescue passage of preciousness for people in seismic process and after earthquake, reduce the casualties quantity in earthquake disaster, even if in the case of part or all of staircase boards all collapses, indicator of trapped personnel also can be escaped by the pedal 32 of centre strut 3 both sides earthward, and the escape probability of indicator of trapped personnel is significantly increased.Each trailing arm 7 is supported by centre strut 3, and other shear wall structure of centre strut 3 and building separates, and is not affected by building entirety shearing force, will not be tilted by other body of wall or collapse to be affected in earthquake.nullThe preformed hole 9 arranged on staircase boards 2 is capable of after staircase boards 2 has set up pouring into a mould concrete again and completes to be connected with trailing arm 7，This connected mode can eliminate the stress between staircase boards 2 and trailing arm 7，Even if pre-buried column 10 position on trailing arm 7 is equipped with relative to the centre bit of preformed hole 9 slightly to offset and nor affects on staircase boards 2 and be connected with trailing arm 7，The effect of pre-buried column 10 is to connect staircase boards 2 and trailing arm 7，Displacement is produced between staircase boards 2 and trailing arm 7 during preventing stair from using，When there is earthquake，The high-frequency vibration that earthquake produces is conducted to staircase boards 2 by pre-buried column 10 by trailing arm 7，Owing to the diameter of pre-buried column 10 is much smaller than trailing arm 7 and the size of staircase boards 2，First the most pre-buried column 10 can rupture under the effect of high-frequency vibration，Now staircase boards 2 is no longer rigidly connected with trailing arm 7，Trailing arm 7 only provides the support force of vertical direction to staircase boards 2，And the cushion rubber bumper 8 arranged between trailing arm 7 and staircase boards 2 bottom boss 6 is prevented from the high-frequency vibration that in earthquake, the earth's crust produces and is transferred directly on staircase boards 2，There is crack under the effect of high-frequency vibration in the concrete parts preventing staircase boards 2.nullPre-buried column 10 can be made up of multiple hard material，Wherein preferred material is concrete，Concrete material has higher hardness，Can ensure that there is between staircase boards 2 and trailing arm 7 higher bonding strength during normal use，In seismic process，Due to staircase boards 2、Trailing arm 7 and pre-buried column 10 are concrete material，Thus may determine that first diameter can rupture much smaller than the pre-buried column 10 of trailing arm 7 and staircase boards 2，Make no longer to be rigidly connected between staircase boards 2 and trailing arm 7，Staircase boards 2 is played a protective role，And pre-buried column 10 of the present invention uses metal、When other hard material such as plastics makes，Although also can rupture in earthquake，But owing to the concrete material of its material hardness and density and staircase boards 2 and trailing arm 7 exists difference，Therefore its rupture time is difficult to determine，It sometimes appear that staircase boards 2 is prior to the situation of pre-buried column 10 breakage.
The present invention in order to strengthen the bonding strength between trailing arm 7 staircase boards 2 when stair normally use, multiple bulge loop 11 can be set on pre-buried column 10, preformed hole 9 sidewall border arranges the pore membrane 12 of tubular, the pore membrane 12 interior diameter near staircase boards 2 end face one end is more than the pore membrane 12 interior diameter near one end, staircase boards 2 bottom surface, and the pore membrane 12 overall diameter near staircase boards 2 end face one end is more than the pore membrane 12 overall diameter near one end, staircase boards 2 bottom surface.After the bulge loop 11 arranged on pre-buried column 10 can prevent the concrete curing in preformed hole 9 from completing, relative movement is produced between concrete and pre-buried column 10, tubular pore membrane 12 top end diameter that preformed hole 9 sidewall border is arranged can prevent from more than bottom diameter, between concrete and the pore membrane 12 in preformed hole 9 and between pore membrane 12 and preformed hole 9 inwall, relative movement occurs, it is ensured that is fastenedly connected between staircase boards 2 and trailing arm 7.
The present invention is to improve centre strut 3 and the shear strength of trailing arm 7, following structure can be used: described centre strut 3 includes the first riser 13 and the second riser 14 being parallel to each other, connected by the 3rd riser 15 and the 4th riser 16 between first riser 13 and the second riser 14, 3rd riser 15, 4th riser 16 and the first riser 13 and the second riser 14 surround cavity 17 jointly, the two ends of the first riser 13 and the second riser 14 horizontal direction all protrude from cavity 17 outer wall, first riser 13 and second riser 14 one end form the first groove 18 with the 3rd riser 15, first riser 13 and second riser 14 other end and the 4th riser 16 form the second groove 19, the trailing arm 7 of centre strut 3 both sides is installed in the first groove 18 or the second groove 19.Trailing arm 7 can be played effective supporting role by groove when trailing arm 7 is by side force, can promote the shear strength of centre strut 3 self simultaneously.
Trailing arm 7 of the present invention preferably employs following manner with centre strut 3 and is connected: offer the first through hole 20 on the 3rd riser 15, the second through hole 21 is offered on 4th riser 16, in first through hole 20 and the second through hole 21, screw rod 22 is installed, screw rod 22 one end is connected with trailing arm 7, and screw rod 22 other end is connected with nut 23.This structure has advantage easy to connect, and this structure is after cast concrete simultaneously, and concrete and screw rod 22 are cured as one, makes trailing arm 7 and centre strut 3 have high bonding strength.In addition, the present invention is in order to be finely adjusted the setting height(from bottom) of trailing arm 7, so as the position adjusted between trailing arm 7 and staircase boards 2, following structure can be used further: described first through hole 20 and the second through hole 21 are strip hole, first baffle plate 24 is set outside the 3rd riser 15, first through hole 20 can be closed by the first baffle plate 24, outside 4th riser, second baffle 25 is set, second through hole 21 can be closed by second baffle 25, in first through hole 20 and the second through hole 21, two screw rods 22 are installed, each screw rod 22 two ends both pass through the first baffle plate 24 and second baffle 25, screw rod 22 one end is connected with trailing arm 7, screw rod 22 other end is connected with nut 23.This structure can make screw rod 22 along strip hole shift position, and strip hole can be closed by the first baffle plate 24 and second baffle 25, and when preventing pouring into a mould concrete, concrete overflows from strip hole.
The present invention, in order to simplify the mounting process between staircase boards 2 and trailing arm 7, can be connected by threaded engagement between trailing arm 7 in pre-buried column 10 lower end, and pre-buried column 10 top arranges six prisms 26.Pre-buried column 10 is fixed with trailing arm 7 when being connected, while pre-buried column 10 penetrates preformed hole 9, trailing arm 7 need to be fixed, operation easier is relatively large, pre-buried column 10 is easily broken during operation, and after the present invention uses said structure, can be after staircase boards 2 and trailing arm 7 have all been fixed, on preformed hole 9 top down through pre-buried column 10, just pre-buried column 10 can be arranged on trailing arm 7 by six rib box spanners.
Transition can be carried out by the shape such as the conical surface or ring-shaped step between pore membrane 12 two ends of the present invention, owing to the concrete material edge inside and outside pore membrane 12 is easily broken, therefore for guaranteeing the bonding strength of pore membrane 12 and interior outside concrete, the present invention preferably arranges ring-shaped step 27 in the annular sidewall border of pore membrane 12.
Claims (8)
- null1. the self-service escape stairs of Antiseismic building，It is characterized in that: include multiple landing (1)，Each landing (1) is installed in collar tie beam (4) top，Collar tie beam (4) is supported by constructional column (5)，Connected by staircase boards (2) between adjacent landing (1)，Multiple staircase boards (2) are vertically arranged parallel to each other into two row，The centre strut (3) being perpendicular to horizontal plane is set between two row staircase boards (2)，Each staircase boards (2) centre position, bottom surface is respectively provided with the boss (6) protruding from staircase boards (2) bottom surface，Boss (6) bottom surface and plane-parallel，Each boss (6) bottom is respectively provided with trailing arm (7)，Each trailing arm (7) is all connected with centre strut (3)，Centre strut (3) is installed two sides of trailing arm (7) and is respectively provided with multiple pedal (32) protruding from centre strut (3)，Cushion rubber bumper (8) is installed between each trailing arm (7) and boss (6)，The cavity (17) of up/down perforation is set in centre strut (3)，Cavity (17) interior fill concrete，Staircase boards (2) middle part arranges preformed hole (9)，Preformed hole (9) upper end communicates with staircase boards (2) end face，Preformed hole (9) lower end communicates with staircase boards (2) bottom surface，Pre-buried column (10) is installed in preformed hole (9)，Pre-buried column (10) lower end is connected with trailing arm (7)，Preformed hole (9) interior fill concrete.
- A kind of self-service escape stairs of Antiseismic building the most according to claim 1, it is characterized in that: multiple bulge loop (11) is set on pre-buried column (10), preformed hole (9) sidewall border arranges the pore membrane (12) of tubular, the pore membrane (12) interior diameter near staircase boards (2) end face one end is more than the pore membrane (12) overall diameter near staircase boards (2) one end, bottom surface more than the interior diameter of close staircase boards (2) one end, bottom surface of pore membrane (12), the pore membrane (12) overall diameter near staircase boards (2) end face one end.
- nullA kind of self-service escape stairs of Antiseismic building the most according to claim 1，It is characterized in that: described centre strut (3) includes the first riser (13) and the second riser (14) being parallel to each other，Connected by the 3rd riser (15) and the 4th riser (16) between first riser (13) and the second riser (14)，3rd riser (15)、4th riser (16) surrounds cavity (17) jointly with the first riser (13) and the second riser (14)，The two ends of the first riser (13) and the second riser (14) horizontal direction all protrude from cavity (17) outer wall，First riser (13) and the second riser (14) one end form the first groove (18) with the 3rd riser (15)，First riser (13) and the second riser (14) other end and the 4th riser (16) form the second groove (19)，The trailing arm (7) of centre strut (3) both sides is installed in the first groove (18) or the second groove (19).
- A kind of self-service escape stairs of Antiseismic building the most according to claim 3, it is characterized in that: on the 3rd riser (15), offer the first through hole (20), the second through hole (21) is offered on 4th riser (16), screw rod (22) is installed in the first through hole (20) and the second through hole (21), screw rod (22) one end is connected with trailing arm (7), and screw rod (22) other end is connected with nut (23).
- A kind of self-service escape stairs of Antiseismic building the most according to claim 4, it is characterized in that: described first through hole (20) and the second through hole (21) are strip hole, 3rd riser (15) outside arranges the first baffle plate (24), first through hole (20) can be closed by the first baffle plate (24), second baffle (25) is set outside the 4th riser, second through hole (21) can be closed by second baffle (25), two screw rods (22) are installed in the first through hole (20) and the second through hole (21), each screw rod (22) two ends both pass through the first baffle plate (24) and second baffle (25), screw rod (22) one end is connected with trailing arm (7), screw rod (22) other end is connected with nut (23).
- A kind of self-service escape stairs of Antiseismic building the most according to claim 1, it is characterised in that: being connected by threaded engagement between pre-buried column (10) lower end with trailing arm (7), pre-buried column (10) top arranges six prisms (26).
- A kind of self-service escape stairs of Antiseismic building the most according to claim 2, it is characterised in that: the annular sidewall border of pore membrane (12) arranges ring-shaped step (27).
- A kind of self-service escape stairs of Antiseismic building the most according to claim 1, it is characterised in that: described pre-buried column (10) is made up of concrete material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410352125.0A CN104088413B (en) | 2014-07-23 | 2014-07-23 | A kind of self-service escape stairs of Antiseismic building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410352125.0A CN104088413B (en) | 2014-07-23 | 2014-07-23 | A kind of self-service escape stairs of Antiseismic building |
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| CN104088413A CN104088413A (en) | 2014-10-08 |
| CN104088413B true CN104088413B (en) | 2016-08-24 |
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| CN109235920A (en) * | 2018-10-12 | 2019-01-18 | 广西大学 | The plug-in installation elevator in the through former gate of oblique Cantilever Beams support |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09235908A (en) * | 1996-02-29 | 1997-09-09 | Taisei Corp | Base isolation method for stairs, and building with stairs in base isolation structure |
| CN201460069U (en) * | 2009-06-26 | 2010-05-12 | 李金喜 | Rotating combined stairs |
| EP2378025A1 (en) * | 2010-04-15 | 2011-10-19 | Chridami Medias | Collapsible spiral staircase |
| CN202227611U (en) * | 2011-08-31 | 2012-05-23 | 中国建筑西南设计研究院有限公司 | Separated shock-absorption stair |
| CN202596051U (en) * | 2012-05-03 | 2012-12-12 | 宁波市镇海捷登工艺楼梯厂 | Adjustable stair support |
-
2014
- 2014-07-23 CN CN201410352125.0A patent/CN104088413B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09235908A (en) * | 1996-02-29 | 1997-09-09 | Taisei Corp | Base isolation method for stairs, and building with stairs in base isolation structure |
| CN201460069U (en) * | 2009-06-26 | 2010-05-12 | 李金喜 | Rotating combined stairs |
| EP2378025A1 (en) * | 2010-04-15 | 2011-10-19 | Chridami Medias | Collapsible spiral staircase |
| CN202227611U (en) * | 2011-08-31 | 2012-05-23 | 中国建筑西南设计研究院有限公司 | Separated shock-absorption stair |
| CN202596051U (en) * | 2012-05-03 | 2012-12-12 | 宁波市镇海捷登工艺楼梯厂 | Adjustable stair support |
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