CN111980316B - Shock insulation assembly type building stair and construction method - Google Patents
Shock insulation assembly type building stair and construction method Download PDFInfo
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- CN111980316B CN111980316B CN202010865495.XA CN202010865495A CN111980316B CN 111980316 B CN111980316 B CN 111980316B CN 202010865495 A CN202010865495 A CN 202010865495A CN 111980316 B CN111980316 B CN 111980316B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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Abstract
The application relates to a shock insulation assembly type building stair which comprises an assembly beam, a corner plate, a stair inclined frame and stair plates fixedly connected to the stair inclined frame, wherein buffer layers are arranged in the stair plates and the corner plate; the application also discloses a construction method of the shock insulation assembly type building stair, which is characterized by comprising the following steps: s1: mounting the assembly beam on a wall; s2: fixedly connecting the corner fixing plate to the assembling beam; s3: erecting the stair oblique frame on the adjacent corner plate; s4: the stair fixing plate is fixedly connected with the stair inclined frame, then the buffer layer is placed in the caulking groove of the stair plate, and then the stair top plate is connected with the stair fixing plate through the movable connecting mechanism. The buffer layer can be arranged to absorb the vibration generated when a user passes through the stair, so that the occurrence of the shaking condition of the assembled stair due to the vibration generated by use is reduced.
Description
Technical Field
The application relates to the field of building stairs, in particular to a shock insulation assembly type building stair and a construction method.
Background
The staircase room of traditional cast-in-place building structure usually pours staircase roof beam, stair board, landing slab integrally, and when the building meets with the earthquake, the staircase room not only bears vertical power, also will bear certain horizontal force simultaneously, and the node of stair board, stair roof beam is monolithic pouring, very easily takes place to destroy when resisting horizontal force, influences structural safety. The staircase of conventional assembled building structure is then prefabricated with the stair board, and stair beam and landing slab integral casting, prefabricated stair board are shelved on the stair beam, form the fixed gliding letter of one end structure, and under the earthquake power effect, prefabricated staircase can produce the displacement, collides with peripheral structure, and influences service function and even destroys.
To the above-mentioned problem, chinese patent that publication number is CN109629776A discloses an equal sliding connection in both ends supports antidetonation type assembled stair from top to bottom, platform including the level setting, the upper ladder roof beam that the slope of high left and right sides set up and the lower floor ladder roof beam that the slope of low left and right sides set up, upper ladder roof beam and lower floor ladder roof beam are assembled steel concrete integrated configuration, platform left side bottom is provided with the platform roof beam along the fore-and-aft horizontal direction, install a plurality of support bracket on the platform roof beam, the preceding lateral part and two at least support brackets of upper ladder roof beam right-hand member are connected through preceding sliding connection supporting component, the back lateral part and two at least support brackets of lower floor ladder roof beam right-hand member are connected through back sliding connection supporting component.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: this kind of indoor stair can use often in daily life, can produce vibrations often when the user uses the stair of assembled, and the vibration can make the stair of assembled produce the vibration, and the vibration accumulation that easily takes place can cause the stair to produce great rocking when long-time use, threatens user's safety.
Disclosure of Invention
In order to reduce the problem that the stair shakes finally when in use, the application provides a shock insulation fabricated building stair and a construction method.
First aspect, the application provides a shock insulation assembled building stair adopts following technical scheme:
the utility model provides a shock insulation assembled building stair, includes assembly beam, scute, stair sloping frame and the stair board of fixed connection on the stair sloping frame, the scute is fixed set up in on the assembly beam, the stair sloping frame sets up adjacently between the scute, follow on the stair sloping frame length direction is provided with a plurality of the stair board, the stair board with all be provided with the buffer layer in the scute, the buffer layer including set up in stair board central part and the air cushion of scute central part to be provided with bearing structure in air cushion week side.
Through adopting above-mentioned technical scheme, thereby the setting of assembly beam can be fixed and provide the support for whole stair on the wall that needs installation stair position, simultaneously because stair are the reciprocal setting of zigzag, so set up the corner board on the assembly beam to place the slope of stair sloping between two arbitrary adjacent corner boards mutually, can accomplish to obtain the equipment to the stair with stair board fixed mounting on the stair sloping after the completion of setting up of stair sloping. Simultaneously at the inside buffer layer that sets up of stair tread and corner board, the setting of air cushion is trampled the impact of trampling the production when the user tramples to stair tread or corner board on and is absorbed to the realization reduces because long-time user tramples the condition emergence that vibrations caused assembled stair to rock easily. On the other hand, the supporting structure can be arranged to support the stair boards and the corner plates in an auxiliary mode, and the phenomenon that the air cushion is damaged due to overlarge impact is avoided when the air cushion is used.
Preferably, the support structure is a honeycomb-shaped support layer, and a support framework is arranged in the honeycomb-shaped support layer.
Through adopting above-mentioned technical scheme, cellular supporting layer can play stable bearing structure on the one hand, causes great injury to the air cushion when preventing to strike too big, and on the other hand, cellular bearing structure can reduce the use of material under the condition that does not influence support strength, has played material saving's effect.
Preferably, the stair plates comprise stair fixing plates fixedly mounted with the stair inclined frames, caulking grooves used for containing the buffer layers are formed in the stair fixing plates, stair top plates are arranged on the caulking grooves, and movable connecting mechanisms are arranged between the stair top plates and the stair fixing plates.
Through adopting above-mentioned technical scheme, the setting of stair fixed plate can make things convenient for the staff to install the stair board on the stair sloping frame, and the buffer layer can be placed in convenient work to the setting of caulking groove simultaneously when using, and the stair roof can cover the protection to the buffer layer, makes things convenient for the staff to protect the buffer layer on the one hand, and on the other hand stair roof has played the stable effect of bearing the weight of user's foot.
Preferably, the movable connecting mechanism comprises a fixing hole formed in the stair fixing plate and faces towards one side face of the stair top plate, an elastic fixing piece is arranged in the fixing hole, a fixing screw hole is formed in the elastic fixing piece, a fixing screw hole is also formed in the position, corresponding to the fixing hole, of the stair top plate, and a fixing bolt is detachably arranged in the fixing screw hole.
Through adopting above-mentioned technical scheme, after fixing bolt passed fixed screw and elastic fixing spare threaded connection, can fix the stair roof on elastic fixing spare, and elastic fixing spare is in the fixed orifices on the stair fixed plate, thereby accomplish the fixed of stair roof and stair fixed plate, and when the stair roof pushed down receiving pressure when using, elastic fixing spare can provide the space of lapse for the stair roof, the dispersion that pressure can be better this moment is to the buffer layer in, thereby better realization shock insulation.
Preferably, the corner plate comprises a corner fixing plate fixedly connected with the assembly beam, a plurality of accommodating grooves used for accommodating the buffer layer are formed in the corner fixing plate, a corner top plate is arranged above the corner fixing plate, and a plurality of movable connecting mechanisms are also arranged between the corner top plate and the corner fixing plate.
Through adopting above-mentioned technical scheme, the setting of the holding tank on the corner board can provide the holding position for the buffer layer, the steady support to user's foot can be played in the setting of corner roof, the area of considering the corner board simultaneously is great, and the lifting surface area of corner board is little when the user stands on the upper surface, in order to avoid the atress inequality to lead to the absorption impact that the buffer layer can not be better, the event is provided with a plurality of holding tank, realize the separation setting of a plurality of buffer layers, thereby make the user when contacting the different positions of corner board, all can have the vibrations that one or more buffer layers caused to the user's walking in the corner board to absorb.
Preferably, the end part of the stair inclined frame is provided with a connecting plate used for being connected with the corner plate, a connecting groove is formed in the position, corresponding to the connecting plate, of the corner fixing plate, a limiting block is arranged in the connecting groove, and the connecting plate is provided with a limiting groove in a matched mode.
Through adopting above-mentioned technical scheme, the setting of connecting plate can make things convenient for the staff to set up the stair sloping frame on the corner board, and the part that the connecting groove and the cooperation of connecting plate can guarantee that the stair sloping frame is set up on the corner fixed plate can not outstanding in the lateral wall highest point in connecting groove to avoid connecting plate and corner board junction to have the emergence of the pedestrian's of stumbling safety accident of arch.
Preferably, a lateral buffer piece is arranged on the side wall of the limiting block.
Through adopting above-mentioned technical scheme, the setting of horizontal bolster can reduce when the stair sloping receives vibrations to cause the stopper to strike the stopper and lead to the stopper easily to take place cracked possibility.
In a second aspect, the application provides a construction method of a shock insulation fabricated building stair, which comprises the following steps:
s1: mounting the assembly beam on a wall;
s2: fixedly connecting the corner fixing plate to the assembly beam, placing the buffer layer on the corner fixing plate to obtain an accommodating groove, and connecting the corner top plate with the corner fixing plate through a movable connecting mechanism;
s3: the stair oblique frames are erected on the adjacent corner plates, so that the connecting plates are placed in the connecting grooves in a matched mode, and the limiting blocks are guaranteed to be inserted into the limiting grooves;
s4: the stair fixing plate is fixedly connected with the stair inclined frame, then the buffer layer is placed in the caulking groove of the stair plate, and then the stair top plate is connected with the stair fixing plate through the movable connecting mechanism.
Through the technical scheme, the assembly beam, the stair inclined frame and the stair boards can be well assembled by workers, so that the whole assembly type building stair is installed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a schematic view of the stair tread structure of the present application.
Fig. 3 is a schematic illustration of the exploded structure of the stair tread of the present application.
FIG. 4 is a schematic illustration of the exploded construction of the corner panel of the present application.
Fig. 5 is a schematic cross-sectional view of the articulating mechanism of the present application.
Fig. 6 is a schematic cross-sectional structure of the lateral cushioning structure of the present application.
Fig. 7 is a partially enlarged schematic view of a portion a in fig. 1.
Description of reference numerals: 1. assembling the beam; 11. assembling a plate; 12. an expansion bolt; 2. corner plates; 21. a corner fixing plate; 22. a corner top plate; 23. connecting grooves; 24. a limiting block; 3. a stair ramp; 31. fixing the cross beam; 32. a stair mounting plate; 321. caulking grooves; 33. reinforcing ribs; 34. a connecting plate; 35. a limiting groove; 4. a stair tread; 41. a stair top plate; 42. a stair fixing plate; 421. accommodating grooves; 5. a buffer layer; 51. an air cushion; 52. a support structure; 6. a movable connecting mechanism; 61. a fixing hole; 62. an elastic fixing member; 621. connecting columns; 622. a limiting plate; 623. a support spring; 624. fixing screw holes; 7. a transverse rod buffer; 71. a cushioning spring; 72. a buffer rod; 73. a buffer guide ring; 74. a limiting fixing cylinder; 75. a fixing ring; 76. mounting holes; 77. a contact plate; 79. a buffer hole; 8. a baffle slot; 81. a shielding plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses shock insulation assembled building stair. Referring to fig. 1 and 2, a shock insulation assembled building stair, including assembly beam 1, corner board 2, stair sloping 3 and the stair board 4 of fixed connection on stair sloping 3, corner board 2 is fixed to be set up on assembly beam 1, and the both ends of assembly beam 1 are provided with and are used for fixing assembly beam 1 on the assembly plate 11 on the wall, are provided with a plurality of pilot holes on the assembly plate 11, and are provided with expansion bolts 12 in the pilot hole. Stair sloping frame 3 sets up between adjacent corner board 2, is provided with a plurality of stair boards 4 along 3 length direction of stair sloping frame on the stair sloping frame 3, and is provided with a plurality of fixed cross beams 31 that are used for fixed stair board 4 on the stair sloping frame 3, is provided with stair fixed plate 42 on the fixed cross beam 31, is provided with strengthening rib 33 between stair fixed plate 42 and the fixed cross beam 31. Stair board 4 includes stair mounting panel 32 with 3 fixed mounting of stair sloping frame, and stair mounting panel 32 is provided with the installation screw that is used for fixed stair fixed plate 42 towards 3 sides of stair sloping frame on, aims at the installation screw position on the stair fixed plate 42 on the fixed plate and equally is provided with the installation screw. The corner plate 2 comprises a corner fixing plate 21 fixedly connected with the assembling beam 1, a mounting screw hole is formed in one side face, facing the assembling beam 1, of the corner fixing plate 21, the mounting screw hole is also formed in the position, matched with the corner fixing plate 21, of the assembling beam 1, and a worker can fix the corner fixing plate on the assembling beam 1 through a fixing bolt.
Referring to fig. 2 and 3, in order to achieve absorption of shock caused by a user in use, a cushioning layer 5 is provided in each of the stair plates 4 and the corner plates 2, the cushioning layer 5 includes air cushions 51 provided in a central portion of the stair plates 4 and a central portion of the corner plates 2, and a support structure 52 is provided on a peripheral side of the air cushions 51. An embedded groove 321 used for accommodating the buffer layer 5 is formed in one side face, facing away from the stair oblique frame 3, of the stair fixing plate 42, the height of the buffer layer 5 is 3-5mm larger than the depth of the embedded groove 321, a stair top plate 41 is arranged on the embedded groove 321, and a movable connecting mechanism 6 is arranged between the stair top plate 41 and the stair fixing plate 42. The corner fixing plate 21 is provided with a plurality of accommodating grooves 421 for accommodating the buffer layer 5, the accommodating grooves 421 are provided with 4 in this embodiment, the covering areas of the 4 accommodating grooves 421 are the same, a partition plate is provided between every two accommodating grooves 421, and the height of the buffer layer 5 is greater than the depth of the accommodating grooves 421 by 3-5 mm. A corner top plate 22 is arranged above the corner fixing plate 21, and a plurality of movable connecting mechanisms 6 are also arranged between the corner top plate 22 and the corner fixing plate 21. Simultaneously at the inside buffer layer 5 that sets up of stair board 4 and corner board 2, the setting of air cushion 51 is trampled the impact of trampling the production when the user tramples on stair board 4 or corner board 2 to the realization reduces because the long-time user tramples the condition emergence that vibrations caused assembled stair to rock easily. On the other hand, the supporting structure 52 can be used for supporting the stair boards 4 and the corner boards 2, so as to avoid the damage to the air cushion 51 caused by excessive impact during use. The buffer layer 5 comprises air cushions 51 arranged at the central parts of the stair boards 4 and the central parts of the corner boards 2 and supporting structures 52 arranged on the peripheral sides of the air cushions 51, the supporting structures 52 and the air cushions 51 can be made of polyurethane, polyvinyl chloride thermoplastic polyurethane and the like, meanwhile, the supporting structures 52 are arranged into honeycomb-shaped supporting layers, and supporting skeletons made of steel wires are arranged in the honeycomb-shaped supporting layers. The honeycomb-shaped supporting layer can play a role in stabilizing the supporting structure 52 and preventing the air cushion 51 from being greatly damaged by overlarge impact, and on the other hand, the honeycomb-shaped supporting structure 52 can reduce the use of materials under the condition of not influencing the supporting strength, thereby playing a role in saving materials.
Referring to fig. 3 and 5, swing joint mechanism 6 is including setting up in the fixed orifices 61 on one side of stair fixed plate 42 orientation stair roof 41, refer to fig. 4 simultaneously, be provided with a plurality of fixed orifices 61 on corner fixed plate 21 orientation corner roof 22 side equally, be provided with elastic fixing spare 62 in the fixed orifices 61, elastic fixing spare 62 is including integrative spliced pole 621 and the limiting plate 622 that sets up, set up the fixed screw hole 624 that supplies fixing bolt threaded connection in the spliced pole 621, the limiting plate 622 is located the bottom that spliced pole 621 is located fixed orifices 61, limiting plate 622 and fixed orifices 61 clearance fit, and the aperture of fixed orifices 61 opening part reduces to and keeps off the laminating of spliced pole 621 outer wall ring, and be provided with supporting spring 623 between limiting plate 622 and the fixed orifices 61 diapire. Fixing screw holes 624 are also formed in the positions, corresponding to the fixing holes 61, of the stair top plate 41 and the corner top plate 22, and fixing bolts are detachably arranged in the fixing screw holes 624. After the fixing bolt passes through the fixing screw hole 624 of the stair top plate 41 and is screwed with the fixing screw hole 624 of the elastic fixing member 62, the stair top plate 41 can be fixed on the elastic fixing member 62, and the elastic fixing member 62 is in the fixing hole 61 of the stair fixing plate 42, thereby completing the fixing of the stair top plate 41 and the stair fixing plate 42. And the stair top plate 41 can be fixed on the elastic fixing member 62 after the fixing bolt passes through the fixing screw hole 624 of the corner top plate 22 and is screwed with the fixing screw hole 624 of the elastic fixing member 62.
Referring to fig. 4 and 6, in order to facilitate the installation process of the working staff between the stair chute 3 and the corner plate 2, a connecting plate 34 for connecting with the corner plate 2 is arranged at the end of the stair chute 3, a connecting groove 23 is arranged at the position of the corner fixing plate 21 corresponding to the connecting plate 34, a limiting block 24 is arranged in the connecting groove 23, and a limiting groove 35 is arranged on the connecting plate 34 in cooperation with the limiting block 24. The arrangement of the connecting plate 34 can facilitate the workers to set up the stair inclined frame 3 on the corner fixing plate 21, and the matching of the connecting groove 23 and the connecting plate 34 can ensure that the part of the stair inclined frame 3 set up on the corner plate 2 can not protrude out of the highest position of the side wall of the connecting groove 23, so that the safety accident that pedestrians are stumbled by the protrusions at the connecting part of the connecting plate 34 and the corner plate 2 is avoided. Further, in order to prevent the user from damaging the connection part between the stair slant 3 and the corner plate 2 due to the shock generated by the user when using the fabricated building stair, two side surfaces of the side wall of the limiting block 24 corresponding to the side wall of the limiting groove 35 are provided with buffering holes 79, a transverse buffering member is arranged in each buffering hole 79, the transverse buffering member comprises a buffering spring 71 fixedly arranged at the bottom of the buffering hole 79, the free end of the buffering spring 71 is connected with a buffering rod 72, meanwhile, in order to limit the position of the buffering rod 72 and avoid the non-radial movement of the buffering rod 72 in the buffering hole 79, a buffering guide ring 73 is arranged between the buffering spring and the buffering rod 72, the buffering guide ring 73 is attached to the inner wall of the buffering hole 79, a limiting fixing cylinder 74 is arranged at the opening of the buffering hole 79, the limiting fixing cylinder 74 can be inserted into the buffering hole 79, and a guide hole for the buffering rod 72 to pass through is arranged on the bottom wall of the limiting fixing cylinder 74, and the opening end of the spacing fixed cylinder 74 is provided with a fixed ring 75 perpendicular to the axis of the spacing fixed cylinder 74, the fixed ring 75 is provided with a plurality of mounting holes 76 for fixing the fixed ring 75 on the surface of the spacing block 24, and the end of the buffer rod 72 facing the side wall of the spacing groove 35 is provided with a contact plate 77, and because the contact plate 77 and part of the buffer rod 72 need to be accommodated between the spacing groove 35 and the spacing block 24, the width of the spacing groove 35 is set to be larger than that of the spacing block 24, and the contact plate 77 can abut against the side wall of the spacing groove 35.
Referring to fig. 7, in order to further prevent impurities from entering into the gap between the connecting plate 34 and the connecting groove 23, a baffle groove 8 is arranged at a position opposite to the connecting plate 34 and the corner top plate 22, a shielding plate 81 is arranged in the baffle groove 8, and the shielding plate 81 can be made of a flexible material or a hard material.
The implementation principle of the shock insulation assembled building stair of the embodiment of the application is as follows: when assembling the fabricated stairway, a worker firstly installs the fabricated beam 1 on the wall. The corner plate 2 is then installed by fixing the corner fixing plate 21 to the mounting beam 1 by the fixing bolt, then placing the buffer layer 5 into the receiving groove 421, placing the corner top plate 22 over the receiving groove 421, and inserting the fixing bolt into the fixing bolt hole 624, thereby completing the installation of the corner plate 2. Later press the stair sloping frame 3 overlap joint in adjacent corner, make connecting plate 34 put into the spread groove 23, stopper 24 inserts spacing groove 35, and horizontal buffer's contact plate 77 and spacing groove 35 lateral wall butt, later stair fixed plate 42 passes through fixing bolt fixed mounting on stair sloping frame 3, later lead to put into caulking groove 321 with buffer layer 5, and install stair roof 41 in stair fixed plate 42 top, later insert fixing bolt in fixed screw 624, thereby accomplish the installation of stair board 4. Buffer layer 5 can absorb the vibrations that the user caused in the use, receives pressure when pushing down at stair roof 41 or corner roof 22 simultaneously, and elastic fixing member 62 can move down in fixed orifices 61 to make buffer layer 5 can be better with stair roof 41 or corner roof 22 contact, better absorb the vibrations that the user produced when passing through. The buffer rod 72 in the lateral buffer can absorb the lateral shock generated by the stair ramp 3 in use under the action of the buffer spring 71.
The embodiment of the application also discloses a construction method of the shock insulation assembly type building stair, which comprises the following steps:
s1: mounting the assembly beam 1 on a wall;
s2: fixedly connecting the corner fixing plate 21 to the assembly beam 1, placing the buffer layer 5 on the corner fixing plate 21 to obtain a containing groove 421, and connecting the corner top plate 22 with the corner fixing plate 21 through the movable connecting mechanism 6;
s3: the stair oblique frame 3 is erected on the adjacent corner plate 2, the connecting plate 34 is placed in the connecting groove 23 in a matching mode, and the limiting block 24 is ensured to be inserted into the limiting groove 35;
s4: the stair fixing plate 42 is fixedly connected with the stair oblique frame 3, then the buffer layer 5 is placed in the caulking groove 321 of the stair plate 4, and then the stair top plate 41 is connected with the stair fixing plate 42 through the movable connecting mechanism 6.
In S1, the mounting girder 1 is mounted on the wall body through the mounting plate 11.
In S2, after the buffer layer 5 is placed in the receiving groove 421 of the corner fixing plate 21, the corner top plate 22 is fixed to the corner fixing plate 21 by the movable connecting mechanism 6, so that the corner plate 2 can be assembled and mounted on the main body, and the corner fixing plate 21 is mounted on the assembling beam 1 by the fixing bolt, so that the corner plate 2 can be assembled and mounted in a bright manner.
At S3, the stopper groove 35 is lowered in alignment with the stopper 24, and the contact plate 77 of the lateral buffer mechanism is ensured to abut against the side wall of the stopper groove 35.
In S4, the installation of the stair plate 4 body is completed by the movable connecting mechanism 6, and the stair fixing plate 42 is fixed to the stair nosing 3 by bolts.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. The utility model provides a shock insulation assembled building stair which characterized in that: comprises an assembly beam (1), a corner plate (2), a stair inclined frame (3) and a stair plate (4) fixedly connected on the stair inclined frame (3), wherein the corner plate (2) is fixedly arranged on the assembly beam (1), the stair inclined frame (3) is arranged between the adjacent corner plates (2), a plurality of stair plates (4) are arranged on the stair inclined frame (3) along the length direction of the stair inclined frame (3), buffer layers (5) are respectively arranged in the stair plates (4) and the corner plates (2), each buffer layer (5) comprises an air cushion (51) arranged at the central part of each stair plate (4) and the central part of each corner plate (2), and a supporting structure (52) is arranged on the periphery of each air cushion (51), each supporting structure (52) is a honeycomb supporting layer, and a supporting framework is arranged in each honeycomb supporting layer, the stair boards (4) comprise stair fixing plates (42) fixedly installed with the stair inclined frames (3), caulking grooves (321) used for containing the buffer layers (5) are formed in the stair fixing plates (42), stair top plates (41) are arranged on the caulking grooves (321), movable connecting mechanisms (6) are arranged between the stair top plates (41) and the stair fixing plates (42), each movable connecting mechanism (6) comprises a fixing hole (61) arranged on one side face of each stair top plate (41) and faces towards the stair fixing plate (42), an elastic fixing piece (62) is arranged in each fixing hole (61), each elastic fixing piece (62) comprises a connecting column (621) and a limiting plate (622) which are integrally arranged, a fixing screw hole (624) for connecting the fixing bolt in a threaded mode is formed in the connecting column (621), and a fixing screw hole (624) is formed in the position of each stair top plate (41) corresponding to the fixing hole (61), and a fixing bolt is detachably arranged in the fixing screw hole (624).
2. A seismic isolation fabricated building staircase as defined in claim 1, wherein: the corner plate (2) comprises a corner fixing plate (21) fixedly connected with the assembly beam (1), a plurality of accommodating grooves (421) used for accommodating the buffer layer (5) are formed in the corner fixing plate (21), a corner top plate (22) is arranged above the corner fixing plate (21), and a plurality of movable connecting mechanisms (6) are also arranged between the corner top plate (22) and the corner fixing plate (21).
3. A seismic isolation fabricated building staircase as defined in claim 2, wherein: the stair oblique frame (3) tip be provided with be used for with connecting plate (34) that corner board (2) are connected, corner fixed plate (21) correspond connecting plate (34) position is provided with spread groove (23), be provided with stopper (24) in spread groove (23), cooperation on connecting plate (34) stopper (24) are provided with spacing groove (35).
4. A vibration-isolated fabricated building staircase as defined in claim 3, wherein: and a transverse buffer piece is arranged on the side wall of the limiting block (24).
5. The construction method of the earthquake-proof assembled building stair according to any one of claim 4, characterized by comprising the following steps:
s1: mounting the assembly beam (1) on a wall body;
s2: fixedly connecting a corner fixing plate (21) to an assembly beam (1), placing a buffer layer (5) in an accommodating groove (421) on the corner fixing plate (21), and connecting a corner top plate (22) with the corner fixing plate (21) through a movable connecting mechanism (6);
s3: erecting the stair inclined frame (3) on the adjacent corner plate (2), enabling the connecting plate (34) to be placed in the connecting groove (23) in a matched mode, and ensuring that the limiting block (24) is inserted into the limiting groove (35);
s4: the stair fixing plate (42) is fixedly connected with the stair inclined frame (3), then the buffer layer (5) is placed in the caulking groove (321) of the stair plate (4), and then the stair top plate (41) is connected with the stair fixing plate (42) through the movable connecting mechanism (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865495.XA CN111980316B (en) | 2020-08-25 | 2020-08-25 | Shock insulation assembly type building stair and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865495.XA CN111980316B (en) | 2020-08-25 | 2020-08-25 | Shock insulation assembly type building stair and construction method |
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| Publication Number | Publication Date |
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| CN111980316A CN111980316A (en) | 2020-11-24 |
| CN111980316B true CN111980316B (en) | 2021-11-16 |
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| CN202010865495.XA Active CN111980316B (en) | 2020-08-25 | 2020-08-25 | Shock insulation assembly type building stair and construction method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113062540B (en) * | 2021-03-24 | 2022-08-26 | 机械工业第九设计研究院股份有限公司 | Be used for shock-resistant building industrialization assembled prefabricated staircase structure |
| CN113235844B (en) * | 2021-04-07 | 2022-08-26 | 江苏嘉平建设工程有限公司 | Shock-absorbing structure of house building |
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