CN110593500B - Safe and firm assembled earthquake-resistant stair - Google Patents
Safe and firm assembled earthquake-resistant stair Download PDFInfo
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- CN110593500B CN110593500B CN201910923424.8A CN201910923424A CN110593500B CN 110593500 B CN110593500 B CN 110593500B CN 201910923424 A CN201910923424 A CN 201910923424A CN 110593500 B CN110593500 B CN 110593500B
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- stair
- seismic
- frame
- floor slab
- connecting frame
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- 230000003014 reinforcing effect Effects 0.000 claims description 40
- 230000000670 limiting effect Effects 0.000 claims description 28
- 238000009434 installation Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000000703 anti-shock Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Classifications
-
- 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
-
- 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
-
- 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
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
- E04F11/035—Stairways consisting of a plurality of assembled modular parts without further support
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention discloses a safe and firm assembled anti-seismic stair, and belongs to the technical field of assembled stairs. A safe and firm assembled anti-seismic stair comprises a floor slab and stair boards, wherein the floor slab is provided with a mounting groove, the top end of each stair board is connected to the mounting groove, an anti-seismic connecting device is mounted between the floor slab and the stair boards, the top surfaces of the stair boards are provided with through holes, fixed locking devices are arranged below the through holes, the fixed locking devices are embedded in the mounting groove of the floor slab, locking rods are connected inside the through holes, and the bottom ends of the locking rods are matched with the fixed locking devices; the stair effectively solves the problem that the fixed installation mode of the existing designed stair is too simple and cannot meet the requirements of people on the structural strength, stability and shock resistance of the stair.
Description
Technical Field
The invention relates to the technical field of assembled staircases, in particular to a safe and firm assembled earthquake-resistant stair.
Background
The stairs are main transportation means between floors of a building, the stairs also need to be arranged in a high-rise building provided with an elevator, and people generally select the stairs as main escape passages when an earthquake occurs; when earthquake or other reasons cause the building to shake, the stair can receive the extrusion of many directions, not only has horizontal force, still has vertical force, and the stair itself is connected together with the whole frame of house, can't remove, if it receives the effect of strong extrusion force, and the final result is just broken, therefore, current stair generally can be more fragile than the building itself, breaks more easily to the building collapses earlier than.
In the design of the traditional fabricated stairway, steel bars are reserved on a floor surface, holes are reserved on fabricated stairway components, and mortar is poured into the holes for stabilization through butt joint of the reserved steel bars and the reserved holes; however, the installation mode is too simple, the requirements of people in real life on high strength, high stability and strong earthquake resistance of the building stair cannot be met, and in order to solve the problems, it is very necessary to design a safe and firm assembled earthquake-resistant stair.
Disclosure of Invention
Compared with the existing design, the assembled anti-seismic stair can more stably and firmly connect the stair plates to the building floor, and meanwhile, the anti-seismic connecting device is arranged between the floor and the stair plates, so that the anti-seismic capacity of the device body is better ensured.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a safe firm assembled antidetonation stair, includes floor and stair board, be provided with the mounting groove on the floor, the top of stair board is connected on the mounting groove, install antidetonation connecting device between floor and the stair board, be provided with the through hole on the top surface of stair board, the below of through hole is provided with fixed locking device, fixed locking device embedding is installed in the mounting groove of floor, the inside check lock lever that still is connected with of through hole, the bottom and the fixed locking device phase-match of check lock lever.
Preferably, the anti-seismic connecting device comprises a connecting shaft, the connecting shaft is connected with an anti-seismic connecting mechanism and a reinforcing mechanism, the anti-seismic connecting mechanism is further connected with the floor slab and the stair tread respectively, and the reinforcing mechanism is matched with the floor slab.
Preferably, the anti-seismic connecting mechanism comprises a first connecting frame and a second connecting frame, the first connecting frame and the second connecting frame are rotatably connected to the connecting shaft, and rubber anti-seismic pads are fixedly connected to one surfaces, close to the floor slab and the stair tread, of the first connecting frame and the second connecting frame.
Preferably, the anti-seismic connecting device further comprises a first connecting bolt, a second connecting bolt and a second anti-seismic spring, the first connecting frame and the second connecting frame are connected with a fixed plate, the first connecting frame, the second connecting frame, the rubber anti-seismic pad and the fixed plate are all provided with connecting holes, the first connecting bolt penetrates through the fixed plate, the first connecting frame and the rubber anti-seismic pad and is spirally connected into a threaded hole in the side wall of the floor slab, and the second connecting bolt penetrates through the fixed plate, the second connecting frame and the rubber anti-seismic pad and is spirally connected into a threaded hole in the bottom surface of the floor slab; a first anti-seismic spring is further arranged between the first connecting frame and the fixing plate, and between the second connecting frame and the fixing plate, and the first anti-seismic spring is sleeved on the first connecting bolt and the second connecting bolt; the second anti-seismic spring is arranged between the two fixing plates, and two ends of the second anti-seismic spring are fixedly connected with the first connecting frame and the second connecting frame respectively.
Preferably, the reinforcing mechanism comprises a reinforcing frame, the reinforcing frame is rotatably connected to the connecting shaft, gaps are formed in the reinforcing frame, torsion springs are arranged among the gaps, the torsion springs are connected to the connecting shaft in a sleeved mode, one ends of the torsion springs are fixedly connected with the reinforcing frame, and the other ends of the torsion springs are fixedly connected to the outer shaft surface of the connecting shaft; one end of the reinforcing frame, which is far away from the connecting shaft, is fixedly connected with a limiting block, a limiting groove is formed in the bottom surface of the floor slab, and the limiting block is matched with the limiting groove; the limiting block is also rotatably connected with an auxiliary roller.
Preferably, the check lock is including the body of rod, the top fixedly connected with pole cap of the body of rod, the bottom of the body of rod sets up the screw thread layer, fixed locking device is including fixed pipe, fixed pipe and floor fixed connection, the lower extreme of fixed pipe is provided with spacing activity chamber, spacing activity intracavity portion sliding connection has lock nut, lock nut and check lock phase-match, the check lock passes through the screw thread layer and the lock nut screwed connection of bottom.
Compared with the prior art, the invention provides a safe and firm assembled earthquake-proof stair, which has the following beneficial effects:
(1) the invention installs the anti-seismic connecting device between the stair tread and the floor slab, the anti-seismic connecting device comprises a first connecting frame and a second connecting frame, when in use, the upper end of the stair tread is firstly installed in the installation groove of the floor slab, then the connecting holes of the first connecting frame and the second connecting frame are respectively aligned with the threaded holes on the floor slab and the stair tread, then the first connecting bolt and the second connecting bolt pass through the fixing plate and the first anti-seismic spring and are finally spirally connected with the threaded holes, when the building or the stair shakes, the first anti-seismic spring can effectively absorb certain shake, and the stability and the firmness of the anti-seismic connecting device are better ensured, besides, the invention also connects a rubber anti-seismic cushion and a second anti-seismic spring on the first connecting frame and the second connecting frame, and utilizes the rubber anti-seismic cushion and the second anti-seismic spring, the shock resistance of the device body can be better improved.
(2) The anti-seismic connecting device of the invention also comprises a reinforcing mechanism, when in use, when the stair tread is connected with the floor slab, the upper part of the stair tread can be tightly connected with the mounting groove of the floor slab due to gravity, the reinforcing frame of the reinforcing mechanism arranged below the stair boards can rotate a certain angle on the connecting shaft due to the blockage of the floor, the auxiliary roller wheels are rotatably arranged on the limiting blocks of the reinforcing frame, so that the stair boards can be more easily spliced with the floor slab, when the stair board is pushed to the extent that the stair board can not be pushed any more, the limit block of the reinforcing frame is just at the position of the limit groove preset on the bottom surface of the floor slab, and the reinforcing frame can drive the reinforcing frame to rotate backwards due to the restoring force of the torsion spring, thereby make the stopper card at the spacing inslot to can be so that be connected between stair board and the floor more firmly inseparable.
(3) When the locking device is used, the position between the stair plates and the floor is adjusted, the locking rod is inserted into the fixing pipe of the fixing locking device through the through hole in the stair plates until the locking rod is in contact with the locking nut arranged at the lower end of the fixing pipe, the rod body of the locking rod is rotated at the moment, so that the rod body and the locking nut are in threaded connection, due to the limiting effect of the limiting movable cavity of the fixing pipe on the locking nut, the locking nut only can move up and down and cannot rotate, the locking nut can slowly move upwards by continuing to rotate the locking rod, and finally, the stair plates and the floor can be stably and firmly connected together in the vertical direction through the matching with the locking rod.
Drawings
FIG. 1 is a schematic structural view of a safe and secure fabricated earthquake-resistant staircase according to the present invention;
FIG. 2 is a schematic view of an exploded structure of the inside of a safe and firm assembled earthquake-proof stair installation shell provided by the invention;
FIG. 3 is a schematic structural view of an earthquake-proof connection device of a safe and firm assembled earthquake-proof staircase according to the present invention;
FIG. 4 is a schematic structural view of an earthquake-proof connection mechanism of a safe and firm assembled earthquake-proof staircase according to the present invention;
FIG. 5 is an exploded view of the anti-seismic connecting mechanism of the assembled anti-seismic stairway according to the present invention;
FIG. 6 is a schematic structural diagram of a reinforcement mechanism of a safe and firm fabricated earthquake-proof staircase according to the present invention;
fig. 7 is a schematic structural view of a locking rod and a fixed locking device of a safe and firm assembled earthquake-proof staircase according to the present invention.
Description of the figure numbers:
1. a floor slab; 2. a stair tread; 3. a seismic connection device; 301. a connecting shaft; 302. an anti-seismic connecting mechanism; 3021. a first connecting frame; 3022. a second link frame; 3023. a rubber anti-shock pad; 3024. a fixing plate; 3025. a first connecting bolt; 3026. a second connecting bolt; 3027. a first anti-seismic spring; 3028. a second shock absorbing spring; 303. a reinforcement mechanism; 3031. a reinforcing frame; 3032. a void; 3033. a torsion spring; 3034. a limiting block; 3035. an auxiliary roller; 4. a through hole; 5. a locking lever; 501. a rod body; 502. a rod cap; 503. a threaded layer; 6. mounting grooves; 7. fixing the locking device; 701. a fixed tube; 702. a limiting movable cavity; 703. and locking the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-5, a safe and firm fabricated earthquake-proof stair comprises a floor slab 1 and stair treads 2, wherein the floor slab 1 is provided with a mounting groove 6, the top end of the stair treads 2 is connected to the mounting groove 6, an earthquake-proof connecting device 3 is arranged between the floor slab 1 and the stair treads 2, the top surface of the stair treads 2 is provided with a through hole 4, a fixed locking device 7 is arranged below the through hole 4, the fixed locking device 7 is embedded in the mounting groove 6 of the floor slab 1, a locking rod 5 is further connected inside the through hole 4, and the bottom end of the locking rod 5 is matched with the fixed locking device 7.
The anti-seismic connecting device 3 comprises a connecting shaft 301, an anti-seismic connecting mechanism 302 and a reinforcing mechanism 303 are connected to the connecting shaft 301, the anti-seismic connecting mechanism 302 is further connected with the floor slab 1 and the stair board 2 respectively, and the reinforcing mechanism 303 is matched with the floor slab 1.
The anti-seismic connecting mechanism 302 comprises a first connecting frame 3021 and a second connecting frame 3022, the first connecting frame 3021 and the second connecting frame 3022 are both rotatably connected to the connecting shaft 301, and rubber anti-seismic pads 3023 are fixedly connected to the first connecting frame 3021 and the second connecting frame 3022 on the surfaces close to the floor slab 1 and the stair tread 2.
The earthquake-proof connecting device 3 further comprises a first connecting bolt 3025, a second connecting bolt 3026 and a second earthquake-proof spring 3028, the first connecting frame 3021 and the second connecting frame 3022 are connected with a fixed plate 3024, the first connecting frame 3021, the second connecting frame 3022, the rubber earthquake-proof pad 3023 and the fixed plate 3024 are all provided with connecting holes, the first connecting bolt 3025 penetrates through the fixed plate 3024, the first connecting frame 3021 and the rubber earthquake-proof pad 3023 and is spirally connected in a threaded hole on the side wall of the floor slab 1, and the second connecting bolt 3026 penetrates through the fixed plate 3024, the second connecting frame 3022 and the rubber earthquake-proof pad 3023 and is spirally connected in a threaded hole on the bottom surface of the stair slab 2; a first anti-seismic spring 3027 is further arranged between the first connecting frame 3021 and the second connecting frame 3022 and the fixing plate 3024, and the first anti-seismic spring 3027 is sleeved on the first connecting bolt 3025 and the second connecting bolt 3026; the second anti-vibration spring 3028 is disposed between the two fixing plates 3024, and both ends of the second anti-vibration spring 3028 are fixedly connected to the first connecting frame 3021 and the second connecting frame 3022, respectively.
The invention installs the earthquake-proof connecting device 3 between the stair tread 2 and the floor 1, the earthquake-proof connecting device 3 includes the first connecting rack 3021 and the second connecting rack 3022, when in use, the upper end of the stair tread 2 is installed in the installing groove 6 of the floor 1, then the connecting holes of the first connecting rack 3021 and the second connecting rack 3022 are aligned with the screw holes of the floor 1 and the stair tread 2, then the first connecting bolt 3025 and the second connecting bolt 3026 are passed through the fixing plate 3024 and the first earthquake-proof spring 3027 and finally are connected with the screw holes in a spiral way, through the arrangement of the first earthquake-proof spring 3027, when the building or the stair shakes, the first earthquake-proof spring 3027 can effectively absorb certain shake, better guarantee the stability and the firmness of the earthquake-proof connecting device 3, besides, the invention also connects the rubber earthquake-proof pad 3023 and the second earthquake-proof spring 3028 on the first connecting rack 3021 and the second connecting rack 3022, by using the rubber anti-shock pad 3023 and the second anti-shock spring 3028, the anti-shock capability of the device body can be improved.
Example 2:
referring to fig. 6, the embodiment 1 is different from the above embodiments;
the reinforcing mechanism 303 comprises a reinforcing frame 3031, the reinforcing frame 3031 is rotatably connected to the connecting shaft 301, gaps 3032 are arranged on the reinforcing frame 3031, a torsion spring 3033 is arranged between the gaps 3032, the torsion spring 3033 is sleeved on the connecting shaft 301, one end of the torsion spring 3033 is fixedly connected with the reinforcing frame 3031, and the other end of the torsion spring 3033 is fixedly connected to the outer shaft surface of the connecting shaft 301; one end, far away from the connecting shaft 301, of the reinforcing frame 3031 is fixedly connected with a limiting block 3034, a limiting groove is formed in the bottom surface of the floor slab 1, and the limiting block 3034 is matched with the limiting groove; the limiting block 3034 is further rotatably connected with an auxiliary roller 3035.
The anti-seismic connecting device 3 of the invention also comprises a reinforcing mechanism 303, when in use, when the stair boards 2 are connected with the floor slab 1, the upper parts of the stair boards 2 can be tightly connected with the mounting groove 6 of the floor slab 1 due to gravity, the reinforcing frame 3031 of the reinforcing mechanism 303 arranged below the stair boards 2 can enable the reinforcing frame 3031 to rotate a certain angle on the connecting shaft 301 due to the blocking of the floor slab 1, the auxiliary roller 3035 is rotatably arranged on the limiting block 3034 of the reinforcing frame 3031, the splicing work of the stair boards 2 and the floor slab 1 can be more easily completed, when the stair boards 2 are pushed to be incapable of being pushed any longer, the limiting block 3034 of the reinforcing frame 3031 is just at the limiting groove preset on the bottom surface of the floor slab 1, and the reinforcing frame 3031 can enable the reinforcing frame 3031 to rotate towards the direction due to the restoring force of the torsion spring 3033, so that the limiting block 3034 is clamped in the limiting groove, so that the connection between the stair boards 2 and the floor slabs 1 can be firmer and tighter.
Example 3:
referring to fig. 7; the difference is based on embodiment 1 or 2;
locking lever 5 is including the body of rod 501, the top fixedly connected with pole cap 502 of the body of rod 501, the bottom of the body of rod 501 sets up screw thread layer 503, fixed locking device 7 is including fixed pipe 701, fixed pipe 701 and floor 1 fixed connection, the lower extreme of fixed pipe 701 is provided with spacing activity chamber 702, the inside sliding connection in spacing activity chamber 702 has lock nut 703, lock nut 703 and locking lever 5 phase-match, locking lever 5 is through the screw thread layer 503 and the lock nut 703 threaded connection of bottom.
In the invention, a fixed locking device 7 is fixedly connected in the installation groove 6 of the floor slab 1, when in use, firstly, the position between the stair tread 2 and the floor slab 1 is well adjusted, then the locking rod 5 is inserted into the fixed pipe 701 of the fixed locking device 7 through the through hole 4 on the stair tread 2 until the locking rod contacts with the locking nut 703 arranged at the lower end of the fixed pipe 701, at the moment, the rod body 501 of the locking rod 5 is rotated, so that the rod body 501 and the locking nut 703 are spirally connected together, because the limiting movable cavity 702 of the fixed pipe 701 has a limiting effect on the locking nut 703, the locking nut 703 can only move up and down without rotating, the locking rod 5 is rotated continuously, the locking nut 703 can slowly move up, and finally, the stair tread 2 and the floor slab 1 can be stably and firmly connected together in the vertical direction through the matching with the locking rod 5.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (3)
1. The utility model provides a safe firm assembled antidetonation stair, includes floor (1) and stair board (2), its characterized in that: the anti-seismic floor slab is characterized in that a mounting groove (6) is formed in the floor slab (1), the top end of the stair plate (2) is connected to the mounting groove (6), an anti-seismic connecting device (3) is mounted between the floor slab (1) and the stair plate (2), a through hole (4) is formed in the top surface of the stair plate (2), a fixing and locking device (7) is arranged below the through hole (4), the fixing and locking device (7) is embedded in the mounting groove (6) of the floor slab (1), a locking rod (5) is further connected inside the through hole (4), and the bottom end of the locking rod (5) is matched with the fixing and locking device (7); the anti-seismic connecting device (3) comprises a connecting shaft (301), an anti-seismic connecting mechanism (302) and a reinforcing mechanism (303) are connected to the connecting shaft (301), the anti-seismic connecting mechanism (302) is further connected with the floor slab (1) and the stair plates (2) respectively, and the reinforcing mechanism (303) is matched with the floor slab (1);
the anti-seismic connecting mechanism (302) comprises a first connecting frame (3021) and a second connecting frame (3022), the first connecting frame (3021) and the second connecting frame (3022) are rotatably connected to the connecting shaft (301), and rubber anti-seismic pads (3023) are fixedly connected to one surfaces, close to the floor (1) and the stair tread (2), of the first connecting frame (3021) and the second connecting frame (3022); the reinforcing mechanism (303) comprises a reinforcing frame (3031), the reinforcing frame (3031) is rotatably connected to the connecting shaft (301), a gap (3032) is formed in the reinforcing frame (3031), a torsion spring (3033) is arranged in the gap (3032), the torsion spring (3033) is sleeved on the connecting shaft (301), one end of the torsion spring (3033) is fixedly connected with the reinforcing frame (3031), and the other end of the torsion spring is fixedly connected to the outer shaft surface of the connecting shaft (301); one end, far away from the connecting shaft (301), of the reinforcing frame (3031) is fixedly connected with a limiting block (3034), a limiting groove is formed in the bottom surface of the floor slab (1), and the limiting block (3034) is matched with the limiting groove; the limiting block (3034) is also rotatably connected with an auxiliary roller (3035).
2. A safe and secure fabricated earthquake-resistant staircase according to claim 1, characterized in that: the anti-seismic connecting device (3) further comprises a first connecting bolt (3025), a second connecting bolt (3026) and a second anti-seismic spring (3028), wherein a fixed plate (3024) is connected to the first connecting frame (3021) and the second connecting frame (3022), connecting holes are formed in the first connecting frame (3021), the second connecting frame (3022), the rubber anti-seismic pad (3023) and the fixed plate (3024), the first connecting bolt (3025) penetrates through the fixed plate (3024), the first connecting frame (3021) and the rubber anti-seismic pad (3023) and is spirally connected into a threaded hole in the side wall of the floor slab (1), and the second connecting bolt (3026) penetrates through the fixed plate (3024), the second connecting frame (3022) and the rubber anti-seismic pad (3023) and is spirally connected into a threaded hole in the bottom surface of the stair slab (2); a first anti-seismic spring (3027) is further arranged between the first connecting frame (3021) and the fixing plate (3024) and between the second connecting frame (3022) and the fixing plate (3024), and the first anti-seismic spring (3027) is sleeved on the first connecting bolt (3025) and the second connecting bolt (3026); the second anti-vibration spring (3028) is arranged between the two fixing plates (3024), and two ends of the second anti-vibration spring (3028) are fixedly connected with the first connecting frame (3021) and the second connecting frame (3022) respectively.
3. A safe and secure fabricated earthquake-resistant staircase according to claim 1, characterized in that: locking lever (5) are including the body of rod (501), the top fixedly connected with pole cap (502) of the body of rod (501), the bottom of the body of rod (501) sets up screw thread layer (503), fixed locking device (7) are including fixed pipe (701), fixed pipe (701) and floor (1) fixed connection, the lower extreme of fixed pipe (701) is provided with spacing movable chamber (702), the inside sliding connection in spacing movable chamber (702) has lock nut (703), lock nut (703) and locking lever (5) phase-match, locking lever (5) are through screw thread layer (503) and lock nut (703) threaded connection of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910923424.8A CN110593500B (en) | 2019-09-27 | 2019-09-27 | Safe and firm assembled earthquake-resistant stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910923424.8A CN110593500B (en) | 2019-09-27 | 2019-09-27 | Safe and firm assembled earthquake-resistant stair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110593500A CN110593500A (en) | 2019-12-20 |
| CN110593500B true CN110593500B (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910923424.8A Expired - Fee Related CN110593500B (en) | 2019-09-27 | 2019-09-27 | Safe and firm assembled earthquake-resistant stair |
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| CN (1) | CN110593500B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111535529B (en) * | 2020-05-11 | 2021-07-16 | 中力建设集团有限公司 | Assembled stair and construction process thereof |
| CN111535530B (en) * | 2020-05-22 | 2021-06-01 | 浙江鼎兴建设有限公司 | Assembled stair |
| CN111622436B (en) * | 2020-05-30 | 2021-06-29 | 河北中铁沧盐建筑科技有限公司 | Prefabricated staircase and installation process thereof |
| CN112095940B (en) * | 2020-07-28 | 2022-02-25 | 浙江鸿翔远大建筑科技有限公司 | Earthquake-resistant prefabricated staircase structure |
| CN112376575A (en) * | 2020-11-07 | 2021-02-19 | 长沙理工大学 | Slope supporting structure for excavation of pier foundation pit of steep slope section |
| CN112962884A (en) * | 2021-02-07 | 2021-06-15 | 浙江富成建设集团有限公司 | Fabricated stair structure and construction method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3146567C2 (en) * | 1981-11-24 | 1994-07-07 | Neucon Masch Bausystem | Stair bolt connection |
| JP2004263369A (en) * | 2003-02-05 | 2004-09-24 | Nippon Eisei Center:Kk | Aseismatic reinforcing fitting |
| CN106121144B (en) * | 2016-07-04 | 2018-05-15 | 河北工业大学 | A kind of spacing bearing of concrete staircase damping |
| CN206752892U (en) * | 2017-04-12 | 2017-12-15 | 崔赢 | A kind of prefabricated shock insulation staircase structure |
| CN208633405U (en) * | 2018-05-18 | 2019-03-22 | 张�浩 | Novel shock insulation stair |
| CN110107038B (en) * | 2019-04-18 | 2020-12-08 | 江苏广兴集团建筑装配科技有限公司 | Anti-seismic concrete prefabricated staircase |
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2019
- 2019-09-27 CN CN201910923424.8A patent/CN110593500B/en not_active Expired - Fee Related
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| CN110593500A (en) | 2019-12-20 |
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