CN111706109A - Commercial building is with widening formula stair - Google Patents
Commercial building is with widening formula stair Download PDFInfo
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- CN111706109A CN111706109A CN202010600612.XA CN202010600612A CN111706109A CN 111706109 A CN111706109 A CN 111706109A CN 202010600612 A CN202010600612 A CN 202010600612A CN 111706109 A CN111706109 A CN 111706109A
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- Prior art keywords
- stair
- widened
- layer
- tread
- widening
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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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0266—Enlarging
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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
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/104—Treads
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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
- E04F11/104—Treads
- E04F11/1041—Treads having means to adjust the height, the depth and/or the slope of the stair steps
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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
- E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
- E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
- E04F2011/021—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass
- E04F2011/0212—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass mainly of concrete
- E04F2011/0214—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of stone or stone like materials, e.g. concrete; mainly of glass mainly of concrete cast in situ
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model provides a business building is with widening formula stair, includes that the stair board of widening of the stair board of having under construction and back construction of upper stair board, lower floor's stair board, elder generation construction has set up on widening the stair board and has widened side footboard subassembly, widens side footboard subassembly and includes support body and one-way damping part, and one-way damping part articulates on the support body. The widened stair tread is fixed in a rib planting fixing mode, so that the widened stair tread forms an independent stress system on the constructed stair tread, the structural strength is high after widening, and the use is reliable. Through the structural design to widening side pedal assembly, can make belt pulley device (suitcase, perambulator, wheelchair) pass through, one-way damping part pushes down and forms the plane for belt pulley device passes through smoothly, passes through the back at belt pulley device, and one-way damping part can overturn the perk again, can block belt pulley device's wheel, avoids the condition of belt pulley device backsliding to appear, improves the security and the smooth and easy degree of widening stair and passing through.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a widened stair for commercial buildings.
Background
In recent years, with rapid urbanization, commercial buildings originally designed according to the needs of cities at that time are increasingly unable to meet the needs of large passenger flows. The prominent performance is that a commercial building (trade building) is built at a transportation junction, and the increase of the passenger flow and the increase of the luggage carried by passengers are factors causing traffic detention of the commercial building.
Disclosure of Invention
In conclusion, how to reliably widen the stairs of the commercial building, so that the stairs can meet the traffic requirement of the large passenger flow, not only can avoid the damage to the original stair structure, but also can be reliably connected with the original structure, coordinate and deform, improve the integrity, and more importantly, the stair is suitable for the traffic of a trunk and a baby carriage, thereby becoming a problem to be solved by technical personnel in the field.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a widened stair for a commercial building, which comprises:
the upper-layer stair plate comprises reserved holes of the upper-layer stair plate, and the upper-layer stair plate is provided with a commercial area;
the lower-layer stair plate is positioned below the upper-layer stair plate, and the lower-layer stair plate is provided with a commercial and trade area;
the constructed stair plates are obliquely arranged, the bottom ends of the constructed stair plates are connected with the lower-layer stair plates, and the top ends of the constructed stair plates are connected with the upper-layer stair plates close to the edges of the reserved holes of the upper-layer stair plates;
the broadening stair boards are arranged in an inclined mode, the inclination of the broadening stair boards is the same as that of the constructed stair boards, and the broadening stair boards are arranged on one side of the constructed stair boards and are fixedly connected with the constructed stair boards;
widen side footboard subassembly, widen side footboard subassembly including two parallel arrangement's support body and set up in two one-way damping part between the support body, the cross section of one-way damping part is fan-shaped, one-way damping part is stock column structure, is provided with the articulated shaft along the both ends of one-way damping part, one-way damping part passes through the articulated shaft is installed in two between the support body, follows the length direction of widening the stair tread, with the direction of widening the directional its high end of low side of stair tread is the positive direction, in the positive direction, be located on one-way damping part the place ahead of articulated shaft is provided with the elasticity reset part, the bottom of elasticity reset part for widen the stair tread fixed set up, be used for with the front end perk of one-way damping part, follow the length direction of widening the stair tread, be provided with a plurality ofly between the support body one-way damping part, it is whole one-way damping part's perk direction of rotation is the same, and widen and form wavy damping ladder face on the stair tread, one-way damping part is rotatable after the pressurized, and its upper flank can with widen the upside face formation parallel structure of stair tread.
Preferably, in the widened staircase for commercial and trade buildings provided by the present invention, the elastic restoring component is a spring, at least two elastic restoring components are arranged on the unidirectional damping component at intervals along the length direction of the unidirectional damping component, one end of the elastic restoring component is fixedly connected with the bottom surface of the unidirectional damping component, the other end of the elastic restoring component is provided with a bottom sheet, and the bottom sheet is fixedly arranged on the upper side surface of the widened staircase boards in an anchoring manner.
Preferably, in the widened staircase for commercial and trade buildings provided by the present invention, the frame body is provided with a hinge hole for hinging the hinge shaft, a fan-shaped limit hole is provided in front of the hinge hole along the length direction of the widened staircase boards and in the positive direction, a limit shaft movable in the limit hole is provided at the end of the unidirectional damping component, and the tilting and downward pressing rotation of the unidirectional damping component can be limited by the cooperation of the limit shaft and the limit hole.
Preferably, in the widened staircase for commercial and trade buildings provided by the invention, the frame body is an L-shaped metal section bar, and is arranged at the long edge of the upper side face of the widened staircase plate in an anchoring manner; the frame body is of an integrated structure.
Preferably, in the widened staircase for commercial and trade buildings provided by the present invention, an upper-layer staircase board connecting beam is arranged on the bottom surface of the upper-layer staircase board and in the forward direction, in front of the front side edge of the reserved hole of the upper-layer staircase board, and the upper-layer staircase board connecting beam is fixedly arranged on the bottom surface of the upper-layer staircase board in a bar planting manner; the widened stair tread is provided with widened stair tread main ribs, the widened stair tread main ribs are arranged along the length direction of the widened stair tread, two ends of the widened stair tread main ribs penetrate through the end faces of the widened stair tread, and one end of each widened stair tread main rib is anchored into the upper-layer stair tread connecting beam.
Preferably, in the widened staircase for commercial and trade buildings provided by the present invention, a lower stair tread connection beam is provided in the lower stair tread, and the other end of the widened stair tread main rib is anchored into the lower stair tread connection beam.
Preferably, in the widened staircase for commercial and trade buildings provided by the present invention, a lower stair plate hole is provided at a position where the lower stair plate is used for connecting with the bottom end of the widened stair plate, and the lower stair plate connecting beam is provided in the lower stair plate hole; the lower-layer stair board connecting beam comprises a lower-layer stair board connecting beam main rib, annular lower-layer stair board connecting beam distribution ribs are arranged around the lower-layer stair board connecting beam main rib, the lower-layer stair board connecting beam distribution ribs are arranged at equal intervals along the length direction of the lower-layer stair board connecting beam main rib, and a lower-layer stair board connecting beam concrete structure is poured outside the lower-layer stair board connecting beam main rib and the lower-layer stair board connecting beam distribution ribs; the other end of the main rib of the widened stair board is anchored in the concrete structure of the lower-layer stair board connecting beam and then fixedly connected with the main rib of the lower-layer stair board connecting beam or the distribution rib of the lower-layer stair board connecting beam.
Preferably, in the widened staircase for commercial and trade buildings provided by the invention, the constructed vertical walls are arranged on two sides of the constructed stair boards, the bottom of the constructed vertical wall is connected with the lower stair board, and the top of the constructed vertical wall is connected with the upper stair board; the side, used for arranging the widened stair step, of the constructed stair step is a widened side, and the widened stair step is fixedly connected with the constructed vertical wall on the widened side in a rib planting mode; and in the vertical direction, the upper-layer stair plate widening holes are formed in the positions, corresponding to the widening stair plates, of the upper-layer stair plates.
Preferably, in the widened staircase for commercial and trade buildings provided by the invention, one side of the widened staircase board is fixedly connected with the embedded steel bars of the constructed vertical face wall, the other side of the widened staircase board is provided with the reinforced vertical face wall, and the reinforced vertical face wall is fixedly connected with the edge of the widened hole of the upper staircase board.
Preferably, in the widened staircase for commercial and trade buildings provided by the invention, a wear-resistant rubber layer is arranged on the upper side surface of the unidirectional damping component, and anti-slip corrugations are arranged on the upper side surface of the wear-resistant rubber layer.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a widened stair for commercial and trade buildings, which comprises an upper-layer stair tread, a lower-layer stair tread, a constructed stair tread constructed firstly and a widened stair tread constructed later, wherein a widened side pedal assembly is arranged on the widened stair tread and comprises a frame body and a one-way damping component, the tilting rotation directions of all the one-way damping components are the same, a wavy damping step surface is formed on the widened stair tread, the one-way damping component can rotate after being pressed, and the upper side surface of the one-way damping component and the upper side surface of the widened stair tread form a parallel structure.
Through the structural design, the widening type stair for the commercial and trade buildings is arranged in a commercial building at a traffic junction, and can widen the constructed walking stair. The invention adopts the mode of fixing the embedded bars to fix the widened stair treads, so that the widened stair treads form an independent stress system on the constructed stair treads, the structure of the constructed stair treads is not required to be damaged, the load bearing capacity is strong, the construction operation is simple, the structural strength after widening is higher, and the use is reliable. In addition, the widened stair tread assembly is arranged on the widened stair tread, the belt wheel devices (a luggage case, a baby carriage and a wheelchair) can pass through the widened stair tread by the aid of structural design of the widened stair tread assembly, the one-way damping parts are pressed downwards to form a plane, so that the belt wheel devices can pass through the plane smoothly, the one-way damping parts can turn over and tilt after the belt wheel devices pass through the plane, wheels of the belt wheel devices can be clamped, the condition that the belt wheel devices slip backwards is avoided, and safety and smoothness of passage of the widened stairs are improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural diagram of a widened staircase for commercial buildings according to an embodiment of the present invention;
FIG. 2 is a simplified schematic illustration of the arrangement of a widened side tread assembly on a widened riser in accordance with an embodiment of the present invention.
Description of reference numerals:
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. The various examples are provided by way of explanation of the invention, and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a widened staircase for commercial buildings according to an embodiment of the present invention; FIG. 2 is a simplified schematic illustration of the arrangement of a widened side tread assembly on a widened riser in accordance with an embodiment of the present invention.
The invention provides a widened stair for commercial buildings, which has the following structure: the floor structure of the underground floor is an upper-layer stair plate 1, and the floor structure of the underground floor is a lower-layer stair plate 2. The upper-layer stair tread 1 and the lower-layer stair tread 2 are both main body structures of commercial buildings. The upper side of the lower stair plate 2 supports the upper stair plate 1 through structural columns, beams and the like. Wherein, lower floor's stair board 2 and upper stair board 1 are the prefabricated plate to, lower floor's stair board 2 and upper stair board 1 are the rectangle plate structure. The invention mainly aims at the structural optimization and improvement of the stairs.
In a constructed commercial building, the stairways and their surrounding structures are as follows: an upper-layer stair plate 1 reserved hole is formed in an upper-layer stair plate 1, then the stair plate is obliquely arranged between the upper-layer stair plate 1 and a lower-layer stair plate 2 according to design requirements, and the reserved hole in the upper-layer stair plate 1 serves as a passage for a pedestrian to walk on a constructed stair plate 3 in a walking mode; constructed vertical walls 9 are vertically provided on both sides (both ends in the length direction, that is, at positions of both long sides of the constructed stair treads 3) of the constructed stair treads 3, for reinforcing the structure among the constructed stair treads 3, the upper-layer stair treads 1 (hole-opening positions), and the lower-layer stair treads 2.
The region that surrounds the stair boards at upper stair board 1 and lower floor stair board 2 is trade area 11, sets up walking passageway along trade area 11 for trade area 11.
The two sides of the constructed stair plates 3 are provided with constructed vertical walls 9, the bottom of each constructed vertical wall 9 is connected with the lower stair plate 2, and the top of each constructed vertical wall 9 is connected with the upper stair plate 1; the side of the constructed stair plate 3 used for arranging the widened stair plate 4 is a widening side, and the widened stair plate 4 is fixedly connected with the constructed vertical wall 9 on the widening side in a rib planting mode.
Specifically, a water blocking ridge with the height of about 15-30cm is arranged on the upper side face of the upper-layer stair plate 1 and at three edges of a reserved hole (rectangular hole) of the upper-layer stair plate 1, and a water blocking ridge is not arranged on the fourth edge of the upper-layer stair plate 1, so that pedestrians can conveniently pass through the water blocking ridge. The side (upper stair plate 1 has certain thickness) that the hole was reserved to upper stair plate 1 has set up upper stair plate 1 and has reserved the reinforcing bar, and upper stair plate 1 facade wall is secondary structure in the commercial building, builds upper stair plate 1, lower floor's stair plate 2, structure post and roof beam etc. earlier promptly, then sets up the stair plate 3 of having been under construction and has been under construction facade wall 9 again.
The upper-layer stair plate 1 is of a concrete structure poured outside the steel bar keel, and the upper-layer stair plate 1 is provided with upper-layer stair plate main ribs and upper-layer stair plate distribution ribs. The constructed vertical wall 9 is also formed by pouring a concrete structure outside a steel bar keel, the constructed vertical wall 9 is provided with constructed vertical wall main reinforcements and constructed vertical wall distribution reinforcements, when the constructed vertical wall 9 is arranged, the reinforcements are firstly bound, then concrete is poured in a vertical mold, after the reinforcement binding is finished, the reinforcements are arranged on the upper-layer stair slabs 1 in a chemical bar planting mode and then bound to the constructed vertical wall main reinforcements or the constructed vertical wall distribution reinforcements, meanwhile, the reinforcements are arranged on the constructed stair slabs 3 in a chemical bar planting mode and then bound to the constructed vertical wall main reinforcements or the constructed vertical wall distribution reinforcements, and then the concrete is poured to form the constructed vertical wall 9. Adopt the mode of planting the muscle will be under construction stair tread 3, the facade wall 9 of having under construction and upper stair tread 1 assemble together, can improve the structural strength of the stair tread 3 of having under construction, improve its bearing capacity.
In order to improve the carrying capacity (passenger flow) of the stairs, when the carrying capacity of the existing stairs cannot meet the passenger flow requirement (the width of the stairs limits the carrying capacity), the constructed stairs need to be widened. The widening operation is as follows:
the method comprises the steps of reserving part of the original constructed vertical wall 9, conducting chiseling treatment on one side, needing to be widened, of the constructed vertical wall 9, then binding reinforcing steel bars (widening main reinforcing steel bars of the stair boards and widening distribution reinforcing steel bars of the stair boards) according to the designed size of the widened stair boards 4, setting reinforcing steel bars on the chiseling surface in a chemical bar planting mode after finishing binding of the reinforcing steel bars of the widened stair boards, binding the reinforcing steel bars to the widened main reinforcing steel bars of the stair boards or the widened distribution reinforcing steel bars of the stair boards, then pouring concrete in a vertical mold, and forming the widened stair boards 4 after drying.
Before the widening of the stair treads 4 is provided, the following operations are required: projecting the widened stair plates 4 onto the upper-layer stair plates 1 in the vertical direction, wherein the projection surface is used as a chiseling surface for chiseling the upper-layer stair plates 1; the constructed facade wall 9 is left with partial widening side, and holes are opened on the facade wall so that personnel on two sides of the facade wall can circulate.
For convenience of description, the constructed stair plates 3 are used as a reference system, the constructed stair plates 3 are rectangular plates, the direction of the long side of each rectangular plate is the length direction, and the constructed stair plates 3 are obliquely arranged and point from the low side to the high side of each rectangular plate is the positive direction.
Specifically, an upper-layer stair plate connecting beam 7 is arranged on the bottom surface of the upper-layer stair plate 1 in the positive direction and in front of the front side edge of a reserved hole of the upper-layer stair plate 1, and the upper-layer stair plate connecting beam 7 is fixedly arranged on the bottom surface of the upper-layer stair plate 1 in a rib planting mode; widen stair board 4 and have and widen stair board main muscle, widen stair board main muscle along the length direction setting of widening stair board 4, the both ends of widening stair board main muscle pass through and widen stair board 4 terminal surfaces, widen in one end anchor of stair board main muscle goes into upper stair board tie-beam 7.
The upper stair plate connecting beam 7 is a secondary structure of a commercial building, and is arranged on the bottom surface of the upper stair plate 1 by adopting a mode of firstly binding steel bar keels and then pouring concrete. The cross section of upper stair tread tie-beam 7 adopts the rectangle structure, upper stair tread tie-beam 7 adopts to lead to long structure, and the both ends of upper stair tread tie-beam 7 are for having under construction stair tread 3 and widening stair tread 4 epitaxy, increase upper stair tread 1 through upper stair tread tie-beam 7 and reserve the hole and chisel out hollow structural strength, increase the intensity that sets up of having under construction stair tread 3 and widening stair tread 4 simultaneously.
For the constructed stair plates 3 and the widened stair plates 4, the construction stair plates 3 are cast in situ, specifically, the constructed stair plates 3 are obliquely arranged, the bottom ends of the constructed stair plates 3 are connected with the lower-layer stair plates 2, and the top ends of the constructed stair plates 3 are connected with the upper-layer stair plates 1 close to the positions of the edges of the reserved holes of the upper-layer stair plates 1; widen the slope setting of stair board 4, widen the gradient of stair board 4 and be the same with the gradient of having been under construction stair board 3, widen stair board 4 set up in one side of having been under construction stair board 3 and with the stair board 3 fixed connection that has been under construction.
Further, be provided with lower floor's stair board tie-beam 8 in lower floor's stair board 2, widen in the other end anchor of stair board main muscle goes into lower floor's stair board tie-beam 8, lower floor's stair board tie-beam 8's effect is for strengthening the stair board 3 that has been under construction and widen the firm degree that stair board 4 set up on lower floor's stair board 2.
Specifically, a lower-layer stair plate hole is formed in the position, used for connecting the bottom end of the widened stair plate 4, of the lower-layer stair plate 2, and a lower-layer stair plate connecting beam 8 is arranged in the lower-layer stair plate hole; the lower-layer stair board connecting beam 8 comprises a lower-layer stair board connecting beam main rib, annular lower-layer stair board connecting beam distribution ribs are arranged around the lower-layer stair board connecting beam main rib, the lower-layer stair board connecting beam distribution ribs are arranged at equal intervals along the length direction of the lower-layer stair board connecting beam main rib, and a lower-layer stair board connecting beam concrete structure is poured outside the lower-layer stair board connecting beam main rib and the lower-layer stair board connecting beam distribution ribs; the other end of the widened main rib of the stair board is anchored into the concrete structure of the connecting beam of the lower stair board and then fixedly connected with the main rib of the connecting beam of the lower stair board or the distributed ribs of the connecting beam of the lower stair board.
Widen stair 4 dry forming back, widen one side of stair 4 and be connected with the anchor of the vertical wall 9 that has been under construction, its opposite side has adopted following structure to consolidate: the upright posts are arranged below the other side of the widened stair tread 4, the reinforcing vertical wall 10 is arranged on the other side of the widened stair tread 4, the upper end of the reinforcing vertical wall 10 is connected with the upper-layer stair tread 1, the lower end of the reinforcing vertical wall 10 can be arranged on the upright posts, the upright post structure can be omitted, and the lower end of the reinforcing vertical wall 10 extends to the lower-layer stair tread 2. The widened stair boards 4 are connected with the reinforced vertical wall 10 in an anchoring mode, and both ends of the widened stair boards 4 are of stressed structures.
After widening stair board 4, need set up on widening stair board 4 and widen side step board assembly, widen the effect of side step board assembly and make things convenient for personnel to pass.
Specifically, the widening side pedal assembly comprises two frame bodies 5 arranged in parallel and a one-way damping part 6 arranged between the two frame bodies 5, the cross section of the one-way damping part 6 is fan-shaped, the one-way damping part 6 is in a long rod-shaped structure, hinge shafts are arranged along two ends of the one-way damping part 6, the one-way damping part 6 is arranged between the two frame bodies 5 through the hinge shafts, an elastic resetting part is arranged above the one-way damping part 6 and in front of the hinge shafts along the length direction of the widening stair tread 4 and in the direction of the lower end of the widening stair tread 4, the bottom end of the elastic resetting part is fixedly arranged relative to the widening stair tread 4 and is used for tilting the front end of the one-way damping part 6, a plurality of one-way damping parts 6 are arranged between the two frame bodies 5 along the length direction of the widening stair tread 4, the tilting and rotating directions of all the one-way damping parts 6 are the same, a wavy damping step surface is formed on the widened stair tread 4, the one-way damping parts 6 can rotate after being pressed, and the upper side surfaces of the one-way damping parts and the upper side surface of the widened stair tread 4 can form a parallel structure.
Specifically, the elastic reset components are springs, at least two elastic reset components are arranged on the one-way damping component 6 at intervals along the length direction of the one-way damping component 6, one end of each elastic reset component is fixedly connected with the bottom surface of the one-way damping component 6, the other end of each elastic reset component is provided with a bottom sheet, and the bottom sheet is fixedly arranged on the upper side surface of the widened stair tread 4 in an anchoring mode.
Specifically, offer on support body 5 and be used for the articulated hinge hole of hinge axis, along widening the length direction of stair tread 4 to in the positive direction, the place ahead that is located the hinge hole is provided with the spacing hole of sectorial, be provided with the spacing axle that can be at spacing downthehole activity in the tip of one-way damping part 6, through the cooperation in spacing axle and spacing hole, can rotate with pushing down to the perk of one-way damping part 6 and carry on spacingly.
Specifically, the frame body 5 is an L-shaped metal section, and the frame body 5 is arranged at the edge of the long edge of the upper side face of the widened stair tread 4 in an anchoring manner; the frame body 5 is an integrated structure.
In the present invention, a wear-resistant rubber layer is provided on the upper surface of the unidirectional damping member 6, and anti-slip dimples are provided on the upper surface of the wear-resistant rubber layer.
The widening side step assembly is an assembly provided on the upper side of the widening stair tread 4, so that the widening stair tread 4 has a function of foot walking. Widen side footboard subassembly including two support bodies 5, support body 5 adopts L shape structural design, specifically, support body 5 is including support body lower floor's stair tread and support body extension board, support body lower floor's stair tread through the inflation screw fixed to widening on stair tread 4, can set up one deck glass steel as the waterproof layer widening stair tread 4's the side of going up, support body lower floor's stair tread passes through the gasket and installs and widen on stair tread 4. The support body extension board is perpendicular for widening the side of going up of stair board 4, has seted up hinge hole and spacing hole on the support body extension board, sets up hinge hole and spacing hole on the support body 5 of establishing respectively widening stair board 4 both sides relatively (the axis of two mating hinge hole or spacing hole is perpendicular with the central line of widening stair board 4 length direction).
After the frame body 5 is arranged, the one-way damping part 6 is arranged on the frame body 5. The one-way damping part 6 is integrally formed by hard plastics, the one-way damping part 6 is of a long rod-shaped structure, the cross section (the cross section perpendicular to the length direction) of the one-way damping part is of a fan-shaped structure, hinged shafts are arranged at the positions, close to sharp corners, of the two ends of the one-way damping part 6, and the hinged shafts are installed at the end parts of the one-way damping part 6 in a threaded connection mode. The one-way damping member 6 is mounted to the hinge holes of the frame support plates by means of hinge shafts so that the one-way damping member 6 can rotate on the frame 5 relative to the widening stair plate 4. Set up elasticity reset device in the downside of one-way damping part 6, elasticity reset device's effect does: the tilting height of the one-way damping component 6 on the frame body 5 relative to the widened stair tread 4 is limited, meanwhile, elastic damping force can be provided for the downward pressing of the one-way damping component 6, and in addition, the widened stair tread 4 can have a resetting trend after being pressed downward. The end part of the one-way damping part 6 is also provided with a limiting shaft, and the limiting shaft is arranged at the end part of the one-way damping part 6 in a bolt connection mode. Be provided with spacing hole on the support body extension board, spacing axle can be at spacing downthehole activity, and spacing axle is at the spacing downthehole activity limit of downthehole tilting degree and the degree of pushing down of one-way damping part 6 of restriction.
In the invention, the elastic reset part is a spring, and at least two elastic reset parts are arranged in the length direction of the one-way damping part 6, so that the stress of the one-way damping part 6 is relatively balanced, and the pressing or overturning and tilting motion of the one-way damping part 6 is stably carried out. The spring setting is widening between stair board 4 and the one-way damping part 6, under the normality, one-way damping part 6 is upset perk state under the spring action power, pass through or suitcase at the pedestrian, the perambulator, can be pushed down when wheelchair etc. passes through, guarantee the patency of passing through, especially to the suitcase, the perambulator, the wheelchair, it passes through the back, one-way damping part 6 can also overturn the perk with the suitcase, the perambulator, the wheel of wheelchair blocks, avoid the suitcase, the perambulator, the condition that the wheelchair was slided backward appears.
The invention provides a widening type stair for commercial and trade buildings, which is arranged in a commercial building and can widen a constructed walking stair. The widened stair boards 4 are fixed in a rib-planting fixing mode, so that the widened stair boards 4 form an independent stress system on the constructed stair boards 3, the constructed stair board structure does not need to be damaged, the load bearing capacity is high, the construction operation is simple, the structural strength after widening is high, and the use is reliable. In addition, the widened side pedal assembly is arranged on the widened stair board 4, the belt wheel device (a luggage case, a baby carriage and a wheelchair) can pass through the widened side pedal assembly through the structural design of the widened side pedal assembly, the one-way damping component 6 is pressed downwards to form a plane, so that the belt wheel device can pass through the plane smoothly, the one-way damping component 6 can turn over and tilt after the belt wheel device passes through the plane, the wheels of the belt wheel device can be clamped, the condition that the belt wheel device slips backwards is avoided, and the safety and the smoothness of the passage of the widened stairs are improved.
The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a trade building is with widening formula stair which characterized in that includes:
the system comprises an upper-layer stair plate (1), wherein the upper-layer stair plate comprises reserved holes of the upper-layer stair plate, and the upper-layer stair plate is provided with a commercial area (11);
the lower-layer stair plate (2) is positioned below the upper-layer stair plate, and a commercial area is arranged on the lower-layer stair plate;
the constructed stair plates (3) are obliquely arranged, the bottom ends of the constructed stair plates are connected with the lower stair plates, and the top ends of the constructed stair plates are connected with the upper stair plates close to the edges of the reserved holes of the upper stair plates;
a widening stair tread (4), wherein the widening stair tread is obliquely arranged, the inclination of the widening stair tread is the same as that of the constructed stair tread, and the widening stair tread is arranged on one side of the constructed stair tread and is fixedly connected with the constructed stair tread;
widen side footboard subassembly, widen side footboard subassembly include two parallel arrangement's support body and set up in two one-way damping part (6) between support body (5), one-way damping part's cross section is fan-shaped, one-way damping part is long rod-shaped structure, is provided with the articulated shaft along the both ends of one-way damping part, one-way damping part passes through the articulated shaft is installed between two the support body, follows widen the length direction of stair tread, with the direction of widening the low side of stair tread to its high end is the positive direction, in the positive direction, be provided with the elasticity reset block on one-way damping part and in the place ahead of articulated shaft, the bottom of elasticity reset block for widen the stair tread fixed set up, be used for with the front end perk of one-way damping part, follow widen the length direction of stair tread, be provided with a plurality ofly between the support body one-way damping part, it is whole one-way damping part's perk direction of rotation is the same, and widen and form wavy damping ladder face on the stair tread, one-way damping part is rotatable after the pressurized, and its upper flank can with widen the upside face formation parallel structure of stair tread.
2. The widened stairway for commercial buildings according to claim 1, wherein,
the elastic reset component is a spring, at least two elastic reset components are arranged on the one-way damping component at intervals along the length direction of the one-way damping component, one end of each elastic reset component is fixedly connected with the bottom surface of the one-way damping component, the other end of each elastic reset component is provided with a bottom sheet, and the bottom sheets are fixedly arranged on the upper side surface of the widened stair tread in an anchoring mode.
3. The widened stairway for commercial buildings according to claim 1, wherein,
in offer on the support body and be used for articulated hinge hole of hinge shaft follows widen the length direction of stair board, and in the positive direction, be located the place ahead of hinge hole is provided with sectorial spacing hole, in the tip of one-way damping part is provided with can spacing axle of spacing downthehole activity, through spacing axle with the cooperation in spacing hole, can be right the perk of one-way damping part rotates with pushing down and carries on spacingly.
4. The widened stairway for commercial buildings according to claim 1, wherein,
the frame body is an L-shaped metal section, and is arranged at the edge of the long edge of the upper side face of the widened stair tread in an anchoring mode;
the frame body is of an integrated structure.
5. The widened stairway for commercial buildings according to claim 1, wherein,
an upper-layer stair plate connecting beam (7) is arranged on the bottom surface of the upper-layer stair plate in the positive direction and in front of the front side edge of the reserved hole of the upper-layer stair plate, and the upper-layer stair plate connecting beam is fixedly arranged on the bottom surface of the upper-layer stair plate in a rib planting mode;
the widened stair tread is provided with widened stair tread main ribs, the widened stair tread main ribs are arranged along the length direction of the widened stair tread, two ends of the widened stair tread main ribs penetrate through the end faces of the widened stair tread, and one end of each widened stair tread main rib is anchored into the upper-layer stair tread connecting beam.
6. The widened stairway for commercial and trade buildings according to claim 5, wherein,
and a lower-layer stair plate connecting beam (8) is arranged in the lower-layer stair plate, and the other end of the widened stair plate main rib is anchored into the lower-layer stair plate connecting beam.
7. The widened stairway for commercial and trade buildings according to claim 6, wherein,
a lower-layer stair plate hole is formed in the position, where the lower-layer stair plate is used for being connected with the bottom end of the widened stair plate, and a lower-layer stair plate connecting beam is arranged in the lower-layer stair plate hole;
the lower-layer stair board connecting beam comprises a lower-layer stair board connecting beam main rib, annular lower-layer stair board connecting beam distribution ribs are arranged around the lower-layer stair board connecting beam main rib, the lower-layer stair board connecting beam distribution ribs are arranged at equal intervals along the length direction of the lower-layer stair board connecting beam main rib, and a lower-layer stair board connecting beam concrete structure is poured outside the lower-layer stair board connecting beam main rib and the lower-layer stair board connecting beam distribution ribs;
the other end of the main rib of the widened stair board is anchored in the concrete structure of the lower-layer stair board connecting beam and then fixedly connected with the main rib of the lower-layer stair board connecting beam or the distribution rib of the lower-layer stair board connecting beam.
8. The widened stairway for commercial buildings according to claim 1, wherein,
the two sides of the constructed stair boards are provided with constructed vertical walls (9), the bottoms of the constructed vertical walls are connected with the lower stair boards, and the tops of the constructed vertical walls are connected with the upper stair boards;
the side, used for arranging the widened stair step, of the constructed stair step is a widened side, and the widened stair step is fixedly connected with the constructed vertical wall on the widened side in a rib planting mode;
and in the vertical direction, the upper-layer stair plate widening holes are formed in the positions, corresponding to the widening stair plates, of the upper-layer stair plates.
9. The widened stairway for commercial and trade buildings according to claim 8,
one side of the widened stair board is fixedly connected with the embedded steel bars of the constructed vertical wall, the other side of the widened stair board is provided with a reinforced vertical wall (10), and the reinforced vertical wall is fixedly connected with the edge of the widened hole of the upper-layer stair board.
10. The widened stairway for commercial and trade buildings according to any one of claims 1 to 9, wherein,
and a wear-resistant rubber layer is arranged on the upper side surface of the one-way damping component, and anti-skid corrugations are arranged on the upper side surface of the wear-resistant rubber layer.
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