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457results about "Stairways" patented technology

Modular stairwell and elevator shaft system and method

A prefabricated modular stairwell and elevator shaft system is described. The system can include an end panel, a first side panel, a second elevator shaft panel, a second side panel, and a first elevator shaft panel. The prefabricated modular stairwell and elevator shaft system can also include stairwell components (including one or more treads, one or more landings, and one or more handrails), one or more counterweight rails, one or more counterweight brackets, a stairwell door, and a stairwell door frame.
Owner:INNOVATIVE BUILDING TECHNOLOGIES LLC

Spatial three-dimensional suspended corridor and optimization method therefor

Disclosed in the present invention is a spatial three-dimensional suspended corridor, comprising a suspended corridor that connects indoor floor passageways, wherein diagrid columns are provided on all edge portions of the indoor floor passageways; the suspended corridor comprises several fixed segments and several bridge deck segments from bottom to top; and the fixed segments or corner segments are all connected to the corresponding bridge deck segments by means of node connecting components. In the present invention, by means of some implementable tests and on the basis of having a preliminary understanding of the stress performance of a corridor structure, a corridor simulation model is also established, parameters of the model are continuously optimized for repeated debugging, preliminary stress performance calculations are then performed and compared with results of some previously conducted tests, and if results are quite similar to the test results, this proves that the model is relatively optimal, that is, an optimized model is obtained, and then this model is used to analyze other more complex performances of the corridor. The optimization objective of the present invention is to make the structure and stress of an aerial corridor safer, more reliable and more comfortable.
Owner:2ND CONSTR CO LTD OF CHINA CONSTR 5TH ENG BUREAU

Garden landscape pavilion

The utility model discloses a garden landscape pavilion, which relates to the technical field of gardens, and comprises a pavilion seat, the upper surface of the pavilion seat is fixedly connected with four pavilion columns, a pavilion top, a protection mechanism and two seat plates are arranged above the pavilion seat, the pavilion top and the seat plates are fixedly connected with the pavilion columns, the protection mechanism comprises two servo motors fixedly connected with the pavilion columns, and the servo motors are fixedly connected with the pavilion columns. The output shaft ends of the two servo motors are fixedly connected with protection assemblies rotationally connected with the pavilion columns. According to the landscape pavilion, the pavilion base, the pavilion columns, the pavilion top and the protection mechanism are arranged in a matched mode, when tourists play in a garden and encounter rainy days, rainwater can be shielded through the extensible protection assembly, the rainwater is prevented from floating into the landscape pavilion, and therefore the tourists leaning on the pavilion columns in the landscape pavilion are prevented from being affected; and meanwhile, the protection assembly can be limited, the possibility that the protection assembly is blown and shaken is reduced, and therefore the rain and wind shielding effect of the garden landscape pavilion is guaranteed, and the playing comfort of tourists is improved.
Owner:秦阳东

Ecological retaining wall building block convenient to climb

The ecological retaining wall building block convenient to climb comprises a building block body, a protruding block is arranged in the middle of one end of the building block body, a groove is formed in the other end of the building block body, a butt joint block is arranged on one side of the building block body, and a butt joint groove is formed in the other side of the building block body. Inserting rods are installed in the butt joint groove and the groove correspondingly, and inserting grooves are formed in the protruding block and the butt joint block correspondingly. And one end of the fixed block is connected with an anti-skid patch. Compared with an existing device, the ecological retaining wall building block convenient to climb has the advantages that the convex blocks can be matched with the grooves, longitudinal connection between the building block bodies is facilitated, the butt joint blocks can be matched with the butt joint grooves, transverse connection between the building block bodies is facilitated, and the insertion rods can be in butt joint with the insertion grooves; therefore, the stability of connection of the building block bodies can be improved, and the fixing blocks can form steps on the spliced building block bodies, so that workers can climb the building block bodies conveniently.
Owner:安徽天柱松建设工程有限公司

Straight staircase

The invention relates to a straight staircase comprising: - two stringers (1) each extending along a longitudinal axis (A1), said longitudinal axes (A1) being parallel to each other; - a plurality of steps (2) fixed between the stringers (1); - at least one spacer (3) extending from one stringer (1) to the other along an axis substantially perpendicular to the longitudinal axes (A1) of the stringers; and at least one bracing element (4) extending from one stringer (1) to the other along an axis having a bracing angle (α) between 20 and 70° with respect to the longitudinal axes (A1) of said stringers, characterized in that said cross brace (3) includes a means for adjusting its width from among a list of predefined positions, and in that the staircase includes a means for adjusting the bracing angle (α) from among a set of predefined positions. Figure for the abbreviation: Fig 1
Owner:YSOFER ESCA

Truss, floor slab and building component

The invention provides a truss, a floor slab and a building component. The truss comprises an upper chord structure extending in a first direction; the web is in a wave shape, the overall length of the web extends in the first direction, the web is provided with a plurality of top inflection lines which are sequentially distributed in the first direction, and the top inflection lines are wrapped in the upper chord structure; the top inflection line extends in the second direction perpendicular to the first direction and is perpendicular to the edge lines of the two side wall faces of the web in the second direction. The machining difficulty of the upper chord structure and the web is reduced.
Owner:张立琦

Rapidly-assembled fabricated building and stair structure thereof

The invention provides a quickly-assembled fabricated building and a stair structure thereof. The problems that a traditional prefabricated stair structure is poor in connection stress, poor in anti-seismic property, high in production and manufacturing cost, large in manufacturing difficulty, low in construction efficiency and the like are solved. The assembly type stair structure comprises a stair section component and a supporting system, the stair section component is provided with at least one stair section, and the supporting system is provided with a first locking part and a second locking part which are matched with the upper end and the lower end of the stair section. The locking part locks the space and the corresponding locking unit through the acute angle and the obtuse angle, and stable connection between the stair section and the supporting system is achieved. In addition, external corner reinforcements can be arranged at the ends of the stair sections, and internal corner reinforcements can be arranged in the locking spaces, so that the structural strength is enhanced. According to the design, the construction process is simplified, the structural stability and anti-seismic performance are improved, the manufacturing difficulty and cost are reduced, and the structure is suitable for various buildings.
Owner:ZHEJIANG JIANSHU ENGINEERING TECHNOLOGY CO LTD

Green assembly stepped landscape slope support

The invention relates to a green assembly stepped landscape slope support, and relates to the technical field of slope repair, the green assembly stepped landscape slope support comprises: a continuous step laid on the outer side of a slope; the continuous step comprises a plurality of step layers which are arranged from top to bottom; the ecological area is arranged on the step layer and is used for culturing aquatic organisms and planting plants; the reservoir is arranged at the top of the side slope, and a plurality of water inlet pipelines are arranged on the reservoir; the filter box is arranged between the reservoir and the water inlet pipeline; and the dry-wet separation filtering mechanism is arranged between the filtering box and the water inlet pipeline and is used for draining and draining impurities doped in the collected rainwater and collecting and cleaning the impurities at the same time. The side slope rainwater storage device has the effects that rainwater at the side slope is stored, so that water and soil at the side slope are not prone to being eroded by the rainwater, water and soil loss is reduced, meanwhile, rainwater utilization is improved, and the utilization rate of land resources at the large-area side slope in the garden landscape is increased.
Owner:BEIJING URBAN CONSTR GROUP

Multi-stage shock insulation and absorption device applied to staircase and shock absorption method of multi-stage shock insulation and absorption device

The multi-stage shock isolation and absorption device comprises a base, and the bottom of the base is connected with a rest platform picking-out plate; the connecting seat is arranged on the upper portion of the base, and the lower surface of the connecting seat is connected with the upper surface of the base through a friction pendulum energy dissipation mechanism; the elastic connecting piece is arranged between the base and the connecting seat; a shearing groove is formed in the upper portion of the connecting base, a box type shearing structure is arranged in the shearing groove, the upper portion of the box type shearing structure is open, and a vertical vibration isolation unit is arranged in a box body of the box type shearing structure; the left side and the right side of a box body of the box-type shearing structure extend to be provided with wing-shaped pressure-bearing steel plates, and the upper surface and the lower surface of a shearing energy dissipation plate are fixedly connected with the inner wall of a shearing groove of the connecting base through viscoelastic energy dissipation material layers correspondingly. Two energy dissipation modes of viscoelasticity and a friction pendulum energy dissipation mechanism are combined, and energy can be effectively dissipated under different earthquake intensities according to damage characteristics of stairs during earthquake.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Temporary protection mechanism for prefabricated stairs

The utility model relates to a prefabricated stair temporary protection mechanism, which belongs to the technical field of prefabricated stair protection and comprises a prefabricated stair body, a protection mechanism arranged on the prefabricated stair body and a protection component arranged on the prefabricated stair body. The protection mechanism comprises two supporting plates slidably connected with the prefabricated stair body, supporting columns fixedly connected to the two supporting plates, two connecting bases fixedly connected to the two supporting columns, and sleeves hinged to the interiors of the two connecting bases on the right side. According to the prefabricated stair temporary protection mechanism, by arranging the protection mechanism, the protection device has the limiting and fixing functions, the protection device is fixed to the prefabricated stair body in a limiting mode, and therefore the protection device can be conveniently and rapidly mounted and dismounted, the working efficiency during mounting and dismounting of the protection device is improved, and meanwhile the universality of the protection device is improved; the protection device is suitable for prefabricated stair bodies of different sizes, and the practicability of the protection device is improved.
Owner:HAITONG CONSTR GRP

Concrete prefabricated stair component

A concrete prefabricated stair member belongs to the field of concrete prefabricated members. The concrete prefabricated stair component solves the technical problems that an existing prefabricated concrete stair is not stable enough due to the structure of a mounting hole, damage is prone to occurring in the assembling process, and the stability of follow-up earthquake resistance is poor, and then the concrete prefabricated stair component is provided. Bolts in the vertical direction are embedded in the lifting lugs of the upper stair beam and the lower stair beam correspondingly, and the stair body and the bolts are installed in a matched mode through the upper assembling holes and the lower assembling holes correspondingly. The diameter of the lower hole is smaller than that of the upper hole, a gasket is installed on the top face of the lower hole, and a nut is connected with a bolt and screwed through the gasket. Hole edge reinforcing ribs are arranged on the outer sides of the upper assembling hole and the lower assembling hole in the horizontal direction, the hole edge reinforcing ribs are arranged in an upper layer and a lower layer, and the outer sides of the hole edge reinforcing ribs are sleeved with stirrups in the vertical direction. Damage is not prone to occurring in the assembling process, and the overall shock resistance is improved. The precast concrete stair is used for precast concrete stairs.
Owner:CRCG INT LTD +1

Building wall

ActiveJP7817766B2WallsStairways
Provided is a building wall constructed in the vicinity of a building material constructed in advance, the building wall facilitating the fastening of an underlayer surface member and an upper layer surface member constituting the building wall. This building wall 100 comprises an underlayer 20 connected to a plurality of studs 10, an intermediate layer 30 connected to the underlayer 20, and an upper layer 40 connected to the intermediate layer 30. A building material 81 independent of the building wall 100 is arranged on, from among an upper layer surface member 41, a surface opposite to a back surface facing an intermediate surface member 31. A underlayer surface member 21 is fastened to the stud 10 by a first fixing member 50, the intermediate layer surface member 31 is fastened to the underlayer surface member 21 by a third fixing member 60, and the upper layer surface member 41 is fastened to the intermediate surface member 31 by a fourth fixing member 70. Respective fastening positions of the first fixing member 50, the third fixing member 60, and the fourth fixing member 70 are set in regions avoiding the building material 81.
Owner:YOSHINO GYPSUM CO LTD

Large-span prefabricated stair post-cast strip formwork system

The utility model discloses a large-span prefabricated stair post-cast strip formwork system which comprises an upper formwork assembly and a lower formwork assembly which are arranged at the joint of a prefabricated stair and used for forming a post-cast strip, and the upper formwork assembly and the lower formwork assembly are connected through a split screw penetrating through the upper formwork assembly and the lower formwork assembly and clamp and fix the prefabricated stair at the joint of the prefabricated stair. The upper mold assembly comprises a step mold plate arranged at the stair section of the prefabricated stair, and the width of the step mold plate can be adjusted to adapt to the step width of the prefabricated stair. According to the large-span prefabricated stair post-cast strip formwork system, the problems that solidification is waited, abutted seams leak slurry, the surface is uneven and the apparent quality is poor in an original post-cast strip pouring construction mode are solved, the construction difficulty is reduced, and the large-span prefabricated stair post-cast strip formwork system has the advantages of being easy and convenient to construct, reliable in quality, environmentally friendly, obvious in economic benefit and good in application prospect.
Owner:CHINA METALLURGICAL CONSTR ENG GRP

Adjustable stair railing post assembly

An angle-adjustable post assembly for supporting a rail panel on a stairway includes a post portion that is a generally hollow rectangular tube and a pivot rod that extends laterally from the post portion. The pivot rod is cylindrical to allow pivoting adjustment to position the post portion in a vertical orientation for multiple incline angles. The angle-adjustable post assembly also includes a base portion defining a plurality of first through holes, each of which is configured to receive a first fastener. A top bracket with an arcuate portion that is sized and shaped to correspond to the circumference of the pivot rod defines a pair of second through holes, each configured to receive a second fastener.
Owner:PRIMESOURCE BUILDING PRODUCTS INC

Waterproof structure of prefabricated stair splicing seam

The utility model relates to a waterproof structure of a prefabricated staircase splicing seam, which belongs to the technical field of prefabricated staircase waterproofing, and comprises a floor slab main body and a prefabricated staircase main body, a waterproof structure is arranged at the tops of the floor slab main body and the prefabricated staircase main body, and the waterproof structure comprises a waterproof plate arranged at the top ends of the floor slab main body and the prefabricated staircase main body; the waterproof plate comprises an anti-skid layer, a wear-resistant layer, a corrosion-resistant layer, a waterproof coating, a waterproof film and a bottom plate. The waterproof structure further comprises a connecting assembly which is arranged on the waterproof plate and used for connecting the floor slab body and the prefabricated stair body. According to the waterproof structure for the splicing seam of the prefabricated stair, through the waterproof structure, the waterproof plate can shield the splicing seam of the floor slab and the prefabricated stair, the waterproof performance of the splicing seam of the floor slab and the prefabricated stair is achieved, and the situation that the quality of the splicing end of the prefabricated stair and the floor slab is affected, and the service life of the prefabricated stair is shortened is avoided; and the service life of the waterproof plate is prolonged.
Owner:THE FIRST CONSTR ENG COMPANY LTD OF CHINA CONSTR SECOND ENG BUREAU +1

Fabricated stair

ActiveCN222893887UStairways
The utility model relates to the technical field of assembly type buildings, in particular to an assembly type stair which comprises a stair body, an upper platform fixed to the top of the stair body and a lower platform fixed to the bottom of the stair body, a plurality of steel bar frames are fixed to the side wall of the upper platform, and inserting grooves matched with the steel bar frames are formed in the side wall of the lower platform. The inserting groove of the upper staircase is inserted into the reinforcing steel bar frame of the lower staircase; a plurality of reinforcing frames are fixed to the periphery of the steel bar frame, a U-shaped clamping groove is fixed to the side wall of the upper platform, a U-shaped clamping plate matched with the U-shaped clamping groove is fixed to the side wall of the lower platform, the upper platform and the lower platform are connected through the horizontal upper platform, and the top of the lower platform is provided with a sprue gate. And the effect of conveniently pouring cement is achieved.
Owner:CSCEC STRAIT CONSTR & DEV +1

Water drop type stair optimization construction method based on BIM and point cloud model

The invention discloses a water drop type stair optimization construction method based on BIM and a point cloud model, a water drop type stair structure part has been constructed, and the elevation and the axis direction of a construction site change relative to an original design drawing; an existing surface plate body is a double-curved-surface rotating plate body, and the original design position of the plate body is occupied by part of on-site construction structures. An existing construction structure is repositioned through horizontal projection, so that the accuracy of subsequent BIM model establishment is ensured, and site construction is met; on-site structure information can be accurately captured through on-site three-dimensional scanning, and subsequent accurate matching is facilitated; through the BIM model after matching, it is guaranteed that the surface plate body meets the design requirement and can meet the size and positioning requirements of on-site construction, and it is beneficial for guaranteeing the positioning accuracy and feasibility of the surface plate body; by reversely pushing out the steel frame model, convenience in fixed installation and construction of the surface plate body is guaranteed, and the top of the steel frame serves as a suspended ceiling framework, so that more construction cost and procedures are saved.
Owner:北京市建筑工程装饰集团有限公司

Prefabricated stair and mounting process thereof

The invention discloses a prefabricated stair and a manufacturing and mounting process thereof. The prefabricated stair comprises a stair body, interlayer plates, stair beams and bracket beams. The stair beams and the bracket beams are fixed to a wall where the stair body is installed. And step surfaces matched with the top of the stair main body are arranged on the stair beams. And embedded parts are arranged on the step surfaces and are used for realizing the fixation between the stair main body and the stair beams. The interlayer plates are fixed to the stair beams and the bracket beams to form an interlayer platform between the upper stair body section and the lower stair body section. The positioning bolts are fixed on the step surfaces of the ladder beams. And a first mounting hole and a second mounting hole which are matched with the positioning screw rod are respectively formed in the top of the stair main body and the interlayer plate. The positioning screw rods sequentially penetrate through the first mounting holes and the second mounting holes, and the top surface platform and the interlayer plates are fixed through nuts, so that quick mounting of the prefabricated stair main body and the interlayer plates is realized, and meanwhile, damage to the joint of the interlayer plates and the prefabricated stair caused by pouring and form stripping is avoided.
Owner:ZHEJIANG HUA LIN CONSTR GRP

Steel frame staircase with fireproof coating means, staircase room structure

Since the steel staircase with fireproof coating means can be manufactured in a factory and transported to the site without damage, the work of providing fireproof coating at the site can be reduced. [Solution] An upper landing 8 and a lower landing 11 are arranged on a staircase part 6 including a step 4, and are sandwiched between steel stringers 16 to form a steel frame staircase 1. A fireproof covering frame 24 formed along the underside of the steel frame staircase 1 is filled with fireproof rock wool 27, and the fireproof covering frame 24 is fixed to the underside of the steel frame staircase 1. A fireproof ceiling board 23 is formed along the underside of the fireproof covering frame 24, and the upper surface of the fireproof ceiling board 23 is fixed to the underside of the fireproof covering frame 24. Next, a flame-retardant gasket 30 is arranged on the outer periphery of the steel frame staircase 1 (especially the outer surface 17a of the stringers 16) above the fireproof covering frame 24 to form a steel frame staircase 32 with a fireproof covering means). If the steel frame staircase 32 with a fireproof covering means is installed in a staircase 40, the flame-retardant gasket 30 will be in close contact with the inner surface 43a of the staircase wall 43, preventing any gaps from being generated.
Owner:YOKOMORI MFG +1

Landscape engineering slope stepped greening structure

The utility model discloses a garden engineering slope stepped greening structure which comprises a soil filling layer, a building layer arranged at the upper end of the soil filling layer, a plurality of concrete blocks built on the surface of the top end of the building layer, and planting grooves formed in the top ends of the concrete blocks, and further comprises a drainage structure arranged in the building layer, rainwater can be rapidly collected through the water accumulation channel, impurities are filtered out through the first filtering well lid, when accumulated water reaches a certain degree, water can be evenly distributed into all the coagulation blocks through the water accumulation groove, the water guide pipe and the flow dividing pipe, needed water is provided for plants, reasonable utilization of the rainwater is achieved, and meanwhile, the rainwater can be recycled. When the structure is used, redundant water is drained into the drainage channel through the drainage pipe and finally drained out of the structure, damage to the structure caused by accumulated water is avoided, the utilization efficiency of water resources is improved through the design, structural damage caused by accumulated water is effectively prevented, and the stability and durability of the structure are enhanced.
Owner:HUBEI SCENIC LAND CONSTRUCTION ENGINEERING CO LTD

Assembly type wooden stair splicing formwork structure

The utility model discloses an assembly type wooden stair splicing formwork structure which comprises two inclined side plates, two side plates, two side plates, two side plates, two side plates, two side plates, two side plates and two side plates, and inserting grooves are formed in the tops of the side plates at equal intervals; the mounting piece is clamped into the slot, and the top of the mounting piece is lower than the horizontal plane at the opening of the slot; the limiting plates are located at the tops of the side plates, limiting columns are further fixed to the bottoms of the limiting plates, and the limiting columns are connected with the mounting pieces in a clamped mode, so that all the mounting pieces are connected into a whole, one or more mounting pieces are prevented from being separated, and the mounting stability is improved; the limiting piece is arranged on the inner wall of one side of the inserting groove, and the limiting piece abuts against the mounting piece; according to the utility model, the whole template is assembled in a clamping manner, so that the tedious phenomenon of bolt disassembly and assembly is avoided, meanwhile, the installation stability can be ensured, the splicing manner is relatively simple, the template can be suitable for assembling wooden stairs, the whole operation is very flexible, and the limitation in use is greatly reduced.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD

Full-prefabricated stair connecting joint

The utility model provides a full-prefabricated stair connecting node. The fully-prefabricated stair connecting joint is used for connecting a stair, rest bedplates and a wall plate, the multiple rest bedplates are arranged on the wall plate from bottom to top, the stair is connected between every two adjacent rest bedplates, the cross section of each rest bedplate is rectangular, a vertical plane A is formed on the outer surface of each rectangular rest bedplate, and the vertical plane A is connected with the wall plate. Vertical planes A are arranged on the outer surfaces of the two ends of the staircase, vertical planes B are arranged on the outer surfaces of the two ends of the staircase, a plurality of installation holes are formed in the staircase, the installation holes are through in the width direction of the staircase, steel bars are arranged in the installation holes, the steel bars stretch out of the outer side of the staircase and are inserted into the wallboards, and the vertical planes A are attached to the vertical planes B. According to the utility model, the stress of the staircase is transmitted to the wallboards through the steel bars, and the wallboards share the load of the staircase, so that the stability and reliability of staircase installation are effectively ensured.
Owner:ANHUI ZHONGZHI HUANYU TECHNOLOGY PARTNERSHIP (LLP)

Anti-seismic buffer structure of prefabricated stair

The utility model relates to the technical field of prefabricated stairs, in particular to a prefabricated stair anti-seismic buffering structure which comprises an anti-seismic buffering assembly, a prefabricated stair body is arranged on the outer side of the anti-seismic buffering assembly, a protective fence is fixedly connected to the upper end face of the prefabricated stair body, and the anti-seismic buffering assembly comprises a supporting box. Supporting seats are fixedly connected to the two sides of the inner wall of the supporting box, a positioning rod is fixedly connected between the two supporting seats, an adjusting seat is slidably arranged on the surface of the positioning rod, reset springs are fixedly connected between the adjusting seat and the supporting seats, a first connecting seat is fixedly connected to the bottom end of the adjusting seat, and a second connecting seat is fixedly connected to the outer side of the supporting seat; according to the prefabricated staircase, the horizontal thrust of the prefabricated staircase body can be weakened or counteracted, the service life of the prefabricated staircase body is prolonged, and the safety and reliability of a building are ensured.
Owner:JIANGSU YUHUI NEW MATERIAL GRP CO LTD

Ancient tree protection structure

The utility model discloses an ancient tree protection structure, which solves the problem of inconsistent elevation of the ancient tree in-situ ground and the newly-built ground of a newly-built project soil layer by backfilling the ancient tree in-situ ground and arranging a plurality of retaining walls on the backfilled soil layer, so that the ancient tree does not need to be excavated and transplanted, and the in-situ protection of the ancient tree is realized. The survival rate of the ancient trees is improved, and the ancient trees can be protected conveniently; a plurality of retaining walls which are distributed in a step shape are arranged on the inclined slope surface of the backfill soil layer, the soil retaining effect of the retaining walls is exerted, landslide of backfill soil is avoided, meanwhile, steps are built on the inclined slope surface of the backfill soil layer, tourists can play and appreciate the steps, the whole protection structure and ancient trees are fused to form a natural landscape, the landscape is attractive, and the service life of the landslide is prolonged. And the user is delightful.
Owner:CHINA CONSTR FIRST GRP THE SECOND CONSTR +1

Connecting structure of assembly type stair and steel beam

The utility model discloses a connecting structure of an assembly type stair and a steel beam. The connecting structure comprises a prefabricated stair flight plate assembly, a floor slab, an H-shaped steel beam and at least two bracket plates arranged at intervals. The prefabricated stair flight plate assembly comprises a stair flight plate; the floor slab is connected with the end part of the stair flight plate; the upper flange of the H-shaped steel beam is fixedly connected with the bottom of the floor slab; one ends of at least two bracket plates arranged at intervals are fixedly connected to the side, close to the stair flight plate, of a web of the H-shaped steel beam, the other ends of the bracket plates are arranged in the direction away from the floor, the distance between the tops of the bracket plates and the top of the floor is equal to the thickness of the ends of the stair flight plates, and the ends of the stair flight plates are in lap joint with the bracket plates. And the top of the stair flight plate is flush with the top of the floor slab. When the stair flight plate is thicker than the floor slab, compared with the mode that the stair flight plate is lapped on the steel beam, a base plate does not need to be additionally arranged on one side of the floor slab to level the height difference, the follow-up link about base plate construction is omitted, and factors needing to be considered in construction are reduced.
Owner:CHINA CONSTR SCI & IND CORP LTD

Building stair structure system

The invention provides a building stair structure system, and relates to the technical field of stair structures, the building stair structure system comprises a building, a single-column supporting structure and a stair assembly, the building comprises a multi-layer building platform, and the side edge of the building platform is provided with a first supporting structure; the single-column supporting structure comprises a supporting column, a plurality of second supporting structures and a connecting structure; the stair assembly comprises a plurality of connecting platforms, a plurality of transition platforms and a plurality of stair sections, the connecting platforms are connected with the corresponding first supporting structures, the transition platforms are connected with the corresponding second supporting structures, and the adjacent connecting platforms and transition platforms are connected through the stair sections in the height direction. Through the synergistic effect of the single supporting column and the building, double-side supporting of the staircase is achieved, a stable bearing system is formed, compared with an existing four-leg frame type steel ladder, steel is saved by about 50%, space conflicts with existing facilities on the side face of the building are effectively avoided, and the staircase has the advantages of being flexible in arrangement, convenient and fast to construct, high in adaptability and the like.
Owner:MCC CAPITAL ENGINEERING & RESEARCH INC LTD

Fabricated stair

The utility model discloses an assembly type stair which comprises a stair body, an assembly table is arranged at the upper end of the stair body, and a fixing base is arranged at the lower end of the stair body. A mounting groove with a downward opening is formed in the bottom surface of the fixed seat, an adjusting seat is arranged in the mounting groove, a working cavity is formed in the fixed seat above the mounting groove, a pair of height adjusting parts is arranged in the working cavity, lifting ends for driving the adjusting seat to translate up and down are arranged on the height adjusting parts, and a driving part is arranged in the working cavity between the two height adjusting parts; the driving part is in transmission connection with the two height adjusting parts, and the driving part is provided with an operation end embedded in the top face of the fixing base. The utility model has the advantages that the adjusting seat is easily driven to translate up and down, the overall height of the fixing seat is changed, the height adjustment of the assembly type stairway formed by the stairway main body, the assembly table and the fixing seat is realized, the problem of insufficient height when the assembly type stairway is installed between adjacent floors is solved, and the installation height deviation of the assembly type stairway is avoided; and the stability after installation is ensured.
Owner:CHINA RAILWAY SEVENTH GROUP FIFTH ENGINEERING CO LTD