CN112962916B - Cold-formed thin-walled steel elevator shaft - Google Patents
Cold-formed thin-walled steel elevator shaft Download PDFInfo
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- CN112962916B CN112962916B CN202110183110.6A CN202110183110A CN112962916B CN 112962916 B CN112962916 B CN 112962916B CN 202110183110 A CN202110183110 A CN 202110183110A CN 112962916 B CN112962916 B CN 112962916B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/005—Lift shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/7604—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only fillings for cavity walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/562—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with fillings between the load-bearing elongated members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
- E04B2/60—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members
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Abstract
本发明公开了一种新型冷弯薄壁型钢电梯井道，包括：安装模块，所述安装模块沿竖直方向依次叠加形成电梯井道基本框架，每两个安装模块之间通过连接件进行固定连接；所述安装模块包括电梯井道组件及与所述电梯井道组件相邻设置的前室组件，所述电梯井道组件与前室组件均包括主支撑架及副支撑架，所述主支撑架包括多个主支撑柱，所述副支撑架包括多个副支撑柱，每个主支撑柱之间至少设置有两个副支撑柱。根据本发明，可实现流水线定制化生产、轻型化或免吊装设备安装、全螺栓拼接免焊接、抗震性能优异、节约材料简化施工工序的特点，施工周期短，有较大的应用前景。
The invention discloses a novel cold-formed thin-walled steel elevator shaft, comprising: installation modules, wherein the installation modules are stacked in sequence along the vertical direction to form a basic frame of the elevator shaft, and each two installation modules are fixedly connected by connecting pieces; The installation module includes an elevator shaft assembly and a front chamber assembly adjacent to the elevator shaft assembly. Both the elevator shaft assembly and the front chamber assembly include a main support frame and an auxiliary support frame, and the main support frame includes a plurality of A main support column, the auxiliary support frame includes a plurality of auxiliary support columns, and at least two auxiliary support columns are arranged between each main support column. According to the invention, the characteristics of customized production of the assembly line, light-weight or hoisting-free equipment installation, full bolt splicing without welding, excellent seismic performance, material saving and simplified construction process can be realized, the construction period is short, and the application prospect is large.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a cold-formed thin-wall steel elevator hoistway.
Background
Along with the acceleration of the aging process of population, citizens, especially old people, have increasingly strong demands for additionally installing elevators in existing multi-storey houses, in order to further adapt to the social and economic development and the aging demand of population, improve the use function of the existing multi-storey houses and improve the livable level, the additionally installing of elevators in old buildings is greatly emphasized by the nation and greatly supports the positive promotion of the related work of additionally installing elevators, and in response to the policy of 'support and additional installation' in the nation, the policy of additionally installing elevators in old buildings is broken out from places, so that the accelerated development of the additionally installing of elevators in old buildings in various places is promoted. Along with the continuous temperature rise of the old building and elevator installation market, the government actively pushes, the propelling work of the old building and elevator installation is still slow, and the most important problem is that the old community and elevator installation is difficult to implement. The roads of some old districts are narrow, large cranes, concrete mixer trucks and the like are difficult to enter the districts, the dead weight of the sections of the commonly adopted common steel is large, and no hoisting equipment increases the installation difficulty of workers; the elevator is of a vertical structure, a large amount of overhead welding operation is needed, the operation is inconvenient, and certain risks are caused; but old district construction operation's time is short, lead to the construction period long, can produce the noise when installing the assembly welding to the component and cause the resident family a great deal of life inconvenience, nevertheless because current thin wall type steel house of clod wash is used for low multilayer house more, and the elevator well height is about 25m in this patent, can break through 25 m's building height even, and to elevator well structure, layer eminence does not have the floor, how to carry out effectual reinforcement measure to layer height position, form the baffle effect, form the effectual difficult problem that resists lateral rigidity all needs to solve to the structure.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cold-formed thin-wall section steel elevator hoistway which has the characteristics of production line customized production, light or hoisting-free equipment installation, full-bolt splicing, welding-free property, excellent anti-seismic property, material saving, simplified construction process, short construction period, low overall cost and great application prospect. To achieve the above objects and other advantages in accordance with the present invention, there is provided a cold-formed thin-walled steel elevator hoistway, including:
the installation modules are sequentially overlapped along the vertical direction to form an elevator shaft basic frame, and every two installation modules are fixedly connected through a connecting piece;
the installation module comprises an elevator shaft assembly and a front chamber assembly arranged adjacent to the elevator shaft assembly, the elevator shaft assembly and the front chamber assembly respectively comprise a main support frame and an auxiliary support frame, the main support frame comprises a plurality of main support columns, the auxiliary support frame comprises a plurality of auxiliary support columns, and at least two auxiliary support columns are arranged between each main support column;
the layer ring beam is positioned between every two installation modules, and the installation modules are fixed on the layer ring beam;
the floor system assembly is positioned between every two front chamber assemblies and is used for getting on and off the elevator by personnel;
the roof assembly is positioned on the mounting module at the top and is fixed on the mounting module, and the roof assembly is used for bearing a wall body;
the skin wall assembly is wrapped on the side face of the installation module and used for reinforcing the stress of the installation module;
the concrete foundation pier base is fixedly provided with an installation module positioned at the bottom through a foundation connection assembly;
the hoistway guide rail fixing support assembly is fixed in the elevator hoistway assembly and used for lifting of the elevator;
and the steel materials in the installation module and the layer ring beam are cold-formed thin-wall section steel.
Preferably, when the installation module is installed in a through mode by adopting the main support column, the elevator shaft assembly and the front chamber assembly are installed respectively or simultaneously;
the installation module comprises a plurality of uninterrupted main support columns, layer ring beams fixed on the main support columns and skin wall assemblies fixed on the main support columns, floor system assemblies are installed at every two floors in the front chamber assembly, the layer ring beams are broken, and the cross-sectional structure of the main support columns is a 'BOX' -shaped rectangle;
the layer ring beam is fixed through connecting angle steel, an anti-pulling connecting piece and a stiffening steel rib;
the layer ring beam comprises an L-shaped section, a T-shaped section and a flat section, the L-shaped section and the T-shaped section are pre-welded on the main support column, and the flat section, the L-shaped section and the T-shaped section are connected with the connecting plate through self-tapping screws or fixedly connected with the connecting plate through high-strength bolts;
the auxiliary supporting columns are disconnected at each floor, and each section of auxiliary supporting column is fixedly connected through an anti-pulling connecting piece.
Preferably, when the installation module adopts main support column through type and layer ring beam reinforced type installation, the elevator shaft component and the front chamber component are installed respectively or simultaneously;
the installation module comprises a plurality of uninterrupted main support columns, a layer ring beam fixed on the main support columns and a skin wall assembly fixed on the main support columns, wherein the layer ring beam is interrupted;
the layer ring beam is connected with the main support column through a stiffening plate;
the ring beam and the main support column are connected through a reinforcing beam, the reinforcing beam is a C-shaped or U-shaped thin-wall component, and the reinforcing beam is fixedly connected with the main support column through an anti-pulling connecting piece by using self-tapping screws or bolts;
the layer ring beam comprises an L-shaped section, a T-shaped section and a flat section, the L-shaped section and the T-shaped section are pre-welded on the main supporting column, and the flat section, the L-shaped section and the T-shaped section are connected with the connecting plate through self-tapping screws or connected with the connecting plate through high-strength bolts;
the auxiliary supporting columns are disconnected at each floor, and each section of auxiliary supporting column is fixedly connected through an anti-pulling connecting piece.
Preferably, when the installation module is installed in a through manner by adopting a layer ring beam, the elevator shaft assembly and the front chamber assembly are installed respectively or simultaneously;
the mounting module comprises a plurality of disconnected main supporting columns, a ring beam fixed on the main supporting columns and a skin wall assembly fixed on the main supporting columns;
the main supporting column is positioned at the position of the layer ring beam and is broken, the main supporting column and the layer ring beam form a BOX-shaped section through cold-bending thin-wall U-shaped steel and C-shaped steel, and each side of the layer ring beam comprises a pair of back-to-back cold-bending thin-wall U-shaped steel;
the layer ring beam is of an unbroken type.
Preferably, the elevator shaft assembly comprises a plurality of main supporting columns and a plurality of auxiliary supporting columns arranged between each main supporting column;
the utility model discloses a lift well subassembly, including elevator well subassembly, fixed bolster roof beam is I-shaped tie-beam, just the fixed bolster roof beam includes cold-formed thin wall U shaped steel, C shaped steel, high frequency welding steel on the medial surface of elevator well subassembly rigid coupling has the fixed bolster roof beam that is fixed in on the main tributary brace, the fixed bolster roof beam is the I shape tie-beam, just the fixed bolster roof beam is including cold-formed thin wall U shaped steel, C shaped steel, high frequency welding steel, and the connected mode that the steel of difference adopted is different.
Preferably, the cross-sectional thickness of the cold-bent thin-walled steel material in the well structure is less than or equal to 6 mm.
Preferably, the joint connection between the cold-bent thin-walled steel materials in the hoistway structure is a full self-tapping screw or a self-tapping screw and bolt connection mode.
Preferably, the layer ring beam comprises an intermediate section, and a first connecting section and a second connecting section which are respectively and fixedly connected to two ends of the intermediate section, and the first connecting section and the second connecting section are respectively and fixedly connected to the main support column.
Preferably, the roof assembly comprises a layer ring beam, a parapet fixed on the layer ring beam and a plurality of roof cross beams fixed on the layer ring beam, wherein the layer ring beam is made of I-shaped steel, and the parapet is fixed in the I-shaped steel;
when the cross section of the layer ring beam is of a BOX structure, the parapet is connected with the layer ring beam through self-tapping screws and galvanized steel plates;
the layer ring beam is fixedly connected with a lifting hook beam, the lifting hook beam is fixedly connected with the layer ring beam through a gusset plate, and the lifting hook beam is fixedly connected with a floor slab;
the roof beam is provided with a supporting plate or a structural plate and is fixedly connected with the layer ring beam through a high-strength bolt and a gusset plate.
Preferably, the skin wall assembly includes first skin panel, with the relative second skin panel that sets up of first skin panel and take intensive skin panel, the skin wall assembly is installed the installation module through first skin panel and the relative setting of second skin panel or first skin panel, second skin panel and the mixed setting of taking intensive skin panel.
Preferably, fireproof and damp-proof materials are arranged on the inner side surfaces of the first skin plate, the second skin plate and the belt reinforced skin plate, and heat-insulating materials are arranged between the first skin plate, the second skin plate and the belt reinforced skin plate and the main support column and the auxiliary support column.
Preferably, be provided with the stretching strap connecting piece on the steel among the installing module, the stretching strap connecting piece is used for improving the intensity of this steel, and is provided with slope cold-formed thin-walled shaped steel on the steel of installing module to make this cold-formed thin-walled shaped steel form the K type with the steel of installing module and support, steel among the installing module includes cold-formed thin-walled U shaped steel, C shaped steel and multiple shape cold-formed thin-walled shaped steel, and this installing module adopts steel to embrace additional strengthening offering the steel of door opening department.
Preferably, the hoistway guide rail fixing bracket assembly comprises a fixing bracket beam, the fixing bracket beam is cold-formed thin-wall U-shaped steel, C-shaped steel and high-frequency welded steel, and when the fixing bracket beam is in an ultrathin light steel section form, the fixing bracket beam is fixed with the auxiliary support column through a strip-shaped connecting piece by using a self-tapping screw;
when the fixed support beam is made of high-frequency welding steel or common profile steel, the fixed support beam is in bolted connection with the auxiliary support column through the anti-pulling connecting piece or the angle steel.
Preferably, the floor system component comprises a floor system cross beam fixed on the layer ring beam, and a structural plate, a formwork-free floor slab, a poured concrete surface layer or a light material surface layer fixed on the floor system cross beam;
the cross section of the floor crossbeam is cold-formed thin-walled C-shaped steel or spliced by double-limb C-shaped steel, and the floor crossbeam is connected with the layer ring beam through self-tapping screws and node plates.
Preferably, the foundation connecting assembly is a main supporting column concrete direct-buried type, a common steel ring beam component and a main supporting column combined type, an embedded anchor bolt and a first layer common steel component section steel column and a cold-formed thin-walled steel component combined type, and an embedded anchor bolt and a ground ring beam and a cold-formed thin-walled steel component combined type, and the auxiliary supporting column is fixed on the layer ring beam through an anti-pulling anchor bolt and a shear key.
Preferably, main tributary dagger concrete is directly buried in the bottom of passing through the main tributary dagger buries the concrete foundation pier base, has pour the concrete of half floor height in the main tributary dagger of bottom, and this main tributary dagger extends concrete foundation pier base part and is connected with the main tributary dagger of top through connecting plate and self-tapping screw.
Preferably, the common steel member and the main support column are combined, the bottom of the common steel member is embedded into the concrete foundation pier seat, and concrete with half-storey height is poured into the common steel member at the bottom;
and the part of the main supporting column extending out of the concrete foundation pier seat is connected with the main supporting column above through a connecting plate and a self-tapping screw.
Preferably, the embedded anchor bolt, the first-layer common steel component section steel column and the cold-formed thin-wall section steel component are combined through the embedded anchor bolt in the concrete foundation pier base, the bottom of the first-layer common steel component section steel column is connected with the connecting plate in a welding mode, the bottom of the first-layer common steel component section steel column is connected with the embedded anchor bolt through the connecting plate, and the upper end portion of the first-layer common steel component section steel column is connected with the main support column through the interlayer connecting plate, the self-tapping screw and the high-strength bolt.
Preferably, the embedded anchor bolt, the ground ring beam and the cold-formed thin-walled steel member are combined and connected with the common H-shaped or high-frequency welder-shaped ground ring beam through the embedded anchor bolt; the main supporting column at the bottom is connected with the ring beam through an anti-pulling connecting piece by a high-strength bolt, wherein bolt holes are formed in the connecting positions of the ring beam, the embedded anchor bolts and the anti-pulling connecting piece in advance;
the main supporting column at the upper end part is connected with the first layer of common steel component section steel column through an interlayer connecting plate, a self-tapping screw and a high-strength bolt.
Compared with the prior art, the invention has the beneficial effects that:
1. the novel cold-formed thin-wall steel embracing beam or the cold-formed thin-wall steel square steel tube beam or the truss beam replaces a single keel beam in common cold-formed thin-wall light steel, and the problem that interlayer rigidity is weak due to the fact that a well in an elevator structure does not have a floor slab is solved.
2. The cold-bending thin-wall steel structure replaces a common steel frame structure of the traditional outdoor elevator, so that customized production, light weight, installation of hoisting-free equipment and excellent earthquake resistance are realized;
3. the cold-bending thin-wall steel structure is adopted, the thickness of the steel wall is thin, and the self weight of the structure is greatly reduced;
4. the main support in the main support frame adopts a column tank type structure as a vertical bearing structure, and the floor beam is connected with a connecting angle steel through a self-tapping screw at one section to form an effective force transmission mode.
5. The main support frame and the auxiliary support frame are wrapped through the skin wall assembly to form a closed wall body, and the closed wall body is used as a main lateral force resisting unit to bear wind load and horizontal earthquake load when stressed.
6. The composite wall has multiple skin wall structures, can adapt to the requirements of various engineering environments and designs, ensures that the skin wall normally works by structurally arranging a first skin plate, a second skin plate, a belt reinforced skin plate and the mixed skin plate form of the three modes on the assembly, forms an alternate mechanism for the inner side wall body and the outer side wall body during construction and maintenance, and ensures that the composite wall body has the skin effect all the time.
7. The wall structure with the reinforced skin plate can greatly improve the lateral stiffness of the structure.
8. Fireproof and moistureproof materials are installed on the inner side of the skin wall assembly, and heat-insulating materials are filled in the middle of the skin wall assembly, so that an effective fireproof and anticorrosion effect is formed on the main structure of the cold-formed thin-wall section steel, and the service life of the structure is prolonged.
9. Through limit stand and center pillar according to the floor segmentation, carry out the multistage installation on the scene for every floor is a load unit, makes things convenient for the manual work to carry out in bulk on the scene, avoids using all kinds of equipment fixing machinery, through every layer installation module, and the steel in the installation module is the steel section thickness and is for being less than or equal to 6 mm's thin-walled cold-formed steel, makes things convenient for the manpower to install.
10. All components in the installation module are connected through self-tapping screws or connecting plates, and field welding is avoided.
11. All the components are of an assembled structure, the site construction is very convenient and fast, the construction efficiency is greatly improved, the construction period is saved, and the labor cost is reduced.
Drawings
FIG. 1 is a schematic three-dimensional structure of a cold-formed thin-walled steel elevator hoistway according to the present invention;
FIG. 2 is a concrete direct-buried structural diagram of a main support pillar of a cold-formed thin-walled steel elevator hoistway according to the present invention;
fig. 3 is a combined structure view of a general steel ring beam member and a main support pillar of a cold-formed thin-walled steel elevator hoistway according to the present invention;
fig. 4 is a schematic structural view of a combined structure of an embedded anchor bolt, a first-layer common steel member section steel column and a cold-formed thin-wall steel member of a cold-formed thin-wall steel elevator hoistway according to the present invention;
FIG. 5 is a schematic view of a combined structure of an embedded anchor bolt, a ring beam and a cold-formed thin-walled steel member of a cold-formed thin-walled steel elevator hoistway according to the present invention;
FIG. 6 is a schematic top view of a layer ring beam of a cold-formed thin-walled steel elevator hoistway according to the present invention;
FIG. 7 is a schematic view of a cold-formed thin-walled steel elevator hoistway pullout resistance according to the present invention;
FIG. 8 is a schematic illustration of a secondary support pillar reinforcement structure for a cold-formed thin-walled steel elevator hoistway according to the present invention;
FIG. 9 is a schematic view of a secondary support post drawstring configuration for a cold-formed thin-walled steel elevator hoistway according to the present invention;
fig. 10 is a schematic view of a fixed bracket beam structure of a cold-formed thin-walled steel elevator hoistway according to the present invention;
FIG. 11 is a schematic view of a hole cut in a secondary support pillar of a cold-formed thin-walled steel elevator hoistway according to the present invention;
FIG. 12 is a schematic structural view of a floor assembly of a cold-formed thin-walled steel elevator hoistway according to the present invention;
FIG. 13 is a schematic structural view of a skin wall assembly of a cold-formed thin-walled steel elevator hoistway according to the present invention;
fig. 14 is a schematic view of a layer ring beam and a floor beam structure of a cold-formed thin-walled steel elevator hoistway according to the present invention;
FIG. 15 is a schematic structural view of a roof assembly of a cold-formed thin-walled steel elevator hoistway according to the present invention;
fig. 16 is a schematic structural view of a layer-gird connection of a cold-formed thin-walled steel elevator hoistway according to the present invention;
fig. 17 is a schematic structural view of a layer ring beam of a cold-formed thin-walled steel elevator hoistway according to the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-17, a cold-formed thin-walled steel elevator hoistway includes:
the installation modules 10 are sequentially overlapped along the vertical direction to form an elevator shaft basic frame, and every two installation modules 10 are fixedly connected through a connecting piece;
the installation module 10 comprises an elevator shaft assembly 11 and a front chamber assembly 12 arranged adjacent to the elevator shaft assembly 11, the elevator shaft assembly 11 and the front chamber assembly 12 both comprise a main support frame 60 and a secondary support frame 70, the main support frame 60 comprises a plurality of main support columns 61, the secondary support frame 70 comprises a plurality of secondary support columns 71, and at least two secondary support columns 71 are arranged between each main support column 61;
the layer ring beam 20 is positioned between every two installation modules 10, and the installation modules 10 are fixed on the layer ring beam 20;
the floor system assembly 30 is positioned between every two front chamber assemblies 12, and the floor system assembly 30 is used for people to get on and off the elevator;
the roof assembly 90 is positioned on the mounting module 10 at the top and fixed on the mounting module 10, and the roof assembly 90 is used for bearing a wall;
the skin wall assembly 40, the skin wall assembly 40 is wrapped on the side surface of the installation module 10, and the skin wall assembly 40 is used for reinforcing the stress of the installation module 10;
the installation module 10 is fixed on the bottom of the concrete foundation pier seat 50 through a foundation connecting assembly;
a hoistway guide rail fixing bracket assembly fixed in the elevator hoistway assembly 11 and used for lifting and lowering of an elevator;
the steel in the installation module 10 and the layer ring beam 20 is cold-formed thin-walled steel
Further, when the installation module 10 is installed in a through manner by using the main support column 61, the elevator hoistway assembly 11 and the front chamber assembly 12 are installed separately or simultaneously;
the installation module 10 comprises a plurality of uninterrupted main support columns 61, a layer ring beam 20 fixed on the main support columns 61 and a skin wall assembly 40 fixed on the main support columns 61, wherein floor system assemblies 30 are installed at every two floors in the front chamber assembly 12, the layer ring beam 20 is in an interrupted type, and the cross-sectional structure of the main support columns 61 is in a 'BOX' shape rectangle;
the layer ring beam 20 is fixed through connecting angle steel, an anti-pulling connecting piece and a stiffening steel rib;
the layer ring beam 20 comprises an L-shaped section, a T-shaped section and a flat section, the L-shaped section and the T-shaped section are pre-welded on the main support column 61, and the flat section, the L-shaped section and the T-shaped section are connected with a connecting plate through self-tapping screws or are fixedly connected with the connecting plate through high-strength bolts;
the auxiliary supporting columns 71 are disconnected at each floor, and each section of auxiliary supporting columns 71 are fixedly connected through an anti-pulling connecting piece 601.
Further, when the installation module 10 is installed in a penetrating manner by using the main support column 61 and in a reinforcing manner by using the layer ring beam 20, the elevator hoistway assembly 11 and the front chamber assembly 12 are installed separately or simultaneously;
the installation module 10 comprises a plurality of non-break main support columns 61, a layer ring beam 20 fixed on the main support columns 61 and a skin wall assembly 40 fixed on the main support columns 61, wherein the layer ring beam 20 is break;
the layer ring beam 20 is connected with the main support column 61 through a stiffening plate;
the layer ring beam 20 is connected with the main support column 61 through a reinforcing beam, the reinforcing beam is a C-shaped or U-shaped thin-wall component, and the reinforcing beam is fixedly connected with the main support column 61 through an anti-pulling connecting piece 601 by using self-tapping screws or bolts;
the layer ring beam 20 comprises an L-shaped section, a T-shaped section and a straight section, the L-shaped section and the T-shaped section are pre-welded on the main support column 61, and the straight section, the L-shaped section and the T-shaped section are connected with the connecting plate through self-tapping screws or connected with the connecting plate through high-strength bolts;
the auxiliary supporting columns 71 are disconnected at each floor, and each section of auxiliary supporting columns 71 are fixedly connected through an anti-pulling connecting piece 601.
Further, when the installation module 10 is installed in a through manner by using the layer ring beam 20, the elevator hoistway assembly 11 and the front chamber assembly 12 are installed separately or simultaneously;
the installation module 10 comprises a plurality of break-off main support columns 61, a layer ring beam 20 fixed on the main support columns 61, and a skin wall assembly 40 fixed on the main support columns 61;
the main supporting column 61 is located at the position of the layer ring beam 20 and is broken, the main supporting column 61 and the layer ring beam 20 are both formed into a BOX-shaped section through cold-bending thin-walled U-shaped steel and C-shaped steel, and each side of the layer ring beam 20 comprises a pair of back-to-back cold-bending thin-walled U-shaped steel;
the layer ring beam 20 is unbroken.
Further, the elevator shaft assembly 11 comprises a plurality of main supporting columns 61, and a plurality of secondary supporting columns 71 are arranged between each main supporting column 61;
the fixed connection has fixed bolster roof beam 111 that is fixed in on main tributary dagger 61 on the medial surface of elevator well subassembly 11, fixed bolster roof beam 111 is the I shape tie-beam, just fixed bolster roof beam 111 welds the steel including cold-formed thin wall U shaped steel, C shaped steel, high frequency, and the connected mode that the steel of difference adopted is different.
Furthermore, the cross-sectional thickness of the cold-bent thin-walled steel material in the well structure is less than or equal to 6 mm.
Furthermore, the joint connection between the cold-bending thin-wall steel materials in the hoistway structure is a full self-tapping screw or a self-tapping screw and bolt connection mode.
Further, the ring beam 20 includes an intermediate section 22 and a first connecting section 21 and a second connecting section 23 respectively fixedly connected to two ends of the intermediate section 22, and the first connecting section 21 and the second connecting section 23 are respectively fixedly connected to the main support column 61.
Further, the roof assembly 90 includes a layer of ring beam 20, a parapet 91 fixed on the layer of ring beam 20, and a plurality of roof cross beams fixed on the layer of ring beam 20, wherein the layer of ring beam 20 is an i-shaped steel material, and the parapet 91 is fixed in the i-shaped steel material;
when the cross section of the layer gird 20 is of a 'BOX' structure, the parapet 91 is connected with the layer gird 20 through self-tapping screws and galvanized steel sheets;
a lifting hook beam is fixedly connected to the layer ring beam 20, the lifting hook beam is fixedly connected to the layer ring beam 20 through a gusset plate, and a floor slab is fixedly connected to the lifting hook beam;
the roof beam is provided with a supporting plate or a structural plate and is fixedly connected with the layer ring beam 20 through a high-strength bolt and a gusset plate.
Further, the skin wall assembly 40 includes a first skin panel 41, a second skin panel 42 and a belt-reinforced skin panel, which are disposed opposite to the first skin panel 41, and the skin wall assembly 40 is installed on the installation module 10 through the first skin panel 41 and the second skin panel 42, which are disposed opposite to each other, or the first skin panel 41, the second skin panel 42 and the belt-reinforced skin panel, which are disposed in a mixed manner.
Furthermore, fireproof and moistureproof materials are arranged on the inner side surfaces of the first skin plate 41, the second skin plate 42 and the belt reinforced skin plates, and heat insulation materials 43 are arranged between the first skin plate 41, the second skin plate 42 and the belt reinforced skin plates and the main support column 61 and the auxiliary support column 71.
Further, be provided with stretching strap connecting piece 36 on the steel among the installing module 10, stretching strap connecting piece 36 is used for improving the intensity of this steel, and is provided with slope cold-formed thin-walled shaped steel on the steel of installing module 10 to make this cold-formed thin-walled shaped steel and installing module 10's steel form the K type and support, steel among the installing module 10 includes cold-formed thin-walled U shaped steel, C shaped steel and multiple shape cold-formed thin-walled shaped steel, and this installing module 10 adopts steel to embrace additional strengthening offering the steel of door opening department.
Further, the hoistway guide rail fixing bracket assembly comprises a fixing bracket beam 111, the fixing bracket beam 111 is made of cold-formed thin-wall U-shaped steel, C-shaped steel, high-frequency welding steel or the like, and when the fixing bracket beam 111 is in an ultra-thin light steel section form, the fixing bracket beam 111 is fixed with the auxiliary support column 71 through a self-tapping screw through a strip-shaped connecting piece;
when the fixed support beam 111 is made of high-frequency welding steel or common section steel, the fixed support beam 111 is connected with the auxiliary support column 71 through the anti-pulling connecting piece 601 or angle steel by bolts.
Further, the floor system component 30 includes a floor system beam fixed on the ring beam 20, and a structural slab, a formwork-free floor slab, a poured concrete surface layer or a light material surface layer fixed on the floor system beam;
the cross section of the floor crossbeam is made of cold-formed thin-walled C-shaped steel or spliced by double-limb C-shaped steel, and the floor crossbeam is connected with the layer ring beam 20 through self-tapping screws and node plates.
Further, the foundation connection assembly 60 is a main support column 61 concrete direct-buried type, a common steel ring beam component and the main support column 61 combined type, an embedded anchor and a first layer common steel component section steel column and a cold-formed thin-walled steel component combined type, and an embedded anchor and a ground ring beam and a cold-formed thin-walled steel component combined type, and the auxiliary support column 71 is fixed on the layer ring beam 20 through an anti-pulling anchor and a shear key.
Furthermore, the main support post 61 concrete is directly buried in the concrete foundation pier seat 50 through the bottom of the main support post 61, the concrete with half floor height is poured into the main support post 61 at the bottom, and the part of the main support post 61 extending out of the concrete foundation pier seat 50 is connected with the main support post 61 above through the connecting plate 602 and the tapping screw.
Further, the general steel member and the main support column 61 are combined to form a structure that the bottom of the general steel member is embedded into the concrete foundation pier seat 50, and concrete with half-storey height is poured into the general steel member at the bottom;
and the part of the main support post 61 extending out of the concrete foundation pier seat 50 is connected with the upper main support post 61 through a connecting plate 602 and a tapping screw.
Further, the combination of the embedded anchor, the first-layer common steel component section steel column and the cold-formed thin-walled steel component is that the embedded anchor is embedded in the concrete foundation pier seat 50, the bottom of the first-layer common steel component section steel column is connected with the connecting plate in a factory in a welding mode, the bottom of the first-layer common steel component section steel column is connected with the embedded anchor through the connecting plate, and the upper end portion of the main support column 61 is connected with the first-layer common steel component section steel column through the interlayer connecting plate 602, the self-tapping screws and the high-strength bolts.
Furthermore, the embedded anchor bolts, the ground ring beam and the cold-formed thin-walled steel member are combined and connected with the common H-shaped or high-frequency welder-shaped ground ring beam through the embedded anchor bolts; the main supporting column 61 at the bottom is connected with the ring beam through an anti-pulling connecting piece 601 by using a high-strength bolt, wherein bolt holes are formed in the connecting positions of the ring beam, the embedded anchor bolts and the anti-pulling connecting piece 601 in advance;
the main support column 61 at the upper end is connected with the first layer of common steel component section steel column through an interlayer connecting plate 602, self-tapping screws and high-strength bolts.
The number of devices and the scale of the processes described herein are intended to simplify the description of the invention, and applications, modifications and variations of the invention will be apparent to those skilled in the art. While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (15)
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Denomination of invention: A cold-formed thin-walled steel elevator shaft Granted publication date: 20211207 Pledgee: The Bank of Shanghai branch Caohejing Limited by Share Ltd. Pledgor: SMEP elevator (China) Co.,Ltd. Registration number: Y2024980058574 |
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