CN110642131A - Scaffold-free sectional installation construction method for super high-rise fire elevator - Google Patents

Scaffold-free sectional installation construction method for super high-rise fire elevator Download PDF

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Publication number
CN110642131A
CN110642131A CN201910928096.0A CN201910928096A CN110642131A CN 110642131 A CN110642131 A CN 110642131A CN 201910928096 A CN201910928096 A CN 201910928096A CN 110642131 A CN110642131 A CN 110642131A
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China
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construction
platform
steel
fire elevator
installation
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CN201910928096.0A
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Chinese (zh)
Inventor
刘旭冉
伊达
任志平
侯春明
张兴志
杜福祥
戴超
武雄飞
赵云鹏
马靖华
赵长江
王丹
吕桂元
张萍
陈春辉
毋敏
谭亚江
胡洪海
董欢欢
杨军东
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China Construction Third Engineering Bureau Co Ltd
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China Construction Third Engineering Bureau Co Ltd
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Priority to CN201910928096.0A priority Critical patent/CN110642131A/en
Publication of CN110642131A publication Critical patent/CN110642131A/en
Priority to PCT/CN2020/101377 priority patent/WO2021057193A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00Mining-hoist operation
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • E04G21/162Handles to carry construction blocks

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention discloses a scaffold-free sectional installation construction method for a super high-rise fire elevator, which comprises the whole construction steps of optimizing the sectional construction of the fire elevator, specially installing a lifting platform and constructing the fire elevator below a sectional layer. The construction method also discloses equipment required by the construction method, such as a special installation lifting platform and a specific structure thereof, and a detailed installation process. The construction of the fire elevator is segmented, so that the fire elevator can be installed in advance under the condition that the main tower body and the secondary structure are completely constructed, and the installation of the fire elevator is inserted into the construction of the main building structure, so that the construction and installation time of the fire elevator is saved, and the construction process is accelerated.

Description

Scaffold-free sectional installation construction method for super high-rise fire elevator
Technical Field
The invention belongs to the technical field of super high-rise building elevator construction, and particularly relates to a scaffold-free sectional installation construction method for a super high-rise fire elevator.
Background
With the development of economic construction, the height and the volume of super high-rise buildings are constantly refreshed. The fire elevator is an important component for realizing the use function of the building, is one of indispensable vertical transportation modes no matter in the later stage of delivery and in the electromechanical and fine finishing engineering construction process, and is particularly prominent in super high-rise buildings with the height of more than 300 m. Due to the characteristics of high height, multiple floors, short construction period and the like of the super high-rise building, the formation of the formal fire elevator directly determines the dismantling time of the construction elevator and the closing time of the outer vertical face curtain wall, and the method has important significance for vertical transportation conversion and construction deployment of the tower.
The traditional elevator installation method needs to install a scaffold in a hoistway of an elevator, and the scaffold needs to be erected to a construction place in the hoistway from the bottom of the hoistway. According to the difference of the construction height, the erection of the scaffold is changed continuously, the height of the scaffold is increased while the construction is carried out, and the whole fire elevator is installed. Particularly for high-rise buildings, the scaffold is erected, so that the engineering quantity is large, and the scaffold needs to consume a large amount of manpower, material resources and time for transportation, installation, disassembly, storage and the like; meanwhile, as the installation of the super-high-rise fire elevator runs through the whole tower, the installation work of the fire elevator is carried out after the construction of the main structure of the tower, the secondary structure of the shaft and the machine room structure of the elevator is completed in the traditional method. And after the fire-fighting elevator is checked and recorded, the operation of dismantling the tower outer vertical face construction elevator, plugging the curtain wall, finishing and the like is carried out. The whole construction and installation process consumes too long time, and is not favorable for opening the commercial area of the skirt building in advance for a large-scale comprehensive building.
Disclosure of Invention
The invention aims to provide a scaffold-free sectional installation construction method for a super high-rise fire elevator, which aims to insert the construction installation process of the fire elevator into the construction process of a main structure of a building in a penetrating way, and simultaneously adopts a scaffold-free construction process, so that the installation time of the fire elevator is greatly shortened, the cost for building the scaffold is saved, and the construction progress is greatly accelerated.
The technical scheme of the invention is as follows: a scaffold-free sectional installation construction method for a super high-rise fire elevator comprises the following construction steps:
s1, optimizing and segmenting the fire elevator by segmentation construction: dividing the installation of the fire elevator into a plurality of construction sections along the vertical direction of a shaft, and separating two adjacent construction sections by a subsection layer; installing a fire elevator below the subsection level; the construction of the tower main body and the shaft secondary structure is continuously completed above the subsection layer, and after the tower main body and the shaft secondary structure are completed, the fire elevator installation of the construction section above the subsection layer is carried out;
when the fire elevator below the subsection layer is installed, a wiring line is released from a machine room or the highest position of a shaft to the bottom of a foundation pit of the shaft, so that the installation of the fire elevator is ensured not to have deviation;
s2, construction of sectional layers: the segmented layer comprises profile steel, a planar steel pipe frame, a bottom plate and a waterproof structure layer; the profile steel is horizontally arranged in the shaft, and two ends of the profile steel are fixedly connected with the two opposite side structures of the shaft respectively; the planar steel pipe frame is formed by fixedly connecting a plurality of steel pipes through fasteners, and is placed on the section steel; the bottom plate is fixedly laid on the steel pipe frame; the waterproof structure layer comprises a waterproof layer and a mortar protective layer which are arranged layer by layer from bottom to top, and the waterproof structure layer is used for waterproof partition of the sectional layer and the part of the sectional layer connected with the well;
s3, construction of the special installation lifting platform: the special installation lifting platform comprises a middle sample plate platform and a movable working platform positioned below the middle sample plate platform;
s3a, constructing an intermediate template platform: the middle template platform comprises a main bearing steel beam, a secondary steel beam and a panel; fixedly connecting two ends of the main bearing steel beam to the side wall of the well, a floor slab adjacent to the well or a hole reserved for construction of a well secondary structure respectively, fixedly connecting the secondary steel beam to the main bearing steel beam, and fixedly connecting the panel to the secondary steel beam; a hoisting hole is formed in the panel, and a steel wire rope passes through the hoisting hole; two hanging rings are fixedly connected to the lower side of the secondary steel beam and serve as fixing points of the movable working platform;
after the construction of the middle sample plate platform is completed, a steel support frame is fixedly installed on the sample plate platform; the steel support frame is fixedly connected with a shear wall of a well through an expansion bolt; a hoisting steel beam is fixedly arranged on the steel support frame; lifting lugs are fixedly arranged on the lifting steel beams;
s3b, construction of the mobile working platform: the movable working platform comprises a material rack, a platform guide rail and a steel wire rope winding device; the steel wire rope winding device is fixedly arranged on the material frame; the method comprises the following steps that a ladder stand is fixedly and vertically installed on the side wall of the bottom of a hoistway, a temporary scaffold platform is erected in a pit of the hoistway, and a platform guide rail is installed by utilizing the temporary scaffold platform and the ladder stand and is vertically and fixedly connected to the side wall of the hoistway; the movable working platform is hoisted to a temporary scaffold platform through a hoist, and the material frame is connected with the platform guide rail in a vertical sliding manner, so that the cage guide rail is enabled to limit and guide the movable working platform when the movable working platform moves vertically; enabling a steel wire rope of the steel wire rope winding device to upwards penetrate through the lifting hole, and completing connection of the steel wire rope winding device, a lifting ring on the secondary steel beam and a lifting lug on the lifting steel beam; debugging the movable working platform to enable the movable working platform to reach the limit load of material lifting equipment required by installation of the fire elevator;
s4: constructing the fire elevator below the sectional layer: lifting parts of the fire elevator below the subsection layer by using the movable working platform, wherein the parts comprise guide rails, guide rail brackets, hall equipment, wire grooves and the like for the fire elevator;
s5: if a plurality of subsection floors are arranged, repeating the steps S3 to S4 until all the parts of the fire elevator below the subsection floors are installed;
s6: after the parts of the fire elevator below the subsection level are installed, the special installation lifting platform is dismantled, wherein the structure at the subsection level is not dismantled; after the construction of the tower main body and the shaft secondary structure at the upper part of the subsection layer is completed, the construction of the fire elevator at the part above the subsection layer is started;
s6 a: arranging the subsection layer into an elevator machine room at the top of the tower main body, repeating the steps from S3 to S4, and using the constructed subsection layer as a foundation for installing the special installation lifting platform, and installing the special installation lifting platform in the elevator machine room again;
s6 b: after the step S6a is completed, the rest part of the fire elevator is continuously completed by using the special installation lifting platform, including installation of structural parts such as a machine room host, a speed limiter, a control cabinet, a cable and the like; hoisting equipment such as a host machine and the like into the machine room through a hole of a reserved structure at the top of the machine room, and sequentially installing the equipment such as the host machine, the speed limiter, the driving cabinet, the control cabinet and the like; meanwhile, a travelling cable is placed from top to bottom by using a special installation lifting platform, and the travelling cable needs to be released by using a rotary tray during placement, so that the cable is prevented from being damaged; when the traveling cable is placed, a guide rail clamp is installed at the height set by the rope winding, the counterweight frame is temporarily placed on the guide rail clamp, the counterweight of the compensation rope is installed to the pit by using manned lifting equipment, and the buffer is installed until the fire elevator is finally completely installed and debugged to pass inspection and acceptance;
s7: after all construction of the step S6 is completed, before construction of a car frame, a hoisting rope, well electricity and a counterweight of the fire elevator is completed, the special installation lifting platform and the constructed subsection layer which are installed after the special installation lifting platform are firstly dismantled, all temporary structures in the well are removed, and then construction and installation of the car frame, the hoisting rope, the well electricity and the counterweight of the fire elevator are completed; and finally, integrally installing and debugging the fire elevator until the whole construction and installation process of the fire elevator is finished.
Further: in the step S1, refuge layers are selected as segment layers, and the number of the segment layers is 2 to 3.
Further: and the waterproof layer in the step S2 is a waterproof coiled material, and when the waterproof coiled material is constructed, the waterproof coiled material is turned upwards by at least 100mm along the side wall of the hoistway.
Further: and additionally laying a layer of color stripe cloth on the waterproof structure layer in the step S2, and fixing the color stripe cloth by adopting horizontal mortar to smear 100mm wide chamfers around the well.
Further: the panel in the step S2 is a pattern steel plate after 5mm, the main bearing steel beam is H-shaped steel, and the secondary steel beam is channel steel.
Further: in the step S3b, a herringbone steel plate protection is welded at the top of the material rack.
The beneficial effect of this scheme: the invention provides a construction method for scaffold-free sectional installation of a super high-rise fire elevator, and also discloses equipment required by the construction method, such as a special installation lifting platform, a specific structure of the special installation lifting platform and a detailed installation process. The construction of the fire elevator is segmented, so that the fire elevator can be installed in advance under the condition that the main tower body and the secondary structure are completely constructed, and the installation of the fire elevator is inserted into the construction of the main building structure, so that the construction and installation time of the fire elevator is saved, and the construction process is accelerated.
Another aspect of the present invention is: the method for constructing the subsection explains in detail how to set up the subsection layer and the specific structure of the subsection layer, and provides a specific embodiment of the construction subsection so that the same row can be quickly realized. Another aspect of the present invention is: a special installation and lifting platform and its concrete structure, and its concrete application method and construction sequence are disclosed. And the installation of each part of the fire elevator is realized by a special installation lifting platform.
In the scheme, a method for installing the fire elevator in sections is described in detail, each specific construction step and a complete detailed construction sequence are disclosed, each disclosed construction step and each disclosed construction sequence are technical achievements obtained by an applicant after the fire elevator is installed specifically, and a great amount of precious practical experience and basis are provided for the personnel in the industry. Through the construction method disclosed in the scheme, not only can save manpower, material resources and financial resources for building a scaffold, but also can save the construction time of the fire elevator, so that the whole construction progress of a high-rise building is accelerated, and the construction method has very important practical significance.
Drawings
FIG. 1 is a schematic plan view of a segmented layer in a hoistway according to the present invention;
fig. 2 is a schematic view of the installation of the vertical structure of the special installation lifting platform in the hoistway.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1 and 2, the scaffold-free sectional installation and construction method for the super high-rise fire elevator disclosed by the invention specifically comprises the following construction steps:
s1: optimizing and analyzing the sectional construction of the super high-rise fire elevator, selecting a corresponding refuge layer as a sectional layer according to the construction progress of a hoistway 1 secondary structure, eyelet plugging and hoistway water interception measures, wherein the fire elevator can be installed in advance on the floor below the sectional layer, namely the floor which finishes the working procedure, the construction of a tower main body and the hoistway 1 secondary structure can be continued while the fire elevator is installed on the floor below the sectional layer, and the fire elevator is installed after the construction is finished; meanwhile, the subsequent transfer of elevator installation equipment is considered, so that the segmentation is not too much, and the elevator installation equipment is preferably divided into 2-3 segments; the verticality of the shaft 1 is comprehensively considered as a construction sample line for opening a hole, and after the construction of the bottom plate of the elevator machine room structure at the top is completed, the line is released from the bottom plate of the elevator machine room to the bottom of the foundation pit so as to ensure the uniformity of the construction sample line in the upper and lower sections;
s2: the installation of special installation promotion platform, wherein:
s2 a: hard protection and waterproof partition construction at the sectional layer. Two horizontal hard partitions in an elevator shaft 1 at the subsection layer are made of 3 pieces of 16# I-steel 4, the distance between the I-steel 4 is 900mm, and a plane steel pipe frame 2 is erected on the I-steel 4. The plane steel pipe frame 2 is formed by arranging common steel pipes longitudinally and transversely at intervals of 450mm, and the steel pipes are connected by fasteners. Two layers of wooden templates with the thickness of 15mm are fully paved above the steel pipes to serve as bottom plates, wherein the wooden templates on the lower layer are bound and fixed with the planar steel pipe frame 2 through 14# iron wires.
As shown in fig. 1: laying waterproof coiled materials on the wood formwork to serve as waterproof partitions, arranging a mortar protective layer above the coiled materials, wherein the mortar protective layer serves as a slope finding layer, finding a slope in the direction close to the floor slab, the slope is 3%, accumulated water is cleared in time, and the waterproof coiled materials on one side of the shear wall close to the well 1 are required to be turned up by at least 100 mm. In order to ensure the waterproof effect, a layer of color stripe cloth is paved above the cement mortar protective layer, and 100mm wide chamfers are smeared with horizontal mortar around the well 1 to fix the color stripe cloth.
S2 b: and (5) construction of a special installation lifting platform. The special installation lifting platform comprises a middle template platform and a movable working platform positioned below the middle template platform. And installing an intermediate template platform below the subsection layer. Middle model platform includes main load girder steel 9, inferior girder steel 8 and panel 7, and main load girder steel 9 adopts H shaped steel, and inferior girder steel 8 adopts the channel-section steel, and panel 7 adopts 5mm thick decorative pattern steel sheet. One end of the main bearing steel beam 9 is fixed on the floor slab, and the other end is placed in a hole reserved in the construction stage of the counterweight rear side structure. The channel steel is fixedly connected with the main bearing steel beam 9 through a plurality of anchor bolts, the panel 7 and the channel steel are fixed in a welding mode, and lifting holes are formed in the panel 7 according to a through line arranged on a bottom plate of an elevator machine room. Two M27 hanging rings are welded on the lower side of the secondary steel beam 8 and serve as fixing points of the movable working platform. And after the construction of the middle sample plate platform is completed, a steel support frame 5 is fixedly installed on the sample plate platform. The steel support frame 5 is fixedly connected with a shear wall of the well 1 through M16 expansion bolts; a hoisting steel beam is fixedly arranged on the steel support frame 5 through 4M 14 bolts; and a lifting lug 6 is welded on the lifting steel beam.
S2 c: construction of a movable working platform: the movable working platform comprises a material rack 12, a platform guide rail 11 and a steel wire rope winding device; the steel wire rope winding device is fixedly arranged on the material frame 12. When testing a mobile work platform, the test is carried out according to the following steps: the load of the movable working platform is 2000kg according to the hoisting equipment, and a test chain, a force measuring instrument and a test bracket fixed on the rear wall of the hoistway 1 are sequentially connected to the lower end of the movable working platform; and then starting the steel wire rope winding device, and checking that the hoisting ring, the test bracket and other equipment are not deformed when the force measuring device of the steel wire rope winding device reaches a 4T load, thereby completing the installation and debugging of the movable working platform.
The installation of the platform guide rail 11 needs to install the ladder stand 10 on the bottom wall surface of the well 1, after the installation is completed, a temporary scaffold 13 platform is set up from a pit, and the platform guide rail 11 is installed according to a positioning sample line. After the platform guide rail 11 is installed, the material frame 12 is conveyed to the corresponding floor of the platform of the pit temporary scaffold 13, a hanging piece for hanging is installed at a position 4 meters above the pit temporary scaffold 13 on the rear wall of the well 1, then a hanging hoist is hung, the material frame 12 is slowly hung into the well 1, a safety steel wire rope penetrates through a braking device on the material frame 12, and the material frame 12 is fixed on a hanging ring of the sectional layer sample plate platform. The material rack 12 runs along the length of the platform rail 11. The material frame 12 is provided with 1 lifting steel wire rope, 1 secondary protection steel wire rope and a safety gear. In order to prevent the movable working platform from falling when the hoisting steel wire rope fails, a herringbone steel cover plate is welded at the top of the material frame 12 to serve as secondary safety protection. (ii) a
S3: fire elevator segmentation installation construction, wherein:
s3 a: guide rails, hoistway doors and hoistway 1 wire slots below the subsection layer are installed, and parts of the fire elevator below the subsection layer are installed by utilizing the movable working platform, wherein the parts comprise guide rails, guide rail brackets, hall equipment, wire slots and the like for the fire elevator. The device comprises a guide rail bracket and a guide rail, wherein the guide rail is lifted by adopting an independent material rack 12 arranged at a subsection layer. The guide rail support and the guide rail are installed at the same time, the guide rail installation process comprises hoisting, column guide rail adjustment and finishing, column guide rail installation, and the hoisting and the adjustment of the guide rail are performed at the same time. After the guide rail is installed in the first stage, the movable working platform is also used for installing components such as the hall door equipment, the wire grooves and the like in the first stage, the hall door equipment is sequentially installed from top to bottom, and elevation control lines and data of corresponding floors need to be provided before the hall door equipment is installed.
S3 b: and transferring the special installation lifting platform into the elevator machine room, after the installation of the guide rail, the hoistway door and the hoistway 1 wire groove below the subsection layer is completed, dropping the special installation lifting platform back onto the temporary scaffold 13 platform at the pit, disconnecting the hoisting steel wire rope and the safety steel wire rope from the movable working platform, and detaching, transferring and installing the middle sample plate platform and the movable working platform to the side wall of the shear wall of the elevator machine room. Utilizing an embedded hook of a hook beam of an elevator machine room as a steel wire rope fixing point of the movable working platform, and lowering the steel wire rope again to be connected with the movable working platform;
s3 c: the guide rails, the hall doors and the hoistway 1 wire slots above the subsection layer are installed, and the guide rails, the hall doors and the hoistway 1 wire slots below the same subsection layer are installed;
s3 d: the method comprises the following steps that component parts such as a machine room host, a speed limiter, a control cabinet and a cable are installed, equipment such as the host is hung in the machine room through a hole of a reserved structure at the top of the machine room, and the host, the speed limiter, a driving cabinet and the control cabinet are sequentially installed; meanwhile, a travelling cable is placed from top to bottom by using a special installation lifting platform, and the travelling cable needs to be released by using a rotary tray during placement, so that the cable is prevented from being damaged; when the trailing cable is placed, the guide rail clamp is installed at the height set by the winding rope, the counterweight frame is temporarily placed on the guide rail clamp, the compensation rope counterweight is installed to the pit by the manned lifting equipment, and the buffer is installed.
S4: before construction of a car frame, a hoisting rope, well 1 electricity and a balance weight of the fire elevator, firstly dismantling a special installation lifting platform and a constructed subsection layer which are installed later, removing all temporary structures in the well 1, then completing construction and installation of the car frame, the hoisting rope, the well 1 electricity and the balance weight of the fire elevator, and finally performing integral installation and debugging on the fire elevator until the whole construction and installation process of the fire elevator is finished.
The above description is only exemplary of the present invention and should not be taken as limiting, and 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 (6)

1. A scaffold-free sectional installation construction method for a super high-rise fire elevator is characterized by comprising the following steps: the method comprises the following construction steps:
s1, optimizing and segmenting the fire elevator by segmentation construction: the installation of the fire elevator is divided into a plurality of construction sections along the vertical direction of the hoistway (1), and two adjacent construction sections are separated by a subsection layer; installing a fire elevator below the subsection level; the construction of the secondary structures of the tower main body and the well (1) is continuously completed above the subsection layer, and the installation of the fire elevator of the construction section above the subsection layer is carried out after the secondary structures of the tower main body and the well (1) are completed;
when the fire elevator below the subsection level is installed, a wiring line is released from an elevator machine room or the highest position of the hoistway (1) to the bottom of a foundation pit of the hoistway (1), so that the installation of the fire elevator is ensured not to have deviation;
s2, construction of sectional layers: the segmented layer comprises profile steel, a planar steel pipe frame (2), a bottom plate and a waterproof structure layer; the section steel is horizontally arranged in the well (1), and two ends of the section steel are respectively fixedly connected with the two opposite side structures of the well (1); the plane steel pipe frame (2) is formed by fixedly connecting a plurality of steel pipes through fasteners, and the plane steel pipe frame (2) is placed on the section steel; the bottom plate is fixedly laid on the steel pipe frame; the waterproof structure layer comprises a waterproof layer and a mortar protective layer which are arranged layer by layer from bottom to top, and the waterproof structure layer is used for waterproof partition of the subsection layer and the part of the subsection layer connected with the well (1);
s3, construction of the special installation lifting platform: the special installation lifting platform comprises a middle sample plate platform and a movable working platform positioned below the middle sample plate platform;
s3a, constructing an intermediate template platform: the middle template platform comprises a main bearing steel beam (9), a secondary steel beam (8) and a panel (7); fixedly connecting two ends of the main bearing steel beam (9) to the side wall of the well (1), a floor slab adjacent to the well (1) or a hole reserved for construction of a secondary structure of the well (1) respectively, fixedly connecting the secondary steel beam (8) to the main bearing steel beam (9), and fixedly connecting the panel (7) to the secondary steel beam (8); a hoisting hole is formed in the panel (7), and a steel wire rope passes through the hoisting hole; two hanging rings are fixedly connected to the lower side of the secondary steel beam (8), and the hanging rings are used as fixing points of the movable working platform;
after the construction of the middle sample plate platform is completed, a steel support frame (5) is fixedly installed on the sample plate platform; the steel support frame (5) is fixedly connected with a shear wall of the well (1) through expansion bolts; a hoisting steel beam is fixedly arranged on the steel support frame (5); lifting lugs (6) are fixedly mounted on the lifting steel beams;
s3b, construction of the mobile working platform: the movable working platform comprises a material rack (12), a platform guide rail (11) and a steel wire rope winding device; the steel wire rope winding device is fixedly arranged on the material frame (12); the method comprises the following steps that a vertical installation ladder stand (10) is fixedly arranged on the side wall of the bottom of a well (1), a temporary scaffold (13) platform is erected in a pit of the well (1), a platform guide rail (11) is installed by utilizing the temporary scaffold (13) platform and the ladder stand (10), and the platform guide rail (11) is vertically and fixedly connected to the side wall of the well (1); the movable working platform is hoisted to a temporary scaffold (13) platform through a hoist, and a material frame (12) is connected with a platform guide rail (11) in a vertical sliding manner, so that the cage guide rail is enabled to limit and guide the movable working platform when the movable working platform moves vertically; the steel wire rope of the steel wire rope winding device upwards passes through the lifting hole to complete the connection of the steel wire rope winding device with a lifting ring on a secondary steel beam (8) and a lifting lug (6) on a lifting steel beam; debugging the movable working platform to enable the movable working platform to reach the limit load of material lifting equipment required by installation of the fire elevator;
s4: constructing the fire elevator below the sectional layer: lifting parts of the fire elevator below the subsection layer by using the movable working platform, wherein the parts comprise guide rails, guide rail brackets, hall equipment, wire grooves and the like for the fire elevator;
s5: if a plurality of subsection floors are arranged, repeating the steps S3 to S4 until all the parts of the fire elevator below the subsection floors are installed;
s6: after the parts of the fire elevator below the subsection level are installed, the special installation lifting platform is dismantled, wherein the structure at the subsection level is not dismantled; after the construction of the tower main body and the hoistway (1) secondary structure at the upper part of the subsection layer is completed, the construction of the fire elevator at the part above the subsection layer is started;
s6 a: arranging the subsection layer into an elevator machine room at the top of the tower main body, repeating the steps from S3 to S4, and using the constructed subsection layer as a foundation for installing the special installation lifting platform, and installing the special installation lifting platform in the elevator machine room again;
s6 b: after the step S6a is completed, the rest part of the fire elevator is continuously completed by using the special installation lifting platform, including installation of structural parts such as a machine room host, a speed limiter, a control cabinet, a cable and the like; hoisting equipment such as a host machine and the like into the machine room through a hole of a reserved structure at the top of the machine room, and sequentially installing the equipment such as the host machine, the speed limiter, the driving cabinet, the control cabinet and the like; meanwhile, a travelling cable is placed from top to bottom by using a special installation lifting platform, and the travelling cable needs to be released by using a rotary tray during placement, so that the cable is prevented from being damaged; when the traveling cable is placed, a guide rail clamp is installed at the height set by the rope winding, the counterweight frame is temporarily placed on the guide rail clamp, the counterweight of the compensation rope is installed to the pit by using manned lifting equipment, and the buffer is installed until the fire elevator is finally completely installed and debugged to pass inspection and acceptance;
s7: after all construction of the step S6 is completed, before construction of a car frame, a hoisting rope, electricity of a well (1) and a counterweight of the fire elevator is completed, a special installation lifting platform and a constructed subsection layer which are installed after dismantling are firstly carried out, all temporary structures in the well (1) are removed, and then construction installation of the car frame, the hoisting rope, the electricity of the well (1) and the counterweight of the fire elevator is completed; and finally, integrally installing and debugging the fire elevator until the whole construction and installation process of the fire elevator is finished.
2. The scaffold-free sectional installation and construction method for the super high-rise fire elevator, according to claim 1, is characterized in that: in the step S1, refuge layers are selected as segment layers, and the number of the segment layers is 2 to 3.
3. The scaffold-free sectional installation construction method for the super high-rise fire elevator, according to claim 1 or 2, is characterized in that: the waterproof layer in the step S2 is a waterproof roll, and when the waterproof roll is constructed, the waterproof roll is turned upwards by at least 100mm along the side wall of the hoistway (1).
4. The scaffold-free sectional installation and construction method for the super high-rise fire elevator as claimed in claim 3, wherein the method comprises the following steps: and a layer of color stripe cloth is additionally paved on the waterproof structure layer in the step S2, and chamfer angles with the width of 100mm are smeared on the periphery of the well (1) by adopting horizontal mortar to fix the color stripe cloth.
5. The scaffold-free sectional installation and construction method for the super high-rise fire elevator as claimed in claim 3, wherein the method comprises the following steps: the panel (7) in the step S2 is a pattern steel plate after 5mm, the main bearing steel beam (9) is H-shaped steel, and the secondary steel beam (8) is channel steel.
6. The scaffold-free sectional installation and construction method for the super high-rise fire elevator as claimed in claim 3, wherein the method comprises the following steps: in the step S3b, a herringbone steel plate protection is welded at the top of the material rack (12).
CN201910928096.0A 2019-09-28 2019-09-28 Scaffold-free sectional installation construction method for super high-rise fire elevator Pending CN110642131A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111977496A (en) * 2020-08-21 2020-11-24 广东中园电梯工程有限公司 Construction method of machine-room-free scaffold-free elevator
WO2021057193A1 (en) * 2019-09-28 2021-04-01 中建三局集团有限公司 Skyscraper firefighting elevator scaffolding-less segmented installation and construction method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1994844A (en) * 2006-01-06 2007-07-11 温建 Lifting operation method and apparatus for mounting guide rail on outer wall of architecture
CN102963797A (en) * 2011-08-30 2013-03-13 东芝电梯株式会社 Center fixture of elevator guide rail
JP2013220859A (en) * 2012-04-12 2013-10-28 Toshiba Elevator Co Ltd Head extension method for elevator for construction
CN104528500A (en) * 2014-12-29 2015-04-22 中国建筑股份有限公司 Double-platform scaffold-free elevator installation method
CN104863344A (en) * 2014-02-25 2015-08-26 株式会社日立建筑系统 Lift installing device, and assembling method thereof
CN110077934A (en) * 2019-04-17 2019-08-02 奥的斯机电电梯有限公司 A kind of constructing device and its construction method in elevator segmentation hoistway

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004026429A (en) * 2002-06-26 2004-01-29 Shirai Eremeka:Kk Elevator installing method
FI120089B (en) * 2008-01-23 2009-06-30 Kone Corp A method of installing a lift
CN105217408A (en) * 2015-09-17 2016-01-06 中建三局第三建设工程有限责任公司 Segmentation hoisting type construction elevator mechanism and segmentation method for improving thereof
CN108609454B (en) * 2018-05-11 2019-09-27 日立电梯(中国)有限公司 A kind of segmented setting out method of elevator installation
CN109339399B (en) * 2018-11-23 2023-08-25 宝钢钢构有限公司 Sectional construction method of steel structure in elevator hoistway
CN110642131A (en) * 2019-09-28 2020-01-03 中建三局集团有限公司 Scaffold-free sectional installation construction method for super high-rise fire elevator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1994844A (en) * 2006-01-06 2007-07-11 温建 Lifting operation method and apparatus for mounting guide rail on outer wall of architecture
CN102963797A (en) * 2011-08-30 2013-03-13 东芝电梯株式会社 Center fixture of elevator guide rail
JP2013220859A (en) * 2012-04-12 2013-10-28 Toshiba Elevator Co Ltd Head extension method for elevator for construction
CN104863344A (en) * 2014-02-25 2015-08-26 株式会社日立建筑系统 Lift installing device, and assembling method thereof
CN104528500A (en) * 2014-12-29 2015-04-22 中国建筑股份有限公司 Double-platform scaffold-free elevator installation method
CN110077934A (en) * 2019-04-17 2019-08-02 奥的斯机电电梯有限公司 A kind of constructing device and its construction method in elevator segmentation hoistway

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021057193A1 (en) * 2019-09-28 2021-04-01 中建三局集团有限公司 Skyscraper firefighting elevator scaffolding-less segmented installation and construction method
CN111977496A (en) * 2020-08-21 2020-11-24 广东中园电梯工程有限公司 Construction method of machine-room-free scaffold-free elevator
CN111977496B (en) * 2020-08-21 2022-05-20 广东中园电梯工程有限公司 Construction method of elevator without machine room and scaffold

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