CN115306137A

CN115306137A - Operation platform structure for mounting suspended ceiling at bottom of overhead corridor and construction method thereof

Info

Publication number: CN115306137A
Application number: CN202211003985.4A
Authority: CN
Inventors: 刘帅杨; 许秀冬; 段兵壮; 于宏达; 程祥; 于小颖; 成学卫; 李永峰
Original assignee: Beijing Fourth Construction & Engineering Co ltd
Current assignee: Beijing Fourth Construction & Engineering Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-11-08
Anticipated expiration: 2042-08-22
Also published as: CN115306137B

Abstract

The utility model provides an operation platform structure and worker's method for installation of high altitude vestibule bottom furred ceiling, operation platform structure includes construction platform structure, platform mosaic structure and faces limit protective structure, and construction platform structure is formed by a set of unit platform assembly, and the unit platform includes unit hanging flower basket support body, hangs hoisting point mechanism, power lift system and scaffold board. Hang hoisting point mechanism and include that the floor exempts from load structure, hoist and mount wire rope and hoist and mount wire rope card, platform mosaic structure include with the unit hanging flower basket support body can dismantle the shelf pipe network of being connected and can dismantle the coupling assembling of taking root of being connected with both sides building structure, face limit protective structure and include plane support body structure, keep off sole and close mesh formula safety net. The aluminum suspended ceiling installation structure ensures convenience of aluminum suspended ceiling installation, solves the problem of high difficulty in material transportation and installation and operation of workers, is reasonable in structural design, and is suitable for suspended ceiling construction at the bottom of a high-altitude long-span corridor.

Description

Operation platform structure for mounting suspended ceiling at bottom of overhead corridor and construction method thereof

Technical Field

The invention belongs to the field of construction operation of an overhead corridor, and particularly relates to an operation platform structure for mounting a suspended ceiling at the bottom of the overhead corridor and a construction method thereof.

Background

In order to embody the effect of the outer vertical surface of the building and meet the use function of the building, the spatial structure of the high-altitude long-span steel corridor is continuously applied to large-scale group public buildings or double-tower buildings, the decorative effect of the corridor is considered, the exterior form is various, and the construction of the exterior decorative surface of the high-altitude long-span steel corridor has the construction difficulties of high altitude, large span, large construction load, high difficulty and danger and the like.

When two high-rise buildings are connected by a high-altitude large-span steel corridor, the exterior of the bottom of the corridor is decorated into a suspended ceiling curtain wall, and the suspended ceiling curtain wall is fixedly designed by adopting materials such as primary and secondary keels, heat-preservation rock wool, aluminum veneers and the like; the suspended ceiling is divided into diamond-shaped cells, the whole structure is required to be smooth after installation, and the positioning precision requirement is high. During the construction of the suspended ceiling at the bottom of the corridor, a full-hall support or a crank arm overhead working truck is generally adopted, and the construction mode has the defects of poor adaptability, low operability, high material transportation difficulty, low work efficiency and the like.

Disclosure of Invention

The invention aims to provide an operation platform structure for mounting a suspended ceiling at the bottom of an overhead corridor and a construction method thereof, and aims to solve the technical problems of poor adaptability, low operability, high material transportation difficulty and low work efficiency caused by the adoption of a full-span support or a crank arm overhead working truck during construction of the suspended ceiling at the bottom of the overhead long-span steel corridor.

In order to achieve the purpose, the invention adopts the following technical scheme:

an operation platform structure for installing a suspended ceiling at the bottom of an overhead corridor is connected below an overhead corridor structure and between floor heights close to building structures on two sides, wherein the direction for communicating the building structures on the two sides is the longitudinal direction of the overhead corridor structure, the direction vertical to the longitudinal direction is the transverse direction, the overhead corridor structure comprises a main structure and a corridor floor slab arranged on the main structure,

the operation platform structure comprises a construction platform structure, a platform splicing structure and an edge protection structure, wherein the construction platform structure is formed by splicing a group of unit platforms,

the unit platform comprises a unit hanging basket frame body, a hanging point mechanism, a power lifting system and a scaffold board,

the unit hanging basket frame bodies are arranged at equal heights in full hall within the range of the corridor floor slab, the arrangement mode is that the hanging point mechanisms are arranged in rows at longitudinal intervals and in rows at transverse intervals, every two hanging point mechanisms are arranged in groups, each group is correspondingly arranged at the vertical hoisting positions at two ends of the unit hanging basket frame body, hoisting holes are arranged at the positions of the corridor floor slab corresponding to the hanging point mechanisms, the high-altitude corridor aluminum plate ceiling to be installed is an aluminum plate layer formed by splicing aluminum plates, the positions of the hoisting holes avoid the aluminum plates and are all arranged at the splicing seam positions of the aluminum plates,

the unit hanging basket frame body comprises upright columns and horizontal frames which are arranged along the upright columns in a layered mode and fixedly connected with the upright columns, each horizontal frame comprises a horizontal bottom frame connected with the bottom of each upright column, a horizontal middle frame connected with the middle of each upright column and a horizontal top frame connected with the top of each upright column, the horizontal bottom frames and the horizontal middle frames in the same upright column are fixedly connected through inclined support rods, the horizontal middle frames and the horizontal top frames form unit guardrails of the unit hanging basket frame body, the two transverse ends of the unit hanging basket frame body are respectively detachably connected with end fences,

the suspension lifting point mechanism comprises a floor load-free structure, a lifting steel wire rope and a lifting steel wire rope clamp, the floor load-free structure is arranged on the upper side surface of the corridor floor around a lifting hole, the top of the lifting steel wire rope penetrates through the lifting hole to be bent on the floor load-free structure and suspended and connected, the top of the lifting steel wire rope is bent and fixed through the lifting steel wire rope clamp, the bottom of the lifting steel wire rope is connected with the top of an end fence, a unit hanging basket body is internally provided with a power lifting system to adjust the lifting height of the unit hanging basket body,

the scaffold boards are fully paved on the upper sides of the horizontal middle frames in the same row along the longitudinal direction in the range of the corridor floor,

the platform splicing structure comprises a shelf pipe network detachably connected with the unit hanging basket frame bodies and rooting connecting components detachably connected with the building structures on two sides, wherein the shelf pipe network consists of longitudinal shelf pipes and transverse shelf pipes, the shelf pipes in each direction are respectively arranged in parallel at equal intervals, the longitudinal shelf pipes are inserted between the horizontal middle frames and the inclined support rods and detachably connected with the bottom surfaces of the horizontal middle frames, the transverse shelf pipes are inserted into gaps between two adjacent rows of unit hanging basket frame bodies and are vertically arranged and detachably connected with the longitudinal shelf pipes, the rooting connecting components are arranged in one-to-one correspondence with the longitudinal shelf pipes and detachably connect the longitudinal shelf pipes with the building structures on two sides through the rooting connecting components,

face limit protective structure setting vertically and face limit both sides, including plane support body structure, fender sole and close mesh formula safety net, plane support body structure is including protection pole setting and protection horizontal pole, protection pole setting and horizontal shelf pipe one-to-one setting, the bottom of protection pole setting vertically faces limit position and horizontal shelf pipe can dismantle with the horizontal shelf pipe and be connected or fixed connection, protection horizontal pole vertically the full length setting of the scope of vestibule floor, can dismantle with the protection pole setting and be connected, keep off the sole setting in the inboard of plane support body structure, close mesh formula safety net covers and hangs in the inboard or the outside of plane support body structure.

The aluminum veneer comprises edge rectangular plates and diamond-shaped plates, the edge rectangular plates are arranged along the periphery of the edge of the corridor floor in a closed mode, the diamond-shaped plates are arranged inside the edge rectangular plates and connected with the edge rectangular plates, and splicing seams of the hoisting holes in the aluminum veneer comprise splicing seams of the edge rectangular plates and the diamond-shaped plates and splicing seams between the diamond-shaped plates.

And the lifting holes are formed around the obtuse angle of the rhombic plate at the abutted seam position on the rhombic plate.

The rooting connecting component comprises a rooting vertical rod, a rooting transverse rod, a top fixed connecting piece and a bottom fixed connecting piece, the rooting vertical rod is arranged in the floor height of the building structure, namely between an upper floor and a lower floor, the top of the rooting vertical rod is fixedly connected with an upper floor beam, the bottom of the rooting vertical rod is fixedly connected with a lower floor beam,

the rooting transverse rod is supported at the inner side of the rooting upright rod and close to the end part of the longitudinal rack tube, each end part of the longitudinal rack tube is respectively detachably connected with the rooting transverse rod to ensure that each longitudinal rack tube is connected into a whole,

the top of the rooting vertical rod abuts against the inner side of the upper floor beam and is connected with the upper floor beam through a top fixed connecting piece, the bottom of the rooting vertical rod abuts against the inner side of the lower floor beam and is connected with the lower floor beam through a bottom fixed connecting piece, or clamping convex structures are arranged on the bottom surface of the upper floor beam and the top surface of the lower floor beam, clamping grooves matched with the clamping convex structures are arranged in the corresponding positions of the rooting vertical rod, and the clamping convex structures are clamped in the clamping grooves.

The rooting connecting assembly comprises a pole holding cross rod, the longitudinal frame pipe extends towards the inside of the building structure and is connected with the building structure pole holding post between the floor level of the building structure, namely the upper floor and the lower floor, the pole holding position is located at the bottom of the building structure pole, and the pole holding cross rod is respectively arranged on two sides of the building structure pole and is fixedly connected with the end part of the longitudinal frame pipe to form a holding frame.

The floor structure of exempting from to carry includes balancing weight, string pipe and lifts by crane buffering skid, the balancing weight symmetry sets up the upside of vestibule floor around the hole for hoist top, hang the both ends of pipe overlap joint respectively on the balancing weight of both sides, the balancing weight pad is between string pipe and vestibule floor, it puts at the top surface of string pipe to lift by crane buffering skid, hoist and mount wire rope passes the hole for hoist and hang and connect on string pipe and lifting by crane buffering skid through the balancing weight.

The power lifting system comprises a lifter, a safety lock, an electric cabinet, a safety steel wire rope, a reinforcing steel wire rope and a heavy hammer.

A construction method of an operation platform structure for mounting a suspended ceiling at the bottom of an overhead corridor comprises the following construction steps:

step one, designing and manufacturing a platform:

step A, firstly, carrying out stress calculation on the structure of the operation platform according to load design: the load design comprises the dead weight of the operation platform structure, the load of operation personnel and construction appliance materials and wind load, and the stress calculation comprises the stress checking calculation of a hoisting steel wire rope and a suspension hoisting point mechanism;

and B, manufacturing the structure of the operation platform: the manufacturing size of the construction platform structure is matched with the size of a corridor floor, then the size of each unit hanging basket frame body, the transverse and longitudinal bidirectional spacing and the arrangement form of the unit hanging basket frame bodies are determined according to the size of the aluminum plate layer, and the unit hanging basket frame bodies are numbered;

step two, reserving a hoisting hole:

drawing a splicing and sewing graph of the aluminum single plate in a plan view of the air corridor structure according to the grid form of the aluminum single plate; marking hole sites of the hoisting holes on a plane graph according to the size of the unit hanging basket body, drawing a hoisting hole arrangement graph, numbering the hole sites to enable the hole sites to be matched with the aluminum single plate blocks, and reserving the hole sites in the construction process of the corridor floor slab according to the hole site arrangement graph;

the aperture of each hoisting hole is required to ensure that the hoisting steel wire rope smoothly penetrates through the hoisting hole, and the central point of each hole is required to be at the position of the joint line of the aluminum veneer so as to ensure that the hoisting steel wire rope vertically penetrates through the hoisting hole and the joint of the aluminum veneer;

step three, installing a suspension lifting point mechanism:

each hole site is provided with a suspension lifting point mechanism, the top of a lifting steel wire rope is wound around a hanging pipe and a lifting buffer skid and is fixed by a steel wire rope clamp, the lifting steel wire rope does not need to be provided with a safety bend, and a balancing weight is arranged between the hanging pipe and a corridor floor slab in a cushioning mode;

step four, installing each unit hanging basket frame body:

step C, firstly arranging a unit hanging basket frame body on the ground:

according to the structural design size of the construction platform, keeping the unit hanging basket frame bodies on the ground according to the transverse and longitudinal bidirectional spacing and arrangement form of the unit hanging basket frame bodies, then installing corresponding hoists, safety locks and electric cabinets in the unit hanging basket frame bodies, adjusting the safety locks and travel switch contacts in the electric cabinets, and ensuring that the switching reaction is practical and reliable;

step D, then lifting the unit basket body:

every two hanging point mechanisms are in one group and correspond to each unit hanging basket frame body; the bottom of a hoisting steel wire rope of each group of suspension hoisting point mechanisms is connected with two end part hoisting points, namely end part fences, of the corresponding unit hanging basket body on the ground;

installing a safety steel wire rope, a reinforcing steel wire rope and a heavy hammer, carrying out power-on inspection and complete machine trial operation, formally lifting the hanging basket frame body of the unit after acceptance, and starting an electric cabinet to carry out slow lifting; the lifting height of each unit hanging basket support body depends on the distance between the platform operation surface and the bottom outer decorative surface of the aerial corridor structure and the floor elevation of the building structures on two sides of the aerial corridor structure, and the lifting height is based on ensuring that constructors smoothly enter the platform operation surface from the building structures on two sides and have operation space. Then sequentially lifting other unit hanging basket frame bodies according to the numbering sequence until all the unit hanging basket frame bodies are lifted completely;

step five, assembling the bridging operation platform:

step E, firstly, laying scaffold boards on the construction platform structure:

after all the unit hanging basket frame bodies are lifted in place, the scaffold plates are longitudinally and fully laid, the scaffold plates are bound and connected with the horizontal middle frame through galvanized steel wires, and when the scaffold plates are lapped, lap joints are arranged at guardrails of a hanging basket suspension platform;

step F, splicing construction of the platform splicing structure is carried out:

the longitudinal frame pipes penetrate through the longitudinal frame pipes along the longitudinal direction, the longitudinal frame pipes are sequentially connected and fixed with the hanging basket frame bodies in the same row through fasteners, then the end parts of the longitudinal frame pipes penetrate through building structures on two sides and are connected with the building structures through rooting connecting assemblies, and longitudinal reinforcing construction of a platform splicing structure is sequentially completed;

the transverse frame pipes penetrate through the transverse frame pipes along the transverse direction and are sequentially connected and fixed with the longitudinal frame pipes through fasteners, and transverse reinforcement construction of the platform splicing structure is sequentially completed;

step G, the construction of the edge protection structure is carried out again:

the protection vertical rod, the protection horizontal rod, the foot blocking plate and the dense mesh type safety net are constructed at the position of the longitudinal edge-facing side two-side construction platform, the protection vertical rod is connected with the transverse shelf pipe, the protection horizontal rod is connected with the protection vertical rod through a fastener, the protection horizontal rod is divided into an upper horizontal rod and a lower horizontal rod which are respectively a first horizontal rod and a second horizontal rod, the height of the first horizontal rod from the scaffold plate is m, the height of the second horizontal rod from the scaffold plate is m, the foot blocking plate and the dense mesh type safety net are constructed, and the construction of the operation platform structure is completed.

Step six, construction operation on the platform:

after the operation platform structure is installed and qualified in acceptance; install to the curtain aluminum plate furred ceiling of vestibule bottom, constructor stands and carries out corresponding construction on the platform, and the back is finished according to the whole installations of design to the aluminium veneer, carries out the concatenation seam of aluminium veneer and beats gluey process, because of hoist and mount wire rope all runs through the concatenation seam of aluminium veneer, for the sealed glue continuity of aluminium veneer of ensureing the rope threading position, need design in advance to beat gluey order: and (3) when a group of splicing seams are finished, removing a group of unit platforms, gluing the splicing seams at the original rope threading positions at the tops of the removed unit platforms on the adjacent unit platforms, and finishing gluing construction of the splicing seams of the suspended ceiling curtain wall after construction one by one according to the serial number sequence.

The step of platform removal in the step six is as follows:

firstly, checking the serial number of a unit platform, then gradually removing a rack pipe network and a scaffold board, descending in sequence according to the serial number of a unit hanging basket body, sequentially dropping baskets, withdrawing ropes, turning off a power supply and detaching, and after the platform is removed, adopting grouting material to plug the hoisting holes of the corridor floor slab.

Compared with the prior art, the invention has the following characteristics and beneficial effects:

according to the characteristics of the air corridor, the invention carries out the design of a targeted bridging operation platform, provides a working surface for the construction of the bottom external decoration of the air corridor and the like, ensures the operation safety and reduces the construction cost. It has the following characteristics:

1. the whole detachable connection structure that is of operation platform guarantees the convenience of installation, has solved the big problem of the material transportation and the staff installation operation degree of difficulty, and structural design is reasonable, is applicable to the high altitude and strides corridor bottom furred ceiling construction greatly.

2. The operation platform utilizes current hanging flower basket to suspend platform formation unit platform in midair, make full use of current vestibule structure characteristics, reserve the hole for hoist on the vestibule floor, carry out vertical independent rooting of unit platform, every hole site is arranged and is used for hoisting the fixed hoisting point of operation platform, wherein the hole site is arranged and is arranged the design and suit with aluminum plate's piece, subaerial unit platform passes the hole for hoist and mount through hoist and mount wire rope and is connected with it, progressively promote each unit platform until the elevation unanimity, the hole site design can guarantee its hoist and mount in-process wire rope hangs the stability of vertical atress from the hole site, make the operation platform can freely rise and descend, progressively promote to assemble and target in place, make things convenient for follow-up aluminum plate whole to beat simultaneously and glue the construction.

3. The operation platform utilizes the building structure of current both sides to solve operation platform's whole horizontal stress, through scaffold board lay, the whole of shelf pipe network draws in the platform mosaic structure to connect and the connection of shelf pipe and current building structure, forms holistic atress system, connects unit platform as an organic whole, forms safe, reliable work platform, guarantees to pass power in the horizontal direction and has ensured the security of furred ceiling construction overall process, and the atress is reasonable. Face limit protective structure and reliably be connected with unit platform, provide air vestibule bottom curtain furred ceiling construction working face and safety protection's function.

4. The suspended ceiling construction water flowing section is divided in the whole construction process, after construction of each water flowing section is completed, unloading is gradually carried out, and the suspension platform gradually falls to the ground.

5. The disturbance to the use function of the existing building is avoided, and the problem that the installation of the aluminum plate at the bottom of the corridor is influenced by adverse factors such as limited space at the bottom of the corridor is solved.

6. The invention overcomes the defects of poor adaptability, low operability, large material transportation difficulty, low work efficiency and the like when the full-hall support or the crank arm overhead working truck is adopted to carry out corridor ceiling construction, solves the problems of difficult material transportation and work attendance of workers, and can directly enter buildings at two sides from a platform. This application has reduced artifical scaffold operation and mechanical expense of setting up, has simplified aerial vestibule curtain furred ceiling installation operation, has saved platform shift expense and partial labour cost, has shortened construction period, has reduced the potential safety hazard. Meanwhile, the operation on the platform is convenient, the platform runs stably, and the mounting quality of the curtain wall ceiling is guaranteed; the cost of a single project can be saved by about 20%. After the platform is disassembled, the hanging basket suspension platform can still be used in a circulating way, and the hanging basket suspension platform has wide popularization and application values in the outer decoration engineering at the bottom of the high-altitude corridor, achieves the aims of construction period, quality and safety, and obtains obvious economic and social benefits.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic view of the arrangement position structure of the present invention.

Figure 2 is a schematic plan view of the unit basket body.

Fig. 3 is a partially enlarged view of a portion a of fig. 1.

Fig. 4 is a partially enlarged view of fig. 3.

Figure 5 is an enlarged view of a portion of the basket body of figure 4.

Figure 6 is an enlarged view of a single basket body of figure 3.

Fig. 7 is a schematic diagram of the lateral side view structure of fig. 3.

Fig. 8 is a partially enlarged view of fig. 7.

Figure 9 is an enlarged view of a portion of the suspended ceiling mechanism of figure 8.

Figure 10 is an enlarged view of a portion of the basket body of figure 9.

Fig. 11 is a schematic plan view of the clasping column of the rooting connecting assembly in fig. 4.

Fig. 12 is a side view structural schematic diagram of a second embodiment of a rooting connection assembly.

Fig. 13 is a side view structural schematic diagram of a third embodiment of a rooting connection assembly.

Fig. 14 is a schematic plan view of an aluminum single plate.

Reference numerals are as follows: 1-aerial corridor structure, 11-main structure, 12-corridor floor slab, 13-hoisting hole, 2-unit hanging basket frame body, 21-upright post, 22-horizontal bottom frame, 23-horizontal middle frame, 24-horizontal top frame, 25-diagonal brace, 26-end fence, 27-unit guardrail upright post, 3-suspension hoisting point mechanism, 31-floor load-free structure, 311-counterweight block, 312-hanging pipe, 313-hoisting buffer skid, 32-hoisting steel wire rope, 33-hoisting steel wire rope clamp, 4-scaffold board, 5-aluminum veneer, 51-edge rectangular board, 52-diamond board, 6-scaffold pipe network, 61-longitudinal scaffold pipe, 62-transverse scaffold pipe, 7-rooting connecting component, 71-upright post, 72-rooting cross rod, 73-top fixed connecting component, 74-bottom fixed connecting component, 75-column-holding cross rod, 8-edge protective structure, 81-face protective structure, 82-protective horizontal rod, upright post 83-blocking board, 9-joint position, 10-building structure, 101-upper floor slab, 101-floor slab structure, 103-lower floor slab structure, 103-upper floor slab structure, 106-lower floor slab structure, and building convex beam structure.

Detailed Description

Referring to the embodiments shown in fig. 1-3, two buildings are directly connected by a steel structure air corridor at the top layer, namely, the position with the elevation of 50m, the longitudinal span of the corridor is about 16m, the transverse span is 19m, and the exterior of the bottom of the corridor is decorated by curtain wall aluminum plate suspended ceilings. The curtain wall suspended ceiling adopts the fixed design of materials such as primary and secondary fossil fragments, heat preservation rock wool, aluminium veneer.

This kind of an operation platform structure for installation of high altitude vestibule bottom furred ceiling connects in aerial vestibule structure 1's below, is close to between the floor height of both sides building structure 10, aerial vestibule structure 1 is greater than 50m apart from the elevation on ground, and wherein the direction of intercommunication both sides building structure 10 is aerial vestibule structure 1 vertical, and perpendicular fore-and-aft direction is horizontal, aerial vestibule structure 1 includes main structure 11 and sets up vestibule floor 12 on main structure 11.

The operation platform structure comprises a construction platform structure, a platform splicing structure and an edge protection structure 8, and is shown in figure 2, wherein the construction platform structure is formed by splicing a group of unit platforms.

Referring to fig. 3-10, the unit platform includes a unit basket body 2, a hanging point mechanism 3, a power lift system and a scaffold board 4.

Referring to fig. 2, unit hanging flower basket support body 2 is full hall equal altitude arrangement in the within range of vestibule floor 12, arranges the form for longitudinal separation becomes row, transverse separation in a row, hang two liang of settings in groups of hoisting point mechanism 3, every group corresponds the both ends that set up at unit hanging flower basket support body 2 and lifts by crane the position perpendicularly, and it has hoisting hole 13 to hang to open on the vestibule floor 12 position that hoisting point mechanism 3 corresponds, and the high altitude vestibule aluminum plate furred ceiling of treating the installation is the aluminum sheet layer that is formed by the concatenation of aluminum veneer 5, the position of hoisting hole 13 avoids aluminum veneer 5 itself, all sets up in the piece position of aluminum veneer 5.

Referring to fig. 14, the aluminum single plate 5 includes an edge rectangular plate 51 and a diamond plate 52, the edge rectangular plate 51 is arranged along a periphery of the corridor floor 12, the diamond plate 52 is arranged inside the edge rectangular plate 51 and connected with the edge rectangular plate 51, and the joint positions 9 of the lifting holes 13 on the aluminum single plate 5 include joints between the edge rectangular plate 51 and the diamond plate 52 and joints between the diamond plates. In this embodiment, the lifting hole 13 is formed around the obtuse angle of the rhombic plate at the seam position on the rhombic plate 52.

Referring to fig. 4-10, the unit basket body 2 includes columns 21, and further includes horizontal frames which are layered along the columns 21 and are fixedly connected to the columns 21, each horizontal frame includes a horizontal bottom frame 22 connected to the bottom of the column 21, a horizontal middle frame 23 connected to the middle of the column 21, and a horizontal top frame 24 connected to the top of the column 21, the horizontal bottom frame 22 and the horizontal middle frame 23 in the same vertical plane are fixedly connected to each other through diagonal rods 25, the horizontal middle frame 23 and the horizontal top frame 24 form a unit guardrail of the unit basket body 2, unit guardrail vertical rods 27 can be further added to the unit guardrails, and end fences 26 are detachably connected to the two transverse ends of the unit basket body 2.

Referring to fig. 4, 6, and 7-9, the suspended lifting point mechanism 3 includes a floor load-free structure 31, a lifting steel cable 32, and a lifting steel cable clamp 33.

The floor load-free structure 31 comprises a balancing weight 311, a hanging pipe 312 and a lifting buffer skid 313, wherein the balancing weight 311 is symmetrically arranged on the upper side of the corridor floor 12 around the upper side of the lifting hole 13, two ends of the hanging pipe 312 are respectively lapped on the balancing weight 311 on two sides, the balancing weight 311 is padded between the hanging pipe 312 and the corridor floor 12, the lifting buffer skid 313 is arranged on the top surface of the hanging pipe 312, and the lifting steel wire rope 32 penetrates through the lifting hole 13 and is hung on the hanging pipe 312 and the lifting buffer skid 313 through the balancing weight 311.

The load-free structure 31 of the floor is placed on the upper side surface of the corridor floor 12 around the lifting hole 13, the top of the lifting steel wire rope 32 penetrates through the lifting hole 13 to be bent around and suspended on the load-free structure 31 of the floor, the top of the lifting steel wire rope 32 is bent around and fixed through the lifting steel wire rope clamp 33, the bottom of the lifting steel wire rope 32 is connected with the top of the end fence 26, and the lifting height of the unit hanging basket frame body 2 is adjusted by arranging a power lifting system inside.

The power lifting system comprises a lifter, a safety lock, an electric cabinet, a safety steel wire rope, a reinforced steel wire rope and a heavy hammer.

As shown in fig. 4 to 10, the scaffold boards 4 are laid on the upper side of the horizontal center frames 23 of the same row along the longitudinal direction throughout the extent of the gallery floor 12.

The platform splicing structure comprises a frame pipe network 6 detachably connected with the unit hanging basket bodies 2 and rooting connecting assemblies 7 detachably connected with the building structures 10 on the two sides, wherein the frame pipe network 6 is composed of longitudinal frame pipes 61 and transverse frame pipes 62, the frame pipes in each direction are respectively arranged in parallel at equal intervals, the longitudinal frame pipes 61 are inserted between the horizontal middle frames 23 and the inclined supporting rods 25 and detachably connected with the bottom surfaces of the horizontal middle frames 23, the transverse frame pipes 62 are inserted into gaps between the two adjacent rows of unit hanging basket bodies 2 and are vertically arranged and detachably connected with the longitudinal frame pipes 61, the rooting connecting assemblies 7 are arranged in one-to-one correspondence with the longitudinal frame pipes 61, and the longitudinal frame pipes 61 are detachably connected with the building structures 10 on the two sides through the rooting connecting assemblies 7.

Referring to fig. 2, 4 and 11, the rooting connecting assembly 7 comprises a rooting upright rod 71, a rooting cross rod 72, a top fixed connecting piece 73 and a bottom fixed connecting piece 74, the rooting upright rod 71 is arranged in the story height of the building structure 10, namely between an upper floor 101 and a lower floor 102, the top of the rooting upright rod 74 is fixedly connected with an upper floor beam 103, and the bottom of the rooting upright rod 74 is fixedly connected with a lower floor beam 104.

The rooting transverse rod 72 is propped against the inner side of the rooting upright rod 71 and is close to the end part of the longitudinal frame tube 61, each end part of the longitudinal frame tube 61 is respectively detachably connected with the rooting transverse rod 72 to ensure that each longitudinal frame tube 61 is connected into a whole,

referring to figure 12, wherein the top of the rooting upright 71 abuts the inside of the upper floor beam 103 and is connected thereto by a top fixed connector 73, and the bottom of the rooting upright 71 abuts the inside of the lower floor beam 104 and is connected thereto by a bottom fixed connector 74. Referring to fig. 13, alternatively, the bottom surface of the upper floor beam 103 and the top surface of the lower floor beam 104 are provided with a locking protrusion structure 106, the corresponding position of the rooting upright rod 71 is provided with a locking groove adapted to the locking protrusion structure 106, and the locking protrusion structure 106 is locked in the locking groove.

Referring to fig. 2 and 4, the rooting connecting assembly 7 comprises a holding column cross bar 75, the longitudinal frame tube 61 extends towards the interior of the building structure 10 and is connected with a holding column 105 of the building structure in the story height of the building structure 10, namely between the upper floor 101 and the lower floor 102, the holding column is positioned at the bottom of the building structure column 105, and the holding column cross bar 75 is respectively arranged at two sides of the building structure column 105 and is fixedly connected with the end part of the longitudinal frame tube 61 to form a holding frame.

Referring to fig. 2, 4-8 and 10, the edge protection structures 8 are arranged on two longitudinal edge sides and comprise a planar frame structure, foot blocking plates 83 and dense mesh type safety nets, the planar frame structure comprises protection vertical rods 81 and protection horizontal rods 82, the protection vertical rods 81 and the transverse frame pipes 62 are arranged in a one-to-one correspondence manner, the bottoms of the protection vertical rods 81 are detachably or fixedly connected with the transverse frame pipes 62 at the longitudinal edge positions, the protection horizontal rods 82 are arranged in the longitudinal full length range of the corridor floor slab 12 and detachably connected with the protection vertical rods 81, the foot blocking plates 83 are arranged on the inner sides of the planar frame structure, and the dense mesh type safety nets are covered and hung on the inner sides or the outer sides of the planar frame structure.

The construction method of the operation platform structure for mounting the suspended ceiling at the bottom of the overhead corridor comprises the following construction steps:

step one, designing and manufacturing a platform:

step A, referring to relevant standards of a scaffold for operation load, firstly, carrying out stress calculation on an operation platform structure according to load design: the load design comprises the dead weight of the operation platform structure, the load of the operation personnel and construction appliance materials and the wind load, and the stress calculation comprises the stress checking calculation of the hoisting steel wire rope 32 and the hanging point mechanism 3.

And B, manufacturing the structure of the operation platform: wherein the preparation size of construction platform structure suits with vestibule floor 12's size, then confirms the size of every unit hanging flower basket support body 2 and the horizontal and vertical two-way interval and the form of arranging of unit hanging flower basket support body 2 according to the size on aluminium slab layer, numbers unit hanging flower basket support body 2.

In this embodiment, unit hanging flower basket support body 2 can set up to standard hanging flower basket size be 6000mm for length promptly, and the width is 700mm, highly is 1100mm, also can combine actual conditions to adjust platform size specification, and stand and underframe all adopt the square steel pipe preparation during the preparation. At this moment, the distance between two adjacent unit hanging flower basket support bodies 2 of vertical two is 800mm, and the distance between two adjacent unit hanging flower basket support bodies 2 of same row horizontal is 200mm, therefore whole construction platform structure sets up three rows, eleven rows altogether, 33 unit hanging flower basket support bodies 2 altogether.

Step two, reserving a hoisting hole 13:

drawing a splicing and sewing graph of the aluminum single plate 5 in a plan view of the air corridor structure 1 according to the dividing form of the aluminum single plate 5; marking hole positions of the hoisting holes 13 on a plane drawing according to the size of the unit hanging basket frame body 2, drawing a layout drawing of the hoisting holes 13, numbering the hole positions to enable the hole positions to be matched with the aluminum single plates 5, and reserving the hole positions in the construction process of the corridor floor slab 12 according to the layout drawing of the hole positions;

the aperture of the hoisting hole 13 should ensure that the hoisting steel wire rope 32 smoothly runs through, and the central point of each hole should be at the position of the abutted seam line of the aluminum veneer 5 to ensure that the hoisting steel wire rope 32 vertically runs through the hoisting hole 13 and the abutted seam of the aluminum veneer 5.

Therefore, the distance between two vertical adjacent hoisting holes 13 is 700mm +800mm =1500mm, the distance between the hoisting holes 13 at two ends of the same two unit basket frame bodies 2 is equal to the length of the unit basket frame body 2, i.e. 6000m, and the distance between two horizontal adjacent unit basket frame bodies 2, i.e. the distance between the unit basket frame bodies 2, is 200mm.

Step three, installing the suspension lifting point mechanism 3:

each hole site is provided with a suspension lifting point mechanism 3, the top of a lifting steel wire rope 32 bypasses a hanging pipe 312 and a lifting buffer skid 313 and is fixed by a steel wire rope clamp 33, and generally not less than 4. Hoist and mount wire rope 32 need not to set up safe curved, fills up between hanging pipe 312 and vestibule floor 12 and establishes counterweight 311, avoids hoist and mount in-process load direct transmission to vestibule floor 12 on. In this embodiment, the weight of the counterweight 311 is 25kg, the diameter of the steel wire rope is 8.3mm, the splicing length of the steel wire rope is 20 times larger than the diameter of the steel wire rope, the size of the hoisting buffer skid 313 is 5mm × 10mm, and the hanging pipe 312 is a square steel pipe with the size of 70mm × 70mm × 5mm.

Wherein, when the distance of two horizontal adjacent unit hanging flower basket support bodies 2 was when the distance between the unit hanging flower basket support body 2 was 200mm, two hoistingholes can enlarge the size of hanging hoisting point mechanism 3 because the distance is nearer, then two hoistingholes use the bigger hanging hoisting point mechanism 3 of same size.

In this embodiment, the hanging pipe 312 and the lifting buffer skid 313 are both arranged transversely, two adjacent lifting holes in the transverse direction adopt three groups of balancing weights 311, the gap between the balancing weights 311 aligns with the lifting holes, and then the hanging pipe 312 crosses the three groups of balancing weights 311; two ends of the steel wire rope are erected on the two groups of balancing weights 311 on the outermost side, the middle of the steel wire rope is arranged on the balancing weight 311 in the center, and the steel wire ropes of the two adjacent unit hanging basket bodies 2 respectively pass through the two hoisting holes to be hung with the hanging pipe 312 and the hoisting buffer skid 313.

Step four, installing each unit hanging basket frame body 2:

step C, firstly arranging the unit basket body 2 on the ground:

according to the size of construction platform structural design, keep each unit hanging flower basket support body 2 according to horizontal and vertical two-way interval and the form of arranging of unit hanging flower basket support body 2 subaerial, then install corresponding lifting machine, safety lock and electric cabinet in each unit hanging flower basket support body 2, adjusted the travel switch contact in safety lock and the electric cabinet, guaranteed that the switching reaction is reliable and practical.

Step D, then lifting the unit basket body 2:

every two hanging point mechanisms 3 are in a group and correspond to the hanging basket frame bodies 2 of all the units; the bottom of the hoisting steel wire rope 32 of each group of suspension hoisting point mechanisms 3 is connected with two end part hoisting points, namely end part fences 26, of the corresponding unit hanging basket body 2 on the ground;

installing a safety steel wire rope, a reinforcing steel wire rope and a heavy hammer, carrying out power-on inspection and test operation of the whole machine, formally lifting the hanging basket frame body 2 of the unit after acceptance, and starting an electric cabinet to carry out slow lifting; the lifting height of each unit hanging basket support body 2 depends on the distance between the platform operation surface and the bottom outer decorative surface of the overhead corridor structure 1 and the floor elevation of the building structures 10 on two sides of the overhead corridor structure 1, and the lifting height is based on ensuring that constructors smoothly enter the platform operation surface from the building structures 10 on two sides and have operation space. And then sequentially lifting other unit hanging basket frame bodies 2 according to the number sequence until all the unit hanging basket frame bodies 2 are lifted.

Step five, assembling the bridging operation platform:

step E, firstly, laying the scaffold boards 4 on the construction platform structure:

after all unit hanging flower basket support body 2 promoted to target in place, vertically spread scaffold board 4, with galvanized steel wire with

scaffold board

4 and 23 ligature connections of horizontal center, when the overlap joint between scaffold board 4, overlap joint's position arrange in unit hanging flower basket support body width within range optional position can to it is unsettled to avoid the overlap joint position.

In this embodiment, the size of the scaffold board is 6m in length and 50mm in thickness.

the longitudinal frame pipe 61 penetrates through the longitudinal frame pipe 61 along the longitudinal direction, the longitudinal frame pipe 61 is sequentially connected and fixed with the same-row unit hanging basket bodies 2 through fasteners, and then when the end part of the longitudinal frame pipe 61 penetrates to the building structures 10 on two sides, the longitudinal frame pipe is connected with the building structures 10 through the rooting connecting assembly 7, so that longitudinal reinforcement construction of the platform splicing structure is sequentially completed;

the transverse frame pipe 62 penetrates through the transverse frame pipe 62 along the transverse direction, and is sequentially connected and fixed with the longitudinal frame pipe 61 through fasteners, so that transverse reinforcement construction of the platform splicing structure is sequentially completed;

in the embodiment, the scaffold pipe networks are scaffold steel pipes, and the sizes are 48.3mm in diameter and 3.6mm in wall thickness.

The rooting connecting component 7 comprises a rooting vertical rod 71, a rooting transverse rod 72, a top fixing connecting piece 73 and a bottom fixing connecting piece 74, wherein the rooting vertical rod 71 is a square steel pipe, and the rooting transverse rod 72 is a scaffold steel pipe.

And G, constructing the edge protection structure again:

construct at vertical limit both sides construction platform and face limit position protection pole setting 81, protection horizon bar 82, keep off sole 83 and close mesh formula safety net, will protect pole setting 81 and horizontal rack pipe 62 and be connected, will protect horizon bar 82 and protect pole setting 81 and pass through the fastener and be connected, protection horizon bar 82 is total twice from top to bottom, be first horizon bar and second horizon bar respectively, first horizon bar is 0.6m apart from the height of scaffold board 4, the second is said the horizon bar and is 1.2m apart from the height of scaffold board 4, then construction fender sole 83 and close mesh formula safety net, accomplish the construction of operation platform structure.

In this embodiment, the vertical protection rods 81 and the horizontal protection rods 82 are also scaffold steel tubes, and have the size of 48.3mm in diameter × 3.6mm in wall thickness. In this embodiment, the number of the transverse frame tubes 62 is set, and the transverse frame tubes need to be arranged in one-to-one correspondence with the protection vertical rods 81. The end fence is a vertical plane frame body larger than the unit platform in size, is also provided with an end upright post and an end cross rod, and can be additionally provided with two transverse frame tubes 62 at the position of the end upright post.

Step six, construction operation on the platform:

after the operation platform structure is installed and qualified in acceptance; install to the curtain aluminum plate furred ceiling of vestibule bottom, constructor stands and carries out corresponding construction on the platform, and aluminium veneer 5 finishes according to the whole installations of design back, carries out the concatenation seam of aluminium veneer 5 and beats the process of gluing, because of hoist and mount wire rope 32 all runs through the concatenation seam of aluminium veneer 5, for the sealed gluey continuity of aluminium veneer 5 who ensures the rope threading position, need design in advance and beat the gluey order: and (3) when a group of splicing seams are finished, removing a group of unit platforms, gluing the splicing seams at the original rope threading positions at the tops of the removed unit platforms on the adjacent unit platforms, and finishing gluing construction of the splicing seams of the suspended ceiling curtain wall after construction one by one according to the serial number sequence.

The step of platform removal in the step six is as follows:

firstly, the serial number of a unit platform is verified, then a rack pipe network 6 and a scaffold board 4 are gradually dismantled, the unit hanging basket 2 descends in sequence according to the serial number, basket falling, rope withdrawing, power supply turning-off and dismantling are sequentially carried out, and in the whole platform dismantling process, technical and safe replacement needs to be carried out on operating workers in advance. When the disassembly is carried out, a specially-assigned person is required to take charge of commanding, and a warning line is arranged in the disassembly range to prevent personnel from intruding to cause safety accidents. The dismantling personnel should wear the safety belt, strictly forbid throwing away the platform component downwards, and after the platform is dismantled, adopt grout shutoff vestibule floor 12's hole for hoist 13.

The steel pipes are detachably connected, and the steel pipes are connected by fasteners.

Claims

1. The utility model provides a work platform structure that is used for high altitude vestibule bottom furred ceiling to install which characterized in that: is connected below the air corridor structure (1) and between the floor heights close to the building structures (10) at two sides, wherein the direction for communicating the building structures (10) at two sides is the longitudinal direction of the air corridor structure (1), the direction vertical to the longitudinal direction is the transverse direction, the air corridor structure (1) comprises a main structure (11) and a corridor floor slab (12) arranged on the main structure (11),

the operation platform structure comprises a construction platform structure, a platform splicing structure and an edge protection structure (8), wherein the construction platform structure is formed by splicing a group of unit platforms,

the unit platform comprises a unit hanging basket frame body (2), a hanging point mechanism (3), a power lifting system and a scaffold board (4),

the unit hanging basket support bodies (2) are arranged at full height in the range of the corridor floor (12) at the same time, the arrangement mode is that the units are arranged in rows at longitudinal intervals and are arranged at transverse intervals in rows, every two hanging point mechanisms (3) are arranged in groups, each group is correspondingly arranged at the vertical hoisting positions at the two ends of the unit hanging basket support body (2), hoisting holes (13) are formed in the positions, corresponding to the hanging point mechanisms (3), of the corridor floor (12), the high-altitude corridor ceiling to be installed is an aluminum plate layer formed by splicing aluminum veneers (5), the positions of the hoisting holes (13) avoid the aluminum veneers (5) and are all arranged at the splicing positions of the aluminum veneers (5),

the unit hanging basket frame body (2) comprises upright columns (21), and further comprises horizontal frames which are arranged along the upright columns (21) in a layered mode and fixedly connected with the upright columns, each horizontal frame comprises a horizontal bottom frame (22) connected with the bottoms of the upright columns (21), a horizontal middle frame (23) connected with the middle parts of the upright columns (21) and a horizontal top frame (24) connected with the tops of the upright columns (21), the horizontal bottom frames (22) and the horizontal middle frames (23) in the same upright plane are fixedly connected through inclined supporting rods (25), the horizontal middle frames (23) and the horizontal top frames (24) form unit guardrails of the unit hanging basket frame body (2), the end fence (26) is detachably connected with the two transverse ends of the unit hanging basket frame body (2) respectively,

the suspension lifting point mechanism (3) comprises a floor load-free structure (31), a lifting steel wire rope (32) and a lifting steel wire rope clamp (33), the floor load-free structure (31) is arranged on the upper side surface of a corridor floor (12) around a lifting hole (13), the top of the lifting steel wire rope (32) penetrates through the lifting hole (13) to be wound and suspended on the floor load-free structure (31), the top of the lifting steel wire rope (32) is fixed by the lifting steel wire rope clamp (33), the bottom of the lifting steel wire rope (32) is connected with the top of an end fence (26), the lifting height of the unit hanging basket body (2) is adjusted by arranging a power lifting system inside the unit hanging basket body,

the scaffold boards (4) are fully paved on the upper sides of the horizontal middle frames (23) in the same row along the longitudinal direction in the range of the corridor floor (12),

the platform splicing structure comprises a frame pipe network (6) detachably connected with unit hanging basket bodies (2) and rooting connecting components (7) detachably connected with building structures (10) on two sides, wherein the frame pipe network (6) consists of longitudinal frame pipes (61) and transverse frame pipes (62), the frame pipes in each direction are respectively arranged in parallel at equal intervals, the longitudinal frame pipes (61) are inserted between a horizontal middle frame (23) and an inclined strut (25) and are detachably connected with the bottom surface of the horizontal middle frame (23), the transverse frame pipes (62) are inserted into gaps between two adjacent rows of unit hanging basket bodies (2), are vertically arranged with the longitudinal frame pipes (61) and are detachably connected with the longitudinal frame pipes (61), the transverse frame pipes (62) are positioned on the lower sides of the longitudinal frame pipes (61), the rooting connecting components (7) are arranged in one-to-one correspondence with the longitudinal frame pipes (61), and detachably connect the longitudinal frame pipes (61) with the building structures (10) on two sides through the rooting connecting components (7),

face limit protection architecture (8) and set up and vertically face the limit both sides, including plane support body structure, fender sole (83) and close mesh formula safety net, plane support body structure is including protection pole setting (81) and protection horizontal pole (82), protection pole setting (81) and horizontal frame pipe (62) one-to-one setting, and the bottom of protection pole setting (81) is vertically facing limit position and horizontal frame pipe (62) can be dismantled and be connected or fixed connection, protection horizontal pole (82) are vertically led to the length setting in the scope of vestibule floor (12), can dismantle with protection pole setting (81) and be connected, fender sole (83) set up the inboard at plane support body structure, close mesh formula safety net covers and hangs in the inboard or the outside of plane support body structure.

2. A work platform structure for installation of a suspended ceiling at the bottom of an aerial gallery according to claim 1, characterized in that: aluminium veneer (5) are including edge rectangular plate (51) and diamond plate (52), edge rectangular plate (51) are closed along the edge of vestibule floor (12) a periphery and are arranged, diamond plate (52) are arranged in the inside of edge rectangular plate (51), are connected with edge rectangular plate (51), splice joint position (9) of hole for hoist (13) on aluminium veneer (5) include the splice joint between edge rectangular plate (51) and diamond plate (52) and the splice joint between the diamond plate.

3. A work platform structure for installation of a suspended ceiling at the bottom of an aerial gallery according to claim 2, characterized in that: the hoisting holes (13) are formed around the obtuse angle of the rhombic plates at the abutted seam positions on the rhombic plates (52).

4. A work platform structure for installation of a suspended ceiling at the bottom of an aerial gallery according to claim 3, characterized in that: the rooting connecting component (7) comprises a rooting vertical rod (71), a rooting transverse rod (72), a top fixed connecting piece (73) and a bottom fixed connecting piece (74), the rooting vertical rod (71) is arranged in the story height of the building structure (10), namely between an upper floor (101) and a lower floor (102), the top of the rooting vertical rod (74) is fixedly connected with an upper floor beam (103), the bottom of the rooting vertical rod (74) is fixedly connected with a lower floor beam (104),

the rooting transverse rod (72) is propped against the inner side of the rooting upright rod (71) and is close to the end part of the longitudinal frame tube (61), each end part of the longitudinal frame tube (61) is respectively detachably connected with the rooting transverse rod (72) to ensure that each longitudinal frame tube (61) is connected into a whole,

the top of the rooting vertical rod (71) abuts against the inner side of the upper-layer floor beam (103) and is connected with the inner side of the upper-layer floor beam through a top fixed connecting piece (73), the bottom of the rooting vertical rod (71) abuts against the inner side of the lower-layer floor beam (104) and is connected with the inner side of the lower-layer floor beam through a bottom fixed connecting piece (74), or clamping convex structures (106) are arranged on the bottom surface of the upper-layer floor beam (103) and the top surface of the lower-layer floor beam (104), clamping grooves matched with the clamping convex structures (106) are arranged at corresponding positions of the rooting vertical rod (71), and the clamping convex structures (106) are clamped in the clamping grooves.

5. A work platform structure for installation of a suspended ceiling at the bottom of an aerial gallery according to claim 3, characterized in that: the rooting connecting assembly (7) comprises a holding column cross rod (75), the longitudinal frame tube (61) extends towards the inside of the building structure (10) and is connected with a holding column of the building structure column (105) between the floor height of the building structure (10), namely the upper floor (101) and the lower floor (102), the holding column is positioned at the bottom of the building structure column (105), and the holding column cross rod (75) is respectively arranged on two sides of the building structure column (105) and is fixedly connected with the end part of the longitudinal frame tube (61) to form a holding frame.

6. A work platform structure for installation of a suspended ceiling at the bottom of an aerial gallery according to claim 4 or 5, characterized in that: the floor load-free structure (31) comprises balancing weights (311), hanging pipes (312) and hoisting buffer skids (313), wherein the balancing weights (311) are symmetrically arranged on the upper side of a corridor floor (12) on the periphery of the upper portion of a hoisting hole (13), two ends of each hanging pipe (312) are respectively lapped on the balancing weights (311) on two sides, the balancing weights (311) are arranged between the hanging pipes (312) and the corridor floor (12), the hoisting buffer skids (313) are arranged on the top surfaces of the hanging pipes (312), and hoisting steel wire ropes (32) penetrate through the hoisting hole (13) and are hung on the hanging pipes (312) and the hoisting buffer skids (313) through the balancing weights (311).

7. A work platform structure for installation of a suspended ceiling at the bottom of an aerial gallery according to claim 6, characterized in that: the power lifting system comprises a lifter, a safety lock, an electric cabinet, a safety steel wire rope, a reinforcing steel wire rope and a heavy hammer.

8. A construction method of the working platform structure for the installation of the suspended ceiling at the bottom of the high-altitude corridor according to claim 7, characterized by comprising the following construction steps:

step one, designing and manufacturing a platform:

step A, firstly, carrying out stress calculation on the structure of the operation platform according to load design: the load design comprises the self weight of the operation platform structure, the load of operation personnel and construction equipment materials and wind load, and the stress calculation comprises the stress checking calculation of a hoisting steel wire rope (32) and a suspension hoisting point mechanism (3);

and B, manufacturing the structure of the operation platform: the manufacturing size of the construction platform structure is matched with the size of a corridor floor (12), then the size of each unit hanging basket frame body (2) and the transverse-longitudinal bidirectional spacing and arrangement form of the unit hanging basket frame bodies (2) are determined according to the size of the aluminum plate layer, and the unit hanging basket frame bodies (2) are numbered;

step two, reserving a hoisting hole (13):

drawing a patchwork drawing of the aluminum single plate (5) in a plan view of the air corridor structure (1) according to the cellular form of the aluminum single plate (5); marking hole positions of the hoisting holes (13) on a plane drawing according to the size of the unit hanging basket frame body (2), drawing an arrangement drawing of the hoisting holes (13), numbering the hole positions to enable the hole positions to be matched with the aluminum veneer (5), and reserving the hole positions in the construction process of the corridor floor slab (12) according to the hole position arrangement drawing;

the aperture of each hoisting hole (13) is required to ensure that the hoisting steel wire rope (32) smoothly penetrates through the hole, and the central point of each hole is required to be positioned at the seam splicing line of the aluminum veneer (5) so as to ensure that the hoisting steel wire rope (32) vertically penetrates through the hoisting holes (13) and the seam splicing of the aluminum veneer (5);

step three, installing a hanging point mechanism (3):

each hole site is provided with a suspension lifting point mechanism (3), the top of a lifting steel wire rope (32) bypasses a hanging pipe (312) and lifts a buffer skid (313) and is fixed by a steel wire rope clamp (33), the lifting steel wire rope (32) does not need to be provided with a safety bend, and a counterweight (311) is arranged between the hanging pipe (312) and a corridor floor slab (12);

step four, installing each unit hanging basket frame body (2):

step C, firstly arranging a unit hanging basket body (2) on the ground:

according to the structural design size of the construction platform, keeping each unit hanging basket frame body (2) on the ground according to the transverse and longitudinal bidirectional spacing and arrangement form of the unit hanging basket frame bodies (2), then installing corresponding hoists, safety locks and electric cabinets in each unit hanging basket frame body (2), adjusting the safety locks and travel switch contacts in the electric cabinets, and ensuring the switch reaction to be practical and reliable;

step D, then lifting the unit basket body (2):

every two hanging point mechanisms (3) are in a group and correspond to the hanging basket frame bodies (2) of each unit; the bottom of a hoisting steel wire rope (32) of each group of suspension hoisting point mechanisms (3) is connected with two end part hoisting points, namely end part fences (26), of the corresponding unit hanging basket frame body (2) on the ground;

installing a safety steel wire rope, a reinforcing steel wire rope and a heavy hammer, carrying out power-on inspection and test operation of the whole machine, formally lifting a hanging basket frame body (2) of the unit after acceptance, and starting an electric cabinet to carry out slow lifting; the lifting height of each unit hanging basket body (2) depends on the distance between the platform operation surface and the bottom outer decorative surface of the aerial corridor structure (1) and the floor elevation of the building structures (10) at two sides of the aerial corridor structure (1), the lifting height is based on ensuring that constructors can smoothly enter the platform operation surface from the building structures (10) at two sides and have operation space,

then sequentially lifting other unit hanging basket frame bodies (2) according to the numbering sequence until all the unit hanging basket frame bodies (2) are lifted;

step five, assembling the bridging operation platform:

step E, firstly, paving the scaffold boards (4) on the construction platform structure:

after all the unit hanging basket bodies (2) are lifted in place, the scaffold boards (4) are longitudinally laid, the scaffold boards (4) are bound and connected with the horizontal middle frame (23) by galvanized steel wires,

longitudinally penetrates through a longitudinal frame pipe (61), the longitudinal frame pipe (61) is sequentially connected and fixed with the same-row unit hanging basket bodies (2) through fasteners, and then when the end part of the longitudinal frame pipe (61) penetrates through building structures on two sides, the longitudinal frame pipe is connected with the building structures through a rooting connecting assembly, so that longitudinal reinforcement construction of a platform splicing structure is sequentially completed;

the transverse frame sub-pipe (62) penetrates in the transverse direction, and is sequentially connected and fixed with the longitudinal frame sub-pipe (61) through fasteners, so that transverse reinforcement construction of the platform splicing structure is sequentially completed;

and G, constructing the edge protection structure again:

protection pole setting (81) is faced limit position construction at vertical limit both sides construction platform, protection horizon bar (82), fender sole (83) and close mesh formula safety net, will protect pole setting (81) and horizontal shelf pipe (62) and be connected, will protect horizon bar (82) and pass through the fastener with protection pole setting (81) and be connected, protection horizon bar (82) are two way from top to bottom in total, be first horizon bar and second horizon bar respectively, first horizon bar is 0.6m apart from scaffold board (4) highly, the second is said the horizon bar and is 1.2m apart from scaffold board (4) highly, then construction fender sole (83) and close mesh formula safety net, accomplish the construction of operation platform structure.

9. The method of constructing a work platform structure for installation of an overhead gallery floor ceiling as claimed in claim 8, wherein:

step six, construction operation on the platform:

after the installation of the operation platform structure is completed and the operation platform structure is qualified in acceptance; install to the curtain aluminum plate furred ceiling of vestibule bottom, constructor stands and carries out corresponding construction on the platform, and aluminium veneer (5) finish according to the whole installations of design back, carry out the concatenation seam of aluminium veneer (5) and beat the process of gluing, because of hoist and mount wire rope (32) all run through the concatenation seam of aluminium veneer (5), for the sealed glue continuity of aluminium veneer (5) of ensureing the rope threading position, need design in advance and beat the order of gluing: and (3) when a group of splicing seams are finished, removing a group of unit platforms, gluing the splicing seams at the original rope threading positions at the tops of the removed unit platforms on the adjacent unit platforms, and finishing gluing construction of the splicing seams of the suspended ceiling curtain wall after construction one by one according to the serial number sequence.

10. The method of constructing a work platform structure for installation of a suspended ceiling at the bottom of an aerial gallery according to claim 9, wherein:

the platform dismantling step in the sixth step comprises the following steps:

firstly, the serial number of a unit platform is verified, then a frame pipe network (6) and a scaffold board (4) are gradually removed, the unit hanging basket frame body (2) is sequentially descended according to the serial number, basket falling, rope withdrawing, power supply turning off and dismounting are sequentially carried out, and after the platform is removed, grouting materials are adopted to block the hoisting holes (13) of the corridor floor slab (12).