阅读说明：本技术 一种用于高空大悬挑结构的装饰工程操作平台及安拆方法 (Decoration engineering operation platform for high-altitude large cantilever structure and mounting and dismounting method ) 是由 矫贵峰 于 2020-12-30 设计创作，主要内容包括：本发明属于建筑施工领域。一种用于高空大悬挑结构的装饰工程操作平台,涉及大悬挑结构楼板和平台模板,所述大悬挑结构楼板上预留圆孔,圆孔内放置上部悬挂吊杆,使吊杆的螺纹端穿过圆孔；平台模板由平台基础模块和平台标准模块拼装而成。本发明提供的用于高空大悬挑结构的装饰工程操作平台是在装饰装修工程施工阶段,依托于高空大悬挑结构自身而重新搭设的一种轻型装饰工程操作平台。该新型装饰装修操作平台采用轻质高强的模块构件现场拼装而成,安装和拆除过程中不需要大型起重吊装设备,降低了高空安装和拆除施工的危险性及技术难度,具有工艺简单、操作方便、施工速度快、轻质高强、安装和拆除成本低、使用和维护时间短等优点。(The invention belongs to the field of building construction. A decoration engineering operation platform for a high-altitude large cantilever structure relates to a large cantilever structure floor slab and a platform template, wherein a circular hole is reserved on the large cantilever structure floor slab, an upper suspension hanger rod is placed in the circular hole, and a threaded end of the hanger rod penetrates through the circular hole; the platform template is formed by assembling a platform base module and a platform standard module. The invention provides a decoration engineering operation platform for a high-altitude large cantilever structure, which is a light decoration engineering operation platform which is erected again depending on the high-altitude large cantilever structure in the construction stage of decoration and fitment engineering. The novel decoration and fitment operation platform is formed by splicing light high-strength module components on site, does not need large-scale hoisting equipment in the installation and dismantling process, reduces the dangerousness and technical difficulty of high-altitude installation and dismantling construction, and has the advantages of simple process, convenience in operation, high construction speed, light high strength, low installation and dismantling cost, short use and maintenance time and the like.)

1. A decoration engineering operation platform for a high-altitude large cantilever structure relates to a large cantilever structure floor slab and a platform template, and is characterized in that a circular hole is reserved on the large cantilever structure floor slab, an upper suspension hanger rod is placed in the circular hole, and a threaded end of the hanger rod penetrates through the circular hole; the platform template is formed by splicing a platform base module and a platform standard module;

the platform foundation module is provided with a suspension hole, a connecting hole, an anchoring hole and a lateral connecting hole, the platform foundation module is placed on the lower floor slab of the cantilever structure, an anchoring screw penetrates through the anchoring hole of the platform foundation module and the mounting and fixing hole of the lower floor slab of the cantilever structure in sequence to be fixed, a lower suspension hanger rod penetrates through the suspension hole of the platform foundation module and is fixed, an upper suspension hanger rod and a lower suspension hanger rod are respectively connected with a flower basket screw rod, and two adjacent platform foundation modules are connected and fixed through a foundation module connecting plate;

the platform standard module is provided with a suspension hole, a connecting hole and a lateral connecting hole, and a lower suspension hanger rod penetrates into the suspension hole of the platform standard module and is fixed; the connecting screw rod sequentially penetrates through connecting holes of the platform standard module and the platform base module and is fixed; the upper suspension hanging rod and the lower suspension hanging rod are respectively connected with a flower basket screw, and two adjacent platform standard modules are fixedly connected through a standard module connecting plate;

and the lateral connecting hole of the platform module at the most edge is fixedly connected with the vertical upright rod of the protective railing.

2. The operating platform for the decoration engineering of the high-altitude large cantilever structure of claim 1, wherein one end of the platform foundation module is a flat plate shape, the other end of the platform foundation module is a step shape, one end of the flat plate shape of the platform foundation module is fixedly connected with the main body structure, and the step shape is overlapped with the platform standard module; the two ends of the platform standard module are stepped, and the stepped parts of the platform standard module are matched with the stepped parts of the lap joint parts of the adjacent platform standard modules or the platform basic modules.

3. The decoration engineering operation platform for the high-altitude large cantilever structure of claim 1, wherein the upper suspension hanger rod is provided with a lower end with a screw thread which is connected with a nut of the upper basket screw in a threaded manner; the upper end of the upper suspension suspender is provided with a transverse horizontal rod, and the transverse horizontal rod and the vertical upright rod form a cross shape; the upper end of the lower suspension suspender is provided with a thread which is in threaded connection with a nut of the lower half-basket screw; the lower end of the lower suspension suspender is provided with a horizontal rod, and the horizontal rod and the vertical upright rod form a cross shape.

4. The decoration engineering operation platform for the high-altitude large cantilever structure of claim 1, wherein the upper half basket screw is provided with a half basket nut at the upper end and is connected with the lower screw of the upper suspension hanger rod; the lower end of the upper half basket screw is provided with threads and is connected with the upper end of the basket nut; the lower end of the lower half basket screw is provided with a half basket nut and is connected with the upper end screw of the lower suspension suspender; the upper end of the lower half basket screw is provided with threads and is connected with the lower end of the basket nut.

5. The decoration engineering operation platform for the high-altitude large cantilever structure of claim 1, wherein the anchoring screw has threads at the upper end and a horizontal rod at the lower end, and the horizontal rod and the vertical rod form a cross shape; the upper end of the connecting screw rod is provided with threads, the lower end of the connecting screw rod is provided with a transverse horizontal rod, and the transverse horizontal rod and the vertical upright rod form a cross shape.

6. The operating platform for the decoration engineering of the high-altitude large cantilever structure of claim 1, wherein the installation fixing hole is provided with or reserved on a lower floor slab of the cantilever structure, is used for penetrating the anchoring screw rod, and is a vertical through oblong hole which is consistent with the plane position and the size of the anchoring hole on the platform foundation module.

7. The decoration engineering operation platform for the high-altitude large cantilever structure of claim 1, wherein the module connecting plate is a fiber reinforced composite plate, the lower end of the module connecting plate is symmetrically provided with vertical bolts along the central axis of the cross section, and the vertical bolts are not less than 2 rows and 2 columns; the plane position of the vertical bolt corresponds to the shape and the position of the lateral connecting hole, and the plane size of the vertical bolt is smaller than the inner diameter of the lateral connecting hole.

8. The operating platform for the decoration engineering of the high-altitude large cantilever structure as claimed in claim 1, wherein the lower part of the vertical rod of the guard rail is provided with a horizontal cross rod, and the horizontal cross rod and the vertical rod form a cross shape.

9. The decoration engineering operation platform for the high-altitude large cantilever structure of claim 1, wherein the anchoring holes are formed in the connecting fixed end positions of the platform base modules and are vertical through long circular holes, and the anchoring holes of each platform base module are not less than 2 rows and 2 columns; an annular reinforcing belt is arranged at the peripheral part outside the anchoring hole;

the suspension holes are respectively formed in the middle of the platform base module and the middle of the platform standard module and used for penetrating and fixing a vertically through long circular hole of the lower suspension suspender, and the number of the suspension holes of each platform base module or platform standard module is not less than 2; an annular reinforcing band is arranged at the peripheral part outside the suspension hole;

the connecting holes are respectively formed in the stepped lap joint parts of the platform base module and the platform standard module and used for penetrating and fixing a vertically through long circular hole of the connecting screw rod, and the connecting holes formed in each platform base module or each platform standard module are not less than 2 rows and 2 columns; an annular reinforcing band is arranged at the peripheral part of one side of the non-overlapping surface of the connecting hole;

the lateral connecting holes are respectively formed in vertically through circular holes at the edge parts of two sides of the platform basic module and the platform standard module and are used for installing and fixing module connecting plates or protective railings; the lateral connecting holes of each platform basic module or platform standard module are not less than 2 rows and 2 columns.

10. The mounting and demounting method for the decoration engineering operation platform of the high-altitude large cantilever structure, as recited in claim 1, is characterized in that the mounting and demounting processes of the construction operation platform are respectively as follows:

s1 installation of decoration construction operation platform of high-altitude large cantilever structure

Installation process: reserving construction for a main body structure → manufacturing a platform module → installing an upper suspension suspender → installing a platform foundation module → installing a platform standard module → installing a protective railing;

firstly, reserving construction for main structure

In the main body construction stage of the high-altitude large cantilever structure, reserving a round hole for hanging the decoration engineering operation platform on a cantilever structure floor according to design parameters such as position, space, size and the like determined by the design scheme of the decoration engineering operation platform;

② manufacturing platform module

In a processing plant, producing a platform base module and a platform standard module, wherein a suspension hole, a connecting hole, an anchoring hole and a lateral connecting hole are arranged on the platform base module, and a suspension hole, a connecting hole and a lateral connecting hole are arranged on the platform standard module;

thirdly, installing the upper suspension hanger rod

Placing an upper suspension suspender in a circular hole reserved in the construction stage of the large cantilever structure, and enabling a threaded end of the suspender to penetrate through the circular hole;

fourthly, installing a platform foundation module

A lower suspension suspender penetrates through a suspension hole of the platform foundation module and rotates, and the lower suspension suspender is firmly installed with the platform foundation module by screwing a nut; a long circular mounting and fixing hole is reserved or formed in the lower floor slab of the cantilever structure; then placing a platform foundation module on the lower floor slab of the cantilever structure, sequentially penetrating an anchoring hole of the platform foundation module and an installation fixing hole of the lower floor slab of the cantilever structure by using an anchoring screw rod, rotating, and screwing a nut to connect and fix the platform foundation module and the lower floor slab of the cantilever structure; then, adopting a basket screw to be respectively connected and screwed with the upper suspension hanging rod and the lower suspension hanging rod, and completing the installation of the first platform foundation module; then, all the rest platform foundation modules are sequentially installed by adopting the same method, and after the installation of the two adjacent foundation modules is finished, the foundation modules are immediately connected and fixed by using the foundation module connecting plate to complete the installation of the platform foundation modules;

fifthly, mounting the platform standard module

A lower suspension suspender penetrates through a suspension hole of the platform standard module and rotates, and the lower suspension suspender is firmly installed with the platform standard module by screwing a nut; then, a standard module connecting screw rod sequentially penetrates through connecting holes of the platform standard module and the platform base module and rotates, and a nut is screwed down to connect and fix the platform standard module and the platform base module; respectively connecting and screwing a basket screw with the upper suspension hanger rod and the lower suspension hanger rod to complete the installation of the first platform standard module; then, all the rest platform standard modules are installed by the same method, and after the installation of the two adjacent platform standard modules is finished, the platform standard modules are immediately connected and fixed by a standard module connecting plate to complete the installation of the platform standard modules;

sixthly, mounting the protective railing

Placing the vertical rods of the protective railings into lateral connecting holes on the outermost side of the platform modules one by one at the platform modules at the outermost edges to complete the installation of the protective railings of the decoration engineering operation platform with the high-altitude large cantilever structure;

s2 dismantling of decoration construction operation platform of high-altitude large cantilever structure

Dismantling process: removing the outer most hanging hanger rod → repairing the hole reserved at the outer most edge → removing the guard rail → removing the outer most platform standard module → installing the guard rail → repeating the previous step … … to remove all platform standard modules → removing the platform base module

Firstly, dismantling the outermost edge suspension hanger rod at the outer side

Loosening the basket nut, and sequentially disassembling the upper basket screw and the lower basket screw; then loosening the nut, rotating the lower suspension hanger rod, and taking out the lower suspension hanger rod from the suspension hole of the platform standard module; taking out the upper suspension hanger rods positioned at the outermost edge of the outer side of the operating platform from the reserved circular holes one by one on the top surface of the high-altitude large cantilever structure;

② repairing the reserved round hole at the outermost edge position of the outer side

After the upper suspension hanger rod is disassembled, plugging the reserved round hole according to the structural requirements of the original design construction drawing; then, according to the requirements of a decoration construction drawing of a high-altitude large cantilever structure, performing local decoration surface layer construction on the reserved circular hole;

thirdly, dismantling the protective railing

Removing the protective railings at the edge of the decoration construction operation platform from the lateral connecting holes of the platform modules one by one, and temporarily placing the protective railings at proper positions in the operation platform;

fourthly, dismantling the standard module of the outermost edge platform of the outer side

The platform standard module at the outermost edge of the outer side is temporarily fixed by adopting measures such as rope binding; then loosening the nut, rotating the connecting screw rod, and taking out the connecting screw rod from the connecting hole of the platform standard module; dismantling the standard module connecting plate; dragging a rope, and removing the platform standard module at the outermost edge of the outer side;

fifthly, mounting the protective barrier

Installing the protective railing at the platform standard module on the outermost side again to provide high-altitude safety protection for subsequent platform dismantling and reserved circular hole repairing work continuously;

sixthly, repeating the above steps … … to remove all platform standard modules

Sequentially repeating the first step, the second step, the third step, the fourth step and the fifth step, and dismantling all platform standard modules;

seventhly, dismantling the platform foundation module

Sequentially repeating the first step, the second step and the third step, and removing the suspension hanger rods of the platform foundation modules, repairing the reserved round holes on the floor slab of the cantilever structure and removing the protective railings one by one; then binding and temporarily fixing the platform foundation module by adopting a rope; loosening the nut, rotating the anchoring screw rod, and taking out the anchoring screw rod from the mounting fixing hole of the lower floor slab of the cantilever structure and the anchoring hole of the platform foundation module respectively; dismantling the connecting plate of the foundation module; and dragging the rope to remove all the platform foundation modules, and finishing the dismantling of the decoration construction operation platform of the high-altitude large cantilever structure.

Technical Field

The invention belongs to the field of building construction, and relates to decoration engineering construction of a large cantilever structure at a high-altitude part.

Background

In the construction process of arranging the outward-expanding high-altitude large cantilever structure on the high-rise building, except for the construction stage of the main structure, a high-altitude operation platform needs to be erected, and a high-altitude operation platform also needs to be erected in the construction stage of the decoration engineering. For an operation platform of a high-altitude large cantilever structure, the technical difficulty of installation and dismantling construction is high, and the installation and dismantling cost is high. Therefore, after the main structure of a plurality of buildings with high-altitude large cantilever structures is constructed, the high-altitude operating platform is kept until the construction stage of the decoration engineering, and the high-altitude operating platform is not dismantled until the construction of the decoration engineering is finished. The high-altitude operation platform can continuously exist at a high-altitude position for a long time, the falling of any part can cause casualties and property loss, a great potential safety hazard exists, the project safety management difficulty is improved, and meanwhile, the labor, material and capital investment for daily maintenance is increased; on the other hand, the high-altitude operation platform used in the structural stage needs to bear a large load, the size and the self weight of the operation platform are large, high-altitude collision accidents are easy to happen in the dismantling process, objects such as the operation platform structural parts and the decorative surface layer can fall in high altitude and potential safety hazards such as casualties and property loss are brought due to the high-altitude collision accidents, besides the damage to the decorative surface layer of the building and the increase of the repair difficulty, and therefore a series of effective safety protection measures must be taken for a plurality of dangerous factors existing in the dismantling process of the high-altitude operation platform.

For example, in a Chinese patent construction method for hanging a decoration construction platform under a high-rise large-cantilever structure, the construction platform is hung under a large cantilever according to the patent application No. CN202010894383.7, but the construction platform still needs to be built at high-altitude on site through steel pipe templates and the like, operations including welding and the like are included, the construction strength is high, and a plurality of dangerous factors exist.

Disclosure of Invention

The invention aims to solve the problems of long service cycle, high safety management difficulty, multiple risk factors in the dismantling process and the like of an operation platform adopted in the construction process, and provides a decorative engineering operation platform for a high-altitude large cantilever structure. The invention also aims to provide an assembling and disassembling method for the decoration engineering operation platform of the high-altitude large cantilever structure, which adopts light-weight high-strength module components to assemble and disassemble on site, does not need large-scale hoisting equipment in the assembling and disassembling process, and reduces the danger and technical difficulty of high-altitude assembling and disassembling construction.

The technical scheme adopted by the invention for realizing the purpose is as follows:

a decoration engineering operation platform for a high-altitude large cantilever structure relates to a large cantilever structure floor slab and a platform template, wherein a circular hole is reserved on the large cantilever structure floor slab, an upper suspension hanger rod is placed in the circular hole, and a threaded end of the hanger rod penetrates through the circular hole; the platform template is formed by splicing a platform base module and a platform standard module;

the platform foundation module is provided with a suspension hole, a connecting hole, an anchoring hole and a lateral connecting hole, the platform foundation module is placed on the lower floor slab of the cantilever structure, an anchoring screw penetrates through the anchoring hole of the platform foundation module and the mounting and fixing hole of the lower floor slab of the cantilever structure in sequence to be fixed, a lower suspension hanger rod penetrates through the suspension hole of the platform foundation module and is fixed, an upper suspension hanger rod and a lower suspension hanger rod are respectively connected with a flower basket screw rod, and two adjacent platform foundation modules are connected and fixed through a foundation module connecting plate;

the platform standard module is provided with a suspension hole, a connecting hole and a lateral connecting hole, and a lower suspension hanger rod penetrates into the suspension hole of the platform standard module and is fixed; the connecting screw rod sequentially penetrates through connecting holes of the platform standard module and the platform base module and is fixed; the upper suspension hanging rod and the lower suspension hanging rod are respectively connected with a flower basket screw, and two adjacent platform standard modules are fixedly connected through a standard module connecting plate;

and the lateral connecting hole of the platform module at the most edge is fixedly connected with the vertical upright rod of the protective railing.

Furthermore, one end of the platform foundation module is in a flat plate shape, and the other end of the platform foundation module is in a step shape; the two ends of the platform standard module are stepped, and the stepped parts of the platform standard module are matched with the stepped parts of the lap joint parts of the adjacent platform standard modules or the platform basic modules.

Furthermore, the lower end of the upper suspension suspender is provided with a thread which is in threaded connection with a nut of the upper basket screw; the upper end of the upper suspension suspender is provided with a transverse horizontal rod, and the transverse horizontal rod and the vertical upright rod form a cross shape; the upper end of the lower suspension suspender is provided with a thread which is in threaded connection with a nut of the lower half-basket screw; the lower end of the lower suspension suspender is provided with a horizontal rod, and the horizontal rod and the vertical upright rod form a cross shape.

Furthermore, the upper end of the upper half basket screw is provided with a half basket nut which is connected with the lower end screw of the upper suspension suspender; the lower end of the upper half basket screw is provided with threads and is connected with the upper end of the basket nut; the lower end of the lower half basket screw is provided with a half basket nut and is connected with the upper end screw of the lower suspension suspender; the upper end of the lower half basket screw is provided with threads and is connected with the lower end of the basket nut.

Furthermore, the upper end of the anchoring screw rod is provided with threads, the lower end of the anchoring screw rod is provided with a transverse horizontal rod, and the transverse horizontal rod and the vertical upright rod form a cross shape; the upper end of the connecting screw rod is provided with threads, the lower end of the connecting screw rod is provided with a transverse horizontal rod, and the transverse horizontal rod and the vertical upright rod form a cross shape.

Furthermore, the mounting and fixing holes are formed in or reserved on the lower floor slab of the cantilever structure and used for penetrating the anchoring screw rods, and the mounting and fixing holes are vertical through oblong holes which are consistent with the plane positions and the sizes of the anchoring holes in the platform foundation module.

Furthermore, the module connecting plate is a fiber reinforced composite plate, the lower end of the module connecting plate is symmetrically provided with vertical bolts along the central axis of the cross section, and the vertical bolts are not less than 2 rows and 2 columns; the plane position of the vertical bolt corresponds to the shape and the position of the lateral connecting hole, and the plane size of the vertical bolt is smaller than the inner diameter of the lateral connecting hole.

Furthermore, the lower part of the vertical rod of the guard rail is provided with a horizontal cross rod, and the horizontal cross rod and the vertical rod form a cross shape.

Furthermore, the anchoring holes are formed in the connecting fixed end parts of the platform base modules and are vertical through long circular holes, and the anchoring holes of each platform base module are not less than 2 rows and 2 columns; an annular reinforcing belt is arranged at the peripheral part outside the anchoring hole;

the suspension holes are respectively formed in the middle of the platform base module and the middle of the platform standard module and used for penetrating and fixing a vertically through long circular hole of the lower suspension suspender, and the number of the suspension holes of each platform base module or platform standard module is not less than 2; an annular reinforcing band is arranged at the peripheral part outside the suspension hole;

the connecting holes are respectively formed in the stepped lap joint parts of the platform base module and the platform standard module and used for penetrating and fixing a vertically through long circular hole of the connecting screw rod, and the connecting holes formed in each platform base module or each platform standard module are not less than 2 rows and 2 columns; an annular reinforcing band is arranged at the peripheral part of one side of the non-overlapping surface of the connecting hole;

the lateral connecting holes are respectively formed in vertically through circular holes at the edge parts of two sides of the platform basic module and the platform standard module and are used for installing and fixing module connecting plates or protective railings; the lateral connecting holes of each platform basic module or platform standard module are not less than 2 rows and 2 columns.

The invention relates to an installing and dismantling method for a decoration project of a high-altitude large cantilever structure, which comprises the following steps of:

s1 installation of decoration construction operation platform of high-altitude large cantilever structure

Installation process: reserving construction for a main body structure → manufacturing a platform module → installing an upper suspension suspender → installing a platform foundation module → installing a platform standard module → installing a protective railing;

firstly, reserving construction for main structure

In the main body construction stage of the high-altitude large cantilever structure, reserving a round hole for hanging the decoration engineering operation platform on a cantilever structure floor according to design parameters such as position, space, size and the like determined by the design scheme of the decoration engineering operation platform;

② manufacturing platform module

In a processing plant, producing a platform base module and a platform standard module, wherein a suspension hole, a connecting hole, an anchoring hole and a lateral connecting hole are arranged on the platform base module, and a suspension hole, a connecting hole and a lateral connecting hole are arranged on the platform standard module;

thirdly, installing the upper suspension hanger rod

Placing an upper suspension suspender in a circular hole reserved in the construction stage of the large cantilever structure, and enabling a threaded end of the suspender to penetrate through the circular hole;

fourthly, installing a platform foundation module

A lower suspension suspender penetrates through a suspension hole of the platform foundation module and rotates, and the lower suspension suspender is firmly installed with the platform foundation module by screwing a nut; a long circular mounting and fixing hole is reserved or formed in the lower floor slab of the cantilever structure; then placing a platform foundation module on the lower floor slab of the cantilever structure, sequentially penetrating an anchoring hole of the platform foundation module and an installation fixing hole of the lower floor slab of the cantilever structure by using an anchoring screw rod, rotating, and screwing a nut to connect and fix the platform foundation module and the lower floor slab of the cantilever structure; then, adopting a basket screw to be respectively connected and screwed with the upper suspension hanging rod and the lower suspension hanging rod, and completing the installation of the first platform foundation module; then, all the rest platform foundation modules are sequentially installed by adopting the same method, and after the installation of the two adjacent foundation modules is finished, the foundation modules are immediately connected and fixed by using the foundation module connecting plate to complete the installation of the platform foundation modules;

fifthly, mounting the platform standard module

A lower suspension suspender penetrates through a suspension hole of the platform standard module and rotates, and the lower suspension suspender is firmly installed with the platform standard module by screwing a nut; then, a standard module connecting screw rod sequentially penetrates through connecting holes of the platform standard module and the platform base module and rotates, and a nut is screwed down to connect and fix the platform standard module and the platform base module; respectively connecting and screwing a basket screw with the upper suspension hanger rod and the lower suspension hanger rod to complete the installation of the first platform standard module; then, all the rest platform standard modules are installed by the same method, and after the installation of the two adjacent platform standard modules is finished, the platform standard modules are immediately connected and fixed by a standard module connecting plate to complete the installation of the platform standard modules;

sixthly, mounting the protective railing

Placing the vertical rods of the protective railings into lateral connecting holes on the outermost side of the platform modules one by one at the platform modules at the outermost edges to complete the installation of the protective railings of the decoration engineering operation platform with the high-altitude large cantilever structure;

s2 dismantling of decoration construction operation platform of high-altitude large cantilever structure

Dismantling process: removing the outer most hanging hanger rod → repairing the hole reserved at the outer most edge → removing the guard rail → removing the outer most platform standard module → installing the guard rail → repeating the previous step … … to remove all platform standard modules → removing the platform base module

Firstly, dismantling the outermost edge suspension hanger rod at the outer side

Loosening the basket nut, and sequentially disassembling the upper basket screw and the lower basket screw; then loosening the nut, rotating the lower suspension hanger rod, and taking out the lower suspension hanger rod from the suspension hole of the platform standard module; taking out the upper suspension hanger rods positioned at the outermost edge of the outer side of the operating platform from the reserved circular holes one by one on the top surface of the high-altitude large cantilever structure;

② repairing the reserved round hole at the outermost edge position of the outer side

After the upper suspension hanger rod is disassembled, plugging the reserved round hole according to the structural requirements of the original design construction drawing; then, according to the requirements of a decoration construction drawing of a high-altitude large cantilever structure, performing local decoration surface layer construction on the reserved circular hole;

thirdly, dismantling the protective railing

Removing the protective railings at the edge of the decoration construction operation platform from the lateral connecting holes of the platform modules one by one, and temporarily placing the protective railings at proper positions in the operation platform;

fourthly, dismantling the standard module of the outermost edge platform of the outer side

The platform standard module at the outermost edge of the outer side is temporarily fixed by adopting measures such as rope binding; then loosening the nut, rotating the connecting screw rod, and taking out the connecting screw rod from the connecting hole of the platform standard module; dismantling the standard module connecting plate; dragging a rope, and removing the platform standard module at the outermost edge of the outer side;

fifthly, mounting the protective barrier

Installing the protective railing at the platform standard module on the outermost side again to provide high-altitude safety protection for subsequent platform dismantling and reserved circular hole repairing work continuously;

sixthly, repeating the above steps … … to remove all platform standard modules

Sequentially repeating the first step, the second step, the third step, the fourth step and the fifth step, and dismantling all platform standard modules;

seventhly, dismantling the platform foundation module

Sequentially repeating the first step, the second step and the third step, and removing the suspension hanger rods of the platform foundation modules, repairing the reserved round holes on the floor slab of the cantilever structure and removing the protective railings one by one; then binding and temporarily fixing the platform foundation module by adopting a rope; loosening the nut, rotating the anchoring screw rod, and taking out the anchoring screw rod from the mounting fixing hole of the lower floor slab of the cantilever structure and the anchoring hole of the platform foundation module respectively; dismantling the connecting plate of the foundation module; and dragging the rope to remove all the platform foundation modules, and finishing the dismantling of the decoration construction operation platform of the high-altitude large cantilever structure.

Compared with the similar technology, the invention has obvious advanced effect, which is mainly reflected in that:

the decorative engineering operation platform is formed by splicing platform modules, the platform modules are made of Fiber Reinforced Plastic (FRP), the modules which are formed by a compression molding process and have standard sizes and are used for the decorative engineering operation platform are divided into platform base modules and platform standard modules, the modules are manufactured according to the unified standard sizes, the lap joint parts of the platform modules adopt stepped structures which are mutually matched, and the decorative engineering operation platform is convenient and quick to install and disassemble and has a high safety system.

The annular reinforcing belt is made of metal or fiber material with high strength, is placed on the periphery of the hole core mold before the platform module is molded, and is subjected to compression molding, so that the strength is increased.

The upper suspension hanging rod, the lower suspension hanging rod, the anchoring screw rod and the connecting screw rod are all made of steel, and one end of the steel is in a threaded structure and is conveniently connected with the nut; the other end is provided with a horizontal rod and forms a cross structure with the vertical upright rod, so that the rotation angle is fixed when the device is conveniently installed in a hole.

The invention adopts a structure of the flower basket screw rod with the upper part and the lower part, which is convenient for the assembly and disassembly of the flower basket screw rod.

The mounting and fixing holes and the like vertically penetrate through the oblong hole and are used for mounting, rotationally fixing or dismounting the cross-shaped end of the upper hanging suspension rod, the lower hanging suspension rod, the anchoring screw or the connecting screw which penetrate through the oblong hole.

The protection railing, make according to standard size, the pole setting of preventing the railing is installed in the side direction connecting hole of platform module, the lower part sets up the cross structure, the cross structure is installed with the cooperation of side direction connecting hole and is torn open convenient, quick.

In conclusion, the decoration engineering operation platform for the high-altitude large cantilever structure provided by the invention is a light decoration engineering operation platform which is erected again depending on the high-altitude large cantilever structure in the construction stage of the decoration and fitment engineering. The novel decoration and fitment operation platform is formed by splicing light high-strength module components on site, does not need large-scale hoisting equipment in the installation and dismantling process, reduces the dangerousness and technical difficulty of high-altitude installation and dismantling construction, and has the advantages of simple process, convenience in operation, high construction speed, light high strength, low installation and dismantling cost, short use and maintenance time and the like.

Drawings

FIG. 1 is a schematic structural view (front view) of the high-altitude large overhanging structure decoration engineering operation platform of the invention

FIG. 2 is a schematic structural view (top view) of the high-altitude large overhanging structure decoration engineering operation platform of the invention

FIG. 3 is a schematic structural view (bottom view) of the high-altitude large overhanging structure decoration engineering operation platform of the invention

FIG. 4 is a view from 1-1

FIG. 5 is a view from 2 to 2

FIG. 6 is a view from 3 to 3

FIG. 7 is a view from 4 to 4

FIG. 8 is a schematic structural view (side view) of a platform standard module

FIG. 9 is a schematic structural view (top view) of a platform standard module

FIG. 10 is a view from 5 to 5

FIG. 11 is a view from 6 to 6

FIG. 12 is a schematic structural view of a platform base module (front view)

FIG. 13 is a schematic structural view (top view) of a platform base module

FIG. 14 is a view from 7 to 7

FIG. 15 is a view from 8 to 8

FIG. 16 is a schematic structural view of a module connecting plate (front view)

FIG. 17 is a schematic structural view (top view) of a module connecting plate

FIG. 18 is a schematic view of the upper suspension bar construction

FIG. 19 is a schematic view of the construction of the lower suspension boom

FIG. 20 is a schematic view of the construction of the anchor screw

FIG. 21 is a schematic view of the structure of the connecting screw

FIG. 22 is a schematic view of the structure of a guard rail

FIG. 23 is a schematic view of the platform module upper and lower suspension system configuration

FIG. 24 is a structural view showing a platform module mounting structure

FIG. 25 is a block connecting plate mounting structure view

Wherein: 1. a cantilevered structural floor slab; 2. a circular hole; 3. a platform foundation module; 4. a platform standard module; 5. a hanging hole; 6. connecting holes; 7. an anchoring hole; 8. a lateral connecting hole; 9. an annular reinforcing band; 10. an upper suspension boom; 11. a lower suspension boom; 12. a gasket; 13. a nut; 14. a horizontal fixing pin; 15. a lower floor slab of the cantilever structure; 16. mounting a fixing hole; 17. an anchoring screw; 18. an upper half basket screw; 19. a lower half basket screw; 20. a flower basket nut; 21. a base module connecting plate; 22. a vertical bolt; 23. connecting a screw rod; 24. a standard module connection board; 25. guard rails.

Detailed Description

For the purpose of enhancing an understanding of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.

The structural diagram of the high-altitude large-cantilever structure decoration engineering operation platform is shown in figure 1.

As can be seen from fig. 1, the decoration engineering operation platform for the high-altitude large cantilever structure provided by the invention is a high-altitude suspension type operation platform which is erected by depending on the high-altitude large cantilever structure and is used for decoration engineering construction of the high-altitude large cantilever structure.

The installation and dismantling processes and the method of the decoration engineering operation platform of the high-altitude large cantilever structure are respectively as follows:

1. installation of decoration construction operation platform of high-altitude large cantilever structure

Installation process: the method comprises the following steps of main structure reservation construction → platform module manufacturing → upper suspension hanger installation → platform foundation installation → platform standard module installation → protective railing installation.

Firstly, reserving construction for main structure

In the main body construction stage of the high-altitude large cantilever structure, a circular hole 2 for hanging a decoration engineering operation platform is reserved on a cantilever structure floor slab 1 according to design parameters such as spacing, position and size determined by the design scheme of the decoration operation platform.

② manufacturing platform module

The platform module is made of fiber reinforced composite materials. In a processing plant, according to the production design scheme of the platform module, a special mold is adopted to produce a platform basic module 3 and a platform standard module 4. A suspension hole 5, a connecting hole 6, an anchoring hole 7 and a lateral connecting hole 8 are arranged on the platform foundation module 3, and an annular reinforcing belt 9 is arranged at the outer peripheral stress part of the suspension hole 5, the connecting hole 6 and the anchoring hole 7; a suspension hole 5, a connecting hole 6 and a lateral connecting hole 8 are arranged on the platform standard module 4, and an annular reinforcing belt 9 is arranged at the outer peripheral stress part of the suspension hole 5 and the connecting hole 6.

Thirdly, installing the upper suspension hanger rod

The upper suspension hanger rods 10 are placed into the circular holes 2 reserved in the construction stage of the large cantilever structure one by one, so that the threaded ends of the hanger rods penetrate through the circular holes 2 and are placed on the cantilever structure floor slab 1.

Fourthly, installing a platform foundation module

A gasket 12 and a nut 13 are put into the upper end of the lower suspension hanger rod 11; placing a lower suspension hanger rod 11 in a suspension hole 5 of the platform base module 3, rotating by 90 degrees, and screwing a nut 13 tightly to enable a horizontal fixing pin 14 of the lower suspension hanger rod 11 to be tightly abutted and fixed with the lower surface of the platform base module 3; a mounting and fixing hole 16 is formed in the lower floor 15 of the cantilever structure (or reserved in the structural construction stage); placing a gasket 12 and screwing a nut 13 at the upper end of the anchoring screw 17; sequentially penetrating an anchoring screw 17 into an anchoring hole 7 of the platform foundation module 3 and a mounting fixing hole 16 of the overhanging structure lower floor slab 15, rotating the anchoring screw by 90 degrees, screwing a nut 13 tightly, enabling a horizontal fixing pin 14 of the anchoring screw 17 to be tightly abutted against the lower surface of the overhanging structure lower floor slab 15, and connecting and fixing the platform foundation module 3 and the overhanging structure lower floor slab 15; then, the upper suspension hanger rod 10 and the lower suspension hanger rod 11 are connected and fastened by an upper basket screw 18, a lower basket hanger rod 19 and a basket nut 20, and the platform base module 3 is kept horizontal, so that the first platform base module 3 is installed; and then sequentially installing all the rest platform foundation modules 3 by adopting the same method, timely placing the vertical bolts 22 of the foundation module connecting plates 21 into the lateral connecting holes 8 of the two adjacent platform foundation modules 3 respectively after the two adjacent platform foundation modules 3 are installed, and connecting and fixing the two adjacent platform foundation modules 3 to finish the installation of the platform foundation modules 3.

Fifthly, mounting the platform standard module

A gasket 12 and a nut 13 are put into the upper end of the lower suspension hanger rod 11; placing a lower suspension hanger rod 11 in a suspension hole 5 of the platform standard module 4, rotating by 90 degrees, and screwing a nut 13 tightly to enable a horizontal fixing pin 14 of the lower suspension hanger rod 11 to be tightly abutted and fixed with the lower surface of the platform standard module 4; placing a gasket 12 and screwing a nut 13 at the upper end of the connecting screw rod 23; sequentially penetrating the connecting screw rods 23 into connecting holes 6 in the platform standard module 4 and the platform foundation module 3 and then rotating the connecting screw rods 90 degrees, and screwing the nuts 13 tightly to enable the horizontal fixing pins 14 of the connecting screw rods 23 to be abutted against the lower surface of the platform foundation module 3 and connect and fix the platform standard module 4 and the platform foundation module 3; then, the upper suspension hanger rod 10 and the lower suspension hanger rod 11 are connected and fastened by an upper basket screw rod 17, a lower basket hanger rod 18 and a basket nut 19, and the platform standard module 4 is kept horizontal, so that the first platform standard module 4 is installed; and then, sequentially installing all the other platform standard modules 4 by adopting the same method, and after the two adjacent platform standard modules 4 are installed, timely placing the vertical bolts 22 of the standard module connecting plate 24 into the lateral connecting holes 8 of the two adjacent platform standard modules 4 respectively to connect and fix the two adjacent platform standard modules 4 to complete the installation of the platform standard modules 4.

Sixthly, mounting the protective railing

And at the position of the platform standard module 4 at the most edge, the vertical upright rods of the protective railings 25 are sequentially and correspondingly placed into the lateral connecting holes 8 and fixed, so that the installation of the decoration engineering construction operating platform of the high-altitude large cantilever structure is completed.

2. Demolition of decoration construction operation platform of high-altitude large cantilever structure

Dismantling process: removing the outer most edge hanging hanger rod → repairing the reserved round hole at the outer most edge position → removing the guard rail → removing the outer most edge platform standard module → installing the guard rail → repeating the previous step … … to remove all platform standard modules → removing the platform base module.

Firstly, dismantling the outermost edge suspension hanger rod at the outer side

Loosening the basket nut 20, and sequentially removing the upper basket screw 18 and the lower basket screw 19; then loosening the nut 13, rotating the lower suspension hanger rod 11 by 90 degrees, and taking out the lower suspension hanger rod with the nut 13 and the gasket 12 from the suspension hole 5 of the platform standard module 4; on the top surface of the overhanging structure floor slab 1 of the high-altitude large overhanging structure, the upper suspension hanger rods 10 positioned at the outermost edge position outside the operating platform are taken out one by one from the reserved circular holes 2.

② repairing the reserved round hole at the outermost edge position of the outer side

After the upper suspension hanger rod 10 is disassembled, according to the structural requirements of the original design construction drawing, the circular hole 2 reserved in the construction stage of the main body structure is plugged; and then, according to the requirements of the decoration construction drawing of the high-altitude large cantilever structure, performing local decoration surface layer construction on the reserved round hole 2.

Thirdly, dismantling the protective railing

The protective railings 25 at the edge of the decorative construction operation platform are removed from the lateral connecting holes 8 of the platform standard module 4 and the platform base module 3 one by one and are temporarily placed in proper positions in the operation platform.

Fourthly, dismantling the standard module of the outermost edge platform of the outer side

The platform standard module 4 positioned at the outermost edge of the outer side is temporarily fixed by adopting measures such as rope binding; then loosening the nut 13, rotating the connecting screw rod 23 by 90 degrees, and taking out the nut 13 and the gasket 12 from the connecting hole 6 of the platform standard module 4; the vertical bolt 22 of the standard module connecting plate 24 is taken out from the lateral connecting hole 8 of the platform standard module 4; the rope is pulled and the outer most marginal platform module 4 is removed.

Fifthly, mounting the protective barrier

And (3) reinstalling the protective barrier 25 at the platform standard module 4 at the most edge, and correspondingly placing the vertical rods of the protective barrier 25 into the lateral connecting holes 8 in sequence and fixing the vertical rods so as to continuously provide high-altitude safety protection for subsequent platform dismantling and reserved round hole repairing work.

Sixthly, repeating the above steps … … to remove all platform standard modules

And (4) sequentially repeating the steps of the first step, the second step, the third step, the fourth step and the fifth step, and dismantling all the platform standard modules 4.

Seventhly, dismantling the platform foundation module

Sequentially repeating the first step, the second step and the third step, and removing the suspension hanger rods of the platform foundation module 3, repairing the circular holes 3 reserved on the overhanging structure floor slab and removing the protective railings 25 one by one; then binding and temporarily fixing the platform foundation module 3 by adopting a rope; loosening the nut 13, and taking out the nut 13 and the gasket 12 from the mounting and fixing hole 16 of the overhanging structure lower floor slab 15 and the anchoring hole 7 of the platform foundation module 3 respectively after rotating the anchoring screw 17 by 90 degrees; taking out the vertical bolt 22 of the base module connecting plate 21 from the lateral connecting hole 8 of the platform base module 3; and dragging the rope, removing all the platform foundation modules 3, and finishing the dismantling of the decoration construction operation platform of the high-altitude large cantilever structure.