CN114033146A - Method for erecting high-altitude electromechanical engineering construction platform in large-scale studio - Google Patents

Method for erecting high-altitude electromechanical engineering construction platform in large-scale studio Download PDF

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Publication number
CN114033146A
CN114033146A CN202111398043.6A CN202111398043A CN114033146A CN 114033146 A CN114033146 A CN 114033146A CN 202111398043 A CN202111398043 A CN 202111398043A CN 114033146 A CN114033146 A CN 114033146A
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CN
China
Prior art keywords
steel pipes
rectangular steel
overpass
construction platform
rectangular
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CN202111398043.6A
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Chinese (zh)
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CN114033146B (en
Inventor
何风黔
王晓朋
徐涎筌
秦磊
朱红权
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No3 Engineering Co Ltd Of Cccc Third Harbor Engineering Co ltd
CCCC Third Harbor Engineering Co Ltd
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No3 Engineering Co Ltd Of Cccc Third Harbor Engineering Co ltd
CCCC Third Harbor Engineering Co Ltd
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Priority to CN202111398043.6A priority Critical patent/CN114033146B/en
Publication of CN114033146A publication Critical patent/CN114033146A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/22—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by roofs or ceilings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/007—Devices and methods for erecting scaffolds, e.g. automatic scaffold erectors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
    • E04G5/045—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on profiles, e.g. I or H profiles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
    • E04H3/22—Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses an erection method of a high-altitude electromechanical engineering construction platform in a large-scale photostudio, which is used for erecting the construction platform between two adjacent steel trusses, wherein two sides of the construction platform lean against the opposite sides of two adjacent overpass walkways; the construction platform comprises a platform supporting beam, two connecting angle steels and a scaffold board; the platform support beam comprises a plurality of rectangular steel pipes and a plurality of short square steel pipes, wherein the plurality of rectangular steel pipes and the plurality of short square steel pipes are bridged between lower chords of two adjacent steel trusses, and the plurality of short square steel pipes are positioned at the node positions of the vertical web members; the two connecting angle steels are correspondingly arranged on the inner sides of the lower chords of two adjacent steel trusses one by one; two ends of the rectangular steel pipes are combined with two connecting angle steels and fixed on the top surface of the lower chord through a plurality of long supporting beam fasteners; two ends of the plurality of short square steel pipes and the two connecting angle steels are fixed on the top surface of the inner side of the lower chord through a plurality of short supporting beam fasteners; the scaffold boards are laid on the platform support beams. The invention can ensure the building precision of the construction platform.

Description

Method for erecting high-altitude electromechanical engineering construction platform in large-scale studio
Technical Field
The invention relates to an erection method of an overhead electromechanical engineering construction platform in a large-scale studio.
Background
The space height of a common studio is very high, and the studio can be divided into two types according to the height difference of the studio: large sheds and small sheds. The height of the lower chord of the truss of the large-scale photostudio is more than or equal to 20m, and the height of the lower chord of the truss of the small-scale photostudio is less than 16 m.
The large single-layer photostudio is formed by a reinforced concrete beam column and a steel structure roof. The steel structure roof is a double-layer truss structure, and the truss span is large. The electromechanical engineering comprises a plurality of systems such as water supply and drainage, fire control, power supply and illumination, heating and ventilation, communication monitoring and the like, and pipelines are distributed in all corners and all standard-rise layers of a building. And erecting an overbridge on the lower chord of the truss to form an equipment layer maintenance and overhaul channel.
The electromechanical engineering in large-scale film studio, the construction position is in roof truss structure to the construction height is high, and the cross operation phenomenon is general, and work piece volumes such as discharge fume header are huge, and high altitude construction car is difficult to be under construction or the efficiency of construction is low. If the conventional method is adopted to assemble and disassemble the full framing scaffold for construction, the construction area is large, the consumed labor is high, the assembly and disassembly cost of the scaffold is extremely high, the time required for finishing the entity engineering quantity is delayed, the construction period time is increased, and therefore, the method is not suitable for assembling the full framing scaffold for construction. Therefore, the selection of a safe and efficient high-altitude operation construction platform is the key for ensuring the successful installation of the electromechanical engineering.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for erecting an overhead electromechanical engineering construction platform in a large-scale photostudio, which can ensure the erection precision of the construction platform, ensure that the construction platform has the characteristics of safe and reliable structure and high strength, and effectively ensure the construction safety and efficiency of overhead electromechanical engineering operation.
The purpose of the invention is realized as follows: a method for erecting a high-altitude electromechanical engineering construction platform in a large photostudio comprises the steps that the large photostudio comprises a roof formed by a plurality of steel trusses which are arranged in parallel at intervals; each steel truss comprises an upper chord member, a lower chord member, a plurality of vertical web members and a plurality of pairs of V-shaped oblique web members; the upper chord member, the lower chord member, the vertical web members and the inclined web members are all made of I-shaped steel; a plurality of vertical web members are uniformly connected between the upper chord member and the lower chord member at intervals; the lower ends of the oblique web members are connected to the lower chord members and lean against the two sides of the vertical web members in a one-to-one correspondence manner; an overpass walkway is erected between two adjacent vertical web members on the lower chord of each steel truss; each overpass walkway comprises a bridge deck and two overpass guardrails which are arranged on two sides of the bridge deck in a one-to-one correspondence manner, and each overpass guardrail comprises an upright post and a cross rod;
the construction platform erecting method is used for erecting the construction platform between the lower chords of two adjacent steel trusses, and two sides of the construction platform are leaned against the opposite sides of two adjacent overpass walkways in a one-to-one correspondence manner; the construction platform comprises a platform supporting beam, two connecting angle steels, a plurality of long supporting beam fasteners, a short supporting beam fastener, two anti-kicking plates and a scaffold plate;
the platform support beam comprises a plurality of rectangular steel pipes and a plurality of short square steel pipes; the long square steel pipes and the short square steel pipes are uniformly spanned between the lower chords of two adjacent steel trusses at intervals, and two ends of the short square steel pipes are correspondingly positioned at the node positions of the vertical web members of the two adjacent steel trusses one by one; a plurality of bolt holes are formed in the centers of four sides of each rectangular steel pipe and each short square steel pipe at intervals along the length direction;
the two connecting angle steels are correspondingly arranged on the inner sides of the lower chords of two adjacent steel trusses one by one; a plurality of through holes are formed in the horizontal edge of each connecting angle steel corresponding to the space between the plurality of rectangular steel pipes and the plurality of short square steel pipes, and each connecting angle steel is arranged on the top surfaces of the plurality of rectangular steel pipes and the top surfaces of the plurality of short square steel pipes in a mode that the plurality of through holes are aligned with the bolt holes of the plurality of rectangular steel pipes and the plurality of short square steel pipes in a one-to-one correspondence manner;
the two ends of the rectangular steel pipes and the two connecting angle steels are fixed on the top surfaces of the two lower chords in a one-to-one correspondence manner by the long supporting beam fasteners; each long supporting beam fastener comprises a U-shaped clamp, two elastic clamps and two nuts; the U-shaped clamp is formed by bending a steel bar of which two ends are threaded ends and the diameter is matched with that of the bolt hole in the rectangular steel pipe, the opening width of the U-shaped clamp is larger than or equal to that of the lower chord member, the U-shaped clamp is sleeved on the lower chord member from bottom to top in a mode that the opening is upward, one end of the U-shaped clamp sequentially penetrates through the bolt hole in the bottom surface of the rectangular steel pipe and the bolt hole in the top surface of the rectangular steel pipe upwards, and the other end of the U-shaped clamp sequentially penetrates through the bolt hole in the bottom surface of the rectangular steel pipe, the bolt hole in the top surface of the rectangular steel pipe and the through hole in the connecting angle steel upwards until the inner bottom surface of the U-shaped clamp is attached to the bottom surface of the lower wing plate of the lower chord member; the two elastic clamps are clamped at two ends of the top surface of the U-shaped clamp, which is exposed out of the top surface of the rectangular steel pipe and the top surface of the transverse part of the connecting angle steel one by one; the two nuts are screwed at two ends of the U-shaped clamp at the upper part of the elastic clamp in a one-to-one correspondence manner, so that the rectangular steel pipe is fixed on the top surface of the lower chord;
the two ends of the short square steel pipes and the connecting angle steel are fixed on the top surfaces of the inner sides of the two lower chords in a one-to-one correspondence mode through the short supporting beam fasteners;
the two anti-kicking plates are arranged on the inner sides of the two connecting angle steels in a one-to-one correspondence manner; each anti-kicking plate is embedded in a plurality of mounting grooves which are welded on the outer side surface of the vertical part of the connecting angle steel at intervals;
the scaffold board is laid on the platform support beam; the scaffold board is formed by splicing a plurality of rectangular blockboards, four corners of each blockboard are provided with dovetail grooves, each blockboard is laid in a mode that the dovetail grooves of the blockboard are aligned with the dovetail grooves of the adjacent blockboard, and the blockboard is embedded in a double-dovetail groove hole formed by enclosing two butted dovetail grooves through a wedge-shaped block;
the erection method comprises the following steps:
step one, standing one worker at each of two ends of the same overpass walkway, and standing one worker at the middle of the overpass walkway; binding the middle position of the rectangular steel pipe by one end of an anti-falling nylon rope, and fixing the other end of the anti-falling nylon rope on the overpass walkway; two workers standing at two ends of an overpass walkway and a worker standing in the middle of the overpass walkway respectively use a hook and an anti-falling nylon rope to convey rectangular steel pipes to two adjacent steel trusses, then the rectangular steel pipes are matched with workers on a straight-arm vehicle to adjust the positions of the rectangular steel pipes, the workers on the straight-arm vehicle untie the anti-falling nylon rope, and then two rectangular steel pipes are erected in the same method;
step two, after the three rectangular steel pipes are erected, workers on the straight-arm vehicle fix two ends of the three rectangular steel pipes and lower chords of two adjacent steel trusses in a one-to-one correspondence mode through long supporting beam fasteners, and then a temporary pedal is paved at each of the two ends and the middle of each of the three rectangular steel pipes;
thirdly, three workers on the overpass walkway correspondingly use three temporary pedals as working surfaces one by one, the steps are repeated to lay a plurality of rectangular steel pipes again, the three workers on the temporary pedals are matched with workers on the straight-arm vehicle by using hooks to adjust the positions of the rectangular steel pipes, and then long supporting beam fasteners are used for fixing two ends of each rectangular steel pipe on the lower chord of two adjacent steel trusses in one-to-one correspondence;
fourthly, after erecting and fixing a plurality of rectangular steel pipes on one side of the short square steel pipe, paving a first row of blockboards; when the blockboard is laid, two workers are matched with workers on the overpass walkway on the temporary pedal, the blockboard is placed on the rectangular steel pipe, and the workers on the temporary pedal are adjusted in place according to a drawing;
step five, taking the first row of the blockboards as a temporary platform, repeating the step one to the step four, and erecting a plurality of rectangular steel pipes on the other side of the short square steel pipe and paving the blockboards from the other overpass walkway;
step six, erecting a plurality of short square steel pipes, using paved temporary platforms on two sides for auxiliary erection, matching a lower straight-arm vehicle, sequentially placing the short square steel pipes at set positions, fixing two ends of each short square steel pipe on an upper wing plate of a lower chord of two adjacent steel trusses in a one-to-one correspondence manner by using short supporting beam fasteners, then connecting the short square steel pipes and the rectangular steel pipes on two sides into a whole through two connecting angle steels, and paving a middle blockboard after finishing the construction;
step seven, adjusting the space and the flatness of all the blockboards, aligning the dovetail grooves at the butt joint of all the blockboards, installing wedge blocks, and connecting the blockboards into an integral platform panel;
and step eight, installing the two anti-kicking plates, welding a plurality of installation grooves on the outer side surfaces of the vertical parts of the two connecting angle steels at intervals, and embedding the anti-kicking plates in the installation grooves.
In the method for erecting the high-altitude electromechanical engineering construction platform in the large-scale studio, the short supporting beam fastener is a tiger clamp in the sixth step.
The method for erecting the high-altitude electromechanical engineering construction platform in the large-scale studio further comprises the ninth step of respectively installing one transverse guardrail at each of two ends of the construction platform, wherein each transverse guardrail comprises three protective steel wire ropes, at least six rope clamps and three fixing clamps; firstly, three protective steel wire ropes are all arranged in a metal threading pipe in a penetrating way, and then the three protective steel wire ropes are arranged in parallel above, in the middle and below; two ends of the three protective steel wire ropes are fixed on the upright posts of one overpass guardrail on the opposite sides of the two overpass walkways in a one-to-one correspondence manner by the six rope clamps; the three fixing clips fix the middle parts of the three protective steel wire ropes on the vertical web members in a one-to-one correspondence manner.
The erection method of the high-altitude electromechanical engineering construction platform in the large-scale studio comprises the step ten of respectively installing a life line at two ends of the construction platform, wherein each life line comprises two buckle support columns and a life line steel wire rope, the lower ends of the two bayonet support columns are fixed on the top surface of the lower chord through a clamp, and two ends of the life line steel wire rope are fixed in through holes at the tops of the two buckle support columns.
The method for erecting the high-altitude electromechanical engineering construction platform in the large-scale studio utilizes the existing overpass walkway for erection and combines the straight-arm vehicle for gradual erection in sequence, so that the erection precision of the construction platform can be ensured, the construction platform has the characteristics of safe and reliable structure and high strength, and the construction safety and efficiency of high-altitude electromechanical engineering operation can be effectively ensured.
Drawings
FIG. 1 is a plan view of an electromechanical engineering construction platform of the present invention (before scaffold boards are laid);
FIG. 2 is a plan view of the electromechanical engineering construction platform of the present invention (after scaffold boards are laid);
FIG. 3 is an elevational view of the electromechanical engineering construction platform of the present invention;
FIG. 4 is a view taken along line A-A of FIG. 2;
FIG. 5 is an enlarged view of the portion P in FIG. 3;
FIG. 6 is a cross-sectional view B-B of FIG. 5;
FIG. 7 is an enlarged view of portion I of FIG. 4;
fig. 8 is a plan view of a woodworking plate in an electromechanical engineering construction platform of the present invention.
FIG. 9 is a state diagram illustrating a first step performed in the method for erecting an electromechanical engineering construction platform according to the present invention;
FIG. 10 is a state diagram illustrating a second step performed in the method for erecting an electromechanical engineering construction platform according to the present invention;
FIG. 11 is a state diagram of a third step performed in the method of erecting an electromechanical engineering construction platform of the present invention;
FIG. 12 is a state diagram illustrating a fourth step performed in the method for erecting an electromechanical engineering construction platform according to the present invention;
FIG. 13 is a state diagram of the fifth step performed in the method of erecting an electromechanical engineering construction platform of the present invention;
FIG. 14 is a state diagram illustrating a sixth step performed in the method for erecting an electromechanical engineering construction platform according to the present invention;
FIG. 15 is a state diagram illustrating a seventh step performed in the method for erecting an electromechanical engineering construction platform of the present invention;
fig. 16 is a state diagram of step eight performed in the method for erecting an electromechanical engineering construction platform according to the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
Referring to fig. 1 to 8, the erection method of the high-altitude electromechanical engineering construction platform in the large-scale photostudio comprises the steps that the photostudio comprises a roof formed by a plurality of steel trusses which are uniformly arranged in parallel at intervals, and each steel truss comprises an upper chord 11, a lower chord 12, a plurality of vertical web members 13 and a plurality of pairs of V-shaped diagonal web members 14; the upper chord 11, the lower chord 12, the vertical web members 13 and the inclined web members 14 are all made of I-shaped steel; a plurality of vertical web members 3 are uniformly connected between the upper chord 11 and the lower chord 12 at intervals; the lower ends of the pairs of diagonal web members 14 are connected to the lower chord members 12 and lean against the two sides of the plurality of vertical web members 13 in a one-to-one correspondence manner; an overpass walkway 2 is erected between two adjacent vertical web members 13 on the lower chord 12 of each steel truss; each overpass walkway 2 is composed of a bridge deck 21 and overpass guardrails 22 arranged on both sides of the bridge deck 21, and each overpass guardrail 22 is composed of a vertical column and a cross rod with the height of 1.2 m.
The invention relates to an erection method of a high-altitude electromechanical engineering construction platform in a large-scale photostudio, which is used for erecting the construction platform between lower chords 12 of two adjacent steel trusses, and two sides of the construction platform are leaned against the opposite sides of two adjacent overpass walkways 2 in a one-to-one correspondence manner; this construction platform includes a platform supporting beam, two angle joint irons 33, a plurality of long supporting beam fasteners 4, short supporting beam fasteners 5, two prevent playing down board 6, scaffold board 7, platform guardrail and two lifelines.
The platform support beam comprises a plurality of rectangular steel pipes 31 and four short square steel pipes 32; the length of the rectangular steel pipe 31 is greater than the distance between two adjacent steel trusses, if the distance between two adjacent steel trusses is 7.5m, the length of the rectangular steel pipe 31 is 8.2m, the length of the short square steel pipe 32 is 7.2m, a plurality of rectangular steel pipes 31 and four short square steel pipes 32 span between the lower chords 12 of the two adjacent steel trusses at intervals of 250mm, and two ends of the four short square steel pipes 32 are located at the node positions of the vertical web members 13 of the two adjacent steel trusses in a one-to-one correspondence manner; the rectangular steel pipes 31 and the short square steel pipes 32 have cross sections with a height of 120mm and a width of 90mm, and a plurality of bolt holes are uniformly formed in the centers of four sides of each rectangular steel pipe 31 and each short square steel pipe 32 at intervals along the length direction; four corners of each rectangular steel pipe 31 and each short square steel pipe 32 are provided with a bent reinforcing structure.
The length of the two connecting angle steels 33 is that the two adjacent overpass walkways 2 are correspondingly arranged at the inner sides of the lower chord members 12 of two adjacent steel trusses one by one; a plurality of perforations are formed at intervals corresponding to the plurality of rectangular steel pipes 31 and the four short square steel pipes 32 on the horizontal edge of each connecting angle 33, and each connecting angle 33 is arranged on the top surfaces of the plurality of rectangular steel pipes 31 and the top surfaces of the four short square steel pipes 32 in a manner that the plurality of perforations are aligned with the bolt holes of the plurality of rectangular steel pipes 31 and the four short square steel pipes 32 in a one-to-one correspondence manner.
The long support beam fasteners 4 fix two ends of the rectangular steel pipes 31 and the two connecting angle steels 33 on the top surfaces of the two lower chords 12 in a one-to-one correspondence manner; each long support beam fastener 4 comprises a U-shaped clip 41, two elastic clips 42 and two nuts 43; the U-shaped clamp 41 is formed by bending a steel bar of which two ends are threaded and the diameter is matched with that of a bolt hole in the rectangular steel pipe 31, the opening width of the U-shaped clamp 41 is larger than or equal to that of the lower chord 12, the U-shaped clamp 41 is sleeved on the lower chord 12 in a clamping mode from bottom to top in an opening-up mode, one end of the U-shaped clamp 41 upwards penetrates through the bolt hole in the bottom surface of the rectangular steel pipe 31 and the bolt hole in the top surface of the rectangular steel pipe 31 in sequence, and the other end of the U-shaped clamp 41 upwards penetrates through the bolt hole in the bottom surface of the rectangular steel pipe 31, the bolt hole in the top surface of the rectangular steel pipe 31 and the through hole in the connecting angle steel 33 in sequence until the inner bottom surface of the U-shaped clamp 41 is attached to the bottom surface of the lower wing plate of the lower chord 12; the two elastic clamps 42 are clamped at two ends of the top surface of the U-shaped clamp 41, which is exposed out of the rectangular steel pipe 31 and the top surface of the transverse part of the connecting angle steel 33, in a one-to-one correspondence manner; two nuts 43 are screwed on both ends of the U-shaped clip 41 on the upper portion of the elastic clip 41 in a one-to-one correspondence manner, so that the rectangular steel pipe 31 is fixed on the top surface of the lower chord 12.
The eight short supporting beam fasteners 5 fix two ends of the four short square steel pipes 32 and two connecting angle steels 33 on the top surface of the inner side of the lower chord 12 in a one-to-one correspondence manner.
The two anti-kicking plates 6 are correspondingly arranged on the inner sides of the two connecting angle steels 33 one by one; every prevents playing the mounting groove of falling board embedding on the lateral surface of the vertical portion of a plurality of interval spot welding at angle steel. The anti-kicking plate 6 is made of a wood plate with the thickness of 20mm and the width of more than or equal to 150 mm; the length of the anti-kicking plate 6 is the distance between two adjacent overpass walkways 2.
The scaffold boards 7 are laid on the platform support beam, two ends of the scaffold boards 7 are abutted against the inner side surfaces of the two anti-kicking boards 6 in a one-to-one correspondence manner, and two sides of the scaffold boards 7 are abutted against the outer side surfaces of two bridge deck support steel beams (the height is more than 150mm) of the overpass walkway 2 in a one-to-one correspondence manner; the scaffold board 7 is formed by splicing a plurality of rectangular blockboards 7A, and the length multiplied by the width multiplied by the thickness of each blockboard 7A is 1150mm multiplied by 2300mm multiplied by 20 mm; the dovetail grooves 70 are formed in four corners of each block board 7A, each block board 7A is laid in a mode that the dovetail grooves 70 of the block boards 7A are aligned with the dovetail grooves 70 of the adjacent block boards 7A, and the block boards 71 are embedded in double dovetail groove holes 70 formed by the two dovetail grooves 70 which are butted and then enclosed, so that the plurality of block boards 7A are connected into the integrated scaffold board 7.
The platform guardrail comprises two longitudinal guardrails and two transverse guardrails; the two longitudinal guardrails are the overpass guardrails 22 at the inner sides of the two overpass walkways 2; the two transverse guardrails are arranged at two ends of the construction platform in a one-to-one correspondence manner, each transverse guardrail comprises three protective steel wire ropes 80, at least six rope clamps 81 and three fixing clamps 82, the three protective steel wire ropes 80 are arranged in parallel above, in the middle and below, and the heights from the scaffold plate 7 are 1165mm, 860mm and 555mm respectively; the six rope clamps 81 fix two ends of the three protective steel wire ropes 80 on the upright posts of one overpass guardrail 22 at the opposite sides of the two overpass walkways 2 in a one-to-one correspondence manner; the three fixing clips 82 fix the middle of the three protective steel wire ropes 80 on the vertical web member 13 in a one-to-one correspondence manner.
The two lifelines are arranged at two ends of the construction platform in a one-to-one correspondence mode, and each lifeline comprises two buckle supporting columns 91 and a lifeline steel wire rope 92 connected between the tops of the two buckle supporting columns 91; the lifeline is used for a constructor to hang a safety belt, and the safety belt is hung on the lifeline wire rope 92 during construction work.
The construction platform has the following characteristics:
1) a plurality of rectangular steel pipes and a plurality of short square steel pipes are used as a platform supporting beam, and a plurality of long supporting beam fasteners and short supporting beam fasteners are used for fixing two ends of the plurality of rectangular steel pipes and two ends of the four short square steel pipes on lower chords of two adjacent steel trusses so as to limit the longitudinal displacement of the platform supporting beam;
2) adopting two connecting angle steels to transversely connect the platform support beams into a whole so as to limit the transverse displacement of the platform support beams;
3) in order to prevent the scaffold boards from sliding and the stressed side edges from tilting, the dovetail grooves are arranged at four corners of each blockboard, and after the blockboards are paved, all the blockboards are connected into an integral scaffold board by adopting wedge-shaped blocks, so that each blockboard cannot generate dislocation, the connection is firm and reliable, the splicing flatness is good, and the stability of the scaffold board is effectively ensured;
4) because the construction platform is erected between the two overpass walkways, the height of the erected steel beam of the overpass walkway is more than 150mm, and the two sides of the overpass walkway are also provided with the guard rails, the construction platform does not need to be provided with the guard rails and the anti-kicking baffle plates at the side of the overpass walkway, and the side of the lower chord of the steel truss is provided with the transverse guard rails and the anti-kicking baffle plates; the transverse guardrails can ensure the safety of personnel on the construction platform; the anti-kicking baffle can prevent small articles on the construction platform from being kicked, dropped and fallen to endanger the safety of personnel on the ground.
Referring to fig. 9 to 16, the method for erecting the high altitude electromechanical engineering construction platform in the large studio of the present invention includes the following steps:
step one, standing one worker at each of two ends of the same overpass walkway 2, and standing one worker at the middle of the overpass walkway 2; the middle position of a rectangular steel pipe 31 is bound by one end of an anti-falling nylon rope, and the other end of the anti-falling nylon rope is fixed on the overpass walkway 2; two workers standing at two ends of the overpass walkway 2 and a worker standing in the middle of the overpass walkway 2 respectively use a hook and an anti-falling nylon rope to convey the rectangular steel pipe 31 to the lower chord 12 of two adjacent steel trusses, and then the rectangular steel pipe 31 is matched with workers on the straight-arm vehicle 10 to adjust the position, and the anti-falling nylon rope is untied by the workers on the straight-arm vehicle 10; then, two rectangular steel pipes 31 are erected in the same way;
step two, after the three rectangular steel pipes 31 are erected, a worker on the straight-arm vehicle 10 fixes the two ends of the three rectangular steel pipes 31 and the lower chords 12 of two adjacent steel trusses in a one-to-one correspondence manner by using long supporting beam fasteners 4, and then respectively lays a temporary pedal 20 at the two ends and in the middle of each of the three rectangular steel pipes 31;
thirdly, three workers on the overpass walkway 2 correspondingly use three temporary pedals 20 as working surfaces one by one, the steps are repeated to lay a plurality of rectangular steel pipes 31, the three workers on the temporary pedals 20 are matched with workers on the straight-arm vehicle 10 by using hooks to adjust the positions of the rectangular steel pipes 31, and then two ends of each rectangular steel pipe 31 are fixed on the lower chord 12 of two adjacent steel trusses correspondingly one by using a long supporting beam fastener 4;
fourthly, after erecting and fixing a plurality of rectangular steel pipes 31 on one side of the short square steel pipe 32, paving a first row of blockboards 7A; when the blockboard 7A is laid, two workers are matched with workers on the overpass walkway 2 on the temporary pedal 20, the blockboard 7A is placed on the rectangular steel pipe 31, and the workers on the temporary pedal 20 are adjusted in place according to a drawing;
step five, repeating the step one to the step four, erecting a plurality of rectangular steel pipes 31 on the other side of the short square steel pipe 32 and paving the blockboards 7A from the other overpass walkway 2, and taking the first row of blockboards 7A as a temporary platform;
sixthly, erecting a plurality of short square steel pipes 32, using paved temporary platforms on two sides for auxiliary erection, matching the lower straight-arm vehicle 10, placing the plurality of short square steel pipes 32 at a set position, fixing two ends of the plurality of short square steel pipes 32 on an upper wing plate of a lower chord 12 of two adjacent steel trusses in a one-to-one correspondence manner by using short supporting beam fasteners 5, using tiger clips to clamp the short supporting beam fasteners, then connecting the plurality of short square steel pipes 32 and the plurality of rectangular steel pipes 31 on two sides into a whole through two connecting angle irons 33, and paving a middle blockboard 7A after finishing;
step seven, firstly adjusting the space and the flatness of all the woodworking plates 7A, aligning the dovetail grooves 70 at the butt joint of all the woodworking plates 7A, then installing wedge blocks 71, and connecting all the woodworking plates 7A into a whole to form the platform panel 7;
step eight, install two and prevent playing board 6, every installation mode of preventing playing board 6 is: firstly, spot-welding a plurality of mounting grooves 60 which are made of steel plates and have upward openings on the outer side surfaces of the vertical parts of the connecting angle steels 33 at intervals, and then embedding the anti-kicking plates 6 in the mounting grooves 60;
step nine, respectively installing a transverse guardrail at two ends of the construction platform, firstly, penetrating three protective steel wire ropes 80 into the metal threading pipe, and then arranging the three protective steel wire ropes 80 in parallel above, in the middle and below; the six rope clamps 81 fix two ends of the three protective steel wire ropes 80 on the upright posts of one overpass guardrail 22 at the opposite sides of the two overpass walkways 2 in a one-to-one correspondence manner; the three fixing clips 82 fix the middle parts of the three protective steel wire ropes 80 on the vertical web members 13 in a one-to-one correspondence manner; the fixing clip 82 is preferably a tiger clip;
step ten, installing a life line at each of two ends of the construction platform, fixing the lower ends of the two bayonet struts 91 on the top surface of the lower chord 12 through a clamp, and fixing two ends of the regenerated life line steel wire rope 92 in through holes at the tops of the two bayonet struts 91.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.

Claims (4)

1. A method for erecting a high-altitude electromechanical engineering construction platform in a large photostudio comprises the steps that the large photostudio comprises a roof formed by a plurality of steel trusses which are arranged in parallel at intervals; each steel truss comprises an upper chord member, a lower chord member, a plurality of vertical web members and a plurality of pairs of V-shaped oblique web members; the upper chord member, the lower chord member, the vertical web members and the inclined web members are all made of I-shaped steel; a plurality of vertical web members are uniformly connected between the upper chord member and the lower chord member at intervals; the lower ends of the oblique web members are connected to the lower chord members and lean against the two sides of the vertical web members in a one-to-one correspondence manner; an overpass walkway is erected between two adjacent vertical web members on the lower chord of each steel truss; each overpass walkway comprises a bridge deck and two overpass guardrails which are arranged on two sides of the bridge deck in a one-to-one correspondence manner, and each overpass guardrail comprises an upright post and a cross rod;
the construction platform erecting method is used for erecting the construction platform between the lower chords of two adjacent steel trusses, and two sides of the construction platform are leaned against the opposite sides of two adjacent overpass walkways in a one-to-one correspondence manner; the construction platform comprises a platform supporting beam, two connecting angle steels, a plurality of long supporting beam fasteners, a short supporting beam fastener, two anti-kicking plates and a scaffold plate;
the platform support beam comprises a plurality of rectangular steel pipes and a plurality of short square steel pipes; the long square steel pipes and the short square steel pipes are uniformly spanned between the lower chords of two adjacent steel trusses at intervals, and two ends of the short square steel pipes are correspondingly positioned at the node positions of the vertical web members of the two adjacent steel trusses one by one; a plurality of bolt holes are formed in the centers of four sides of each rectangular steel pipe and each short square steel pipe at intervals along the length direction;
the two connecting angle steels are correspondingly arranged on the inner sides of the lower chords of two adjacent steel trusses one by one; a plurality of through holes are formed in the horizontal edge of each connecting angle steel corresponding to the space between the plurality of rectangular steel pipes and the plurality of short square steel pipes, and each connecting angle steel is arranged on the top surfaces of the plurality of rectangular steel pipes and the top surfaces of the plurality of short square steel pipes in a mode that the plurality of through holes are aligned with the bolt holes of the plurality of rectangular steel pipes and the plurality of short square steel pipes in a one-to-one correspondence manner;
the two ends of the rectangular steel pipes and the two connecting angle steels are fixed on the top surfaces of the two lower chords in a one-to-one correspondence manner by the long supporting beam fasteners; each long supporting beam fastener comprises a U-shaped clamp, two elastic clamps and two nuts; the U-shaped clamp is formed by bending a steel bar of which two ends are threaded ends and the diameter is matched with that of the bolt hole in the rectangular steel pipe, the opening width of the U-shaped clamp is larger than or equal to that of the lower chord member, the U-shaped clamp is sleeved on the lower chord member from bottom to top in a mode that the opening is upward, one end of the U-shaped clamp sequentially penetrates through the bolt hole in the bottom surface of the rectangular steel pipe and the bolt hole in the top surface of the rectangular steel pipe upwards, and the other end of the U-shaped clamp sequentially penetrates through the bolt hole in the bottom surface of the rectangular steel pipe, the bolt hole in the top surface of the rectangular steel pipe and the through hole in the connecting angle steel upwards until the inner bottom surface of the U-shaped clamp is attached to the bottom surface of the lower wing plate of the lower chord member; the two elastic clamps are clamped at two ends of the top surface of the U-shaped clamp, which is exposed out of the top surface of the rectangular steel pipe and the top surface of the transverse part of the connecting angle steel one by one; the two nuts are screwed at two ends of the U-shaped clamp at the upper part of the elastic clamp in a one-to-one correspondence manner, so that the rectangular steel pipe is fixed on the top surface of the lower chord;
the two ends of the short square steel pipes and the connecting angle steel are fixed on the top surfaces of the inner sides of the two lower chords in a one-to-one correspondence mode through the short supporting beam fasteners;
the two anti-kicking plates are arranged on the inner sides of the two connecting angle steels in a one-to-one correspondence manner; each anti-kicking plate is embedded in a plurality of mounting grooves which are welded on the outer side surface of the vertical part of the connecting angle steel at intervals;
the scaffold board is laid on the platform support beam; the scaffold board is formed by splicing a plurality of rectangular blockboards, four corners of each blockboard are provided with dovetail grooves, each blockboard is laid in a mode that the dovetail grooves of the blockboard are aligned with the dovetail grooves of the adjacent blockboard, and the blockboard is embedded in a double-dovetail groove hole formed by enclosing two butted dovetail grooves through a wedge-shaped block;
the erection method is characterized by comprising the following steps:
step one, standing one worker at each of two ends of the same overpass walkway, and standing one worker at the middle of the overpass walkway; binding the middle position of the rectangular steel pipe by one end of an anti-falling nylon rope, and fixing the other end of the anti-falling nylon rope on the overpass walkway; two workers standing at two ends of an overpass walkway and a worker standing in the middle of the overpass walkway respectively use a hook and an anti-falling nylon rope to convey rectangular steel pipes to two adjacent steel trusses, then the rectangular steel pipes are matched with workers on a straight-arm vehicle to adjust the positions of the rectangular steel pipes, the workers on the straight-arm vehicle untie the anti-falling nylon rope, and then two rectangular steel pipes are erected in the same method;
step two, after the three rectangular steel pipes are erected, workers on the straight-arm vehicle fix two ends of the three rectangular steel pipes and lower chords of two adjacent steel trusses in a one-to-one correspondence mode through long supporting beam fasteners, and then a temporary pedal is paved at each of the two ends and the middle of each of the three rectangular steel pipes;
thirdly, three workers on the overpass walkway correspondingly use three temporary pedals as working surfaces one by one, the steps are repeated to lay a plurality of rectangular steel pipes again, the three workers on the temporary pedals are matched with workers on the straight-arm vehicle by using hooks to adjust the positions of the rectangular steel pipes, and then long supporting beam fasteners are used for fixing two ends of each rectangular steel pipe on the lower chord of two adjacent steel trusses in one-to-one correspondence;
fourthly, after erecting and fixing a plurality of rectangular steel pipes on one side of the short square steel pipe, paving a first row of blockboards; when the blockboard is laid, two workers are matched with workers on the overpass walkway on the temporary pedal, the blockboard is placed on the rectangular steel pipe, and the workers on the temporary pedal are adjusted in place according to a drawing;
step five, taking the first row of the blockboards as a temporary platform, repeating the step one to the step four, and erecting a plurality of rectangular steel pipes on the other side of the short square steel pipe and paving the blockboards from the other overpass walkway;
step six, erecting a plurality of short square steel pipes, using paved temporary platforms on two sides for auxiliary erection, matching a lower straight-arm vehicle, sequentially placing the short square steel pipes at set positions, fixing two ends of each short square steel pipe on an upper wing plate of a lower chord of two adjacent steel trusses in a one-to-one correspondence manner by using short supporting beam fasteners, then connecting the short square steel pipes and the rectangular steel pipes on two sides into a whole through two connecting angle steels, and paving a middle blockboard after finishing the construction;
step seven, adjusting the space and the flatness of all the blockboards, aligning the dovetail grooves at the butt joint of all the blockboards, installing wedge blocks, and connecting the blockboards into an integral platform panel;
and step eight, installing the two anti-kicking plates, welding a plurality of installation grooves on the outer side surfaces of the vertical parts of the two connecting angle steels at intervals, and embedding the anti-kicking plates in the installation grooves.
2. An erection method of an upper-altitude electromechanical engineering construction platform in a large-scale photographic studio according to claim 1, characterized in that in the sixth step, the short supporting beam fastener is a tiger clamp.
3. An erection method of an upper-altitude electromechanical engineering construction platform in a large-scale studio according to claim 1, characterized in that the erection method further comprises a ninth step of respectively installing one transverse guardrail at both ends of the construction platform, each transverse guardrail comprises three protective steel wire ropes, at least six rope clamps and three fixing clamps; firstly, three protective steel wire ropes are all arranged in a metal threading pipe in a penetrating way, and then the three protective steel wire ropes are arranged in parallel above, in the middle and below; two ends of the three protective steel wire ropes are fixed on the upright posts of one overpass guardrail on the opposite sides of the two overpass walkways in a one-to-one correspondence manner by the six rope clamps; the three fixing clips fix the middle parts of the three protective steel wire ropes on the vertical web members in a one-to-one correspondence manner.
4. An erection method of an overhead electromechanical engineering construction platform in a large-scale studio according to claim 1, characterized in that the erection method further comprises a tenth step of installing a lifeline at each of the two ends of the construction platform, each lifeline comprising two bayonet struts and a lifeline steel wire rope, fixing the lower ends of the two bayonet struts on the top surfaces of the lower chords through clamps, and fixing the two ends of the lifeline steel wire rope in through holes at the tops of the two bayonet struts.
CN202111398043.6A 2021-11-19 2021-11-19 Method for erecting high-altitude electromechanical engineering construction platform in large-scale studio Active CN114033146B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205314519U (en) * 2016-01-21 2016-06-15 中建安装工程有限公司 High altitude operation platform based on truss
US20180223548A1 (en) * 2017-02-03 2018-08-09 David Jay Brownmiller Catwalk floorbeam connection system
CN208039793U (en) * 2018-03-30 2018-11-02 中建一局集团安装工程有限公司 A kind of detachable operating platform of steel pipe truss string structure installing Cable-clamp
CN111350338A (en) * 2020-04-14 2020-06-30 中国建筑第四工程局有限公司 Construction steel platform for super-long overhanging structure of high-rise building
CN211341677U (en) * 2019-11-27 2020-08-25 广州卓筑建筑设计有限公司 Underprop type maintenance berm structure
CN112796528A (en) * 2021-02-23 2021-05-14 中冶建工集团重庆钢结构有限公司 Construction method for high-altitude in-situ splicing of large-span steel truss
CN112962664A (en) * 2021-01-29 2021-06-15 中冶东方工程技术有限公司 Overhead cable corridor with steel pipe truss structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205314519U (en) * 2016-01-21 2016-06-15 中建安装工程有限公司 High altitude operation platform based on truss
US20180223548A1 (en) * 2017-02-03 2018-08-09 David Jay Brownmiller Catwalk floorbeam connection system
CN208039793U (en) * 2018-03-30 2018-11-02 中建一局集团安装工程有限公司 A kind of detachable operating platform of steel pipe truss string structure installing Cable-clamp
CN211341677U (en) * 2019-11-27 2020-08-25 广州卓筑建筑设计有限公司 Underprop type maintenance berm structure
CN111350338A (en) * 2020-04-14 2020-06-30 中国建筑第四工程局有限公司 Construction steel platform for super-long overhanging structure of high-rise building
CN112962664A (en) * 2021-01-29 2021-06-15 中冶东方工程技术有限公司 Overhead cable corridor with steel pipe truss structure
CN112796528A (en) * 2021-02-23 2021-05-14 中冶建工集团重庆钢结构有限公司 Construction method for high-altitude in-situ splicing of large-span steel truss

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