CN110424710A - Elevator tool-type all steel operation platform construction - Google Patents
Elevator tool-type all steel operation platform construction Download PDFInfo
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- CN110424710A CN110424710A CN201910698181.2A CN201910698181A CN110424710A CN 110424710 A CN110424710 A CN 110424710A CN 201910698181 A CN201910698181 A CN 201910698181A CN 110424710 A CN110424710 A CN 110424710A
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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
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
-
- 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
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety devices
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The present invention discloses a kind of elevator tool-type all steel operation platform construction, including A preparation of construction, the selection of B material, C blanking, and D screws eye, E welding, assembled, F brush antirust paint, G lifting, and H makes hard protection steel platform, and I is used, and J is removed.Frontier defense drop protection is faced as elevator using elevator tool-type all steel operation platform the present invention provides a kind of, it is easy to process, detachably, it can successively be promoted with main structure, cooperated during promotion with tower crane, has handling convenient, speed of application is fast, the construction for the features such as occupied ground is few, and safety work is secure, installation is easy to operate, practical.The present invention reinforces that process is simple, and Forming Quality is good, disposably puts into reusable, does not need to set up steel pipe frame, only do floor closing, can save steel pipe rental charge, and remarkable in economical benefits is easy for installation, is easy to remove, and carries and convenient transportation.
Description
Technical field
Design building construction field of the present invention, specially a kind of elevator tool-type all steel operation platform construction.
Background technique
In high building structure construction, the conventionally employed console mode steel pipe of formwork (wooden model, aluminum dipping form) operation of elevator is buckled
The part landing stage of scaffold (or I-steel overarm operating platform) sets up time length and need to put into a large amount of human and material resources.With setting up
Height is higher, and bracket is more unstable, and there are biggish security risks；I-steel hole, the work of wall-connecting piece sealing hole simultaneously
Amount, closure can't meet the quality requirement, and there are wall face out-of-flatness, later period leaks etc.；The lag such as elevator transfering work.
Therefore, in order to make movable platform in construction convenient for operation, it is in place fixed, reduce workload, reduce security risk,
Civilized construction is improved, construction of the elevator tool-type all steel operation platform for providing one kind new as template construction operating platform
Engineering method has been a good problem to study.
Summary of the invention
In order to overcome the deficiencies in the prior art described above, the present invention provides elevator tool-type all steel operation platform works
Method, the engineering method do not increase construction cost, have the advantages that easy to operate, construction safety, speed are fast, high-efficient.
The present invention realizes that the technical solution of above-mentioned purpose is as follows:
Elevator tool-type all steel operation platform construction, comprising the following steps:
A preparation of construction mainly includes A1 technique preparation, and A2 preparation at the construction site, it is standby that A3 goods and materials prepare A4 construction team Huaihe River.
The selection all steel operation platform main joist and all steel operation platform secondary joist of B material are adopted using channel steel, operating platform
With checkered steel plate (11).
Material model is checked in C blanking inspection, is determined reasonable cutting length, is avoided waste of material.
D screws eye according to design drawing, and in main joist channel steel and the corresponding position of secondary joist channel steel, screw eye.
According to design drawing, the channel steel that main joist is used is welded as at least two right angle tripods for E welding, assembly
(1)；(1) one vertical edges a (2) of right angle tripod and checkered steel plate (11) are welded；One section of work of another vertical edges b (3) lower part
For vertical edges, right angled triangle (4) are formed with two channel steels that secondary joist uses, and this vertical edges (2) bottom stage and time dragon
The Ka Jiao (6) of bone channel steel right-angle side (5) composition ┐ shape structure.
After the welding assembly of F brush antirust paint is complete, antirust brushing is carried out to frame body.
After G is lifted on the assembled simultaneously passed examination of elevator tool-type all steel operation platform, lifting experiment is carried out, meets and uses
After it is required that, then with tower crane by the allocation and transportation for being assembled into section steel platform to construction site, lifted.
After H makes hard protection steel platform with main structure up each layer of promotion, need to use in corresponding lower part
Closing measure makes hard protection steel platform (10).
I uses the form erecting operation using elevator tool-type all steel operation platform elevator.
After J removes main structure construction to secondary two layers of roofing lower layer, elevator tool-type all steel operation platform is recalled, is hung
In the outer preparation disassembly of building.
Further, step A1 technique preparation concrete mode are as follows: examine that elevator, elevator tool-type all steel operation platform are set
Drawing is counted, checks whether drawing is complete, and drawing itself has inerrancy and contradiction, and can design content consistent with execution conditions, compiles
It special construction plan processed and confides a technological secret；Step A2 preparation at the construction site concrete mode are as follows: do that road is logical, electricity is logical, water is logical, smooth well
Place takes reinforcing, changes the measures such as fill out for position soft in place；It is to carry out construction that step A3 goods and materials, which prepare concrete mode,
Mechanical and equipment preparation carries out maintenance trial run work to existing mechanical tool；Still scarce mechanical tool will be ordered immediately,
Lease or production；Step A4 construction team Huaihe River is to establish and improve, enrich, construction organization mechanism for concrete mode, rational allocation,
The combination of labour group is arranged, worker is planned, technology, safety are told somebody what one's real intentions are.
Further, in the selection of step B material, the main joist is using Q235 grades of [No. 8 channel steels, the secondary joist uses
Q235 grades [No. 8 channel steels, the operating platform use 2.5mm thickness checkered steel plate (11), and screw uses θ 18kg.
Further, in step C blanking, in strict accordance with design drawing cutting length, cutting position is marked on material, is used
Cutting machine cuts fashioned iron according to drawing size, marks dash number and classifies.
Further, step E is welded, in assembly, and right angle tripod (1) is parallel to each other and uniform welding is in checkered steel plate (11)
Bottom, according to design drawing, the channel steel that secondary joist is used is arranged by screw (9) in right angle tripod as connecting rod (7)
(1) in, the vertical edges (2) to connect with checkered steel plate (11) are parallel to；The channel steel that secondary joist is used leads to as connecting rod (7)
It crosses screw (9) to be arranged between right angle tripod (1), 18 reinforcing bar of ф is set on checkered steel plate (11) and does hanging ring (8) 4, welding
On the operational platform, to facilitate lifting construction.
Further, in step F brush antirust paint, processing of rust removing is carried out to frame body, clears up frame body pad welding slag, checks welding
Quality brushes twice of antirust paint.
Further, in step G lifting, the main structure construction to be built of this elevator tool-type all steel operation platform enters mark
When quasi- layer, this elevator tool-type all steel operation platform is lifted in elevator using tower crane.Promote process: promotion application →
It is checked before being promoted → is promoted to next layer → Ka Jiao with tower crane and fixes → acceptance(check) → use.Elevator internal shear force when lifting
Wall, beam column concrete reach intensity 1.21N/mm2When, cylinder side form can be removed and lifted.After rigging out, security official couple
After installing the qualifications that carry out an acceptance inspection such as welding node, whole deformation values, the plate face stability of steelframe platform, can deliver worker makes
With.
Further, the specific closing measure of H production hard protection steel platform is as follows:
1, elevator, steel pipe spacing 500mm are passed across in the horizontal direction with steel pipe.
2, template is completely laid on steel pipe, gap is not more than 20mm between template and the borehole wall.
3, floor closing is arranged according to 3 layer of one closing.
Further, when step J is removed, screw, frame body are dismantled, and concentrate stacking, protects welding finished product.
Beneficial effects of the present invention:
1, frontier defense drop protection being faced as elevator using elevator tool-type all steel operation platform, platform is easy to process,
Detachably, it can successively be promoted with main structure, be cooperated during promotion with tower crane, have handling convenient, speed of application is fast,
The features such as occupied ground is few, and safety work is secure, installation is easy to operate, practical.
2, it reinforces that process is simple, and Forming Quality is good, disposably puts into reusable, and security performance can more be protected
Barrier.The following hoistway of operation platform does not need to set up steel pipe frame in elevator, only does floor closing, can save steel pipe lease
Take, remarkable in economical benefits.
3, be not provided on shear wall wall-connecting piece, overhanging I-steel hole, reduce later period sealing hole can't meet the quality requirement, after
The drawbacks such as phase leak.
4, entire frame body skeleton part is bolted with No. 18, easy for installation, is easy to remove, carrying and convenient transportation.
It is promoted and uses the vertical handling of tower crane, save the time, operator only uses 1 people that can complete entirely to promote work.Lift shaft dimensions
If variation influences less, turnover panel progress Seal treatment to can be used or top steel plate is welded with processing, this bone within the scope of 500mm
Frame is constant.Form amorphization, tool.
5, elevator can be transferred in advance.
Detailed description of the invention
Fig. 1 is elevator tool-type all steel operation platform main view；
Fig. 2 is elevator tool-type all steel operation platform right angle tripod side schematic view；
Fig. 3 is elevator tool-type all steel operation platform right angle tripod front face schematic diagram；
Fig. 4 is elevator tool-type all steel operation platform right angled triangle schematic diagram；
Fig. 5 is elevator tool-type all steel operation platform construction process；
Wherein.1, right angle tripod；2, vertical edges a；3, vertical edges b；4, right angled triangle；5, secondary joist channel steel right angle
Side；6, Ka Jiao；7, connecting rod；8, hanging ring；9, screw；10, hard protection steel platform；11, checkered steel plate.
Specific embodiment
Elevator tool-type all steel operation platform construction, comprising the following steps:
A preparation of construction mainly includes A1 technique preparation, examines elevator, elevator tool-type all steel operation platform design drawing
Paper checks whether drawing is complete, and drawing itself has inerrancy and contradiction, and can design content consistent with execution conditions, and establishment is special
It arrangement and method for construction and confides a technological secret；
A2 preparation at the construction site, does that road is logical, electricity is logical, water is logical, smooth location well, for position soft in place, take plus
Gu, change the measures such as fill out
A3 goods and materials prepare, and carry out the preparation of construction machinery and equipment, carry out maintenance trial run work to existing mechanical tool；
Still scarce mechanical tool will be ordered immediately, leased or be made
A4 construction team Huaihe River is standby, establishes and improve, enriches, construction organization mechanism, and rational allocation arranges labour group group
It closes, worker is planned, technology, safety are told somebody what one's real intentions are.
The selection all steel operation platform main joist of B material uses Q235 grades, and [No. 8 channel steels and all steel operation platform secondary joist are adopted
Using Q235 grades with channel steel, [No. 8 channel steels, operating platform use 2.5mm thickness checkered steel plate 11 using checkered steel plate 11.
Material model is checked in C blanking inspection, is determined reasonable cutting length, is avoided waste of material.In strict accordance with design drawing
Cutting length marks cutting position on material, is cut fashioned iron according to drawing size using cutting machine, marks part volume
Number and classify.
D screws eye according to design drawing, and in main joist channel steel and the corresponding position of secondary joist channel steel, screw eye.
According to design drawing, the channel steel that main joist is used is welded as at least two right angle tripods 1 for E welding, assembly；
Tripod 1 one vertical edges a 2 in right angle is welded with checkered steel plate 11；One section of another 3 lower part vertical edges b is used as vertical edges, with
Two channel steels that secondary joist uses form right angled triangle 4, and 5 groups of this 2 bottom stage of vertical edges and secondary joist channel steel right-angle side
At the card angle 6 of ┐ shape structure.Right angle tripod 1 is parallel to each other and uniform welding is in 11 bottom of checkered steel plate, according to design drawing,
The channel steel that secondary joist is used is arranged in right angle tripod 1 by screw 9, is parallel to and checkered steel plate 11 as connecting rod 7
The vertical edges 2 to connect；The channel steel that secondary joist is used is arranged between right angle tripod 1, in flower as connecting rod 7 by screw 9
18 reinforcing bar of ф is set on line steel plate 11 and does hanging ring 8 four, is welded on the operational platform, to facilitate lifting construction, with specific reference to figure
1、2、3。
After the welding assembly of F brush antirust paint is complete, antirust brushing is carried out to frame body.Processing of rust removing is carried out to frame body, clears up frame body
Pad welding slag checks welding quality, brushes twice of antirust paint.
After G is lifted on the assembled simultaneously passed examination of elevator tool-type all steel operation platform, lifting experiment is carried out, meets and uses
After it is required that, then with tower crane by the allocation and transportation for being assembled into section steel platform to construction site, lifted.This elevator tool-type is complete
Steel operation platform is when building main structure construction and entering index bed, using tower crane by this elevator tool-type all steel operation platform
It is lifted in elevator.Promoted process: promoted application → promotion before check → with tower crane be promoted to next layer → Ka Jiao fix →
Acceptance(check) → use.Elevator internal shear force wall, beam column concrete reach intensity 1.21N/mm when lifting2When, cylinder can be removed
Side mould is lifted.After rigging out, security official stablizes the welding node of installation steelframe platform, whole deformation values, plate face
Property etc. after the qualification that carries out an acceptance inspection, worker's use can be delivered
After H makes hard protection steel platform with main structure up each layer of promotion, need to use in corresponding lower part
Closing measure makes hard protection steel platform 10.Specific closing measure is as follows:
1, elevator, steel pipe spacing 500mm are passed across in the horizontal direction with steel pipe.
2, template is completely laid on steel pipe, gap is not more than 20mm between template and the borehole wall.
3, floor closing is arranged according to 3 layer of one closing.
I uses the form erecting operation using elevator tool-type all steel operation platform elevator.
After J removes main structure construction to secondary two layers of roofing lower layer, elevator tool-type all steel operation platform is recalled, is hung
In the outer preparation disassembly of building.Screw, frame body are dismantled, and concentrates stacking, protects welding finished product
Embodiment 1
(31 2, floor, 2,32 floor), the high 3m of layer, elevator layer are calculated with Baoshan Yongchang Jing Yuan construction project construction generic term for a building, e. g. Apartment, store, a movie theater, etc.
It is totally 126 layers of number, a height of 126 layers * 3 meters/layers=378 meters (40 meters of every layer of steel pipe of each elevator is taken based on averagely) total, entire
During main body construction, each elevator needs using steel pipe maximum to be 378*40=15120 meters, and 1.9 yuan of steel pipe daily rental fee/
Ton, every meter of steel pipe weight 3.84Kg, then 3.84Kg/ meters of ÷ 1000*1.9 yuan/ton days of steel pipe daily rent=15120 meter *=
110.3 yuan, fastener rent (including cleaning charge) is 0.01 yuan/* days, and every layer of fastener is 15, totally 378 layers * 15=5670
It is a；* 0.01 yuan/of fastener daily rental fee=5670=56.7 yuan/day；Steel pipe, fastener daily rental fee are=110.3 yuan+56.7 yuan
=167 yuan.The main body construction duration takes based on 330 days, the entire main structure construction stage, and steel pipe, fastener rent are member 330*167
=55110 yuan.This project elevator construction area is 2.1m*2.5m*126+2m*2m*126=1165.5m2, because of this project frame
It is 17 yuan/square meter (including I-steel pre-buried and installation) that son, which such as sets up, removes, transporting at the labor services comprehensive unit price, then labour cost is
1165.5m2*17 member/m2=19813.5 member.Steel pipe and the fastener proportion of goods damageds are calculated by 4%, then are (55110 yuan+19813.5
Member) * 4%=2996 member.Total cost is 77919.5 yuan.
It is main because in high-building construction, construction of lift well is differed greatly using steel pipe scaffold and operating platform
If as caused by the two construction, manufacture craft, the standardization level of material difference.It is carried out below according to live practical investment
The analysis of prices is compared, and is shown in Table 1.
Table 1 uses the analysis of prices of steel pipe scaffold and hoistway operation platform (by taking embodiment 1 as an example)
By analyzing above, which compared with using steel pipe scaffold, can be saved using the total cost of operating platform
58559 yuan.And with the increase of building height, cost difference is more obvious.
Embodiment 2
Baoshan Qingyang the second stage of the project is work of renovating shantytowns project, is that the Chinese government is tired for transformation cities and towns danger time worn building, improvement
Difficult family housing condition and the project supported by commen people released, A house type 5,6,7,8: 11 floor on the ground, building height 35.55m, one
The front-seat business of layer, the high 4.4m of layer, residential building high 3.0m layer by layer, basement one.B house type 11: 16 floor on the ground, building height
49.95m, residential building high 3.0m layer by layer, basement one.C house type 9,10,17,18,21: 17 floor on the ground, building height
52.92m, residential building high 3.0m layer by layer, wherein 9,10,21 basement ones, D house type 19,20: 26 floor on the ground, building height
79.95m, residential building high 3.0m layer by layer, basement one, wherein the front-seat business of 19 floor, the high 4.4m of layer.Structure type is reinforcing bar
Concrete frame shear wall structure, a number are 14, about 136930.5 ten thousand square metres of overall floorage.Then elevator is more, institute
There are totally 597 layers of the elevator number of plies, total a height of 597 layers * 3 meters/layers=1791 meters (every Elevator for entrance type building well size is same), wherein hoistway
Size 2m*2m, 2.7m*2m is respectively 896 meters, needs to put into a large amount of human and material resources, material power, expense.This project elevator
Using elevator tool-type all steel operation platform, 61328.2 yuan of expense are saved altogether compared with conventional steel frame.
Quality assurance measure of the invention
1 operator has corresponding operation technical ability, and special work (welder, signalman etc.) kind must take appointment with certificate.
The a variety of materials that 2 elevator tool-type all steel operation platforms are set up and made, such as channel steel, hanging ring reinforcing bar, welding rod,
Checked on by project management department quality person, carry out visual examination and material sample presentation, underproof material forbid using.
Before 3 elevator tool-type all steel operation platforms are promoted, it is necessary to ensure that next layer of beam slab be (operating platform to be supported
Beam) concrete strength can promote after reaching 75%.
Openings position should be checked before 4 promotions, can be promoted after must correcting to the biggish hole of deviation.
5 promote preceding first cleaning platform rubbish and sundries, avoid causing pendant object in lifting process.
The binding of steel cable must be secured when 6 promotion, and can be promoted after security official's passed examination.
4 steel cable length of 7 hoisting elevator well tool-type all steel construction platform devices answer it is almost the same, with ensure platform fill
Steadily rise when setting promotion.
The construction of 8 elevator tool-type all steel operation platforms should fill in monitoring inspection record table as required.
Safety measure
It, need to be through company project technology department, safety before 1 elevator tool-type all steel operation platform completes the process promotion for the first time
Supervision portion joint acceptance(check) rear can be used.Being promoted every time later should be through project management department's safety director tissue acceptance(check) rear
It can use.
In 2 elevator tool-type all steel operation platform manufacturing process, made in strict accordance with confiding a technological secret with operating instruction
Industry, length, height and the intensity of weld seam must satisfy code requirement, and be made according to the structural scheme and size of regulation,
After production, it is necessary to be organized by production division, the departments related personnel such as technology, quality, safety participates in, and tests platform
It receives, can come into operation after qualified.When lifting for the first time, the departments related personnel such as production, technology, quality, safety must show up,
Lifting and installation process are monitored.During subsequent construction, it is lifted up after finishing every time and has to pass through project management department and test
Debit can be used.
3 signalman, tower crane driver and installer are fitted close, in strict accordance with operating instruction operation.After lifting is in place,
It to carry out an acceptance inspection, can come into operation after qualified, and fill in necessary technology, safety to elevator tool-type all steel operation platform
Data.
4 elevator tool-type all steel operation platforms are during having bad luck, it is necessary to be exercised supervision by special messenger, according to safety operation
Regulation carries out operation.After installation is in place every time, it is necessary to after again passing by acceptance(check), can come into operation.
When 5 lifting, platform is hung to installation site using the hanging ring of elevator tool-type all steel operation platform quadrangle, then
It is slowly in place, it falls within platform on plug-in unit, slowly puts down platform, after confirming reinforcing steel bar bear, pine removes tower crane lifting rope.Elevator tool
Formula all steel operation platform promoted when, first platform quadrangle is sling with tower crane, forbid on elevator tool-type all steel operation platform on
People.
6 Ministries of State Security will periodically and irregularly check the elevator tool-type all steel operation platform set up, and grasp flat
The use of platform, maintenance condition will check operating platform especially after strong wind and heavy rain, to underproof position into
Row is repaired, and can be continued to use after qualified.
Weight limit sign board, no over-loading and heap putting material are hung on 7 elevator tool-type all steel operation platforms.
8 it is any all have to the relevant work of operation elevator tool-type all steel operation platform by construction team's safety and
Project Security Officer administrative staff nurse.
9 on elevator tool-type all steel operation platform construction personnel must wear on-slip shoes with good safety cap, fasten safety
Band.
10 forbid operation after drinking.
Must reinforce the observation and monitoring to elevator tool-type all steel operation platform in 11 lifting process, carry out at any time with
Track inspection, stops immediately after found the abnormal situation, and can just continue to lift up after ascertaining the reason and excluding dangerous situation.
Forbid the people that stands in 12 elevator tool-type all steel operation platform lifting process, hook is hung up properly, left by operator
It is commanded and is lifted by crane by signalman again after platform.
It, must not be on elevator tool-type all steel operation platform in 13 elevator tool-type all steel operation platform use processes
Accumulate the weights such as reinforcing bar, steel pipe.
14 need except operation, and every layer of safety protective door does not allow to open, when protective door is opened, it is necessary to set special messenger's monitoring.
Environmental protection measure
1 reinforces publicity work concerning environmental protection, improves crew's environmental consciousness.
It should be noted that measuring installation dimension in 2 manufacturing process, avoid cutting through many types of steel.
3 select low noise mechanical equipment as far as possible.
4 construction personnel should keep on-site sanitation, and production and house refuse must be stacked in designated place designated position, must not
It sheds everywhere.
5 construction personnel must smoke in designated place, forbid smoking at the construction field (site), forbid stool and urine everywhere.
6 strict control man-made noises must not shout at the top of one's voice into construction site, batter template without reason, limit high-pitched speaker
It uses.
7, which carry out construction site material, collects stacking work, and construction rubbish is cleaned to designated place.
After the completion of 8 construction of lift well operating platform uses, it is necessary to concentrate and stack and carry out inspection and maintenance.
Claims (9)
1. elevator tool-type all steel operation platform construction, which comprises the following steps:
A preparation of construction mainly includes A1 technique preparation, A2 preparation at the construction site, and A3 goods and materials prepare, and A4 construction team Huaihe River is standby；
The selection all steel operation platform main joist and all steel operation platform secondary joist of B material are using channel steel, operating platform using flower
Line steel plate (11)；
Material model is checked in C blanking inspection, is determined reasonable cutting length, is avoided waste of material；
D screws eye according to design drawing, and in main joist channel steel and the corresponding position of secondary joist channel steel, screw eye；
According to design drawing, the channel steel that main joist is used is welded as at least two right angle tripods (1) for E welding, assembly；It will
(1) one vertical edges a (2) of right angle tripod and checkered steel plate (11) are welded；One section of another vertical edges b (3) lower part is as vertical
Side forms right angled triangle (4) with two channel steels that secondary joist uses, and this vertical edges (2) bottom stage and secondary joist channel steel
The Ka Jiao (6) of right-angle side (5) composition ┐ shape structure；
After the welding assembly of F brush antirust paint is complete, antirust brushing is carried out to frame body；
After G is lifted on the assembled simultaneously passed examination of elevator tool-type all steel operation platform, lifting experiment is carried out, requirement is met
Afterwards, then with tower crane by the allocation and transportation for being assembled into section steel platform to construction site, lifted；
After H makes hard protection steel platform with main structure up each layer of promotion, need in corresponding lower part using closing
Measure makes hard protection steel platform (10)；
I uses the form erecting operation using elevator tool-type all steel operation platform elevator；
After J removes main structure construction to secondary two layers of roofing lower layer, elevator tool-type all steel operation platform is recalled, is hung in and builds
Build outer preparation disassembly.
2. elevator tool-type all steel operation platform construction according to claim 1, which is characterized in that step A1 skill
Art prepares concrete mode are as follows: examines elevator, elevator tool-type all steel operation platform design drawing, checks whether drawing is neat
Entirely, drawing itself has inerrancy and contradiction, and can design content consistent with execution conditions, works out special construction plan and technology is handed over
Bottom；Step A2 preparation at the construction site concrete mode are as follows: do that road is logical, electricity is logical, water is logical, smooth location well, for portion soft in place
Position takes reinforcing, changes the measures such as fill out；It is to carry out the preparation of construction machinery and equipment, to that step A3 goods and materials, which prepare concrete mode,
Some mechanical tools carry out maintenance trial run work；Still scarce mechanical tool will be ordered immediately, leased or be made；Step A4 construction
Troop Huaihe River is to establish and improve, enrich, construction organization mechanism for concrete mode, and rational allocation arranges the combination of labour group, to duty
Work is planned, technology, safety are told somebody what one's real intentions are.
3. elevator tool-type all steel operation platform construction according to claim 1, which is characterized in that step B material
In the selection of material, the main joist uses Q235 grades, and [No. 8 channel steels, the secondary joist use Q235 grades of [No. 8 channel steels, the operations
Platform uses 2.5mm thickness checkered steel plate (11), and screw uses θ 18kg.
4. elevator tool-type all steel operation platform construction according to claim 1, which is characterized in that under step C
In material, in strict accordance with design drawing cutting length, cutting position is marked on material, using cutting machine by fashioned iron according to drawing ruler
The cutting of little progress row, marks dash number and classifies.
5. elevator tool-type all steel operation platform construction according to claim 1, which is characterized in that step E weldering
It connects, in assembly, right angle tripod (1) is parallel to each other and uniform welding will be secondary according to design drawing in checkered steel plate (11) bottom
The channel steel that keel use is used as connecting rod (7), interior in right angle tripod (1) by screw (9) setting, is parallel to and checkered steel plate
(11) vertical edges (2) to connect；The channel steel that secondary joist is used is arranged by screw (9) in three foot of right angle as connecting rod (7)
Between frame (1), 18 reinforcing bar of ф is set on checkered steel plate (11) and does hanging ring (8) 4, welding on the operational platform, is lifted with facilitating
Construction.
6. elevator tool-type all steel operation platform construction according to claim 1, which is characterized in that step F brush
In antirust paint, processing of rust removing is carried out to frame body, clears up frame body pad welding slag, checks welding quality, brushes twice of antirust paint.
7. elevator tool-type all steel operation platform construction according to claim 1, which is characterized in that step G is hung
In dress, this elevator tool-type all steel operation platform is when building main structure construction and entering index bed, using tower crane by this electricity
Stair shaft tool-type all steel operation platform is lifted in elevator.It promotes process: check → being mentioned with tower crane before promoting application → promotion
It rises to next layer → Ka Jiao and fixes → acceptance(check) → use.Elevator internal shear force wall, beam column concrete reach intensity when lifting
1.21N/mm2When, cylinder side form can be removed and lifted.After rigging out, welding section of the security official to installation steelframe platform
After the qualifications that carry out an acceptance inspection such as point, whole deformation values, plate face stability, worker's use can be delivered.
8. elevator tool-type all steel operation platform construction according to claim 1, which is characterized in that H production is hard
Protect the specific closing measure of steel platform as follows:
(1) elevator, steel pipe spacing 500mm are passed across in the horizontal direction with steel pipe；
(2) template is completely laid on steel pipe, gap is not more than 20mm between template and the borehole wall；
(3) floor closing is arranged according to 3 layer of one closing.
9. elevator tool-type all steel operation platform construction according to claim 1, which is characterized in that step J is torn open
Except when, dismantle screw, frame body, and concentrate stackings, protection welding finished product.
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| CN115095130A (en) * | 2022-07-22 | 2022-09-23 | 中国十七冶集团有限公司 | Aluminum film cast-in-place elevator shaft lifting multi-aspect protection operating platform and using method |
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