CN109138471A - A kind of protective platform and its construction method of steel platform hoistway - Google Patents
A kind of protective platform and its construction method of steel platform hoistway Download PDFInfo
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- CN109138471A CN109138471A CN201811137371.9A CN201811137371A CN109138471A CN 109138471 A CN109138471 A CN 109138471A CN 201811137371 A CN201811137371 A CN 201811137371A CN 109138471 A CN109138471 A CN 109138471A
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- protective frame
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- hoistway
- drag
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- 230000001681 protective effect Effects 0.000 title claims abstract description 161
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 114
- 239000010959 steel Substances 0.000 title claims abstract description 114
- 238000010276 construction Methods 0.000 title claims abstract description 44
- 230000007306 turnover Effects 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 7
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000009194 climbing Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down
- E04G21/3252—Protections, e.g. cover, caps, against impaling on starter reinforcement bars
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The protective platform and its construction method of a kind of steel platform hoistway of the invention, are related to the realm of building construction.Can not be totally-enclosed to hoistway periphery for the safeguard procedures of existing steel platform hoistway, and unshielded in steel platform lifting process, the problem of easily causing safety accident because falling object.It includes: protective frame, is horizontally placed in hoistway, and the outer profile of protective frame and hoistway are adapted；Protective net is layed at the top of protective frame and affixed with it；More drag-lines are arranged close to protective frame edge, and one end of drag-line is connect with protective frame, and the other end is connected to steel platform bottom；Multiple pulleys are installed on protective frame outside and muti-piece turnover panel, are continuously set to protective frame edge, the side and protective frame edge of every piece of turnover panel are hinged, and the other side can be erected on the horizontal member of Core Walls Structure, and fit closely with hoistway periphery wall.
Description
Technical field
The present invention relates to technical field of building construction, in particular to a kind of the protective platform and its construction party of steel platform hoistway
Method.
Background technique
With the diversification of super high-rise building functional form, the arrangement of super high-rise building Core Walls Structure is also increasingly complicated.Steel is flat
Platform tower crane is because having the advantages such as convenient for disassembly and assembly and recycling rate of waterused is high, frequently as the means of transport in construction of super highrise building.Such as
Shown in Fig. 1, the tower body of steel platform tower crane 5 is connected to the interior of Core Walls Structure climbing beam 4 and climbs on support frame, therefore, need to be in steel platform 10
On open up hoistway 2 corresponding with the installation site of steel platform tower crane 5, for steel platform tower crane 5 installation and climb operation be provided
Space, therefore, the fall arrest of hoistway 2 become important a checkpoint and control point of safety management in construction.
Currently, the safeguard procedures of steel platform hoistway are usually, protection is carried out to hoistway hole periphery and is set in hoistway
The soft protection of safety net is set, still, the protection of steel platform hoistway periphery fails whole closings, be easy to cause object to fall, to positioned at well
Construction personnel below road causes danger；The soft protection surrounding of safety net being arranged in hoistway can not still be closed by wall displacement, lean on wall
The easy dropped object in position and cause safety accident；The soft protection of safety net will be removed when secondly, steel platform being promoted every time, it is flat to steel
Platform can just be reinstalled after being promoted in place, therefore, not can guarantee construction safety during steel platform is promoted；In addition, safety net without
People in method can not periodically remove falling object, and steel platforms can only be waited to remove together when promoting dismounting safety net in place, if pendant object is excessive
Also the ability to bear that will affect safety net, causes security risk.
Therefore, during steel platform construction, climbing, how to carry out comprehensive effective protection to hoistway becomes one urgently
Technical problem to be solved.
Summary of the invention
Can not be totally-enclosed to hoistway periphery for the safeguard procedures of existing steel platform hoistway, and in steel platform lifting process
It is unshielded, the problem of easily causing safety accident because falling object.It is flat that the object of the present invention is to provide a kind of protection of steel platform hoistway
Platform and its construction method can fit closely, anti-falling stop object after the turnover panel expansion being hinged with protective frame with hoistway periphery wall
It falls, after withdrawing turnover panel, protective platform can be with steel platform Synchronous lifting, fitted and removed easily, peace simple with structure
The advantages that good perfection, convenient, efficient operation.
The technical solution adopted by the present invention to solve the technical problems is: a kind of protective platform of steel platform hoistway, it is wrapped
Include: protective frame is horizontally placed in hoistway, and the outer profile of the protective frame and the hoistway are adapted；Protective net, paving
It is at the top of the protective frame and affixed with the protective frame；More drag-lines are arranged, the drag-line close to the protective frame edge
One end connect with the protective frame, the other end of the drag-line is connected to steel platform bottom；Multiple pulleys are installed on described
On the outside of protective frame and muti-piece turnover panel, turnover panel described in muti-piece is continuously set to the protective frame edge, and the one of every piece of turnover panel
Side and the protective frame edge are hinged, and the other side of every piece of turnover panel can be erected on the horizontal member of Core Walls Structure, and with
Hoistway periphery wall fits closely.
Preferably, affixed at least four lifting lug in the chassis main body of the steel platform, one end connection of the drag-line
In the protective frame, the other end of the drag-line is connected to the lifting lug.
Preferably, it has been respectively and fixedly connected with a lifting lug on the outside of at least four column bottoms of the steel platform angular position,
One end of the drag-line is connected to the lifting lug, the other end of the drag-line through the steel platform bottom plate and with the protection
Frame connection.
It preferably, is two-sided be fully welded between the lifting lug and the column.
Preferably, the bottom plate of the steel platform offers at least four holes, and the hole is run through simultaneously in the drag-line bottom end
It is connect with the protective frame, the gap at the hole is blocked by plank.
Preferably, each angular position of the protective frame installs at least one pulley.
Preferably, the center of the pulley is at least 100mm at a distance from the hoistway exterior surface of wall.
Preferably, every drag-line is made of at least two wirerope.
Preferably, the protective frame is set up by steel pipe, and the protective net and the turnover panel are all made of steel basketry mesh sheet system
At by steel bar binding and fixing between the protective net and the protective frame.
In addition, steps are as follows the present invention also provides a kind of construction method of the protective platform of steel platform hoistway:
S1: protective frame and protective net, protective net and protective frame binding and fixing are made according to tunnel dimension, turnover panel is articulated with anti-
Retaining frame edge, corner portion installs pulley respectively on the outside of protective frame, close to the fixed more drag-lines in protective frame edge, thus forms one
Black box；
S2: in the affixed multiple lifting lugs in steel platform bottom, lifting the black box, makes one end of drag-line through lifting lug and locks
It fastens, the other end of drag-line is connect with protective frame, and the length of more drag-lines of adjustment makes protective frame be in level, and it is flat to complete protection
The installation of platform；
S3: when construction Core Walls Structure current structure layer, turnover panel is unfolded and stablizes to be overlapped on the horizontal member of Core Walls Structure, so that
Turnover panel can be fitted closely with hoistway periphery wall, after current structure layer is constructed, withdraw turnover panel, steel platform is integrally climbed simultaneously
Drive protective platform Synchronous lifting to specified altitude assignment, repeatedly, until completing the construction of each structure sheaf of Core Walls Structure.
Effect of the invention is that:
One, the protective platform of steel platform hoistway of the invention, it is mounted to the lower extension hoisting type safety of steel platform bottom
Protective platform is hung drag-line under steel platform and connect with protective frame, and protective frame outer profile size and hoistway are adaptable, with protective frame phase
Hinged turnover panel can be erected on the horizontal member of Core Walls Structure；Under Construction State, turnover panel expansion can be with hoistway periphery wall
It fits closely, anti-falling stop object falls, and current layer construction terminates after withdrawing turnover panel, and protective platform can be mentioned as steel platform synchronizes
It rises, each component of the protective platform is connected as an entirety, and easy to process, fitted and removed easily is not required to set up and remove repeatedly
Safety net；Multiple pulleys are installed on the outside of protective frame, so that protective platform is in steel platform lifting process, even if encountering surrounding
Wall can also avoid overturning, abrasion, achieve the purpose that itself adjustment by pulley come adjustment；
In addition, construction personnel can enter protective platform periodic cleaning pendant object using ladder from floor, anti-falling stop object excessively influences to pacify
Entirely, therefore, the protective platform of steel platform hoistway of the invention has that structure is simple, safety is good, operation is convenient, efficient etc. excellent
Point.
Two, the construction method of the protective platform of steel platform hoistway of the invention, firstly, on ground by protective net and protective frame
Binding and fixing, turnover panel and drag-line are connected to protective frame, and each component is made to be assembled into a black box, and then, lifting is whole
Component makes the other end of drag-line be connected to the suspension centre of steel platform, completes the installation of protective platform, then, steel platform construction
Under state, turnover panel is unfolded and is bonded with hoistway wall, anti-falling stop object, after current layer is constructed, withdraws turnover panel, protective platform is
It can implement subsequent construction with steel platform Synchronous lifting, the construction method step is succinct, and hoistway protection disassembly and peace is greatly reduced
The workload of dress, had not only ensured the safety of hoistway protection, but also improved construction efficiency.Construction method of the invention is especially suitable
In the construction of prevention work of steel platform hoistway.
Detailed description of the invention
Fig. 1 closes for the position of the protective platform of the steel platform hoistway of one embodiment of the invention, steel platform and steel platform tower crane
System's figure；
Fig. 2 is the partial enlarged view of part A in Fig. 1；
Fig. 3 is the connection signal of drag-line and steel platform in another embodiment of protective platform of steel platform hoistway of the invention
Figure；
Fig. 4 is that the protective platform of the steel platform hoistway of one embodiment of the invention is set to the top view in hoistway.
Appended drawing reference is as follows in figure:
Core Walls Structure 1；Hoistway 2；Steel corbel 3；Core Walls Structure climbing beam 4；Steel platform tower crane 5；
Steel platform 10；Bottom plate 11；
Lifting lug 21；Protective frame 22；Protective net 23；Turnover panel 24；Drag-line 25；Pull ring 26；Pulley 27.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.According to following explanation and right
Claim, advantages and features of the invention will become apparent from.It should be noted that attached drawing is all made of very simplified form and uses
Non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.For sake of convenience, hereinafter institute
"upper", the "lower" stated are consistent with the upper and lower direction of attached drawing, but this can't be the limitation of technical solution of the present invention.
The present embodiment is set in Core Walls Structure 1 by taking the construction of certain super high-rise building as an example there are two steel platform tower crane 5, i.e. steel
There are two hoistways 2 in platform 10, in general, the floor in hoistway 2 is filled a vacancy again after waiting tower cranes to be promoted up, construct
Personnel need to carry out floor slab construction of filling a vacancy in 2 bottom of hoistway, and the pendant object in steel platform 10 pacifies the person of construction personnel below
Biggish threat is caused entirely.To solve the above problems, there is safety the invention proposes steel platform 10 is hung under one kind
The steel platform hoistway protective platform of the features such as good, easy to operate, high-efficient simple, steel of the invention is illustrated below with reference to Fig. 1 to Fig. 4
The protective platform of platform hoistway, it includes: protective frame 22, is horizontally placed in hoistway 2, and the outer profile and well of protective frame 22
Road 2 is adapted；Protective net 23 is layed at the top of protective frame 22 and affixed with protective frame 22；More drag-lines 25, close to protective frame
The setting of 22 edges, one end of drag-line 25 are connect with protective frame 22, and the other end of drag-line 25 is connected to 10 bottom of steel platform；Multiple cunnings
Wheel 27 is installed on 22 outside of protective frame；And muti-piece turnover panel 24, muti-piece turnover panel 24 are continuously set to 22 edge of protective frame, often
The side of block turnover panel 24 and 22 outer edge of protective frame are hinged, and the other side can be erected on the horizontal member of Core Walls Structure 1, and with
2 periphery wall of hoistway fits closely, above-mentioned horizontal member such as steel corbel 3, floor etc..
The protective platform of steel platform hoistway of the invention, the lower extension hoisting type that it is mounted to 10 bottom of steel platform are anti-safely
Platform is protected, the lower drag-line 25 of hanging of steel platform 10 is connect with protective frame 22, and 22 outer profile size of protective frame and hoistway 2 are adaptable, with
The turnover panel 24 that protective frame 22 is hinged can be erected on the horizontal member of Core Walls Structure 1；Under Construction State, the expansion of turnover panel 24 can
It is fitted closely with 2 periphery wall of hoistway, anti-falling stop object falls, and current layer construction terminates after withdrawing turnover panel 24, and protective platform can
With 10 Synchronous lifting of steel platform, each component of the protective platform is connected as an entirety, easy to process, fitted and removed easily,
It is not required to set up and remove safety net repeatedly；Multiple pulleys 27 are installed, so that protective platform is with steel platform on the outside of protective frame 22
In 10 lifting process, the hair for situations such as overturning, wearing can also be avoided by pulley 27 come adjustment even if encountering surrounding wall
It is raw, achieve the purpose that itself adjustment；In addition, construction personnel can to enter protective platform from floor periodically clear using ladder
Reason pendant object, anti-falling stop object excessively influence safety, and therefore, the protective platform of steel platform hoistway of the invention is simple with structure, pacifies
The advantages that good perfection, convenient, efficient operation.
As shown in Fig. 2, uniformly distributed four lifting lugs 21, lifting lug 21 are fixedly welded on steel platform 10 on the bottom plate 11 of steel platform 10
In the chassis body of bottom plate 11, each lifting lug 21 is equipped with a through-hole, and one end of drag-line 25 through through-hole and is locked, drag-line
25 other end is connected to protective frame 22, and is two-sided be fully welded between lifting lug 21 and chassis body.Drag-line is combined by lifting lug 21
Protective platform can be stably connected with the bottom plate 11 in steel platform 10 by 25 structure, and installation and disassembly are more convenient, are conducive to
Protective platform is recycled.More preferably, pull ring 26, through-hole and locking of the pull ring 26 through lifting lug 21, drag-line 25 can also be set
Top through pull ring 26 and being locked, the setting of pull ring 26 so that drag-line 25 and the attended operation of lifting lug 21 are more convenient,
And improve safety.The through-hole diameter opened up on lifting lug 21 in the present embodiment is 50mm.
As shown in figure 3, as another embodiment, it is unlike the embodiments above: selection 10 4 corner positions of steel platform
Installation site on the outside of the column set as lifting lug 21；The side of four columns bottom has been respectively and fixedly connected with a lifting lug 21, and four
Through-hole and locking of the one end of drag-line 25 through lifting lug 21, the other ends of four drag-lines 25 through 10 bottom plate 11 of steel platform and with it is anti-
Retaining frame 22 connects, and certainly, can also be connected by pull ring 26 between drag-line 25 and lifting lug 21, details are not described herein again；It is flat compared to protection
Platform is installed on for 10 bottom plate 11 of steel platform, and the mode that protective platform is connected to column makes the reduction of its welding difficulty, Er Qiefang
The bonding strength for protecting platform and column is also bigger, so that protective platform and the connection of steel platform 10 are more reliable and more stable.
In the present embodiment, lifting lug 21 is installed on the outside of column, while opening up diameter 50mm in the bottom plate of steel platform 10 11
Hole so that drag-line 25 through hole rather than pass through hoistway 2 connect with protective frame 22, drag-line 25 is played in the setting at hole
Positioning action, can be avoided drag-line 25 in hoistway 2 run-off the straight, shaking and influence construction safety；To be further ensured that drag-line
25 high-level stability, gap of the above-mentioned drag-line 25 behind hole are blocked by materials such as planks.
As shown in figure 4, each angular position of protective frame 22 installs at least one pulley 27, protective frame 22 in the present embodiment
6 pulleys 27 are installed at edge, and two vertically disposed pulleys 27 are installed in position corresponding with 2 wall internal corner of hoistway respectively, with
A pulley 27 is installed in the corresponding position of 2 wall external corner of hoistway respectively, in protective platform in 10 lifting process of steel platform,
Protective frame 22, which encounters surrounding wall, to avoid protective frame 22 overturning, abrasion by pulley 27 come adjustment,
To achieve the purpose that itself adjustment.For the lifting construction for not influencing protective platform, outside 27 center of pulley and 2 wall of hoistway
The distance on surface is at least 100mm.
Every drag-line 25 is made of two 6 × 19 wirerope, wherein 6 every wirerope of expression have 6 steel stocks, 19 tables
Show that each steel stock there are 19 steel wires, to guarantee that drag-line 25 has enough intensity, it is avoided to be broken and fall or tumble
Accident need to guarantee that installation rear protecting rack 22 is horizontal according to Field adjustment when drag-line 25 is installed.Four drag-lines 25 of the present embodiment are total
It is made using the wirerope of 8 65m length.
The protective frame 22 of the present embodiment is set up, protective net using 48 × 3.0 steel pipe (i.e. diameter 48mm, thickness 3.0mm)
23 use steel basketry mesh sheet, and the general material of steel basketry mesh sheet is low carbon steel plate Q235, stainless steel, galvanized sheet etc., steel basketry mesh sheet and anti-
It is bound between retaining frame 22 using steel bar, the hinged turnover panel 24 of 22 surrounding of protective frame is made of steel basketry mesh sheet, and steel platform 10 mentions every time
Only turnover panel 24 need to be overturn inside when rising, it is to realize to fit closely with 2 wall of hoistway that turnover panel 24 is unfolded after promotion.
Illustrate the construction method of the protective platform of steel platform hoistway of the invention in conjunction with Fig. 1 to Fig. 4, the specific steps are as follows:
S1: protective frame 22 and protective net 23 are made according to 2 size of hoistway, protective frame 22 is set up using steel pipe, protective frame 22
Protective net 23 made of upper laying steel basketry mesh sheet, protective net 23 and protective frame 22 are by steel bar binding and fixing, at 22 edge of protective frame
Hinged turnover panel 24,22 outside corner portion of protective frame install pulley 27 respectively, fix four drag-lines 25 close to 22 edge of protective frame, by
This one black box of composition；
S2: lifting lug 21 is respectively welded on the outside of 10 4 corner post of steel platform, and opens up through-hole on lifting lug 21, in steel platform
10 bottom plate, 11 opening holes, lift above-mentioned black box, make one end of drag-line 25 through lifting lug 21 and are locked, drag-line 25
The other end is connect behind the hole of 10 bottom plate 11 of steel platform with protective frame 22, and the length for adjusting four drag-lines 25 makes protective frame 22
In level, the installation of protective platform is completed；
S3: when construction 1 current structure layer of Core Walls Structure, turnover panel 24 is unfolded and stabilization is overlapped on the horizontal member of Core Walls Structure 1,
Such as floor, steel corbel 3 enable turnover panel 24 to fit closely with 2 periphery wall of hoistway, after current structure layer is constructed,
Turnover panel 24 is withdrawn, steel platform 10 is whole to climb and drive protective platform Synchronous lifting to specified altitude assignment, repeatedly, until completing
The construction of each structure sheaf of Core Walls Structure 1.
The construction method of the protective platform of steel platform hoistway of the invention, firstly, on ground by protective net 23 and protective frame
22 binding and fixing, turnover panel 24 and drag-line 25 are connected to protective frame 22, and each component is made to be assembled into a black box, then,
Black box is lifted, so that the other end of drag-line 25 is connected to the suspension centre of steel platform 10, completes the installation of protective platform, with
Afterwards, under 10 Construction State of steel platform, turnover panel 24 is unfolded and is bonded with 2 wall of hoistway, anti-falling stop object, after current layer is constructed,
Turnover panel 24 is withdrawn, protective platform can implement subsequent construction, the construction method step is succinct, greatly with 10 Synchronous lifting of steel platform
Width reduces the workload of the protection of hoistway 2 disassembly and installation, has not only ensured the safety that hoistway 2 protects, but also improves construction effect
Rate.Construction method of the invention is particularly suitable for the construction of prevention work of steel platform hoistway 2.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to scope of the claims.
Claims (10)
1. a kind of protective platform of steel platform hoistway, which is characterized in that it includes:
Protective frame is horizontally placed in hoistway, and the outer profile of the protective frame and the hoistway are adapted；
Protective net is layed at the top of the protective frame and affixed with the protective frame；
More drag-lines are arranged close to the protective frame edge, and one end of the drag-line is connect with the protective frame, the drag-line
The other end is connected to steel platform bottom；
Multiple pulleys are installed on the outside of the protective frame, and；
Muti-piece turnover panel, turnover panel described in muti-piece are continuously set to the protective frame edge, the side of every piece of turnover panel and described anti-
Retaining frame edge is hinged, and the other side of every piece of turnover panel can be erected on the horizontal member of Core Walls Structure, and all with the hoistway
Abutment wall body fits closely.
2. protective platform according to claim 1, it is characterised in that: be solidly connected in the chassis main body of the steel platform
Few four lifting lugs, one end of the drag-line are connected to the protective frame, and the other end of the drag-line is connected to the lifting lug.
3. protective platform according to claim 1, it is characterised in that: at least four columns of the steel platform angular position
A lifting lug is respectively and fixedly connected on the outside of bottom, one end of the drag-line is connected to the lifting lug, and the other end of the drag-line passes through
It wears the bottom plate of the steel platform and is connect with the protective frame.
4. protective platform according to claim 3, it is characterised in that: be two-sided full between the lifting lug and the column
Weldering.
5. protective platform according to claim 3, it is characterised in that: the bottom plate of the steel platform offers at least four holes
Mouthful, the drag-line bottom end is connect through the hole and with the protective frame, and the gap at the hole is blocked by plank.
6. protective platform according to any one of claims 1 to 5, it is characterised in that: each angular position of protective frame
At least one pulley is installed.
7. protective platform according to claim 6, it is characterised in that: the center of the pulley and the hoistway wall appearance
The distance in face is at least 100mm.
8. protective platform according to claim 1, it is characterised in that: every drag-line is made of at least two wirerope.
9. protective platform according to claim 1, it is characterised in that: the protective frame is set up by steel pipe, described anti-
Protective net and the turnover panel are all made of steel basketry mesh sheet and are made, by steel bar binding and fixing between the protective net and the protective frame.
10. the construction method of the protective platform of steel platform hoistway as described in any one of claim 1 to 9, which is characterized in that step
It is rapid as follows:
S1: protective frame and protective net, protective net and protective frame binding and fixing are made according to tunnel dimension, turnover panel is articulated with protective frame
Edge, corner portion installs pulley respectively on the outside of protective frame, close to the fixed more drag-lines in protective frame edge, thus organizes integral
Component；
S2: in the affixed multiple lifting lugs in steel platform bottom, lifting the black box, makes one end of drag-line through lifting lug and locks solid
Fixed, the other end of drag-line is connect with protective frame, and the length of more drag-lines of adjustment makes protective frame be in level, completes protective platform
Installation；
S3: when construction Core Walls Structure current structure layer, turnover panel is unfolded and stablizes to be overlapped on the horizontal member of Core Walls Structure, so that turnover panel
It can be fitted closely with hoistway periphery wall, after current structure layer is constructed, withdraw turnover panel, steel platform is integrally climbed and driven
Protective platform Synchronous lifting is to specified altitude assignment, repeatedly, until completing the construction of each structure sheaf of Core Walls Structure.
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| CN201811137371.9A CN109138471A (en) | 2018-09-28 | 2018-09-28 | A kind of protective platform and its construction method of steel platform hoistway |
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| CN201811137371.9A CN109138471A (en) | 2018-09-28 | 2018-09-28 | A kind of protective platform and its construction method of steel platform hoistway |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644505A (en) * | 2019-09-11 | 2020-01-03 | 上海市基础工程集团有限公司 | Rapid soil taking system and method for ultra-deep shaft foundation pit construction |
| CN113374285A (en) * | 2021-05-29 | 2021-09-10 | 中铁建工集团有限公司 | Super high-rise building vertical crossing working face safety protection system |
| CN115110742A (en) * | 2022-06-10 | 2022-09-27 | 上海建工一建集团有限公司 | Safety protection platform for steel platform inclined wall construction and use method thereof |
| WO2023240814A1 (en) * | 2022-06-13 | 2023-12-21 | 上海建工一建集团有限公司 | Construction safety protection platform structure and method for aerial deformation of core tube |
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| CN110644505A (en) * | 2019-09-11 | 2020-01-03 | 上海市基础工程集团有限公司 | Rapid soil taking system and method for ultra-deep shaft foundation pit construction |
| CN113374285A (en) * | 2021-05-29 | 2021-09-10 | 中铁建工集团有限公司 | Super high-rise building vertical crossing working face safety protection system |
| CN115110742A (en) * | 2022-06-10 | 2022-09-27 | 上海建工一建集团有限公司 | Safety protection platform for steel platform inclined wall construction and use method thereof |
| CN115110742B (en) * | 2022-06-10 | 2023-08-15 | 上海建工一建集团有限公司 | Safety protection platform for steel platform inclined wall construction and use method thereof |
| WO2023236386A1 (en) * | 2022-06-10 | 2023-12-14 | 上海建工一建集团有限公司 | Safety protection platform for steel platform inclined wall construction and use method of safety protection platform |
| WO2023240814A1 (en) * | 2022-06-13 | 2023-12-21 | 上海建工一建集团有限公司 | Construction safety protection platform structure and method for aerial deformation of core tube |
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Application publication date: 20190104 |