CN205857661U - Superelevation is tubaeform steel structure exterior finish operation platform and build and use equalizer bar - Google Patents

Superelevation is tubaeform steel structure exterior finish operation platform and build and use equalizer bar Download PDF

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Publication number
CN205857661U
CN205857661U CN201620583727.1U CN201620583727U CN205857661U CN 205857661 U CN205857661 U CN 205857661U CN 201620583727 U CN201620583727 U CN 201620583727U CN 205857661 U CN205857661 U CN 205857661U
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China
Prior art keywords
steel
superelevation
girder
tubaeform
platform
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CN201620583727.1U
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Chinese (zh)
Inventor
白梅
贺颖
王晨宇
院文博
殷书俊
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Construction Decoration Corp of China Construction Seventh Engineering Division Corp Ltd
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Construction Decoration Corp of China Construction Seventh Engineering Division Corp Ltd
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Abstract

This utility model discloses a kind of superelevation tubaeform steel structure exterior finish operation platform and builds use equalizer bar, and described operation platform includes being positioned at the horizontally disposed construction panel that the steel structure tubaeform with superelevation below the portion of encorbelmenting is connected;Drag-line is had at construction panel and connection between portion of encorbelmenting;The protection network being connected with portion of encorbelmenting it is provided with at construction face plate edge;Described equalizer bar includes counter-jib and is positioned at the counterweight of counter-jib outer end, is provided with two lifting rope hangers on counter-jib.Operation platform described in the utility model is easy to use, has saved substantial amounts of steel, work high above the ground quick and safe, and material can be reused, reduce cost.Equalizer bar disclosed in this utility model, easy to use, directly girder is bundled thereon lifting when, use safety high.

Description

Superelevation is tubaeform steel structure exterior finish operation platform and build and use equalizer bar
Technical field
This utility model belongs to superelevation tubaeform steel structure construction field, is specifically related to a kind of superelevation tubaeform steel structure exterior finish Operation platform and build and use equalizer bar.
Background technology
Tower class is built, especially the tower class building of superelevation, such as multi-functional launching tower etc., the basic above section of its positive negative zero For steel construction, height overall is all more than 150 meters;The curtain walls such as steel construction exterior facing multiselect glass, aluminium sheet.
For its outer decoration construction of this kind of building, hanging basket can be selected for tower body position;But, for top be upper greatly Under little flared structure, its horn mouth upper end horizontal range of encorbelmenting is almost 10m, and even greater than 10m, outside this position Decorative cover is constructed, and must set up operating platform.This operation platform uses steel beam column to encorbelment from tower body steel structure and forms.
Encorbelmenting operation platform and decoration construction belongs to superaltitude operation, Steel Structure Installation location and safety are executed by wind load Work impact is relatively big, and operative's degree-of-difficulty factor is big, dangerous high.Meanwhile, overlength overhang steel component deflection value becomes 4 with span of encorbelmenting Power relation, operation platform self load and wind load are high to platform system rigidity requirement.
At present the construction method for operation platform of encorbelmenting has a following two:
1, using steel pipe scaffold successively to encorbelment, be finally reached cantilever span, the problem that this method exists is: steel make Consumption is big, and operation platform self lotus is relatively big, poor stability;And the cycle of setting up is long, the security risk that superaltitude is installed is bigger.
2, using monolayer I-steel truss to encorbelment, be provided above steel wire rope off-load, steel pipe is replaced by channel-section steel by this method The girder truss formed with I-steel, the problem that can preferably solve suspension scaffold stiffness by itself, but it still also exists problems with: executes Work load is big, and small bore truss is difficult to meet rigidity requirement;And truss cantilever span > 7 meters, tower body steel structure stress is big, safety Property is the most relatively low.
Utility model content
This utility model aims to provide the superelevation tubaeform steel structure exterior finish operation platform of a kind of safety of constructing quickly, use And build and use equalizer bar.
For solving above-mentioned technical problem, this utility model provides following technical scheme: superelevation is tubaeform steel structure exterior trim Surface construction platform, superelevation is tubaeform, and that steel structure cross section is is circular, and top is provided with the portion of encorbelmenting, including construction panel, drag-line and anti- Protecting wire net;
Construction panel includes at least two girder and the secondary beam being connected between two adjacent girders, and girder is truss, secondary Beam is H profile steel;
Construction panel is positioned at below the portion of encorbelmenting, and construction surface plate level is around superelevation tubaeform steel structure circumference and the tubaeform steel of superelevation Structure is connected and arranges;
Drag-line is connected to construction panel and encorbelments between portion;
Protection network is arranged at construction face plate edge, and is connected with the portion of encorbelmenting.
The upper and lower chord member of girder and web member are seamless steel pipe, and girder is along superelevation tubaeform steel structure cross section place circle Radial direction is arranged;
On girder, full penetration butt welding is connected to connecting plate, and secondary beam is connected by high-strength bolt with connecting plate;Girder and secondary beam Top completely spreads Masson Pine springboard, is fixed by high-strength bolt between Masson Pine springboard and secondary beam, and the thickness of Masson Pine springboard is 30 ~ 50mm.
Protection network includes the safety barrier set gradually from inside to outside, close mesh safety net, safety net and steel wire, peace Full guardrail is fixedly arranged on construction panel, and the height of safety barrier is 1300 ~ 1700mm;Close mesh safety net and safety net are fixed On steel wire;The top in the portion of encorbelmenting is provided with channel-section steel of encorbelmenting, and channel-section steel level of encorbelmenting and corresponding girder are arranged, steel wire one end Channel-section steel is connected with encorbelmenting, and the other end is connected with girder.
Steel wire includes vertically arranged vertical steel cord and horizontally disposed horizontal wire rope, vertical steel cord and level Connected by iron wire between steel wire rope;Distance between adjacent vertical steel cord is less than 2000mm, between adjacent level steel wire rope Distance less than 1500mm.
The installing plate taken the shape of the letter U it is provided with on the inner end of girder;
It is provided with anchor ear, anchor ear inwall and superelevation tubaeform steel structure joint place on superelevation is tubaeform steel structure and is provided with rubber lining Pad;
Being welded with otic placode on anchor ear, otic placode is connected by high strength bolt with installing plate.
Drag-line is distributed in each girder and encorbelments between portion, and drag-line includes the inhaul that is parallel to each other and outer drag-line, draws outward Distance between rope and girder outer end is 800 ~ 1200mm;Distance is girder overall length the 1/5 of inhaul and girder outer end ~ 3/5。
Drag-line lower end is set around on girder, and is fixed by rope cramp, and drag-line and girder contact position are provided with rubber material The liner of matter;Encorbelmenting and coordinate in portion drag-line to be provided with suspension ring, drag-line upper end is connected with suspension ring.
Suspension ring include U-shaped boatswain chair, and boatswain chair is coiled into by HPB300 reinforcing bar, and the U-shaped mouth of boatswain chair is upward;At two sidewalls of boatswain chair Between be arranged with two clamping plate in parallel, clamping plate are galvanized steel plain sheet, the steel plate on two clamping plate steel structures tubaeform with superelevation respectively Upper and lower surface is fitted, and drag-line is set around in the U-shaped mouth of boatswain chair.
Superelevation is tubaeform, and steel structure exterior finish operation platform builds with equalizer bar, including counter-jib be positioned at counter-jib outer end Counterweight, counter-jib material is seamless steel pipe, and model is Ф 168*6, a length of 2000 ~ 3000mm of counter-jib;At counter-jib On be provided with two lifting rope hangers, one of them lifting rope hangers close on counter-jib outer end arrange;Another lifting rope hangers distance The distance of counter-jib outer end is 800 ~ 1000mm.
By above technical scheme, the beneficial effects of the utility model are:
1. the construction that construction panel, drag-line and the protection network arranged has made superelevation tubaeform steel structure formed below and closed is put down Platform;And construction panel, drag-line and protection network all can be manufactured separately, construct thus improve speed of application;Drag-line is to super simultaneously The load of high tubaeform steel structure is disperseed, it is ensured that the safety during use;
2. secondary beam selects H profile steel, and truss selected by girder, and both combine and have saved substantial amounts of steel;
3. protection network includes safety barrier, close mesh safety net and safety net, and the close mesh safety net of setting and safety are flat Net have employed the mode that bilayer is gone along with sb. to guard him, and improves the safety in work progress;
4. vertical steel cord and horizontal wire rope define the skeleton of protection network, and stability is high, use comparison safety;
5. being connected by installing plate and anchor ear of girder and superelevation tubaeform steel structure, install rapidly, thus improve construction Speed;
6. drag-line includes outer drag-line and inhaul, thus fully to the load reducing construction panel;
7. drag-line one end is connected by rope cramp with girder, and the other end is connected by suspension ring and portion of encorbelmenting, thus improves The installation rate of drag-line;
8. suspension ring include U-shaped boatswain chair and two clamping plate fixing with boatswain chair, upper and lower by two clamping plate and steel plate Fitting in surface, so that suspension ring fully steel structure tubaeform with superelevation contacts, reduces single-point stress, improve safety;
9. the equalizer bar arranged includes lifting rope hangers and counterweight, it is ensured that the safety during main cable and girder.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation;
Fig. 2 is Fig. 1 top view;
Fig. 3 is main beam structure schematic diagram;
Fig. 4 is A portion enlarged drawing in Fig. 3;
Fig. 5 is Fig. 4 top view;
Fig. 6 is B portion enlarged drawing in Fig. 3;
Fig. 7 is Fig. 6 left view;
Fig. 8 is hoist cable structural representation;
Fig. 9 is secondary beam and Masson Pine springboard attachment structure schematic diagram;
Figure 10 is protecting screen structure schematic diagram;
Figure 11 is balance beam structure schematic diagram.
Detailed description of the invention
Superelevation is tubaeform, and steel structure is existing building, and its circular in cross-section is provided with steel column 11 in its edge, its building Plate includes steel plate 17, its top is provided with the portion of encorbelmenting 2 simultaneously.
As shown in Figure 1, Figure 2, the superelevation tubaeform steel structure exterior finish shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10 Operation platform, the construction panel 3 being connected including steel structure 1 tubaeform with superelevation, construction panel 3 is horizontally disposed with;Construction panel 3 simultaneously Being positioned at below the portion of encorbelmenting 2, the exterior finish for the ease of steel structure tubaeform to whole superelevation is constructed, and construction panel 3 is around superelevation Tubaeform steel structure is circumferentially disposed.When in use, scaffold is positioned on construction panel 3 and carries out constructing.
Construction panel 3 includes at least two girder, and each girder is along the radius of superelevation tubaeform steel structure cross section place circle Direction is arranged, the length≤10000mm of girder, thus it is excessive to solve the girder long superelevation caused tubaeform steel structure load Problem.The quantity of girder determines with superelevation tubaeform steel structure cross section place diameter of a circle, just around super after all erection of main beams High tubaeform steel structure 1 one weeks, the quantity of the present embodiment middle girder is 16.
Girder is truss, top boom 311 and the seamless steel pipe that lower boom is Ф 168 × 6;Web member is the seamless of Ф 102 × 5 Steel pipe.
Be provided with the installing plate 10 of U-shaped, installing plate 10 and girder on the inner end of girder is connected by full penetration pair Connect the mode of welding.In order to realize the fixing, at the steel column 11 of superelevation tubaeform steel structure of panel 3 and superelevation tubaeform steel structure of constructing Upper cooperation installing plate 10 is provided with anchor ear 8, and anchor ear 8 is fixed by high-strength bolt 13 and steel column 11;In anchor ear 8 and the patch of steel column 11 Being provided with rubber packing 101 at conjunction, the rubber packing 101 of setting can increase the frictional force between anchor ear 8 and steel column 11, thus Increase the bearing capacity of anchor ear 8.Being welded with otic placode 9 in the center of anchor ear 8 extrados, the installation of U-shaped is stretched in the end of otic placode 9 In plate 10;Meanwhile, otic placode 9 is connected by high strength bolt 12 with installing plate 10, by being connected of otic placode 9 and installing plate 10 Realize being connected of girder and superelevation tubaeform steel structure, and then realize being connected of construction panel and superelevation tubaeform steel structure.Wherein, hold Die mould high-strength bolt and high-strength bolt are commercially available prod, and height therein is not the restriction to degree, but high-strength with pressure-bearing type Collectively show that the type of bolt.
Its China and foreign countries, interior definition mode be: near superelevation tubaeform steel structure for interior, away from be outward.
Between adjacent two girders, connection has secondary beam 32, secondary beam 32 is H profile steel, and secondary beam 32 is along the tubaeform steel of superelevation simultaneously The concentric circular tangential direction of structure place circle is arranged, thus realizes the dispersion of power, reduces this operation platform steel tubaeform to superelevation structure Load.
In order to realize girder and the connection of secondary beam 32, the top boom 311 of girder is provided with connecting plate 14, connecting plate 14 He The connected mode of top boom 311 is full penetration butt welding;Secondary beam 32 is connected by high-strength bolt 13 with connecting plate 14, thus convenient Both are in the aerial connection of height.Masson Pine springboard 20 is completely spread at girder and secondary beam 32 top, the thickness of Masson Pine springboard 20 is 30 ~ 50mm, preferably 40mm, by selecting the springboard of Masson Pine material, firm and durable, service life are long.Masson Pine springboard 20 and secondary beam 32 lead to Cross high-strength bolt 13 to fix, ensure that the joint of two Masson Pine springboards 32 is positioned on secondary beam 32 simultaneously, and then ensure that this construction is put down Safety during platform use.
In order to improve the use safety of this operation platform further, at construction panel 3 with encorbelment to be provided with between portion 2 and draw Rope, drag-line includes inhaul 41 and the outer drag-line 42 be arrangeding in parallel.Distance between outer drag-line 42 and girder outer end is 800 ~ 1200mm;Inhaul 41 and distance is girder overall length 1/5 ~ 3/5, preferably the 2/5 of girder outer end.Wherein inhaul 41 He Outer drag-line 42 includes two steel wire ropes 43 respectively, here by arranging inhaul and outer drag-line, simultaneously to inhaul and outer drag-line Position designed, can improve greatly construction panel 3 safety so that construction panel 3 steel tubaeform to superelevation structure Load disperseed.
Stable in order to ensure the installation of drag-line, the connected mode of the steel wire rope 43 of composition drag-line is:
The lower end of steel wire rope 43 is set around on top boom 311, and is fixed by rope cramp 19;Meanwhile, at steel wire rope 43 With the liner 18 that the joint place of top boom 311 is provided with quality of rubber materials, thus abrasion to steel wire rope 43 during reducing use; Rope cramp 19 is commercially available prod, for proof strength during using, and the rope cramp that each steel wire rope uses The quantity of 19 is 3.
The upper end of steel wire rope 43 is connected with steel plate 17 by suspension ring, and suspension ring include boatswain chair 15 and the upper and lower surface with steel plate 17 The clamping plate 16 all fitted, two clamping plate 16 are all connected with U-shaped boatswain chair 15, and boatswain chair 15 is formed by the bending of HPB300 reinforcing bar, installs When boatswain chair 15 U-shaped mouth upward, steel wire rope 43 be set around with steel plate 17 lower surface laminating clamping plate 16 and boatswain chair 15 it Between.
The pulling force of construction panel 3 steel tubaeform to superelevation structure is reduced, it is ensured that construction panel uses process by drag-line In safety.
In order to be further ensured that construction panel 3 use during safety, construction panel 3 edge be provided with protection Net, protection network falls down from the edge of construction panel 3 for preventing object or people.The top of protection network and the portion of encorbelmenting 2 are connected, and bottom is connected with construction panel 3.
Protection network includes the safety barrier set gradually from inside to outside, close mesh safety net, safety net and steel wire, peace Full guardrail is connected with construction panel 3, and the height of safety barrier is 1300 ~ 1600mm, preferably 15mm.Steel wire is as protection network Support, including vertically arranged vertical steel cord 61 and horizontally disposed horizontal wire rope 62, vertical steel cord 61 and level The joint of steel wire rope 62 is connected by iron wire, and iron wire shows the most in the drawings.Distance between adjacent vertical steel cord 61 is little Distance between 2000mm, adjacent level steel wire rope 62 is less than 1500mm, thus ensures the safety of user.
In order to ensure the fixing of steel wire, fix the channel-section steel 7 of encorbelmenting of hot rolling, channel-section steel 7 of encorbelmenting at the top in the portion of encorbelmenting 2 Girder is arranged, it is ensured that having a horizontally disposed channel-section steel 7 of encorbelmenting above each girder, channel-section steel 7 of encorbelmenting is for fixing steel The top of silk screen, the bottom of steel wire is fixed with girder.
After steel wire has been built, closeer mesh safety net and safety net being fixed on steel wire, close mesh is pacified The whole network and safety net are commercially available prod.
Operation platform described in the utility model is easy to use, by the way of truss and H profile steel are combined, has saved big The steel of amount, this operation platform is built conveniently simultaneously, and the connection of steel structure tubaeform with superelevation all uses the mode of anchor ear pin joint, high Idle job quick and safe, material can be reused, reduce cost.
The invention also discloses a kind of equalizer bar building above-mentioned superelevation tubaeform steel structure exterior finish operation platform, as Described in Figure 11, including counter-jib 20, the material of counter-jib 20 is seamless steel pipe, and model is Ф 168*6;Counter-jib 20 a length of 2000 ~ 3000mm, preferably 2900mm, thus fully meet the lifting to girder.
The outer end of counter-jib 20 is provided with counterweight 22, the weight of counterweight 22 and the length of counter-jib and girder Weight is relevant, after girder be ensure that and counter-jib 20 are fixed, can keep the level of counter-jib under counterweight effect.
Lifting for convenience, be provided with two lifting rope hangers 21 on counter-jib 20, two lifting rope hangers one close on flat The outer end of weighing apparatus arm 20 is arranged;Another lifting rope hangers 21 distance apart from counter-jib 20 outer end is 800 ~ 1000mm.
Equalizer bar disclosed in this utility model, easy to use, directly girder is bundled thereon lifting when, use Safety of getting up is high.
The building method of above-mentioned superelevation is tubaeform steel structure exterior finish operation platform, comprises the steps:
A, making girder;
First, use Ф 168*6 seamless steel pipe to make the top-bottom chord of truss, utilize Ф 102 × 5 seamless steel pipe to make purlin The web member of frame, the truss produced is as girder, girder overall length≤10 meter;The number of girder is according to superelevation tubaeform steel structure herein The diameter of cross section determines, it is ensured that installing when, and each girder is along the half of superelevation tubaeform steel structure 1 cross section place circle Direction, footpath is arranged, just around superelevation tubaeform steel structure one week after all erection of main beams;
Subsequently, the end of girder connects the installing plate 10 of U-shaped, for connecting fixing with superelevation tubaeform steel structure 1.
B, diameter according to the steel column on superelevation tubaeform steel structure produce anchor ear;
The diameter of anchor ear 8 is determined by steel column 11, it is ensured that steel column 11 can be overlapped wherein by anchor ear 8.The quantity of anchor ear 8 and The quantity of girder is equal, thus ensures that each girder is all fixed by anchor ear and superelevation tubaeform steel structure 1 connecting when.? The extrados center welding otic placode 9 of anchor ear 8, and the steel column 11 on tubaeform to anchor ear 8 and superelevation steel structure 1 is passed through high-strength bolt 13 fix.
C, making drag-line and suspension ring;
Girder arranges outer drag-line 42 with at the distance 800 ~ 1000mm of girder outer end;Distance girder outer end on girder Portion is to arrange inhaul 41 at the 1/5 ~ 3/5 of girder overall length.Wherein inhaul 41 and outer drag-line 42 with the connected mode of girder are Being wound on girder by the steel wire rope 43 of composition inhaul 41 and outer drag-line 42, the upper end of steel wire rope 43 is fixed by rope cramp 19 ?.
D, making equalizer bar;
Use Ф 168*6 seamless steel pipe to make counter-jib 20, the outer end of counter-jib 20 arranges counterweight 22, in balance Arranging two lifting rope hangers 21 on arm, complete the making of equalizer bar, one of them lifting rope hangers 21 closes on counter-jib 20 outer end Arrange;Another lifting rope hangers 21 distance apart from counter-jib 20 outer end is 800 ~ 1000mm.
E, installation girder,
First, lifting rope is installed: bundled with girder by equalizer bar 23, at two lifting rope hangers of equalizer bar 23 Lifting rope is hung up on 21;Needing to ensure bundling equalizer bar 23 and girder when, two lifting ropes lay respectively at girder Outer end on and girder at distance girder outer end 800mm ~ 1000mm.Meanwhile, in order to improve safety, at equalizer bar 21 Upper lifting assisted suspension cable, 1.5 times of a length of lifting rope lengths of assisted suspension cable, the suspension centre of assisted suspension cable in counterweight 22, Thus the safety during fully ensuring that use.
Then, rope will be lifted and boom hoisting will connect, open boom hoisting so that boom hoisting drives equalizer bar 23 He Girder arrives setting position;Girder is installed and closes on the outer drag-line 42 of girder outer end and be positioned at the inhaul inside outer drag-line 41, the distance between inhaul and girder outer end is 800mm ~ 1000mm;Inhaul 41 is adjusted to tensioning state, outer drag-line 42 are adjusted to relaxed state, and inhaul 41 carries out load-bearing, improve the safety in girder and superelevation tubaeform steel structure installation process.
Subsequently, the installing plate 10 on girder and the otic placode on anchor ear 89 are fixed by high strength bolt 12.
Finally, equalizer bar and girder are removed, outer drag-line is adjusted to tensioning state;Equalizer bar is hung by hanging apparatus To ground;
Carrying out erection of main beam when, first inhaul adjusts to tensioning state, girder and superelevation tubaeform steel structure solid After reserving, outer drag-line is adjusted to tensioning state, thus facilitate the safety of girder;Herein, again will outward after erection of main beam is good Drag-line adjusts to tensioning state, it is ensured that the abundant stress of outer drag-line.
Carrying out erection of main beam when, install successively by clockwise order.
F, the installation of secondary beam;
First, full penetration butt welding connecting plate 14 on girder.
Then, at H profile steel lifting to girder, a connecting plate 14 use two high-strength bolts 13 by connecting plate 14 Link together with H profile steel, it is achieved the installation of secondary beam.
G, repetition step e and step f;
Installing when, what a girder is often installed and carries out the installation of a secondary beam, until girder is tubaeform around superelevation Steel structure one week.
H, laying Masson Pine springboard;
The Masson Pine springboard 20 that thickness is 30 ~ 50mm, preferably 40mm is completely layered in H profile steel and the gap of adjacent H profile steel On, it is ensured that the junction of two pieces of Masson Pine springboards 20 is in H profile steel;High-strength bolt 13 is used H profile steel and Masson Pine springboard to be connected subsequently Pick up.So that plane is formed at H profile steel top, directly that scaffold is placed thereon when of use.
I, installation protection network,
First, the portion of encorbelmenting 2 installs channel-section steel 7 of encorbelmenting, the length≤4000mm of channel-section steel 7 of encorbelmenting, it is ensured that on each girder Side is to there being a channel-section steel 7 of encorbelmenting;
Subsequently, in connection vertical steel cord 61 between channel-section steel 7 and girder of encorbelmenting, it is ensured that two adjacent vertical steel cords 61 Spacing less than 2000mm;In vertical steel cord 61, be horizontally disposed with horizontal wire rope 62 again, adjacent level steel wire rope 62 it Between distance less than 1500mm;The place that horizontal wire rope 62 and vertical steel cord 61 connect is connected by iron wire, by vertically Steel wire rope and horizontal wire rope form steel wire;
Finally, inside steel wire, safety barrier 5, close mesh safety net and safety net are set gradually from inside to outside, wherein Safety barrier 5 is fixedly arranged on construction panel, and the height of safety barrier is 1300 ~ 1700mm, preferably 1500mm, close mesh safety Net and safety net are all fixedly arranged on steel wire, and close mesh safety net and safety net are commercially available prod.Use close mesh safety net Realize completely enclosed with the double-deck maintenance mode of safety net, it is ensured that the safety during operation platform use.
Building method flow process described in the utility model is compact, reasonable in design, and material wherein has making successively Sequentially, it is to avoid the waste of material, manufacturing speed is fast, and the operation platform safety produced is high.

Claims (9)

1. superelevation tubaeform steel structure exterior finish operation platform, superelevation is tubaeform, and steel structure cross section is circular, and top is provided with encorbelments Portion, it is characterised in that: operation platform includes constructing panel, drag-line and being arranged at the protection network at construction face plate edge;
Construction panel includes at least two girder and the secondary beam being connected between two adjacent girders, and girder is truss, and secondary beam is H Shaped steel;
Construction panel is positioned at below the portion of encorbelmenting, and construction surface plate level is solid with superelevation tubaeform steel structure around superelevation tubaeform steel structure circumference It is connected with and puts;
Drag-line is connected to construction panel and encorbelments between portion;
Protection network one end is connected with construction panel, and the other end is connected with the portion of encorbelmenting.
2. superelevation tubaeform steel structure exterior finish operation platform as claimed in claim 1, it is characterised in that:
The upper and lower chord member of girder and web member are seamless steel pipe, and girder is along the radius of superelevation tubaeform steel structure cross section place circle Direction is arranged;
Coordinating secondary beam full penetration to being welded with connecting plate on girder, secondary beam is connected by high-strength bolt with connecting plate;
Girder and secondary beam top completely spread Masson Pine springboard, are fixed by high-strength bolt between Masson Pine springboard and secondary beam, Masson Pine springboard Thickness is 30 ~ 50mm.
3. superelevation tubaeform steel structure exterior finish operation platform as claimed in claim 2, it is characterised in that: protection network includes from interior The safety barrier outwards set gradually, close mesh safety net, safety net and steel wire, safety barrier is fixedly arranged on construction panel On, and the height of safety barrier is 1300 ~ 1700mm;Close mesh safety net and safety net are fixedly arranged on steel wire;In the portion of encorbelmenting Top be provided with channel-section steel of encorbelmenting, channel-section steel level of encorbelmenting and corresponding girder are arranged, and steel wire one end is connected with channel-section steel of encorbelmenting, another End is connected with girder.
4. superelevation tubaeform steel structure exterior finish operation platform as claimed in claim 3, it is characterised in that: steel wire includes vertically The vertical steel cord arranged and horizontally disposed horizontal wire rope, between vertical steel cord and horizontal wire rope by iron wire even Connect;Distance between adjacent vertical steel cord is less than 2000mm, and the distance between adjacent level steel wire rope is less than 1500mm.
5. the superelevation tubaeform steel structure exterior finish operation platform as described in Claims 1-4 any one, it is characterised in that: main The installing plate taken the shape of the letter U it is provided with on the inner end of beam;
It is provided with anchor ear, anchor ear inwall and superelevation tubaeform steel structure joint place on superelevation is tubaeform steel structure and is provided with rubber packing;
Being welded with otic placode on anchor ear, otic placode is connected by high strength bolt with installing plate.
6. superelevation tubaeform steel structure exterior finish operation platform as claimed in claim 5, it is characterised in that: drag-line is distributed in each Girder and encorbelment between portion, drag-line includes the inhaul that is parallel to each other and outer drag-line, between outer drag-line and girder outer end away from From for 800 ~ 1200mm;Inhaul and distance is girder overall length the 1/5 ~ 3/5 of girder outer end.
7. superelevation tubaeform steel structure exterior finish operation platform as claimed in claim 6, it is characterised in that: drag-line lower end is set around On girder, and being fixed by rope cramp, drag-line and girder contact position are provided with the liner of quality of rubber materials;Encorbelment to coordinate in portion and draw Rope is provided with suspension ring, and drag-line upper end is connected with suspension ring.
8. superelevation tubaeform steel structure exterior finish operation platform as claimed in claim 7, it is characterised in that: suspension ring include U-shaped Boatswain chair, boatswain chair is coiled into by HPB300 reinforcing bar, and the U-shaped mouth of boatswain chair is upward;Two folders it are arranged with in parallel between two sidewalls of boatswain chair Plate, clamping plate are galvanized steel plain sheet, the upper and lower surface laminating of the steel plate on two clamping plate steel structures tubaeform with superelevation respectively, drag-line winding In the U-shaped mouth of boatswain chair.
9. the tubaeform steel of superelevation described in claim 8 structure exterior finish operation platform is built with equalizer bar, it is characterised in that: include putting down Weighing apparatus arm and the counterweight being positioned at counter-jib outer end, counter-jib material is seamless steel pipe, and model is Ф 168*6, the length of counter-jib It is 2000 ~ 3000mm;Being provided with two lifting rope hangers on counter-jib, one of them lifting rope hangers closes on counter-jib outer end and sets Put;The distance of another lifting rope hangers distance counter-jib outer end is 800 ~ 1000mm.
CN201620583727.1U 2016-06-16 2016-06-16 Superelevation is tubaeform steel structure exterior finish operation platform and build and use equalizer bar Withdrawn - After Issue CN205857661U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105888227A (en) * 2016-06-16 2016-08-24 中建七局建筑装饰工程有限公司 Ultrahigh horn-shaped steel structure exterior facing construction platform, equalizing beam for construction and construction method of ultrahigh horn-shaped steel structure exterior facing construction platform

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105888227A (en) * 2016-06-16 2016-08-24 中建七局建筑装饰工程有限公司 Ultrahigh horn-shaped steel structure exterior facing construction platform, equalizing beam for construction and construction method of ultrahigh horn-shaped steel structure exterior facing construction platform

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