CN104060844B - Sliding device and lifting device for truss frame of steel structural transfer floor of the high-rise building and construction method thereof - Google Patents

Sliding device and lifting device for truss frame of steel structural transfer floor of the high-rise building and construction method thereof Download PDF

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Publication number
CN104060844B
CN104060844B CN201410179816.5A CN201410179816A CN104060844B CN 104060844 B CN104060844 B CN 104060844B CN 201410179816 A CN201410179816 A CN 201410179816A CN 104060844 B CN104060844 B CN 104060844B
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sliding
track
truss structure
lifting
jig
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CN104060844A (en
Inventor
周观根
朱辉
黄勇
金鑫
谢董恩
朱超伟
何正刚
潘俊
孔军飞
孙利
徐琛魏
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Zhejiang Southeast Space Frame Co Ltd
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Zhejiang Southeast Space Frame Co Ltd
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Abstract

The invention relates to a truss frame of a steel structural transfer floor of a high-rise building, particularly to a sliding device and a lifting device for the truss frame of the steel structural transfer floor of the high-rise building and a construction method thereof, which can be applied in steel structures. The sliding device and the lifting device comprise a track mechanism, a sliding jig frame mechanism and a sliding mechanism, wherein the sliding jig frame mechanism matched with the track mechanism is arranged on the track mechanism; the sliding jig frame mechanism can be stretched through the sliding mechanism; The construction method comprises the following steps of arranging the sliding track and the jig frame of the truss frame, enabling the truss frame to slide on the ground and finally lifting a single-frame truss frame. According to the sliding device and the lifting device for the truss frame of the steel structural transfer floor of the high-rise building and the construction method thereof, the structure is compact, resources are saved, and the construction is safe, and the control is easy.

Description

High-rise steel structure conversion layer truss slip device, lifting device and construction method
Technical field
The present invention relates to a kind of high-rise steel structure conversion layer truss, more particularly, to a kind of high-rise steel structure conversion layer truss cunning Moving device, lifting device and construction method, are applied in steel construction.
Background technology
In recent years, in skyscraper the application of steel construction conversion layer truss more and more, ensureing building of skyscraper While building good looking appearance, it is provided that more reliable safety assurance again.
Content of the invention
The present invention mainly solves the deficiencies in the prior art, provides a kind of compact conformation, high-level structure conversion layer Truss is located between two high buildings, and setting height(from bottom) is high, truss weight weight, after scene is completed using truss installation on ground, hydraulic pressure High-rise steel structure conversion layer truss slip device, lifting device and construction method that the method for lifting is installed.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals:
A kind of slip device of high-rise steel structure conversion layer truss, including rail mechanism, sliding jig mechanism and sliding plane Structure, described rail mechanism is provided with the sliding jig mechanism matching with rail mechanism, and described sliding jig mechanism passes through Slipping mechanism phase stretches;
Described rail mechanism includes concrete floor, and the top of described concrete floor is provided with track support bar, institute The two side ends of the track support bar stated are respectively equipped with track, and the described bottom of track is fixed with concrete floor phase;
Described sliding jig mechanism includes sliding jig, and the bottom of described sliding jig is provided with slide mutually movable with track The polyfluortetraethylene plate moving, the outside of described track is provided with the pulley sliding with track phase, described pulley pass through slide-bar with Sliding jig phase is fixed, and described sliding jig is provided with single truss structure;
Described slipping mechanism includes assembly pulley, draught line and towing point, is provided with assembly pulley in described draught line, described One end of assembly pulley and towing point phase positioning, the other end of described assembly pulley is connected with sliding jig by draught line, Described draught line is fixedly connected with chain block traction or hoist engine phase.
Preferably, being provided with expansion bolt buried plate in described concrete floor, described expansion bolt buried plate and track It is fastened by expansion bolt;
The lateral wall of described track is fixed with the elongated steel plate being slidably connected with pulley phase, described sliding jig bottom Outside be provided with spacing steel plate, described spacing steel plate is located at the outside of track, and described spacing steel plate passes through stiffener and cunning Move moulding bed to be fastened;
Between described single truss structure and sliding jig, maintenance is supported by H type support bar phase.
The lifting device of high-rise steel structure conversion layer truss, including truss and suspension bracket, is provided with truss, institute in described suspension bracket Lifting beam under being respectively arranged at two ends with of suspension bracket lower end stated, the two ends of described single truss structure are located in lower lifting beam, described The top of truss is provided with lifting beam, and described lower lifting beam is connected by hoisting rope with upper lifting beam, described hoisting rope By lifter phase shift, the displacement of described hoisting rope drives rising, described single truss structure and the truss phase of single truss structure Coupling is fixed.
The construction method of high-rise steel structure conversion layer truss, is carried out according to the following steps:
(One), the setting of truss sliding rail and moulding bed:
The assembly of single truss structure field ground is affected by construction site condition, single truss structure cannot installation site just under Fang Jinhang is assembled, so setting up track and sliding jig, single truss structure is after on sliding jig, assembly completes, using traction calabash Reed makes sliding jig with the underface of single truss structure movement smoothing out in orbit to installation site;
(1), the setting up of sliding rail:
Expansion bolt is arranged on the concrete floor below in rail, along the setting of orbital direction spacing 500mm, expanding screw With track welding firmly, expansion bolt buried plate specification plane should be greater than 300mm*300mm on the top of bolt buried plate;
Track adopts four Pin I50C GB I-steel, lays from assembled position to raised position, and two Pin I-steel form one Bar track, between two Pin I-steel of every track, spacing 1m setting H200*150*4.5*6 shaped steel is welded and fixed;
(2), the setting up of sliding jig:
The polyfluortetraethylene plate of 400*400*40mm is set at four nodes crossing below by track and sliding jig, Tetrafluoro plate and sliding jig firm welding;The termination side polishing of polyfluortetraethylene plate glide direction is in the arc-shaped, reduces sliding resistance Power;
Outside track, weld width is the spacing steel plate of 25mm, and in side welded pulley, pulley side and elongated steel plate It is close to, the specification of elongated steel plate is 240mm width, 12mm is thick;
(Two), truss land slide:
(1), prepare before single truss structure sliding:
In advance consolidation process must be carried out to sliding jig before single truss structure sliding, and the H200* of four direction is set 150*6*8 type steel support bar, multiple tracks diagonal brace bottom is welded with sliding jig, and top is fixed with single truss structure spot welding;
Sliding jig must be welded and fixed with single truss structure before single truss structure sliding, or sliding jig and truss are carried out Suitably colligation is integral, prevents truss in slipping from sliding or toppling and waits danger;
(2), truss sliding antidumping measure:
Two girder steels, girder steel and single truss structure phase positioning are respectively welded in sliding jig beam two ends;
(3), single truss structure sliding traction method:
Towing point, each one of two tracks are set before single truss structure sliding, are carried out using 10T Lever Blocks or hoist engine Traction, and it is equipped with 30t tetra- door guide roller group;
(Three), single truss structure lifting scheme:
(1), lifting means:
The lifting means used is needed to have using hydraulic synchronizing lifting construction technology:Hydraulic rockshaft, hydraulic pump source system, Computer synchronous control and sensing and detecting system;
(2), lifting suspension centre arrangement:
Single truss structure lifting suspension centre is divided into suspension centre and lower suspension centre two, wherein goes up suspension centre and is arranged in high building high-altitude truss cattle On the top boom of lower limb, lower suspension centre is arranged on the lower boom of elevated single truss structure end;
(3), single truss structure lift technique:
Single truss structure lifting adopts " hydraulic synchronous lifting technique ", is used as lifting machinery, flexible steel by hydraulic rockshaft Twisted wire is as load-bearing rigging;
Hydraulic rockshaft is core-theaded type structure, using steel strand wires as lifting rigging.
But at the scene in work progress, be frequently encountered due to field ground situation special, loop wheel machine cannot be introduced into two Position between high building carries out installation on ground to truss, and onsite application tower crane lifting performance less it is impossible to meet purlin The situation that frame on-site consolidation requires.So this problem is solved using the method for conversion layer truss sliding lifting, because truss is Plane girder, proposes the high requirement of comparison in slipping to the antidumping of truss.
Effect and advantage
1st, the assembly of single truss structure can intert construction with top xoncrete structure, and only overall lifting process is in the pass of duration It will be apparent that having saved the duration on key circuit.
2nd, it is effectively reduced the quantity of component merogenesis, decreases the workload of Site Welding, quality is easily controlled.
3rd, avoid adopting main equipment, cause the increase of working measure expense.
4th, the workload of work high above the ground greatly reduces, and horizontal protective together can be lifted with single truss structure, and construction safety is easy In control.
Therefore, the high-rise steel structure conversion layer truss slip device of the present invention, lifting device and construction method, structure is tight Gather, economize on resources, construction safety is easily controllable.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of middle orbit mechanism of the present invention;
Fig. 3 is the structural representation of sliding jig mechanism in the present invention;
Fig. 4 is the structural representation of lifting device in the present invention.
Specific embodiment
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment 1:As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of slip device of high-rise steel structure conversion layer truss, bag Include rail mechanism, sliding jig mechanism and slipping mechanism, described rail mechanism is provided with the sliding matching with rail mechanism Moulding bed mechanism, described sliding jig mechanism is stretched by slipping mechanism phase;
Described rail mechanism includes concrete floor 1, and the top of described concrete floor 1 is provided with track support bar 2, The two side ends of described track support bar 2 are respectively equipped with track 3, and the described bottom of track 3 is mutually fixed with concrete floor 1;
Described sliding jig mechanism includes sliding jig 4, and the bottom of described sliding jig 4 is provided with mutually is lived with track 3 The polyfluortetraethylene plate 5 of dynamic sliding, the outside of described track 3 is provided with the pulley 6 mutually sliding with track 3, and described pulley 6 leads to Cross slide-bar 7 mutually to fix with sliding jig 4, described sliding jig 4 is provided with single truss structure 8;
Described slipping mechanism includes assembly pulley 9, draught line 10 and towing point 11, is provided with pulley in described draught line 10 Group 9, described one end of assembly pulley 9 is mutually positioned with towing point 11, and the other end of described assembly pulley 9 passes through draught line 10 and slides Move moulding bed 4 to be connected, described draught line 10 is fixedly connected with chain block traction or hoist engine phase.
It is provided with expansion bolt buried plate 13, described expansion bolt buried plate 13 is passed through with track 3 in described concrete floor 1 Expansion bolt 14 is fastened;
The lateral wall of described track 3 is fixed with the elongated steel plate 15 being mutually slidably connected with pulley 6, described sliding jig The outside of 4 bottoms is provided with spacing steel plate 16, and described spacing steel plate 16 is located at the outside of track 3, and described spacing steel plate 16 leads to Cross stiffener 17 to be fastened with sliding jig 4;
Between described single truss structure 8 and sliding jig 4, maintenance is mutually supported by H type support bar 18.
The lifting device of high-rise steel structure conversion layer truss, including truss 19 and suspension bracket 20, is provided with described suspension bracket 20 Truss 19, lifting beam 21 under described being respectively arranged at two ends with of suspension bracket 20 lower end, the two ends of described single truss structure 8 are located at down and carry Rise on beam 21, the top of described truss 19 is provided with lifting beam 22, and described lower lifting beam 21 is passed through to carry with upper lifting beam 22 Rise rope 23 to be connected, described hoisting rope 23 passes through lifter 24 phase shift, the displacement of described hoisting rope 23 drives single Pin purlin The rising of frame 8, described single truss structure 8 and truss 19 match fixation.
The construction method of high-rise steel structure conversion layer truss, is carried out according to the following steps:
(One), the setting of truss sliding rail and moulding bed:
The assembly of single truss structure field ground is affected by construction site condition, single truss structure cannot installation site just under Fang Jinhang is assembled, so setting up track and sliding jig, single truss structure is after on sliding jig, assembly completes, using traction calabash Reed makes sliding jig with the underface of single truss structure movement smoothing out in orbit to installation site;
(1), the setting up of sliding rail:
Expansion bolt is arranged on the concrete floor below in rail, along the setting of orbital direction spacing 500mm, expanding screw With track welding firmly, expansion bolt buried plate specification plane should be greater than 300mm*300mm on the top of bolt buried plate;
Track adopts four Pin I50C GB I-steel, lays from assembled position to raised position, and two Pin I-steel form one Bar track, between two Pin I-steel of every track, spacing 1m setting H200*150*4.5*6 shaped steel is welded and fixed;
(2), the setting up of sliding jig:
The polyfluortetraethylene plate of 400*400*40mm is set at four nodes crossing below by track and sliding jig, Tetrafluoro plate and sliding jig firm welding;The termination side polishing of polyfluortetraethylene plate glide direction is in the arc-shaped, reduces sliding resistance Power;
Outside track, weld width is the spacing steel plate of 25mm, and in side welded pulley, pulley side and elongated steel plate It is close to, the specification of elongated steel plate is 240mm width, 12mm is thick;
(Two), truss land slide:
(1), prepare before single truss structure sliding:
In advance consolidation process must be carried out to sliding jig before single truss structure sliding, and the H200* of four direction is set 150*6*8 type steel support bar, multiple tracks diagonal brace bottom is welded with sliding jig, and top is fixed with single truss structure spot welding;
Sliding jig must be welded and fixed with single truss structure before single truss structure sliding, or sliding jig and truss are carried out Suitably colligation is integral, prevents truss in slipping from sliding or toppling and waits danger;
(2), truss sliding antidumping measure:
Two girder steels, girder steel and single truss structure phase positioning are respectively welded in sliding jig beam two ends;
(3), single truss structure sliding traction method:
Towing point, each one of two tracks are set before single truss structure sliding, are carried out using 10T Lever Blocks or hoist engine Traction, and it is equipped with 30t tetra- door guide roller group;
(Three), single truss structure lifting scheme:
(1), lifting means:
The lifting means used is needed to have using hydraulic synchronizing lifting construction technology:Hydraulic rockshaft, hydraulic pump source system, Computer synchronous control and sensing and detecting system;
(2), lifting suspension centre arrangement:
Single truss structure lifting suspension centre is divided into suspension centre and lower suspension centre two, wherein goes up suspension centre and is arranged in high building high-altitude truss cattle On the top boom of lower limb, lower suspension centre is arranged on the lower boom of elevated single truss structure end;
(3), single truss structure lift technique:
Single truss structure lifting adopts " hydraulic synchronous lifting technique ", is used as lifting machinery, flexible steel by hydraulic rockshaft Twisted wire is as load-bearing rigging;
Hydraulic rockshaft is core-theaded type structure, using steel strand wires as lifting rigging.

Claims (1)

1. a kind of construction method of high-rise steel structure conversion layer truss, slip device include rail mechanism, sliding jig mechanism and Slipping mechanism, described rail mechanism is provided with the sliding jig mechanism matching with rail mechanism, described sliding jig machine Structure is stretched by slipping mechanism phase;
Described rail mechanism includes concrete floor(1), described concrete floor(1)Top be provided with track support bar (2), described track support bar(2)Two side ends be respectively equipped with track(3), described track(3)Bottom and concrete bottom Plate(1)Mutually fix;
Described sliding jig mechanism includes sliding jig(4), described sliding jig(4)Bottom be provided with and track(3)Phase The polyfluortetraethylene plate of activity sliding(5), described track(3)Outside be provided with and track(3)The pulley mutually sliding(6), institute The pulley stated(6)By slide-bar(7)With sliding jig(4)Mutually fix, described sliding jig(4)It is provided with single truss structure(8);
Described slipping mechanism includes assembly pulley(9), draught line(10)And towing point(11), described draught line(10)In be provided with Assembly pulley(9), described assembly pulley(9)One end and towing point(11)Mutually position, described assembly pulley(9)The other end pass through Draught line(10)With sliding jig(4)It is connected, described draught line(10)Fix even with chain block traction or hoist engine phase Connect;
Described concrete floor(1)In be provided with expansion bolt buried plate(13), described expansion bolt buried plate(13)With track(3) By expansion bolt(14)It is fastened;
Described track(3)Lateral wall be fixed with and pulley(6)The elongated steel plate being mutually slidably connected(15), described sliding tire Frame(4)The outside of bottom is provided with spacing steel plate(16), described spacing steel plate(16)Positioned at track(3)Outside, described limit Position steel plate(16)By stiffener(17)With sliding jig(4)It is fastened;
Described single truss structure(8)With sliding jig(4)Between pass through H type support bar(18)Mutually support maintenance;
Also include lifting device, described lifting device includes truss(19)And suspension bracket(20), described suspension bracket(20)In be provided with purlin Frame(19), described suspension bracket(20)Lifting beam under being respectively arranged at two ends with of lower end(21), described single truss structure(8)Two ends set In lower lifting beam(21)On, described truss(19)Top be provided with lifting beam(22), described lower lifting beam(21)With upper Lifting beam(22)By hoisting rope(23)It is connected, described hoisting rope(23)By lifter(24)Phase shift, described carries Rise rope(23)Displacement drive single truss structure(8)Rising, described single truss structure(8)With truss(19)Match fixation;Its It is characterised by carrying out according to the following steps:
(One), the setting of truss sliding rail and moulding bed:
Single truss structure field ground assembly is affected by construction site condition, and single truss structure cannot enter in the underface of installation site Row is assembled, so setting up track and sliding jig, single truss structure after on sliding jig, assembly completes, is made using traction calabash Sliding jig is with the underface of single truss structure movement smoothing out in orbit to installation site;
(1), the setting up of sliding rail:
Expansion bolt is arranged on the concrete floor below in rail, along the setting of orbital direction spacing 500mm, expansion bolt buries With track welding firmly, expansion bolt buried plate specification plane should be greater than 300mm*300mm on the top of plate;
Track adopts four Pin I50C GB I-steel, lays from assembled position to raised position, and two Pin I-steel form a rail Road, between two Pin I-steel of every track, spacing 1m setting H200*150*4.5*6 shaped steel is welded and fixed;
(2), the setting up of sliding jig:
The polyfluortetraethylene plate of 400*400*40mm, tetrafluoro are set at four nodes crossing below by track and sliding jig Plate and sliding jig firm welding;The termination side polishing of polyfluortetraethylene plate glide direction is in the arc-shaped, reduces skid resistance;
Outside track, weld width is the spacing steel plate of 25mm, and in side welded pulley, pulley side is close to elongated steel plate, The specification of elongated steel plate is 240mm width, 12mm is thick;
(Two), truss land slide:
(1), prepare before single truss structure sliding:
In advance consolidation process must be carried out to sliding jig before single truss structure sliding, and the H200*150*6*8 of four direction is set Type steel support bar, multiple tracks diagonal brace bottom is welded with sliding jig, and top is fixed with single truss structure spot welding;
Sliding jig must be welded and fixed with single truss structure before single truss structure sliding, or sliding jig and truss are carried out suitably Colligation is integral, prevents truss in slipping from sliding or danger of toppling;
(2), truss sliding antidumping measure:
Two girder steels, girder steel and single truss structure phase positioning are respectively welded in sliding jig beam two ends;
(3), single truss structure sliding traction method:
Towing point, each one of two tracks are set before single truss structure sliding, are led using 10T Lever Blocks or hoist engine Draw, and be equipped with 30t tetra- door guide roller group;
(Three), single truss structure lifting scheme:
(1), lifting means:
The lifting means used is needed to have using hydraulic synchronizing lifting construction technology:Hydraulic rockshaft, hydraulic pump source system, calculating Machine Synchronization Control and sensing and detecting system;
(2), lifting suspension centre arrangement:
Single truss structure lifting suspension centre is divided into suspension centre and lower suspension centre two, wherein goes up suspension centre and is arranged in high building high-altitude truss bracket On top boom, lower suspension centre is arranged on the lower boom of elevated single truss structure end;
(3), single truss structure lift technique:
Single truss structure lifting adopts " hydraulic synchronous lifting technique ", is used as lifting machinery, flexible steel twisted wire by hydraulic rockshaft As load-bearing rigging;
Hydraulic rockshaft is core-theaded type structure, using steel strand wires as lifting rigging.
CN201410179816.5A 2014-04-30 2014-04-30 Sliding device and lifting device for truss frame of steel structural transfer floor of the high-rise building and construction method thereof Active CN104060844B (en)

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