CN104060844A - 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 PDFInfo
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- CN104060844A CN104060844A CN201410179816.5A CN201410179816A CN104060844A CN 104060844 A CN104060844 A CN 104060844A CN 201410179816 A CN201410179816 A CN 201410179816A CN 104060844 A CN104060844 A CN 104060844A
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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
Technical field
The present invention relates to a kind of high-rise steel structure conversion layer truss, relate in particular to a kind of high-rise steel structure conversion layer truss slippage equipment, lifting appliance and construction method, be applied in steel work.
Background technology
In recent years, in highrise building, the application of steel work conversion layer truss is more and more, when the architectural appearance that ensures highrise building is attractive in appearance, can provide again more reliable safety assurance.
Summary of the invention
The present invention solves the deficiencies in the prior art, a kind of compact conformation is provided, high-level structure conversion layer truss is between two high buildings, setting height(from bottom) is high, truss Heavy Weight, after field by using truss installation on ground completes, high-rise steel structure conversion layer truss slippage equipment, lifting appliance and construction method that the method for hydraulic pressure lift is installed.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of slippage equipment of high-rise steel structure conversion layer truss, comprise rail mechanism, sliding jig mechanism and slipping mechanism, described rail mechanism is provided with the sliding jig mechanism matching with rail mechanism, and described sliding jig mechanism stretches mutually by slipping mechanism;
Described rail mechanism comprises concrete floor, and the top of described concrete floor is provided with rail supported bar, and the two side ends of described rail supported bar is respectively equipped with track, and bottom and the concrete floor of described track fix;
Described sliding jig mechanism comprises sliding jig, the bottom of described sliding jig is provided with and the track polyfluortetraethylene plate of activity slippage mutually, the outside of described track is provided with the pulley sliding mutually with track, described pulley fixes by slide-bar and sliding jig, and described sliding jig is provided with single truss structure;
Described slipping mechanism comprises assembly pulley, draught line and towing point, in described draught line, be provided with assembly pulley, locate mutually with towing point one end of described assembly pulley, the other end of described assembly pulley is connected with sliding jig by draught line, and described draught line and Chain block traction or hoist engine are fixedly connected.
As preferably, in described concrete floor, be provided with expansion bolt buried plate, described expansion bolt buried plate and track are fastened by expansion bolt;
The lateral wall of described track is fixed with the elongated steel plate being slidably connected mutually with pulley, the outside of described sliding jig bottom is provided with spacing steel plate, described spacing steel plate is positioned at the outside of track, and described spacing steel plate is fastened by stiffener and sliding jig;
Between described single truss structure and sliding jig, support mutually maintenance by H type support bar.
The lifting appliance of high-rise steel structure conversion layer truss, comprise truss and suspension bracket, in described suspension bracket, be provided with truss, the two ends of described suspension bracket lower end are respectively equipped with lower lifting beam, the two ends of described single truss structure are located in lower lifting beam, the top of described truss is provided with lifting beam, described lower lifting beam is connected by hoisting rope with upper lifting beam, described hoisting rope is by lifter phase shift, the displacement of described hoisting rope drives the rising of single truss structure, and described single truss structure and truss match fixing.
The construction method of high-rise steel structure conversion layer truss, carry out according to the following steps:
(1), the setting of truss sliding rail and moulding bed:
The assembled impact that is subject to job site condition of single truss structure field ground, single truss structure cannot carry out assembled under installation site, so set up track and sliding jig, single truss structure on sliding jig after assembled completing, utilize traction cucurbit make sliding jig with single truss structure in orbit smooth-going move to installation site under;
(1), setting up of sliding rail:
On concrete floor below track, expansion bolt is set, arranges along orbital direction spacing 500mm, top and the track welding of expansion bolt buried plate are firm, and expansion bolt buried plate specification plane should be greater than 300mm*300mm;
Track adopts four Pin I50C GB i iron, lays to lifting location from assembled position, and two Pin i iron form a track, and between two Pin i iron of every track, spacing 1m arranges H200*150*4.5*6 shaped steel and is welded and fixed;
(2), setting up of sliding jig:
In the polyfluortetraethylene plate that 400*400*40mm is set by four Nodes that cross below track and sliding jig, tetrafluoro plate and sliding jig firm welding; The limit, termination of polyfluortetraethylene plate glide direction is polished into circular arc, reduces skid resistance;
The spacing steel plate that outside track, weld width is 25mm, and at side welded pulley, pulley one side and elongated steel plate are close to, the specification of elongated steel plate is that 240mm is wide, 12mm is thick;
(2), truss land slide:
(1), before single truss structure slippage, prepare:
Before single truss structure slippage, must carry out consolidation process to sliding jig in advance, and the H200*150*6*8 type steel support bar of four direction is set, multiple tracks diagonal brace bottom and sliding jig weld, and top and single truss structure spot welding are fixed;
Before single truss structure slippage, sliding jig and single truss structure must be welded and fixed, or sliding jig and truss are carried out to suitable colligation become entirety, the danger such as prevent in slipping truss slip or topple;
(2), truss slippage overturning or slip resistance analysis measure:
Two girder steels of the each welding in sliding jig beam two ends, girder steel is located mutually with single truss structure;
(3), single truss structure slippage traction method:
Before single truss structure slippage, towing point is set, each one of two tracks, adopt 10T Lever Blocks or hoist engine to draw, and are equipped with 30t tetra-door guide roller groups;
(3), single truss structure lifting scheme:
(1), lifting means:
The lifting means that adopts hydraulic synchronizing lifting construction technology to use has: hydraulic rockshaft, hydraulic pump source system, computer synchronous control and sensing and detecting system;
(2), promoting suspension centre arranges:
Single truss structure promotes suspension centre and is divided into two of suspension centre and lower suspension centres, wherein goes up on the upper chord that suspension centre is arranged in high building high-altitude truss bracket, and lower suspension centre is arranged on the lower chord that is raised single truss structure end;
(3), single truss structure lift technique:
Single truss structure promotes and adopts " hydraulic synchronous lifting technique ", and by hydraulic rockshaft, as lifting machinery, flexible steel twisted wire is as load-bearing rigging;
Hydraulic rockshaft is core-theaded type structure, using steel strand as promoting rigging.
But at the scene in work progress; often can run into because field ground situation is special; loop wheel machine cannot enter into two positions between high building truss is carried out to installation on ground, and the on-the-spot tower crane lifting performance using is less, cannot meet the situation of truss on-site consolidation requirement.So the method that adopts the slippage of conversion layer truss to promote addresses this problem, and because truss is plane frame, in slipping, the overturning or slip resistance analysis of truss has been proposed to higher requirement.
effect and advantage
1, the assembled of single truss structure can intert and construct with top concrete structure, only has Integral lifting process on the critical circuits of duration, significantly saved the duration.
2, effectively reduced the quantity of member merogenesis, reduced the workload of Site Welding, quality is easily controlled.
3, avoid adopting main equipment, cause the increase of working measure expense.
4, the workload of work high above the ground greatly reduces, and horizontal protective can together promote with single truss structure, and construction safety is easy to control.
Therefore, high-rise steel structure conversion layer truss slippage equipment of the present invention, lifting appliance and construction method, compact conformation, economizes on resources, and construction safety is easy to control.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of middle orbit of the present invention mechanism;
Fig. 3 is the structural representation of sliding jig mechanism in the present invention;
Fig. 4 is the structural representation of lifting appliance in the present invention.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: as shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of slippage equipment of high-rise steel structure conversion layer truss, comprise rail mechanism, sliding jig mechanism and slipping mechanism, described rail mechanism is provided with the sliding jig mechanism matching with rail mechanism, and described sliding jig mechanism stretches mutually by slipping mechanism;
Described rail mechanism comprises concrete floor 1, and the top of described concrete floor 1 is provided with rail supported bar 2, and the two side ends of described rail supported bar 2 is respectively equipped with track 3, and bottom and the concrete floor 1 of described track 3 fix;
Described sliding jig mechanism comprises sliding jig 4, the bottom of described sliding jig 4 is provided with and track 3 polyfluortetraethylene plate 5 of activity slippage mutually, the outside of described track 3 is provided with the pulley 6 sliding mutually with track 3, described pulley 6 fixes by slide-bar 7 and sliding jig 4, and described sliding jig 4 is provided with single truss structure 8;
Described slipping mechanism comprises assembly pulley 9, draught line 10 and towing point 11, in described draught line 10, be provided with assembly pulley 9, locate mutually with towing point 11 one end of described assembly pulley 9, the other end of described assembly pulley 9 is connected with sliding jig 4 by draught line 10, and described draught line 10 is fixedly connected with Chain block traction or hoist engine.
In described concrete floor 1, be provided with expansion bolt buried plate 13, described expansion bolt buried plate 13 is fastened by expansion bolt 14 with track 3;
The lateral wall of described track 3 is fixed with the elongated steel plate 15 being slidably connected mutually with pulley 6, the outside of described sliding jig 4 bottoms is provided with spacing steel plate 16, described spacing steel plate 16 is positioned at the outside of track 3, and described spacing steel plate 16 is fastened by stiffener 17 and sliding jig 4;
Between described single truss structure 8 and sliding jig 4, support mutually maintenance by H type support bar 18.
The lifting appliance of high-rise steel structure conversion layer truss, comprise truss 19 and suspension bracket 20, in described suspension bracket 20, be provided with truss 19, the two ends of described suspension bracket 20 lower ends are respectively equipped with lower lifting beam 21, the two ends of described single truss structure 8 are located in lower lifting beam 21, the top of described truss 19 is provided with lifting beam 22, described lower lifting beam 21 is connected by hoisting rope 23 with upper lifting beam 22, described hoisting rope 23 is by lifter 24 phase shifts, the displacement of described hoisting rope 23 drives the rising of single truss structure 8, described single truss structure 8 matches fixing with truss 19.
The construction method of high-rise steel structure conversion layer truss, carry out according to the following steps:
(1), the setting of truss sliding rail and moulding bed:
The assembled impact that is subject to job site condition of single truss structure field ground, single truss structure cannot carry out assembled under installation site, so set up track and sliding jig, single truss structure on sliding jig after assembled completing, utilize traction cucurbit make sliding jig with single truss structure in orbit smooth-going move to installation site under;
(1), setting up of sliding rail:
On concrete floor below track, expansion bolt is set, arranges along orbital direction spacing 500mm, top and the track welding of expansion bolt buried plate are firm, and expansion bolt buried plate specification plane should be greater than 300mm*300mm;
Track adopts four Pin I50C GB i iron, lays to lifting location from assembled position, and two Pin i iron form a track, and between two Pin i iron of every track, spacing 1m arranges H200*150*4.5*6 shaped steel and is welded and fixed;
(2), setting up of sliding jig:
In the polyfluortetraethylene plate that 400*400*40mm is set by four Nodes that cross below track and sliding jig, tetrafluoro plate and sliding jig firm welding; The limit, termination of polyfluortetraethylene plate glide direction is polished into circular arc, reduces skid resistance;
The spacing steel plate that outside track, weld width is 25mm, and at side welded pulley, pulley one side and elongated steel plate are close to, the specification of elongated steel plate is that 240mm is wide, 12mm is thick;
(2), truss land slide:
(1), before single truss structure slippage, prepare:
Before single truss structure slippage, must carry out consolidation process to sliding jig in advance, and the H200*150*6*8 type steel support bar of four direction is set, multiple tracks diagonal brace bottom and sliding jig weld, and top and single truss structure spot welding are fixed;
Before single truss structure slippage, sliding jig and single truss structure must be welded and fixed, or sliding jig and truss are carried out to suitable colligation become entirety, the danger such as prevent in slipping truss slip or topple;
(2), truss slippage overturning or slip resistance analysis measure:
Two girder steels of the each welding in sliding jig beam two ends, girder steel is located mutually with single truss structure;
(3), single truss structure slippage traction method:
Before single truss structure slippage, towing point is set, each one of two tracks, adopt 10T Lever Blocks or hoist engine to draw, and are equipped with 30t tetra-door guide roller groups;
(3), single truss structure lifting scheme:
(1), lifting means:
The lifting means that adopts hydraulic synchronizing lifting construction technology to use has: hydraulic rockshaft, hydraulic pump source system, computer synchronous control and sensing and detecting system;
(2), promoting suspension centre arranges:
Single truss structure promotes suspension centre and is divided into two of suspension centre and lower suspension centres, wherein goes up on the upper chord that suspension centre is arranged in high building high-altitude truss bracket, and lower suspension centre is arranged on the lower chord that is raised single truss structure end;
(3), single truss structure lift technique:
Single truss structure promotes and adopts " hydraulic synchronous lifting technique ", and by hydraulic rockshaft, as lifting machinery, flexible steel twisted wire is as load-bearing rigging;
Hydraulic rockshaft is core-theaded type structure, using steel strand as promoting rigging.
Claims (4)
1. the slippage equipment of a high-rise steel structure conversion layer truss, it is characterized in that: comprise rail mechanism, sliding jig mechanism and slipping mechanism, described rail mechanism is provided with the sliding jig mechanism matching with rail mechanism, and described sliding jig mechanism stretches mutually by slipping mechanism;
Described rail mechanism comprises concrete floor (1), the top of described concrete floor (1) is provided with rail supported bar (2), the two side ends of described rail supported bar (2) is respectively equipped with track (3), and bottom and the concrete floor (1) of described track (3) fix;
Described sliding jig mechanism comprises sliding jig (4), the bottom of described sliding jig (4) is provided with and track (3) polyfluortetraethylene plate of activity slippage (5) mutually, the outside of described track (3) is provided with the pulley (6) sliding mutually with track (3), described pulley (6) fixes by slide-bar (7) and sliding jig (4), and described sliding jig (4) is provided with single truss structure (8);
Described slipping mechanism comprises assembly pulley (9), draught line (10) and towing point (11), in described draught line (10), be provided with assembly pulley (9), locate mutually with towing point (11) one end of described assembly pulley (9), the other end of described assembly pulley (9) is connected with sliding jig (4) by draught line (10), and described draught line (10) is fixedly connected with Chain block traction or hoist engine.
2. the slippage equipment of high-rise steel structure conversion layer truss according to claim 1, is characterized in that:
In described concrete floor (1), be provided with expansion bolt buried plate (13), described expansion bolt buried plate (13) is fastened by expansion bolt (14) with track (3);
The lateral wall of described track (3) is fixed with the elongated steel plate (15) being slidably connected mutually with pulley (6), the outside of described sliding jig (4) bottom is provided with spacing steel plate (16), described spacing steel plate (16) is positioned at the outside of track (3), and described spacing steel plate (16) is fastened by stiffener (17) and sliding jig (4);
Between described single truss structure (8) and sliding jig (4), support mutually maintenance by H type support bar (18).
3. the lifting appliance of high-rise steel structure conversion layer truss according to claim 1, it is characterized in that: comprise truss (19) and suspension bracket (20), in described suspension bracket (20), be provided with truss (19), the two ends of described suspension bracket (20) lower end are respectively equipped with lower lifting beam (21), the two ends of described single truss structure (8) are located in lower lifting beam (21), the top of described truss (19) is provided with lifting beam (22), described lower lifting beam (21) is connected by hoisting rope (23) with upper lifting beam (22), described hoisting rope (23) is by lifter (24) phase shift, the displacement of described hoisting rope (23) drives the rising of single truss structure (8), described single truss structure (8) matches fixing with truss (19).
4. the construction method of high-rise steel structure conversion layer truss according to claim 1 and 2, is characterized in that carrying out according to the following steps:
(1), the setting of truss sliding rail and moulding bed:
The assembled impact that is subject to job site condition of single truss structure field ground, single truss structure cannot carry out assembled under installation site, so set up track and sliding jig, single truss structure on sliding jig after assembled completing, utilize traction cucurbit make sliding jig with single truss structure in orbit smooth-going move to installation site under;
(1), setting up of sliding rail:
On concrete floor below track, expansion bolt is set, arranges along orbital direction spacing 500mm, top and the track welding of expansion bolt buried plate are firm, and expansion bolt buried plate specification plane should be greater than 300mm*300mm;
Track adopts four Pin I50C GB i iron, lays to lifting location from assembled position, and two Pin i iron form a track, and between two Pin i iron of every track, spacing 1m arranges H200*150*4.5*6 shaped steel and is welded and fixed;
(2), setting up of sliding jig:
In the polyfluortetraethylene plate that 400*400*40mm is set by four Nodes that cross below track and sliding jig, tetrafluoro plate and sliding jig firm welding; The limit, termination of polyfluortetraethylene plate glide direction is polished into circular arc, reduces skid resistance;
The spacing steel plate that outside track, weld width is 25mm, and at side welded pulley, pulley one side and elongated steel plate are close to, the specification of elongated steel plate is that 240mm is wide, 12mm is thick;
(2), truss land slide:
(1), before single truss structure slippage, prepare:
Before single truss structure slippage, must carry out consolidation process to sliding jig in advance, and the H200*150*6*8 type steel support bar of four direction is set, multiple tracks diagonal brace bottom and sliding jig weld, and top and single truss structure spot welding are fixed;
Before single truss structure slippage, sliding jig and single truss structure must be welded and fixed, or sliding jig and truss are carried out to suitable colligation become entirety, the danger such as prevent in slipping truss slip or topple;
(2), truss slippage overturning or slip resistance analysis measure:
Two girder steels of the each welding in sliding jig beam two ends, girder steel is located mutually with single truss structure;
(3), single truss structure slippage traction method:
Before single truss structure slippage, towing point is set, each one of two tracks, adopt 10T Lever Blocks or hoist engine to draw, and are equipped with 30t tetra-door guide roller groups;
(3), single truss structure lifting scheme:
(1), lifting means:
The lifting means that adopts hydraulic synchronizing lifting construction technology to use has: hydraulic rockshaft, hydraulic pump source system, computer synchronous control and sensing and detecting system;
(2), promoting suspension centre arranges:
Single truss structure promotes suspension centre and is divided into two of suspension centre and lower suspension centres, wherein goes up on the upper chord that suspension centre is arranged in high building high-altitude truss bracket, and lower suspension centre is arranged on the lower chord that is raised single truss structure end;
(3), single truss structure lift technique:
Single truss structure promotes and adopts " hydraulic synchronous lifting technique ", and by hydraulic rockshaft, as lifting machinery, flexible steel twisted wire is as load-bearing rigging;
Hydraulic rockshaft is core-theaded type structure, using steel strand as promoting rigging.
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|---|---|---|---|
| CN201410179816.5A CN104060844B (en) | 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 |
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| CN201410179816.5A CN104060844B (en) | 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 |
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| CN104989114A (en) * | 2015-07-15 | 2015-10-21 | 上海绿地建设(集团)有限公司 | Sliding construction device and method for large-span arc-shaped roof |
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| CN105257005A (en) * | 2015-11-05 | 2016-01-20 | 中国建筑第八工程局有限公司 | Method for segmenting steel-structured transfer truss and segmented steel-structured transfer truss |
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