CN203741721U - Multi-high pier simultaneous sliding slip form system - Google Patents
Multi-high pier simultaneous sliding slip form system Download PDFInfo
- Publication number
- CN203741721U CN203741721U CN201320743029.XU CN201320743029U CN203741721U CN 203741721 U CN203741721 U CN 203741721U CN 201320743029 U CN201320743029 U CN 201320743029U CN 203741721 U CN203741721 U CN 203741721U
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- construction
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- truss
- high pier
- slip
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Abstract
The utility model belongs to the technical field of high pier slip-form construction, particularly relates to a multi-high pier simultaneous sliding slip form system and aims to solve the problems that when the traditional slip-form construction technology is adopted for the construction of multiple high piers, the construction period is long, the cost is high, and the construction quality and the safety are difficult to control. The multi-high pier simultaneous sliding slip form system comprises panels and a symmetrical truss for integrally connecting the panels, wherein the panel comprises multiple high piers. The utility model has the following benefits: the defect of nonuniform load during slip-form construction is avoided, multiple construction working faces are formed for alternative operation so as to reduce the time waiting for casting concrete, and the construction working efficiency is improved; the total construction period is shortened by 1/2 and even more.
Description
Technical field
The utility model belongs to the technical field of high pier slding form operation, is specifically related to a kind of many limbs with sliding sliding mode system.
Background technology
Sliding formwork is a kind of method of the towering concrete construction of constructing, known sliding form apparatus is made up of some templates, bracing frame and jacking or Hoisting System, its operating principle is Hoisting System climbing shuttering, to produce and slide between template and template inner concrete, and with the constantly building concrete of lifting of template, the height of realizing concrete structure increases.
Along with highway construction enters mountain area more and more, many novel more easy bridge pier structure patterns apply to construction field, again and again occur higher bridge pier height.High pier construction process mid-early stage construction site layout, the difficulty that construction technology, cost control and duration honour an agreement is increasing.Original high pier construction method adopts and turns over mould, hydraulic climbing mould construction is more, carries out construction operation for single pier stud, and the construction construction period is long, construction cost is relatively high, and large for construction quality, the security control difficulty of high pier.
Summary of the invention
The utility model is in order to solve the construction of traditional form construction technology for the high pier of many limbs, exists long construction period, cost high, and construction quality, the problem that security control difficulty is large, provide a kind of many limbs with sliding sliding mode system.
The utility model adopts following technical scheme to realize:
Many limbs are with sliding sliding mode system, comprise the panel of the high pier of many limbs and the truss of symmetrical structure that these panels are connected as one.
Truss top is upper operating platform, and truss bottom is connected with suspension bracket, and suspension bracket is provided with lower operating platform, and all sides of upper operating platform and lower operating platform are respectively equipped with protective guard.
Described portal frame top is also provided with tripod, and tripod is provided with rain shade.
The utlity model has following beneficial effect: many limbs, with sliding working platform, are convenient to being uniformly distributed of the interim stacking of material and top load, avoid the irregular drawback of load in slding form operation process; Form multiple construction working faces, the operation that can hocket, has reduced the stand-by period that concrete is built; The high pier of many limbs is constructed simultaneously, has improved construction efficiency, shortens the 1/2 even more of overall construction period.
Brief description of the drawings
Fig. 1 is a kind of embodiment of the utility model: the high pier of two limbs is with sliding sliding mode system floor map;
Fig. 2 is the another kind of embodiment of the utility model: the high pier of four limbs is with sliding sliding mode system floor map;
Fig. 3 is the schematic diagram of the utility model for the same sliding construction of many limbs;
Fig. 4 is Material Transportation part schematic diagram in embodiment;
Fig. 5 is rain cover in embodiment, sunshade structural representation;
In figure: 1-truss, 2-panel, 3-hoisting frame, 4-jack, 5-protective guard, 6-portal frame, 7-suspension bracket, the upper operating platform of 8-, operating platform under 9-, 10-pier stud, 11-hoist engine, 12-pulley I, 13-wire rope I, 14-hopper, 15-pulley II, 16-shoulder pole girder, 17-wire rope II, 18-guided rings, 19-bracing frame I, 20-counterweight end, 21-tripod, 22-portal frame crossbeam, 23-pole-climbing.
Detailed description of the invention
By reference to the accompanying drawings detailed description of the invention of the present utility model is described further.
One, many limbs are with sliding sliding mode system, comprise the panel 2 of the high pier of many limbs and the truss 1 of symmetrical structure that these panels 2 are connected as one.Truss 1 top is upper operating platform 8, and truss 1 bottom is connected with suspension bracket 7, and suspension bracket 7 is provided with lower operating platform 9, and upper operating platform 8 and 9 weeks sides of lower operating platform are respectively equipped with protective guard 5.
Two, the utility model is constructed with sliding for many limbs, and many limbs are with other sliding structure divisions.
1, truss
Truss is used for supporting, reinforcing template, forms the flat support system of making platform of entirety, and it is symmetrical structure.Each panel of the high pier of many limbs is connected as one.Carry out detailed computational check of stress, select L100 × 10mm angle steel as truss beam main tendon, main rib adopts L63 × 6mm angle steel, and diagonal rib adopts L50 × 5mm angle steel, forms sound construction, the light trussing of conducting oneself with dignity.Connection between girder truss to be to be welded as master, and part adopts bolt, while being convenient to there is binder works in sliding process, removes.
2, panel
Panel is moulding form, and himself rigidity, surface finish directly affect moulding and the apparent mass of demoulding concrete.It is that δ 6mm steel plate is made that panel adopts thickness; According to climatic characteristic, for preventing in slding form operation, because of the impact of large wind load on template, panel height is got 1.26m; For the ease of the safety of the demoulding and die body self, when erecting of panel, by forming certain tapering, upper and lower opening differs 2mm.
3, operating platform
Truss 1 top is upper operating platform 8, and truss 1 bottom is connected with suspension bracket 7, and suspension bracket 7 is provided with lower operating platform 9, and upper operating platform 8 and 9 weeks sides of lower operating platform are respectively equipped with protective guard 5.The upper and lower two parts of operating platform, carry out construction material stacking, operating personnel is provided job platform, ensure being uniformly distributed of sliding formwork body device load simultaneously, prevent template off normal.Placing of material is in the middle of works, and personnel amount is substantially fixing at periphery, and meanwhile, the more single limb structure of many limbs structure self can form a stable support system.
4, lift portion
Lift portion comprises some pole-climbings 23 that high pier pier stud 10 range of structures arrange with respect to pier stud 10 Central Symmetries, the corresponding pole-climbing 23 in truss 1 top is provided with hoisting frame 3, the centre-hole jack 4 that can be placed in pole-climbing is installed on hoisting frame 3, in pole-climbing 23, be also provided be positioned on jack 4, removable also fixable spacing ring.
Hoisting frame is the member that contacts between sliding formwork body and concrete, for supporting die plate body, truss, working platform, avoid distortion, and be supported in pole-climbing by the jack being arranged on its crossbeam, whole sliding load will pass to pole-climbing by hoisting frame, adopt " F " type hoisting frame according to construction experience, its girder, and the employing of longitudinal beam [18a channel-section steel, jack base (and hoisting frame transverse beam) is 12mm steel plate, gusset is 8mm steel plate; Pole-climbing is made up of the steel pipe of φ 48*3.5mm, and pole-climbing connects employing and is welded to connect, and steel pipe is after the welding of junction, adopt sanding machine to polish, make steel tube surface smooth, jack can be passed through smoothly, weld is full, and must not there be paint and iron rust in pole-climbing surface.The layout of hoisting frame is even, symmetrical, ensures that load can evenly be delivered to each jack and overall truss, forms overall force structure system.In pole-climbing, be provided with spacing ring, spacing ring is positioned at jack top, and spacing ring is fixed in pole-climbing by keeper, after jack puts in place, removes spacing ring, moves up, and retightens, and repeats with this.
5, Material Transportation part
Material Transportation part comprises the portal frame 6 that corresponding Mei Zhigaodun center arranges, and portal frame is arranged at pier stud center (stress balance) conventionally, and its size is corresponding with the physical dimension of pier stud.6 liang of column bottoms of portal frame are installed on truss 1 top, the crossbeam two ends of portal frame are respectively equipped with pulley I12, on two pulley I, be equipped with wire rope I13, wire rope I13 one end is connected with hopper 14, the wire rope I13 other end is connected with hoist engine 11, and truss 1 position of the running orbit process of hopper 14 arranges hopper via hole.One end that portal frame 6 is hung with hopper 14 is provided with horizontal gird assembly pulley, horizontal gird assembly pulley comprises shoulder pole girder 16, shoulder pole girder 16 is vertical with portal frame crossbeam 22, shoulder pole girder 16 two ends are respectively equipped with pulley II15, on two pulley II, wear and be respectively equipped with wire rope II17, wire rope II17 one end is fixedly connected with ground, and the wire rope II17 other end is connected with counterweight end 20 by two-stage fixed pulley, hopper 14 both sides are provided with guided rings 18, and wire rope II17 is arranged in the guided rings 18 of hopper both sides.
For the concrete of work progress and the transport of other small section material, provide vertical transport channel.Carry out the lifting up and down of hopper by hoist engine and assembly pulley, concrete is entered hopper and is entered sliding formwork body by simple and easy chute, for reducing the unsafe factors such as rocking of occurring in hopper fast lifting process,, in portal frame one end, horizontal gird assembly pulley being set, ground is fixed in wire rope II one end, below, one end is set to pulley, form gliding groove on hopper by counterweight end, hopper both sides arrange guided rings, while guaranteeing bunker lift, wave not significantly.Wire rope II is provided with unnecessary wire rope at counterweight end, carry out the folding and unfolding (mainly putting) of wire rope by the fixing wire clips in counterweight end place, according to counterweight end with sliding formwork body the promoted height that moves up, operating personnel by below unclamp wire clips, counterweight end can be put to ground, be completed the prolongation of a wire rope.After being used to complete, unclamp after fixed end, one furls, and one is hung down with cord, prevents that wire rope from, because gravity falls down and causes danger suddenly, after steel wire rope harvests, unclamping cord end, then receiving to Dun Ding, completes the folding and unfolding of wire rope.
When sliding formwork body is upwards sliding, whole portal frame is upwards sliding, and counterweight end together upwards improves, and in the time being increased to overhead 1m left and right, carries out transferring of counterweight end, realizes and repeats to promote and ensure that the vertical steel wire in guided rings is straight;
At portal frame two ends, tripod is set, canopy cloth is set above, play rain cover, sunshade effect, bundle with cotton rope at canopy cloth two ends, manually pull the fixing folding and unfolding effect that both can realize canopy cloth, easy and simple to handle.
6, hydraulic system
Hydraulic system is made up of parts such as hydraulic jack, hydraulic control panel, oil circuit and cramp bars.Hydraulic jack model is: 100 type Wedge-type jack, on each jack, needle valve is installed, to control oil-feed; Hydraulic control panel adopts controls YYKZT36 model automatically, and hydraulic system installs, and carry out test running, first carries out oil-filled exhaust, be forced into 12Mpa, hold at every turn and press 5 minutes, repeat each sealing place leakproof 3 times, check comprehensively, after each several part is working properly, then insert cramp bar; Oil pipe adopts steel high pressure seamless pipe composition, and in order to keep the fuel feeding of each jack even, the liter of being convenient to adjust jack is poor, adopts three grades of parallel waies.That is: being one-level from hydraulic control panel by main oil pipe to separator, is secondary from separator through oil distributing pipe a to separator, is three grades from a separator through branch oil pipe (sebific duct) to jack.By hydraulic control panel to each separator and by point, oil distributing pipe is to the length of pipeline of each jack, should be as far as possible identical when design.
Three, the construction method of applying the high pier of many limbs of the present utility model, upwards promotes by lift portion, lift portion driving truss, and truss drives each panel entirety to move up, and whole operating platform is together upwards sliding, forms many limbs Hollow High Pier with sliding.Its step is as follows:
1), the design and fabrication of sliding formwork body;
1.1) design of sliding form apparatus, by the analytical calculation to sliding formwork load, the particularly aspect such as inhomogeneous, the Anti-inclining of the load in sliding form apparatus process, wind resistance, consider construction period various adverse weathers and the impact of surrounding enviroment, select rational hydraulic system and cramp bar supporting capacity, calculate through serious analysis, inspection, form many limbs with sliding formwork structure system.
1.2) material that whole device uses is construction market common materials, and expense cost is low, is easy to purchase and on-the-spot processing.Adopt angle steel to be welded into truss pattern, concrete panel adopts the steel plate that thickness is 6mm, and steel plate becomes entirety with truss welding.When truss installation, erecting of panel completes, and hydraulic means, scaffold floor and guard rail are installed.
2), the installation of portal frame;
In high pier construction, effective conveying of concrete becomes an important indicator accelerating working procedure.Adopt simple and easy imperial portal frame to coordinate fast hoist engine to form safety, efficient concrete conveying device, can transport some other simple and easy materials simultaneously.Be provided with rain cover, sunshade simultaneously, reduced the impact of adverse weather on construction, ensure the continuity of construction quality and slding form operation.
3), die body is upwards sliding;
After sliding formwork health check-up school is qualified, carry out concrete pouring construction, when bottom 30cm concrete strength reaches 0.2Mpa-0.4Mpa, and can ensure that its surface and corner angle are unlikely because template sliding lifting is when impaired, die body starts sliding, die body upwards after sliding 30-50cm, carries out measurement and the correction of whole sliding form apparatus, ensures plan-position and the height accuracy of die body; Carry out the spreading of reinforcing bar, stiff skeleton and the continuous placing of concrete, until Dun Ding.As meet straining beam, and the panel band truss integral of binder end can be removed, all the other templates continue upwards sliding parallel with binder top below to panel, after constructing tie beam completes, binder Side Template and truss are installed, continue upwards sliding, until another binder or Dun Ding.
4), the dismounting of die body;
Die body is sliding while reaching hole capital after selling all securities position, utilizes tower crane to carry out blocked breaking and removes, and in demolishing process, does not remove part and adopts reinforcing bar rope to utilize embedded bar temporary fixed at Dun Ding.Dismounting order: (1) remove hydraulic oil pipe system; (2) remove inner formword and support system thereof; (3) the outer railing outer rim of dismantling operation platform; (4) remove hoisting frame, cut off support bar.
Claims (2)
1. limb more than is with a sliding sliding mode system, it is characterized in that comprising the panel (2) of the high pier of many limbs and the truss (1) of symmetrical structure that these panels (2) are connected as one.
2. many limbs according to claim 1 are with sliding sliding mode system, it is characterized in that: truss (1) top is upper operating platform (8), truss (1) bottom is connected with suspension bracket (7), suspension bracket (7) is provided with lower operating platform (9), and upper operating platform (8) and all sides of lower operating platform (9) are respectively equipped with protective guard (5).
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| CN201320743029.XU CN203741721U (en) | 2013-11-22 | 2013-11-22 | Multi-high pier simultaneous sliding slip form system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160247A (en) * | 2020-09-10 | 2021-01-01 | 中交第三航务工程局有限公司 | Construction method of asynchronous hydraulic creeping formwork for hollow high pier of limited space pier group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160247A (en) * | 2020-09-10 | 2021-01-01 | 中交第三航务工程局有限公司 | Construction method of asynchronous hydraulic creeping formwork for hollow high pier of limited space pier group |
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