CN103669219B - Many limbs height pier is with sliding construction equipment - Google Patents

Many limbs height pier is with sliding construction equipment Download PDF

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Publication number
CN103669219B
CN103669219B CN201310592923.6A CN201310592923A CN103669219B CN 103669219 B CN103669219 B CN 103669219B CN 201310592923 A CN201310592923 A CN 201310592923A CN 103669219 B CN103669219 B CN 103669219B
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China
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construction
pier
truss
wire rope
hopper
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CN103669219A (en
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侯利军
秦德进
李存虎
冯恒旺
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China Railway No 3 Engineering Group Co Ltd
Six Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
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China Railway No 3 Engineering Group Co Ltd
Six Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
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Abstract

The invention belongs to the technical field of high pier slding form operation, be specifically related to a kind of many limbs thin-wall hollow high-pier slip form construction device simultaneously, solve the construction of traditional form construction technology for many limbs height pier, there is long construction period, cost is high, construction quality, the problem that security control difficulty is large.It comprises sliding formwork part, lift portion and Material Transportation part, the panel that sliding formwork part comprises many limbs height pier and the truss of symmetrical structure connected as one by these panels.Beneficial effect of the present invention: avoid the drawback that in slding form operation process, load is irregular; Form multiple construction working face, can hocket operation, decreases the stand-by period of concrete placings; Accelerate construction speed, decrease the input of crane or concrete pump simultaneously, save construction cost; Reduce the impact of adverse weather on construction, ensure the continuity of construction quality and slding form operation; Improve construction efficiency, shorten the 1/2 even more of overall construction period.

Description

Many limbs height pier is with sliding construction equipment
Technical field
The invention belongs to the technical field of high pier slding form operation, be specifically related to a kind of many limbs thin-wall hollow high-pier slip form construction device simultaneously.
Background technology
Sliding formwork is a kind of method of 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, produce between template and template inner concrete to slide, and with the lifting constantly building concrete of template, the height 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 longer, construction cost is relatively high, and large for the construction quality of high pier, security control difficulty.
Summary of the invention
In order to solve the construction of traditional form construction technology for many limbs height pier, there is long construction period, cost be high in the present invention, construction quality, the problem that security control difficulty is large, provides a kind of many limbs thin-wall hollow high-pier slip form construction device and construction method thereof simultaneously.
The present invention adopts following technical scheme to realize:
A kind of many limbs Hollow High Pier, with sliding construction equipment, comprises sliding formwork part, lift portion and Material Transportation part, the panel that described sliding formwork part comprises many limbs height pier and the truss of symmetrical structure connected as one by these panels.
Described Material Transportation part comprises the portal frame that corresponding Mei Zhigaodun center is arranged, portal frame two column bottom is installed on truss top, the crossbeam two ends of portal frame are respectively equipped with pulley I, two pulley I are equipped with wire rope I, wire rope I one end is connected with hopper, and the wire rope I other end is connected with hoist engine.
One end that portal frame is hung with hopper is provided with horizontal gird assembly pulley, horizontal gird assembly pulley comprises shoulder pole girder, shoulder pole girder and portal frame beam vertical, shoulder pole girder two ends are respectively equipped with pulley II, two pulley II are equipped with wire rope II, wire rope II one end is fixedly connected with ground, the wire rope II other end is connected with Balance weight end by two-stage fixed pulley, hopper both sides are provided with guided rings, wire rope II is arranged in the guided rings of hopper both sides, and the truss position of the running orbit process of hopper arranges hopper via hole.
Described lift portion comprises some pole-climbings that high pier pillarwork scope is arranged relative to pier stud Central Symmetry, the corresponding pole-climbing in truss top is provided with hoisting frame, hoisting frame is provided with the centre-hole jack that can be placed in pole-climbing, pole-climbing is also provided be positioned on jack, removable also fixable spacing ring.
Truss top is upper operating platform, is connected with suspension bracket bottom truss, and suspension bracket is provided with lower operating platform, and upper operating platform and all sides of 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 present invention has following beneficial effect: many limbs, with sliding working platform, are convenient to material and are stacked and being uniformly distributed of top load temporarily, avoid the drawback that in slding form operation process, load is irregular; Form multiple construction working face, can hocket operation, decreases the stand-by period of concrete placings; Utilize portal frame, promote concrete and other materials by fast winch, tower crane only lifts reinforcing bar, divides the work to construction machinery, accelerates construction speed, decreases the input of crane or concrete pump simultaneously, has saved construction cost; Portal frame top is provided with rain cover, sunshade, reduces the impact of adverse weather on construction, ensure the continuity of construction quality and slding form operation; Many limbs height pier is constructed simultaneously, improves construction efficiency, shortens the 1/2 even more of overall construction period.
Accompanying drawing explanation
Fig. 1 is one embodiment of the present invention: two limb height pier sliding formwork body plane schematic diagram;
Fig. 2 is another embodiment of the present invention: four limbs height pier sliding formwork body plane schematic diagram;
Fig. 3 is structural representation of the present invention;
Fig. 4 is Material Transportation part-structure schematic diagram of the present invention;
Fig. 5 is lifting appliance rain cover, 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-Balance weight end, 21-tripod, 22-portal frame crossbeam, 23-pole-climbing.
Detailed description of the invention
By reference to the accompanying drawings the specific embodiment of the present invention is described further.
One, many limbs Hollow High Pier is with sliding construction equipment, comprises sliding formwork part and operating platform, lift portion and Material Transportation part, the panel 2 that sliding formwork part comprises many limbs height pier and the truss of symmetrical structure connected as one by these panels 2.Lift portion comprises hoisting frame; Material Transportation part comprises portal frame.Upwards promoted by lift portion, lift portion driving truss, truss drives each panels en bloc to move up, and whole operating platform is together upwards sliding, forms many limbs Hollow High Pier with sliding.
Two, the constructing structure of sliding formwork body of the present invention is as follows:
1, truss
Truss is used for supporting, reinforcing template, and form the overall flat support system making platform, it is symmetrical structure.Each panel of many limbs height pier 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, light trussing of conducting oneself with dignity.Connection between girder truss is to be welded as master, and part adopts bolt, is convenient to remove when having binder works in sliding process.
2, panel
Panel is moulding form, and himself rigidity, surface finish directly affect the shaping of demoulding concrete and apparent mass.Panel adopts thickness to be that δ 6mm steel plate makes; According to climatic characteristic, for preventing in slding form operation, because large wind load is on the impact of template, panel height gets 1.26m; For the ease of the safety of the demoulding and die body self, by forming certain tapering during erecting of panel, upper and lower opening difference 2mm.
3, lift portion
Lift portion comprises some pole-climbings 23 that high pier pier stud 10 range of structures is arranged relative to pier stud 10 Central Symmetry, the corresponding pole-climbing 23 in truss 1 top is provided with hoisting frame 3, hoisting frame 3 is provided with the centre-hole jack 4 that can be placed in pole-climbing, pole-climbing 23 is also provided be positioned on jack 4, removable also fixable spacing ring.
Hoisting frame is contact component between sliding formwork body and concrete, for supporting die plate body, truss, working platform, avoid distortion, and being supported in pole-climbing by the jack be 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 beam employing of longitudinal direction [18a channel-section steel, jack base (and hoisting frame transverse beam) is 12mm steel plate, and 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, and adopt sanding machine to polish, make steel tube surface smooth, jack can be passed through smoothly, and 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 evenly can be delivered to each jack and overall truss, forms overall force structure system.Pole-climbing is provided with spacing ring, and spacing ring is positioned at above jack, and spacing ring is fixed in pole-climbing by keeper, after jack puts in place, removes spacing ring, moves up, retighten, repeat with this.
4, Material Transportation part
Material Transportation part comprises the portal frame 6 that corresponding Mei Zhigaodun center is arranged, and portal frame is arranged at pier stud center (stress balance) usually, and its size is corresponding with the physical dimension of pier stud.Portal frame 6 liang of column bottom are installed on truss 1 top, the crossbeam two ends of portal frame are respectively equipped with pulley I12, two pulley I are 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, two pulley II wear and is 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 Balance weight 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 transport of the concrete in work progress and other small section material, provide vertical transport channel.The lifting up and down of hopper is carried out by hoist engine and assembly pulley, concrete enters hopper by simple and easy chute and enters sliding formwork body, for reducing the unsafe factors such as rocking of occurring in hopper fast lifting process, in portal frame one end, horizontal gird assembly pulley is set, lower wire rope II is fixed on ground in one end, and one end is set to pulley, forms gliding groove on hopper by Balance weight end, hopper both sides arrange guided rings, wave not significantly when guaranteeing bunker lift.Wire rope II is provided with unnecessary wire rope in Balance weight end, the wire clips fixed by Balance weight end place carries out the folding and unfolding (mainly putting) of wire rope, to move up promoted height with sliding formwork body according to Balance weight end, wire clips is unclamped by the operating personnel of below, can Balance weight end be put to ground, complete the prolongation of a wire rope.After being used to complete, after unclamping fixed end, one furls, and one is hung down with cord, prevents wire rope from causing danger because gravity falls down suddenly, after steel wire rope harvests, unclamps cord end, then receive to Dun Ding, complete the folding and unfolding of wire rope.
When sliding formwork body is upwards sliding, whole portal frame is upwards sliding, and Balance weight end together upwards improves, when be increased to overhead about 1m time, carry out transferring of Balance weight end, realize repeating to promote and ensureing that the vertical steel wire in guided rings is straight;
Arrange tripod at portal frame two ends, arrange canopy cloth above, play rain cover, sunshade effect, at canopy cloth two ends, cotton rope bundlees, and manually pulls the fixing folding and unfolding effect that both can realize canopy cloth, easy and simple to handle.
5, operating platform
Truss 1 top is upper operating platform 8, is connected with suspension bracket 7 bottom truss 1, and suspension bracket 7 is provided with lower operating platform 9, and upper operating platform 8 and lower operating platform 9 weeks sides are respectively equipped with protective guard 5.The upper and lower two parts of operating platform, carry out the stacking of construction material, provide operating personnel 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, many limbs structure more single limb structure self can form a stable support system.
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, needle valve is installed by each jack, to control oil-feed; Hydraulic control panel adopts control YYKZT36 model automatically, and hydraulic system installs, and carry out test running, first carry out oil-filled exhaust, be forced into 12Mpa, hold pressure 5 minutes at every turn, repeat 3 times, each sealing place leakproof, 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 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 through oil distributing pipe to a separator from separator, is three grades from a separator through branch oil pipe (sebific duct) to jack.By hydraulic control panel to each separator and by the length of pipeline of point, oil distributing pipe to each jack, should be as far as possible identical during design.
Three, the construction method of many limbs height pier, 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 aspects such as the load particularly in sliding form apparatus process is uneven, Anti-inclining, wind resistance, consider construction period various adverse weather 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 face slab adopts thickness to be the steel plate of 6mm, and steel plate and truss welding are integrally.While truss installa-tion completes, erecting of panel completes, and installs hydraulic means, scaffold floor and guard rail.
2), the installation of portal frame;
In high pier construction, effective conveying of concrete becomes the important indicator accelerating working procedure.Adopt simple and easy imperial portal frame to coordinate fast hoist engine to form safety, efficiently concrete conveying device, some other simple and easy materials can be transported simultaneously.Be provided with rain cover, sunshade simultaneously, reduce 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 placings construction, when bottom 30cm concrete strength reaches 0.2Mpa-0.4Mpa, and can ensure its surface and corner angle unlikely because of template sliding lifting impaired time, 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 reinforcing bar, the spreading of stiff skeleton and the continuous placing of concrete, until Dun Ding.As met straining beam, 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 when 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 (4)

1. the pier of limb height more than a kind is with sliding construction equipment, comprise sliding formwork part, lift portion and Material Transportation part, the truss (1) of symmetrical structure that it is characterized in that the panel (2) that described sliding formwork part comprises many limbs height pier and these panels (2) are connected as one, described Material Transportation part comprises the portal frame (6) that corresponding Mei Zhigaodun center is arranged, portal frame (6) two column bottom is installed on truss (1) top, the crossbeam two ends of portal frame are respectively equipped with pulley I(12), two pulley I are equipped with wire rope I(13), wire rope I(13) one end is connected with hopper (14), wire rope I(13) other end is connected with hoist engine (11), 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 II(15), two pulley II wear and is respectively equipped with wire rope II(17), wire rope II(17) one end is fixedly connected with ground, wire rope II(17) other end is connected with Balance weight end (20) by two-stage fixed pulley, hopper (14) both sides are provided with guided rings (18), wire rope II(17) be arranged in the guided rings (18) of hopper both sides.
2. many limbs height pier according to claim 1 is with sliding construction equipment, it is characterized in that: described lift portion comprises some pole-climbings (23) that high pier pier stud (10) range of structures is arranged relative to pier stud (10) Central Symmetry, the corresponding pole-climbing (23) in truss (1) top is provided with hoisting frame (3), hoisting frame (3) is provided with the centre-hole jack (4) that can be placed in pole-climbing, pole-climbing (23) is also provided be positioned on jack (4), removable also fixable spacing ring.
3. many limbs height pier according to claim 1 is with sliding construction equipment, 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 lower operating platform (9) all sides are respectively equipped with protective guard (5).
4. many limbs height pier according to claim 1 is with sliding construction equipment, it is characterized in that: described portal frame (6) top is also provided with tripod (21), and tripod (21) is provided with rain shade.
CN201310592923.6A 2013-11-22 2013-11-22 Many limbs height pier is with sliding construction equipment Active CN103669219B (en)

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CN103669219B true CN103669219B (en) 2016-04-20

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112726424A (en) * 2021-02-01 2021-04-30 广西路建工程集团有限公司 Method for disassembling concrete top plate bottom die after support

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH062429A (en) * 1992-06-19 1994-01-11 Tobishima Corp Slip form device
CN202064281U (en) * 2011-04-19 2011-12-07 中铁二十三局集团第三工程有限公司 Slip form frame
CN203201139U (en) * 2012-08-21 2013-09-18 郑州煤炭工业(集团)工程有限公司 Multi-chamber vertical-shaft overhead truss integrated slipform device
CN203795311U (en) * 2013-11-22 2014-08-27 中铁三局集团有限公司 Multi-leg high pier and slip form construction device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH062429A (en) * 1992-06-19 1994-01-11 Tobishima Corp Slip form device
CN202064281U (en) * 2011-04-19 2011-12-07 中铁二十三局集团第三工程有限公司 Slip form frame
CN203201139U (en) * 2012-08-21 2013-09-18 郑州煤炭工业(集团)工程有限公司 Multi-chamber vertical-shaft overhead truss integrated slipform device
CN203795311U (en) * 2013-11-22 2014-08-27 中铁三局集团有限公司 Multi-leg high pier and slip form construction device

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