CN104652807B - Certainly turnover construction system and the method for climbing tower support steel beam in hydraulic climbing die block system - Google Patents

Certainly turnover construction system and the method for climbing tower support steel beam in hydraulic climbing die block system Download PDF

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Publication number
CN104652807B
CN104652807B CN201410847087.6A CN201410847087A CN104652807B CN 104652807 B CN104652807 B CN 104652807B CN 201410847087 A CN201410847087 A CN 201410847087A CN 104652807 B CN104652807 B CN 104652807B
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girder
support steel
climbing
construction
hydraulic
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CN104652807A (en
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袁文岑
陈蕾
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China Construction First Group Corp Ltd
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China Construction First Group Corp Ltd
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Abstract

Certainly turnover construction system and the method for climbing tower support steel beam in a kind of hydraulic climbing die block system, hydraulic platform arranges a pair hoist engine, and coordinate assembly pulley, along with climbing of hydraulic climbing die block system, by nethermost turnover support steel beam decompose after, by each component successively on carry to target location carry out assemble install, as new first holding force support steel beam, second support steel beam originally then becomes new turnover support steel beam, realizes the entirety of support steel beam and so forth and climbs construction.Hanging device of the present invention is simple, operating flexibility is high, cost is extremely low, efficiently solve traditional construction needs arrange specially a large-scale derrick crane be supported the lifting construction of girder steel, efficiency is low, cost is high, not only in hoisting process in climbing tower cisco unity malfunction but also need preset on each platform of creeping formwork lifting hole, simultaneously set up substantial amounts of security protection, not only can affect climb formwork platform use space but also the problem that expends substantial amounts of manpower and materials.

Description

Certainly turnover construction system and the method for climbing tower support steel beam in hydraulic climbing die block system
Technical field
The present invention relates to hydraulic climbing mould construction technical field, particularly to turnover construction system and the method certainly of climbing tower support steel beam interior in a kind of hydraulic climbing die block system.
Background technology
Hydraulic climbing formwork (being called for short " creeping formwork ") and climbing tower crane (being called for short " interior climbing tower ") belong to Super High construction equipment, set up on Core Walls Structure, the most alternately climb with cylinder construction, it is widely used in vertical body of wall to construct in advance and the delayed construction of horizontal structure, is a kind of form of construction work common in Super High construction technology.Climb formwork platform is broadly divided into upper mounting plate, main platform, hydraulic platform by function and hangs platform four part, during normal use, main platform girder steel by hanging seat, climb cone and creeping formwork load is transferred to vertical body of wall by the component such as screw rod.Interior climbing tower need to set up support steel beam, generally three roads, rides upon on the concrete wall poured and by body of wall going down load, and beam is away from being provided by manufacturer and arranging.
In ripe Super High construction, interior climbing tower runs through creeping formwork, forms creeping formwork-interior climbing tower system i.e. mould Tower System, reserved on the premise of meeting creeping formwork self and using in climbing tower tower body hole, and supporting security protection is set.Support steel beam alternately need to be climbed by other crane gears lifting week then realization.General form of construction work is to be lifted by another derrick crane or transhipment support steel beam, and its drawback is: one, in support steel beam transport process, and interior climbing tower cisco unity malfunction, and need to allocate special derrick crane, efficiency of construction is low, and the construction period is long;Its two, need on each platform of creeping formwork preset lifting hole, set up substantial amounts of security protection simultaneously, the most not only can affect the use space of climb formwork platform, and expend substantial amounts of manpower and materials.
Summary of the invention
Present invention aim at providing climbing tower support steel beam in a kind of hydraulic climbing die block system from turnover construction system and method, when solving existing mould Tower System utilizes derrick crane lifting supporting steel, interior climbing tower cisco unity malfunction, need to allocate that special derrick crane, efficiency of construction be low, the drawback of construction period length;Also solve existing construction technology need stay on each platform of creeping formwork set lifting hole and set up substantial amounts of security protection, not only can affect creeping formwork use space and also expend the technical barrier of substantial amounts of manpower and materials, the turnover certainly of support steel beam is realized in being intended to mould Tower System, discharge more capacity, ensure the integrity of climb formwork platform simultaneously.
For realizing above-mentioned technical purpose, the present invention adopts the following technical scheme that:
In in a kind of hydraulic climbing die block system, climbing tower support steel beam has enough to meet the need construction system, certainly including main hoist system and secondary lift system, it is characterised in that: described main hoist system includes hoist engine and supporting assembly pulley;Described hoist engine is two, is respectively and fixedly installed on the hydraulic platform of Core Walls Structure both sides;Described assembly pulley includes an angle pulley, a fixed pulley and a movable pulley, and wherein, angle pulley is arranged on hydraulic platform;Fixed pulley is fixed on creeping formwork main landing beam bottom surface;Movable pulley is connected with suspension hook;Described secondary lift system is to be arranged on earth anchor, tower body or body of wall to play auxiliary drawknot or the small-sized hoisting aids instrument of enhanced feature.
Preferably, described small-sized hoisting aids instrument is chain block, electric block or small-sized electric hoist engine.
nullCertainly the week rotating construction method of climbing tower support steel beam in a kind of hydraulic climbing die block system,Described support steel beam is by adhering to frame、Secondary beam and girder composition,The two ends of girder are placed in the reserved opening of concrete wall,And weld with the steel plate built-in fitting in reserved opening,Reserved opening sectional dimension adapts with support steel beam end cross-sectional size,And meet during handling unilateral、The remaining that oblique angle taking-up or the short transverse loaded need,And both sides Rewelding、The scantling of the needs such as gouge and working place,It is provided with three roads the most altogether,Wherein first support steel beam and second support steel beam are holding force support steel beam,Bottom 3rd road support steel beam is turnover support steel beam,Along with climbing of hydraulic climbing die block system,To carry to target location on nethermost turnover support steel beam as new first holding force support steel beam,Second support steel beam originally then becomes new turnover support steel beam,And so forth,Realize the entirety of support steel beam to climb construction,It is characterized in that,Including Construction in Preparatory Stage and concrete turnover construction stage two parts certainly;
Wherein, Construction in Preparatory Stage comprises the following steps:
Step one, platform are cleared up: including that the cleaning of climbing form system platform and material prepare, described climbing form system platform includes upper mounting plate, main platform, hydraulic platform from top to bottom and hangs platform;
Step 2, installation wire rope hoist: be respectively mounted on the hydraulic platform of Core Walls Structure both sides and fix a hoist engine, and arrange rope;
Step 3, supporting assembly pulley is installed: realized the connection of hoist engine rope and turnover support steel beam component by assembly pulley;
Step 4, interior climbing tower are installed: interior climbing tower has been installed and run through each platform of creeping formwork, and its lower support steel beam has been installed and put in place and provide load for interior climbing tower.
Comprise the following steps from the turnover construction stage:
Step one, determine turnover target location: determine support steel beam position according to interior climbing tower its clamped height, so that it is determined that the target location that carries on turnover support steel beam;
Step 2, decompose undermost turnover support steel beam: first unloaded by the attachment frame on support steel beam, then girder is disconnected with the soldered of the steel plate built-in fitting of the reserved opening of both sides body of wall and separating, finally release the connection of girder and secondary beam;
Step 3, the lifting of attachment frame: carry to target location with assisting small-sized hoisting aids instrument to pull on attachment frame, and fix temporarily;
Step 4, the first time lifting of secondary beam: promote secondary beam with hoist engine, taken and be placed on former first support steel beam, fix with first support steel beam with steel wire rope temporarily;
Step 5, the lifting of girder: with two hoist engines lifting girder simultaneously, during lifting, girder one end is raised and make its tilted upward certain angle, controlling side, high-end position makes it be introduced in the reserved opening of target location, is slowly filled in the reserved opening of another side the low side position of girder simultaneously;
Step 6, the second time lifting of secondary beam: untie being temporarily fixed at the interim fixing of the secondary beam of first support steel beam, adjust hoist engine and hang position, be promoted to secondary beam girder position by the method for improving of secondary beam in step 4, and fix with bolt temporarily;
Step 7, the installation of attachment frame: place secondary beam position by having lifted to the attachment frame in target location and fix with mounted secondary beam temporarily;
Adjust before step 8, interior climbing tower jacking: the perpendicularity of climbing tower in checking, adjust the relative position of attachment frame, secondary beam, girder and tower body;
Step 9, whole support steel beam fixed-type: bolt is fixing connects attachment frame, secondary beam and girder, and is welded and fixed with the steel plate built-in fitting in the reserved opening of target location the end of girder;
Step 10, the jacking of interior climbing tower: after girder steel to be supported has promoted, check integrated connection, confirm no problem after can carry out the jacking of interior creeping formwork;
Step 11, climbing formwork for construction are to high-order: creeping formwork is the most upwards constructed, until its upper mounting plate is close but are less than slew gear position, i.e. high-order;
Step 12, carrying out the lifting of next round: repeat step 4 to step 11, what circulation was supported girder steel has enough to meet the need installation certainly.
Wherein, in the step 2 of described Construction in Preparatory Stage, the fixing means of hoist engine is for be welded and fixed its bottom surface and hydraulic platform, and its both sides carry out drawknot by steel wire rope with both sides body of wall respectively and are connected simultaneously.Hoist engine horizontal direction uses pull bar or steel wire rope and vertical wall connecting of constructing, and rope guiding is hung support steel beam suspension centre by assembly pulley by hoist engine.
In the step 3 of described Construction in Preparatory Stage, described assembly pulley includes an angle pulley, a fixed pulley and a movable pulley, and wherein, angle pulley is arranged on hydraulic platform, its objective is the fixed pulley that rope proceeds to be arranged on main landing beam bottom surface;Fixed pulley is fixed on the main platform base of creeping formwork, and rope guides the support steel beam component hung;Movable pulley is connected with suspension hook, its objective is to reduce the output of hoist engine power.
Described in the step 5 of turnover construction stage, the concrete hanging method of girder is:
(1) suspension hook of two hoist engines is connected to girder on two suspension centres at two;
(2) two hoist engines synchronize to receive rope, and girder slowly lifts 40~60mm so that it is departing from steel plate built-in fitting, now, the two ends of girder are also in reserved opening;
(3) arranging the small-sized hoisting aids instrument such as chain block of auxiliary at the earth anchor of side, utilizing it is 400~about 500mm to a side-lining girder, hauling distance, makes girder one end depart from reserved opening;
(4) two hoist engines coordinate slowly receives rope, and its middle-size and small-size hoisting aids instrument side hoist engine is received Suo Sudu and is slightly slower than opposite side hoist engine, makes girder tilted upward, and angle of inclination is gradually increased, and gradually adjusts girder angle to 30 °~about 40 °;
(5) lengthen the rope of small-sized hoisting aids instrument, and along with the increasing of girder gradient, the other end of girder also departs from reserved opening scope, disconnects chain block and connects, and girder enters lifting state;
(6) hoist engine is coordinated to receive rope, makes girder keep tilting slowly and rises, reaches target location absolute altitude to girder higher end;
(7) utilize the steel wire rope that Core Walls Structure drawknot in advance is good that one small-sized hoisting aids instrument is respectively installed in the both sides of target location, be up in the reserved opening that target location is drawn in girder one end of target location absolute altitude;
(8) coordinating receipts two hoist engines of rope, draw simultaneously, small-sized hoisting aids instrument coordinates, and makes the girder other end progressively move to the horizontal absolute altitude of reserved opening;
(9) utilize opposite side small-sized hoisting aids instrument to adjust in place by the girder other end, during two ends chain blocks coordinate folding and unfolding;
(10) Integral levelling of girder, now, the lifting of girder completes.
It is further preferred that the small-sized hoisting aids instrument in described step 6 and when step 8 middle girder lifts can be chain block, electric block or small-sized electric hoist engine.
Additionally, in described step (2), whole lift during two hoist engines synchronize to carry out, it is to avoid two rope lengths have big difference and cause girder to collide.
In described step (4), whole during small-sized hoisting aids instrument be in holding force state, hoist engine receive every time rope distance no more than 100mm.
Preferably, it is provided with diagonal brace between bottom surface and the Core Walls Structure body of wall of described main platform.In hoist engine deadweight and main landing beam, the vertical work load such as the pulley of setting, suspension centre is transferred to vertical wall body construction by main landing beam, and can arrange davit is connected with main landing beam, and arranges diagonal brace under hydraulic platform residing for hoist engine, is fixed on and constructs on wall.
Compared with prior art, the present invention's it is a technical advantage that:
1, the present invention is by arranging a pair hoist engine on hydraulic platform, and coordinate assembly pulley, by nethermost turnover support steel beam decompose after, by each component successively on carry to target location carry out assemble install, as new first holding force support steel beam, second support steel beam originally then becomes new turnover support steel beam, realizing the entirety of support steel beam to climb construction, hanging device is simple, and operating flexibility is high, cost is extremely low, and safety is secure;
2, without large-scale tower crane system, in hoisting process, interior climbing tower can normally work, and low cost efficiently solves and needs in traditional construction to arrange the problem that a large-scale derrick crane is supported the lifting construction of girder steel, efficiency is low, cost is high specially;
3, without setting reserved lifting hole on platform or setting up security protection, increase the use space of climb formwork platform, save manpower and materials.
Accompanying drawing explanation
Fig. 1 is the overall system structure schematic diagram of construction method of the present invention;
Fig. 2 is the fixed structure schematic diagram of hoist engine 6;
Fig. 3 is the system integrality schematic diagram during lifting of support steel beam girder;
Fig. 4-1 to 4-6 is the order hoisting process schematic diagram of the girder of support steel beam.
Reference: the main platform of 1-upper mounting plate, 2-, 3-hydraulic platform, 4-hang platform, 5-support steel beam, 51-first support steel beam, 52-second support steel beam, 53-the 3rd road support steel beam, 6-hoist engine, 7-assembly pulley, 71-angle pulley, 72-fixed pulley, 73-movable pulley, 8-rope, 9-chain block, 10-reserved opening, 11-diagonal brace, 12-body of wall, 13-earth anchor, 14-tower body.
Detailed description of the invention
Below by case history, and combine accompanying drawing, the technical scheme of invention is further described in detail.
The highly near 256m of the present embodiment engineering construction, in using Super High construction technology, its Core Walls Structure, certain pit shaft is approximate rectangular, cylinder dead size is about 9400 × 8550mm, by Design of Construction Organization requirement, need within it arrange Core Walls Structure creeping formwork and interior climbing tower, to meet construction task requirement.Interior climbing tower is centrally arranged, it it is a boom-type tower crane, maximum luffing 50m, end lift heavy 10t(mono-multiplying power), tower-body standard section sectional dimension is 2.59 × 2.59m, twice support steel beam 5 need to provide the vertical 2500KN(total), level is to 880KN(first support steel beam 51), 670KN(second support steel beam 52) counter-force, between support steel beam, beam is away from not less than 15m.
Support steel beam 5 in the present embodiment is designed by specialized factory, three road altogether, and engineering specification layer its clamped height is set to 4.3 × 4=17.2m.Per pass support steel beam is constituted in groined type by twice girder and twice secondary beam are crossing, and bolt connects.Girder is fish belly shape box-girder, overall length 10300mm, end cross-sectional size 600mm wide by 400, high, single member gross weight 9.644t;Girder stretches in the reserved opening 10 of concrete wall 12, and welds with steel plate built-in fitting in hole.Secondary beam single member gross weight 3.827t, it arranges attachment frame, and girder, secondary beam are connected by bolt with attachment frame.The sectional dimension of the reserved opening 10 of body of wall 12 is wide by 900, high 1200, and particular location is by interior climbing tower technology requirement, and wherein index bed stays by four layers and sets, and meets its clamped height requirement.
Core Walls Structure creeping formwork is designed by specialized factory, climbing tower installation site in placed in the middle reserving, and more than main landing beam each platform stays and sets 3000 × 3000mm hole, and i.e. every Bian Geliu sets 150mm space in order to the tower crane amplitude of oscillation;Its lower hydraulic platform, hang platform and stay and set 4600 × 4600mm hole, in order to hoist engine lifting operation;Each platform hole is all in returning horse corridor form, and this main landing beam carries creeping formwork deadweight, construction operation and certainly has enough to meet the need support steel beam overall process load.
Such as Fig. 1 and Fig. 2, hoist engine 5 is arranged on creeping formwork hydraulic platform, and rated load 100KN, is arranged symmetrically with, elevator by two altogether, and 6 deadweight 3.2t, every sets 150m length, diameter 32mm steel wire rope;Elevator support is located on hydraulic platform, arranges diagonal brace 11 under it, to guarantee monolithic stability at this.Girder uses two hoist engines 6 to lift, and secondary beam is lifted by a hoist engine.During lifting, every hoist engine arranges three groups of pulleys altogether, and wherein, angle pulley is arranged on hydraulic platform, its objective is to proceed to rope be arranged at the fixed pulley lifting on beam;Fixed pulley is fixed on the main landing beam of creeping formwork, is guided by rope and is hung support steel beam;Movable pulley is connected with suspension hook, its objective is to reduce the output of hoist engine power, and fixing end is also fixed on main landing beam.For offsetting hoist engine horizontal drag drag, arranging pull bar at hoist engine rope stretching reverse position, pull bar welds with the built-in fitting executing the setting of concrete wall.
Before enforcement, creeping formwork has risen to a high position: creeping formwork upper mounting plate, under interior climbing tower slew gear position, can not the most up climb, and now interior climbing tower can be with 360 ° of operatings.
The inventive method includes Construction in Preparatory Stage and from turnover construction stage two parts,
Wherein, Construction in Preparatory Stage comprises the following steps:
Step one, platform are cleared up: include that the cleaning of climbing form system platform and material prepare, as it is shown in figure 1, described climbing form system platform includes upper mounting plate 1, main platform 2, hydraulic platform 3 from top to bottom and hangs platform 4;The fixing means of hoist engine 6 is for be welded and fixed its bottom surface and hydraulic platform 3, and its both sides are carried out drawknot with both sides body of wall 12 be connected by steel wire rope respectively simultaneously.Hoist engine 6 horizontal direction uses pull bar or steel wire rope to be connected with vertical body of wall 12 of constructing, and rope 8 is guided by assembly pulley 7 and hung support steel beam suspension centre by hoist engine 6;
Step 2, installation wire rope hoist: fixing a hoist engine 6 as it is shown in figure 1, be respectively mounted on the hydraulic platform 3 of Core Walls Structure both sides, and arrange rope 8, hoist engine 6 promotes with creeping formwork and climbs;
Step 3, supporting assembly pulley 7 is installed: such as Fig. 2, realized the connection of hoist engine rope and turnover support steel beam component by assembly pulley 7.Described assembly pulley 7 includes 71, fixed pulley 72 of an angle pulley and a movable pulley 73, and wherein, angle pulley 71 is arranged on hydraulic platform, its objective is the fixed pulley that rope proceeds to be arranged on main landing beam bottom surface;Fixed pulley 72 is fixed on the main platform base of creeping formwork, and rope guides the support steel beam component hung;Movable pulley 73 is connected with suspension hook, its objective is to reduce the output of hoist engine power;
Step 4, interior climbing tower are installed: interior climbing tower has been installed and run through each platform of creeping formwork, and its lower support steel beam has been installed and put in place and provide load for interior climbing tower;
Comprise the following steps from the turnover construction stage:
Step one, determine target location: determine the target location of support steel beam 5 according to interior climbing tower its clamped height, it is ensured that beam is away from meeting mechanical requirements;And creeping formwork supports on the superiors' support steel beam at interior climbing tower all the time during whole, and interior climbing tower rotary position;
Step 2, decomposition orlop are used as the support steel beam i.e. support steel beam of third layer of turnover: first unloaded by the attachment frame on support steel beam, then take the mode of carbon arc air gouging to remove the girder bearing welding ends of position to be hoisted for orlop, finally release the connection of girder and secondary beam;Support steel beam should be by specialty unit structure design, and support steel beam 5 need to determine through original design unit's checking computations in the size and reinforcement measure executing concrete shear force wall reserved opening;
Step 3, the lifting of attachment frame: as it is shown on figure 3, carry to target location with assisting small-sized service hoisting instrument to pull on attachment frame, and fix temporarily;Described small-sized hoisting aids instrument can be chain block 9, electric block or small-sized electric hoist engine;
Step 4, the first time lifting of secondary beam: utilize hoist engine to promote secondary beam, operation hoist engine low grade promotes, deflection angle sequentially passes through former first support steel beam 51, the girder of first support steel beam 52 position, and take on the girder being placed on first support steel beam 51 position, fix with girder with steel wire rope temporarily;The position of the hanger on support steel beam component should determine according to hoist engine, creeping formwork, interior climbing tower, support steel beam relation, and hanger and connection thereof should design through Structure Calculation through specialized factory;
Step 5, the lifting of girder: promote girder with two hoist engines, girder one end is raised by lifting process and makes its tilted upward certain angle, controlling side, high-end position makes it be introduced in the reserved opening of target location, slowly filling in the reserved opening of another side by the low side position of girder, the concrete hanging method of girder is simultaneously:
(1) suspension hook of two hoist engines is connected to girder on two suspension centres at two;
(2) as shown in Fig. 4-1, two hoist engines synchronize to receive rope, and girder slowly lifts 40~60mm, making it depart from steel plate built-in fitting, now, the two ends of girder are also in reserved opening, whole lift during two hoist engines synchronize to carry out, it is to avoid two rope lengths have big difference and cause girder to collide;
(3) such as Fig. 4-2, arranging chain block 9 at side earth anchor 13, utilizing it is 400~about 500mm to a side-lining girder, hauling distance, makes girder one end depart from reserved opening;
(4) such as Fig. 4-3, two hoist engines coordinate slowly receives rope, wherein chain block 9 side hoist engine is received Suo Sudu and is slightly slower than opposite side hoist engine, make girder tilted upward, and angle of inclination is gradually increased, gradually adjust girder angle to 30 °~about 40 °, whole during chain block be in holding force state, hoist engine receive every time rope distance no more than 100mm;
(5) such as Fig. 4-4, lengthen chain block 9, and along with the increasing of girder gradient, the other end of girder also departs from reserved opening scope, disconnects chain block and connects, and girder enters lifting state;
(6) hoist engine is coordinated to receive rope, makes girder keep tilting slowly and rises, reaches target location absolute altitude to girder higher end;
(7) such as Fig. 4-5, utilize the steel wire rope that Core Walls Structure drawknot in advance is good, in the both sides of target location, one chain block 9 is respectively installed, be up in the reserved opening that target location is drawn in girder one end of target location absolute altitude;
(8) coordinating receipts two hoist engines 6 of rope, draw simultaneously, chain block 9 coordinates, and makes the girder other end progressively move to the horizontal absolute altitude of reserved opening;
(9) such as Fig. 4-6, utilize opposite side chain block 9 by the girder other end adjust in place, during two ends chain block 9 coordinate folding and unfolding;
(10) Integral levelling of girder, now, the lifting of girder completes;
Step 6, the second time lifting of secondary beam: untie being temporarily fixed at the interim fixing of the secondary beam of first support steel beam, adjust hoist engine and hang position, be promoted to secondary beam target location by the method for improving of step 5 middle girder, and fix temporarily;
Step 7, the installation of attachment frame: place secondary beam position by having lifted to the attachment frame in target location and fix with mounted secondary beam temporarily;
Adjust before step 8, interior climbing tower jacking: climbing tower perpendicularity in checking, adjust attachment frame, secondary beam, girder with tower body relative to position;
Step 9, whole support steel beam fixed-type: fixing connect attachment frame, secondary beam and girder, and the end of girder be welded and fixed with the steel plate built-in fitting in the reserved opening of target location;
Step 10, the jacking of interior climbing tower: after girder steel to be supported has promoted, check integrated connection, confirm no problem after can carry out the jacking of interior creeping formwork;In the last stage of climbing, creeping formwork has risen to maximum height, and its extreme lower position is hung at the bottom of platform with the distance >=beam of first support steel beam away from+2m, and wherein the safe distance of 2m comprises: the 1. unilateral oblique angle height loading support steel beam;2. hoist engine lifting buffer distance;
Step 11, climbing formwork for construction are to high-order: creeping formwork is the most upwards constructed, until its upper mounting plate is close but are less than slew gear position, i.e. high-order;
Step 12, carrying out the lifting of next round: repeat step 4 to step 11, what circulation was supported girder steel has enough to meet the need installation certainly;
Additionally, interior climbing tower jacking uses hydraulic jack, it is positioned at second support steel beam position at serviceability limit stage, is both needed to turnover every time.The present invention can arrange oil cylinder hanging basket, arranges oil cylinder position and operative position in basket, meets oil cylinder turnover and personnel's jacking operational requirements.Oil cylinder hanging basket is attached on support steel beam, before lifting operation, is hoisted to second support steel beam position with hoist engine.

Claims (10)

1. in hydraulic climbing die block system, climbing tower support steel beam has enough to meet the need a construction system, certainly including main hoist system and secondary lift system, it is characterised in that: described main hoist system includes hoist engine (6) and supporting assembly pulley (7);Described hoist engine (6) is two, is respectively and fixedly installed on the hydraulic platform (3) of Core Walls Structure both sides;Described assembly pulley (7) includes an angle pulley (71), a fixed pulley (72) and a movable pulley (73), and wherein, angle pulley (71) is arranged on hydraulic platform;Fixed pulley (72) is fixed on creeping formwork main landing beam bottom surface;Movable pulley (73) is connected with suspension hook;Described secondary lift system is to be arranged on earth anchor (13), tower body (14) or body of wall (12) to have gone up auxiliary drawknot or the small-sized hoisting aids instrument of enhanced feature.
In in a kind of hydraulic climbing die block system the most according to claim 1, climbing tower support steel beam has enough to meet the need construction system certainly, it is characterised in that: described small-sized hoisting aids instrument is chain block (9), electric block or small-sized electric hoist engine.
3. the week rotating construction method certainly of climbing tower support steel beam in a hydraulic climbing die block system, utilize constructing from turnover construction system described in claim 1, support steel beam (5) is by attachment frame, secondary beam and girder composition, it is provided with three roads the most altogether, wherein first support steel beam (51) and second support steel beam (52) are holding force support steel beam, bottom 3rd road support steel beam (53) is turnover support steel beam, along with climbing of hydraulic climbing die block system, to carry to target location as new first holding force support steel beam on nethermost turnover support steel beam, second support steel beam originally then becomes new turnover support steel beam, and so forth, realize the entirety of support steel beam (5) to climb construction, it is characterized in that, including Construction in Preparatory Stage with from turnover construction stage two parts;
Wherein, Construction in Preparatory Stage comprises the following steps:
Step one, platform are cleared up: including that the cleaning of climbing form system platform and material prepare, described climbing form system platform includes upper mounting plate (1), main platform (2), hydraulic platform (3) from top to bottom and hangs platform (4);
Step 2, installation wire rope hoist (6): be respectively mounted on the hydraulic platform (3) of Core Walls Structure both sides and fix a hoist engine (6), and arrange rope;
Step 3, supporting assembly pulley (7) is installed: realized the connection of hoist engine rope and turnover support steel beam component by assembly pulley;
Step 4, interior climbing tower are installed: interior climbing tower has been installed and run through each platform of creeping formwork, and its lower support steel beam has been installed and put in place and provide load for interior climbing tower;
Comprise the following steps from the turnover construction stage:
Step one, determine turnover target location: determine support steel beam position according to interior climbing tower its clamped height, so that it is determined that the target location that carries on turnover support steel beam;
Step 2, decompose undermost turnover support steel beam: first unloaded by the attachment frame on support steel beam, then girder is disconnected with the soldered of the steel plate built-in fitting of the reserved opening (10) of both sides body of wall (12) and separating, finally release the connection of girder and secondary beam;
Step 3, the lifting of attachment frame: pull with small-sized hoisting aids instrument and carry to target location on attachment frame, and fix temporarily;
Step 4, the first time lifting of secondary beam: promote secondary beam with hoist engine (6), taken and be placed on former first support steel beam (51), fix with first support steel beam (51) with steel wire rope temporarily;
Step 5, the lifting of girder: with two hoist engine (6) lifting girders simultaneously, during lifting, girder one end is raised and make its tilted upward certain angle, controlling side, high-end position makes it be introduced in the reserved opening of target location, is slowly filled in the reserved opening of another side the low side position of girder simultaneously;
Step 6, the second time lifting of secondary beam: will be temporarily fixed at the interim fixing of the secondary beam of first support steel beam (51) and untie, adjustment hoist engine hangs position, be promoted to secondary beam girder position by the method for improving of secondary beam in step 4, and fix with bolt temporarily;
Step 7, the installation of attachment frame: place secondary beam position by having lifted to the attachment frame in target location and fix with mounted secondary beam temporarily;
Adjust before step 8, interior climbing tower jacking: the perpendicularity of climbing tower in checking, adjust the relative position of attachment frame, secondary beam, girder and tower body (14);
Step 9, whole support steel beam fixed-type: bolt is fixing connects attachment frame, secondary beam and girder, and is welded and fixed with the steel plate built-in fitting in the reserved opening of target location the end of girder;
Step 10, the jacking of interior climbing tower: after girder steel to be supported has promoted, check integrated connection, confirm no problem after can carry out the jacking of interior creeping formwork;
Step 11, climbing formwork for construction are to high-order: creeping formwork is the most upwards constructed, until its upper mounting plate is close but are less than slew gear position, i.e. high-order;
Step 12, carrying out the lifting of next round: repeat from the step 4 of turnover construction stage to step 11, what circulation was supported girder steel has enough to meet the need installation certainly.
Certainly the week rotating construction method of climbing tower support steel beam in a kind of hydraulic climbing die block system the most according to claim 3, it is characterized in that, in the step 2 of described Construction in Preparatory Stage, the fixing means of hoist engine (6) is for be welded and fixed its bottom surface and hydraulic platform, and its both sides are carried out drawknot with both sides body of wall (12) be connected by steel wire rope respectively simultaneously.
Certainly the week rotating construction method of climbing tower support steel beam in a kind of hydraulic climbing die block system the most according to claim 3, it is characterized in that, in the step 3 of described Construction in Preparatory Stage, described assembly pulley (7) includes an angle pulley (71), a fixed pulley (72) and a movable pulley (73), wherein, angle pulley (71) is arranged on hydraulic platform, its objective is the fixed pulley that rope proceeds to be arranged on main landing beam bottom surface;Fixed pulley (72) is fixed on creeping formwork main landing beam bottom surface, and rope (8) guides the support steel beam component hung;Movable pulley (73) is connected with suspension hook, its objective is to reduce the output of hoist engine power.
Certainly the week rotating construction method of climbing tower support steel beam in a kind of hydraulic climbing die block system the most according to claim 3, it is characterised in that described in the step 5 of turnover construction stage, the concrete hanging method of girder is:
Step (1), the suspension hook of two hoist engines (6) is connected to girder on two suspension centres at two;
Step (2), two hoist engines (6) synchronize to receive rope, girder slowly lift 40~60mm so that it is departing from steel plate built-in fitting, now, the two ends of girder are also in reserved opening;
Step (3), arrange at side earth anchor (13) place auxiliary small-sized hoisting aids instrument, utilizing it is 400~500mm to a side-lining girder, hauling distance, make girder one end depart from reserved opening;
Step (4), two hoist engines (6) coordinate slowly receives rope, and its middle-size and small-size hoisting aids instrument side hoist engine is received Suo Sudu and is slightly slower than opposite side hoist engine, makes girder tilted upward, and angle of inclination is gradually increased, and gradually adjusts girder angle to 30 °~40 °;
Step (5), lengthen small-sized hoisting aids instrument rope yarn, and along with the increasing of girder gradient, the other end of girder also departs from reserved opening scope, disconnects chain block and connects, and girder enters lifting state;
Step (6), hoist engine are coordinated to receive rope, make girder keep tilting slowly and rise, reach target location absolute altitude to girder higher end;
Step (7), utilize the steel wire rope that Core Walls Structure drawknot in advance is good that one small-sized hoisting aids instrument is respectively installed in the both sides of target location, be up in the reserved opening that target location is drawn in girder one end of target location absolute altitude;
Two hoist engines (6) of rope are received in step (8), cooperation, draw simultaneously, and small-sized hoisting aids instrument coordinates, and make the girder other end progressively move to the horizontal absolute altitude of reserved opening;
Step (9), utilize opposite side small-sized hoisting aids instrument to adjust in place by the girder other end, during two ends small-sized hoisting aids instruments coordinate folding and unfolding;
Step (10), the Integral levelling of girder, now, the lifting of girder completes.
Certainly the week rotating construction method of climbing tower support steel beam in a kind of hydraulic climbing die block system the most according to claim 3, it is characterized in that: described in the step 3 of turnover construction stage, described small-sized hoisting aids instrument is chain block (9), electric block or small-sized electric hoist engine.
Certainly the week rotating construction method of climbing tower support steel beam in hydraulic climbing die block system the most according to claim 6, it is characterized in that: in described step (2), whole lift during two hoist engines synchronize to carry out, it is to avoid two rope lengths have big difference and cause girder to collide.
Certainly the week rotating construction method of climbing tower support steel beam in hydraulic climbing die block system the most according to claim 6, it is characterized in that: in described step (4), during whole, small-sized hoisting aids instrument is in holding force state, and rope distance no more than 100mm received by hoist engine every time.
Certainly the week rotating construction method of climbing tower support steel beam in a kind of hydraulic climbing die block system the most according to claim 3, it is characterised in that: it is provided with diagonal brace (11) between bottom surface and the Core Walls Structure body of wall of described main platform (2).
CN201410847087.6A 2014-12-31 2014-12-31 Certainly turnover construction system and the method for climbing tower support steel beam in hydraulic climbing die block system Expired - Fee Related CN104652807B (en)

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