CN104179121B - A kind of mobile mould frame support bracket four promotes from assembling method - Google Patents
A kind of mobile mould frame support bracket four promotes from assembling method Download PDFInfo
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- CN104179121B CN104179121B CN201410363971.2A CN201410363971A CN104179121B CN 104179121 B CN104179121 B CN 104179121B CN 201410363971 A CN201410363971 A CN 201410363971A CN 104179121 B CN104179121 B CN 104179121B
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Abstract
A kind of mobile mould frame support bracket four promotes and belongs to large bridge construction field from assembling method.When bridge pier structure is constructed, pre-buried in advance steel pipe supporting leg is set, supporting leg is fixed simple lifting hoisting equipment, and reserved seizing wire and safety rope; By reserved seizing wire and safety rope, install and use building hanging basket, realizing constructor and the upper and lower Dun Ding of small-sized accessory; To be encorbelmented system by hanging basket and pier top shaped steel, promote and whip-and-derry is installed; Promoted and installation bracket installing rack loose mail by whip-and-derry, at Dun Ding, it is assembled shaping; By bracket installing rack and hoisting system Integral lifting bracket.By four lift technique measures, overcome the construction technology difficult problem that job site cannot adopt the direct installation bracket of large-scale crane hoisting equipment, simple to operate, material, equipment investment are few, and safety guarantee is improved.The present invention is under the prerequisite that ensure that construction safety, quality, and engineering entirety shortens the duration of 18%, saves the construction cost of about 30%.
Description
Technical field
The present invention relates to a kind of mobile mould frame support bracket four to promote from assembling method.
Background technology
In Large bridge deck-molding pier cast-in-situ box girder MSS method work progress, first need to carry out the installation at high altitude construction of bracket, all adopt large-scale crane hoisting equipment to carry out the direct lifting of high-altitude bracket assembled in the past.In actual applications, there is larger potential safety hazard in large-scale bracket upper air installing assembling construction, costly, security risk is large, many by landform restrictive condition for its mechanical facility.
For reducing security risk and saving construction technology cost (large-scale crane, road process, equipment and materials expense can be saved), and solve the restriction of bridge location by bridge pier height, periphery landform, ambient conditions, be difficult to adopt large-scale crane hoisting equipment to carry out high-altitude bracket and directly lift assembled problem, reduce costs for accelerating construction progress and reduce security risk, and forming a kind of brand-new mobile mould frame support bracket four and promote from assembling method.
Summary of the invention
For solving the installation at high altitude constructing technology problem of mobile mould frame support bracket, improving safety guarantee, saving construction cost, have employed bracket four and promote from assembling technique.
Bridge superstructure cast-in-situ box girder MSS method construction by cross, first needs to carry out the installation at high altitude construction of bracket, by the restriction of bridge pier height, periphery landform, ambient conditions, is difficult to adopt large-scale crane hoisting equipment to carry out the direct lifting of high-altitude bracket assembled.The know-why that mobile mould frame support bracket four promotes is: when bridge pier structure construct, pre-buriedly in advance arranges steel pipe supporting leg, and supporting leg is fixed compact simplified lifting hoisting equipment, and reserves seizing wire and safety rope; By reserved seizing wire and safety rope, install and use building hanging basket, realizing constructor and the upper and lower Dun Ding of small-sized accessory (first order lifting); To be encorbelmented system by hanging basket and pier top shaped steel, promote and whip-and-derry (second level lifting) is installed; Promoted and installation bracket installing rack loose mail, at Dun Ding by its assembled shaping (third level lifting) by whip-and-derry; By bracket installing rack and hoisting system Integral lifting bracket (fourth stage lifting).Like this by four lift technique measures, overcome the construction technology difficult problem that job site cannot adopt the direct installation bracket of large-scale crane hoisting equipment, have employed the know-why of construction of breaking the whole up into parts, simple to operate, material, equipment investment are few, and safety guarantee is improved.Namely define this bracket four by above four measures for improvement to promote from assembling method.
For realizing the high-altitude installation requirement of mobile mould frame support bracket smoothly, guarantee the safety work requirement of bracket upper air installing, take Dun Ding reserve wire rope and safety rope, installation and use building hanging basket, whip-and-derry be installed, four the promoting from assembling method of installation bracket installing rack, Integral lifting bracket combination one;
Mobile mould frame support bracket four promotes the construction technology from assembling method, it is characterized in that: take Dun Ding reserve wire rope and safety rope, installation and use building hanging basket, whip-and-derry be installed, four the promoting from assembling method of installation bracket installing rack, Integral lifting bracket combination one;
It is characterized in that:
Described bridge pier pier top embedded steel tube supporting leg, reserved seizing wire and safety rope device;
Described installation also uses building hanging basket device;
Described installation whip-and-derry device;
Described installation bracket installing rack device;
Described Integral lifting bracket system.
Description process operations step is:
First, when carrying out bridge pier structure construction, pre-buried in advance steel pipe supporting leg being set, supporting leg is fixed compact simplified lifting hoisting equipment, and reserved seizing wire and safety rope;
Further, by reserved seizing wire and safety rope, install and use building hanging basket, realizing constructor and the upper and lower Dun Ding of small-sized accessory (first order lifting);
Further, to be encorbelmented system by hanging basket and pier top shaped steel, promote and whip-and-derry (second level lifting) is installed;
Further, promoted and installation bracket installing rack loose mail, at Dun Ding by its assembled shaping (third level lifting) by whip-and-derry;
Further, by bracket installing rack and hoisting system Integral lifting bracket (fourth stage lifting).
Described a kind of mobile mould frame support bracket four promotes the construction technology from assembling method, it is characterized in that: described mobile mould frame support bracket four promote from assembled be reserve wire rope and safety rope by have employed Dun Ding, install and use building hanging basket, whip-and-derry is installed, installation bracket installing rack, four of Integral lifting bracket combination one promotes from assembling method, save the input of large-scale special crane hoisting equipment, bracket upper air installing is constructed reliably safer, improve safety factor, reduce construction cost, operation is simple, be easy to controlled, decrease a large amount of temporary structure facility simultaneously, the input of material.
Utilize mobile mould frame support bracket four of the present invention to promote from assembling process, tool has the following advantages:
One, save large-scale crane equipment, Road Site disposal cost, by the safety technics principle broken the whole up into parts, make installation work more simple, improve safety factor, reduce security risk, decrease the input amount of the auxiliary steel structure material of lifting, and make complicated procedures of forming have more simplification.
Two, pier top embedded steel tube and wire rope device is added.
Three, pier top whip-and-derry device is added.
Four, pier jacking frame installing rack and Integral lifting hoisting system device is added.
Five, entirety accelerates the construction speed of 18%.
Six, the construction cost of about 30% is reduced.
Accompanying drawing explanation
Fig. 1. the first order promotes: install and use building hanging basket, realizing personnel and the upper and lower Dun Ding of small-sized accessory
Fig. 2. the second level promotes: promote and install whip-and-derry (dimensional units: mm)
Fig. 3. the third level promotes (elevation): promoted and installation bracket installing rack loose mail, at Dun Ding by its assembled shaping (dimensional units: mm) by whip-and-derry
Fig. 4. the third level promotes (side view): promoted and installation bracket installing rack loose mail, at Dun Ding by its assembled shaping (dimensional units: mm) by whip-and-derry
Fig. 5. the fourth stage promotes: bracket Integral lifting is in place, by bracket installing rack and hoisting system Integral lifting bracket
(dimensional units: mm)
In figure 1.---building hanging basket device, 2.---whip-and-derry device, 3.---bracket installing rack device.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing:
As shown in Figure 1, mobile mould frame support bracket four of the present invention promotes the construction technology from assembling method, and Specific construction flow process step sequence is:
The first step: first when carrying out bridge pier structure construction, pre-buried in advance steel pipe supporting leg being set, supporting leg is fixed compact simplified lifting hoisting equipment, and reserved seizing wire and safety rope;
Second step: by reserved seizing wire and safety rope, installs and uses building hanging basket, realizes constructor and the upper and lower Dun Ding of small-sized accessory (first order lifting);
3rd step: to be encorbelmented system by hanging basket and pier top shaped steel, promote and install whip-and-derry (second level lifting);
4th step: promoted and installation bracket installing rack loose mail, at Dun Ding by its assembled shaping (third level lifting) by whip-and-derry;
5th step: by bracket installing rack and hoisting system Integral lifting bracket (fourth stage lifting).
Concrete but be not limited to following examples:
Described bridge pier pier top embedded steel tube supporting leg, reserved seizing wire and safety rope device, it is characterized in that: when bridge pier structure is constructed, pre-buried in advance steel pipe supporting leg (steel pipe specification is φ 630 × 8mm) is set, supporting leg is fixed compact simplified lifting hoisting equipment (heavy loads 0.5T), and reserved seizing wire and safety rope (wire rope and safety rope specification are φ 10mm).
Described installation also uses building hanging basket device, it is characterized in that: by reserved seizing wire and safety rope, installs and uses building hanging basket (ZLP630 type), realizing constructor and the upper and lower Dun Ding of small-sized accessory.
Described installation whip-and-derry device, is characterized in that: to be encorbelmented system by hanging basket and pier top shaped steel, promote and install whip-and-derry.
Described installation bracket installing rack device, it is characterized in that: promoted and installation bracket installing rack loose mail by whip-and-derry, at Dun Ding, by it, assembled shaping (bracket installing rack gross mass 30.98T is (containing hoist engine, do not comprise balancing weight), it bears maximum lifting load is 120T).
Described Integral lifting bracket system, is characterized in that: by bracket installing rack and hoisting system Integral lifting bracket (single bracket gross mass is 45T).
Construction technology process:
Mobile mould frame support bracket four promotes from the construction technology process of the assembling method course of work by the bracket of its every installation bridge pier, and whole process is as a standard operation cyclic design.Construction technology process is as follows:
1, Bridge Pier Construction burying work beforehand:
When carrying out bridge pier structure construction, pre-buried in advance steel pipe supporting leg being set, supporting leg is fixed compact simplified lifting hoisting equipment, and reserved seizing wire and safety rope;
2, building hanging basket and less important work are installed:
By reserved seizing wire and safety rope, install and use building hanging basket, realizing constructor and the upper and lower Dun Ding of small-sized accessory (first order lifting);
3, pier top whip-and-derry is installed
To be encorbelmented system by hanging basket and pier top shaped steel, promote and whip-and-derry (second level lifting) is installed;
4, assembled pier jacking frame installing rack:
Promoted and installation bracket installing rack loose mail, at Dun Ding by its assembled shaping (third level lifting) by whip-and-derry;
5, bracket erection & lift:
By bracket installing rack and hoisting system Integral lifting bracket (fourth stage lifting).
Use a kind of mobile mould frame support bracket four of the present invention to promote from assembling method, notice that the assembled quality of bracket installing rack and core carry experiment work, in bracket hoisting process, avoid unbalance loading, asymmetry as far as possible, to guarantee the safety in bracket hoisting process.
A kind of mobile mould frame support bracket four of above the present invention promotes from assembling method, be applicable to mobile mould frame support bracket lifting construction, be widely used, promotion prospect is good, be specially adapted to the bracket lifting under alpine terrain, the design of high pier, narrow field environment, unfavorable lifting operation condition, can significantly reduce Hoisting Security risk, save construction cost.
Claims (5)
1. mobile mould frame support bracket four promotes an assembling method, it is characterized in that: when bridge pier structure is constructed, and pre-buriedly in advance arranges steel pipe supporting leg, and supporting leg is fixed simple lifting hoisting equipment, and reserved seizing wire and safety rope; By reserved wire rope and safety rope, install and use building hanging basket, realizing constructor and the upper and lower Dun Ding of small-sized accessory, this is that the first order promotes; To be encorbelmented system by hanging basket and pier top shaped steel, promote and install whip-and-derry, this is that the second level promotes; Promoted and installation bracket installing rack loose mail by whip-and-derry, at Dun Ding, it is assembled shaping, this is third level lifting; By bracket installing rack and hoisting system Integral lifting bracket, this is that the fourth stage promotes.
2. a kind of mobile mould frame support bracket four promotes assembling method according to claim 1, it is characterized in that: when bridge pier structure is constructed, the pre-buried steel pipe specification arranging steel pipe supporting leg is φ 630 × 8mm in advance, it is 0.5T that supporting leg is fixed compact simplified lifting hoisting equipment heavy loads, and wire rope and safety rope specification are φ 10mm.
3. a kind of mobile mould frame support bracket four promotes assembling method according to claim 1, it is characterized in that: hanging basket is ZLP630 type.
4. a kind of mobile mould frame support bracket four promotes assembling method according to claim 1, it is characterized in that: bracket installing rack gross mass 30.98T, and wherein bracket installing rack gross mass is containing hoist engine, and do not comprise balancing weight, it bears maximum lifting load is 120T.
5. a kind of mobile mould frame support bracket four promotes assembling method according to claim 1, it is characterized in that: single bracket gross mass is 45T.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410363971.2A CN104179121B (en) | 2014-07-28 | 2014-07-28 | A kind of mobile mould frame support bracket four promotes from assembling method |
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| CN201410363971.2A CN104179121B (en) | 2014-07-28 | 2014-07-28 | A kind of mobile mould frame support bracket four promotes from assembling method |
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| CN104179121A CN104179121A (en) | 2014-12-03 |
| CN104179121B true CN104179121B (en) | 2016-01-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105133501B (en) * | 2015-09-11 | 2016-08-31 | 中交路桥华东工程有限公司 | A kind of high pier construction method utilizing Integral hoisting bracket |
| CN105821773B (en) * | 2016-05-23 | 2017-08-11 | 中交第一公路工程局有限公司 | The electronic penetrating device of Precast T-Beam hogging moment steel strand wires |
| CN106522100B (en) * | 2016-11-13 | 2018-04-06 | 中交路桥建设有限公司 | A kind of large-scale bracket separate type for high pier construction is removed and hanging method |
| CN106958200B (en) * | 2017-04-19 | 2019-02-01 | 中国葛洲坝集团第三工程有限公司 | A kind of small across footpath plate-beam construction platform structure and its application method |
| CN108002244B (en) * | 2017-11-30 | 2020-06-16 | 中国一冶集团有限公司 | Hoisting system and method for high pier column steel bar formwork |
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| CN102493353A (en) * | 2011-12-23 | 2012-06-13 | 中铁大桥局股份有限公司 | Method for hoisting large equipment in bridge construction and pier top lifting frame |
| CN103266567A (en) * | 2013-04-28 | 2013-08-28 | 中国五冶集团有限公司 | Steel truss cantilever support and implementation method thereof |
| CN203530851U (en) * | 2013-10-16 | 2014-04-09 | 中国十七冶集团有限公司 | Basket device for combined basket working vehicle |
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2014
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11117521A (en) * | 1997-10-09 | 1999-04-27 | Ohbayashi Corp | Suspended scaffold |
| JP2005155160A (en) * | 2003-11-26 | 2005-06-16 | Ishikawajima Harima Heavy Ind Co Ltd | Bridge girder temporary supporting pedestal device and construction bent making use thereof |
| CN101408020A (en) * | 2008-11-13 | 2009-04-15 | 中铁十局集团有限公司 | Integral lifting rack of movable mould frame and method for hanging movable mould frame thereof |
| CN102493353A (en) * | 2011-12-23 | 2012-06-13 | 中铁大桥局股份有限公司 | Method for hoisting large equipment in bridge construction and pier top lifting frame |
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| CN104179121A (en) | 2014-12-03 |
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Granted publication date: 20160120 Termination date: 20190728 |