CN104060842A - Overall industrial plant steel roof inversion lifting construction method - Google Patents
Overall industrial plant steel roof inversion lifting construction method Download PDFInfo
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- CN104060842A CN104060842A CN201410321788.6A CN201410321788A CN104060842A CN 104060842 A CN104060842 A CN 104060842A CN 201410321788 A CN201410321788 A CN 201410321788A CN 104060842 A CN104060842 A CN 104060842A
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Abstract
The invention discloses an overall industrial plant steel roof inversion lifting construction method. The method includes the following steps of step 1, lifting preparation, wherein lifting units are divided, column (1) cutting-off position selection is conducted based on the principle that the number of columns is less than or equal to 50% in the same plane, and support device design and production are conducted, step 2, lifting device installation, wherein a column (1) is lifted under the action of the bearing force of a lifting frame (2), the height of the lifting frame (2) is determined according to one added column section, and one stroke is lifted to the proper position and then the next stroke can conducted in a replacement mode, step 3, lifting control system setting, step 4, column cutting off, step 5, lifting, wherein after the upper portion column (1) is lifted synchronously to a certain height, and the prefabricated column segments are conveyed into the intercolumnar gaps in the side direction, and step 6, disassembly, wherein the step 5 is executed repeatedly, the multi-segment column sections are lifted to the designed height, and the auxiliary facilities can be disassembled. The overall industrial plant steel roof inversion lifting construction method has the advantages of being large in lifting height, wide in area coverage, good in stability, high in safety, and high in operability.
Description
Technical field
The invention belongs to building installation Technology field, specifically relate to a kind of industrial premises steel house cap integral fliping lifting construction method.
Background technology
Industrial premises in use, due to the improvement of production technology, need to be increased factory building, to meet the requirement of Installation of New Type equipment; Or former factory building is changed and used it for anything else, need to there is higher locus; Or factory building is added to layer increase usable floor area etc.For meeting higher space requirement, take to tear down and reconstruct more and build, cause stop work and production, and the construction time is longer, reconstruction expense is higher, and construction period and building waste also have a certain impact to surrounding environment.Framed bent formula steel work is mainly used in single-storey factory building, by roof truss, pillar and basis, form transverse plane framed bent, be the main bearing system of factory building, then by longitudinal members such as roof panel, crane girder, supports, plane framed bent be tied to integrant space structures.In prior art, the lifting of framed bent formula steel work industrial premises, is mainly that factory building lid is promoted, rather than by the lifting of column, Integral lifting roofing, hoisting depth is little, lifting region is little, and generally can not produce in correct situation again and carry out, long in time limit.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming and provide that a kind of hoisting depth is large, regional extent is large, and good stability, safe, workable industrial premises steel house cap integral fliping lifting construction method.
A kind of industrial premises steel house cap integral fliping lifting construction method of the present invention, comprises the steps:
Step 1 promotes to be prepared: structure inspection; Lift unit is divided; Pillar off-position is selected, and it is principle that the same plane of take is no more than 50% pillar quantity; Designing and producing of bracing or strutting arrangement;
Step 2 installation lifting appliance: pillar promotes and utilizes hoisting frame load, hoisting frame height determines that pressing post of spreading saves, replaceable next stroke after an Overstroke of realization lifting; In hoisting frame bottom, set up operating platform, pillar place of incision keeps 500-600mm to hoisting frame bottom, to facilitate personnel to operate; Lifting appliance is fixed on hoisting frame;
Step 3 Lifting Control System arranges: guarantee that each lifting appliance can link together, realize Synchronous lifting and control; Hoisting depth indicating device is set;
Step 4 pillar cuts off: before cutting off, check, cut off, cleaning;
Step 5 promotes: Synchronous lifting top pillar, after certain altitude, is sent into prefabricated post joint at intercolumniation neutral gear place from side direction, and with the top pillar firm welding of cutting off, increase at every turn and be controlled at 1.8-2.2m; Post joint and hoisting frame reinforcement by connection by raising, form whole; Bracing or strutting arrangement between pillar is installed;
Step 5 is removed: on the post joint newly increasing, change hanger position, repeating step five, increases multistage post joint to the design height promoting, and removes the supporting facility such as lifting appliance, hoisting frame.
Above-mentioned industrial premises steel house cap integral fliping lifting construction method, wherein: in described step 1, to structure inspection, and consolidation process.
Above-mentioned industrial premises steel house cap integral fliping lifting construction method, wherein: in described step 1, lift unit is divided according to post network arrangements, industrial premises length, roof truss load and field construction condition and determined, and take deformation joint as boundary.
Above-mentioned industrial premises steel house cap integral fliping lifting construction method, wherein: in described step 2, described hoisting frame is hood type guiding hoisting frame, comprise supporting seat, column, crossbeam, bearing diagonal, four root posts and twice crossbeam are embraced pillar, and twice crossbeam is positioned at top and the waist of hoisting frame and keeps 3-4mm gap with pillar; Between column, stay one side to enter pillar, other three adopt bridging to reinforce; Bearing diagonal is connected between the column and operating platform of hoisting frame.
Above-mentioned industrial premises steel house cap integral fliping lifting construction method, wherein: in described step 2, described lifting appliance is motor-driven chain hoist lifting appliance, is loaded in hoisting frame top cross beam, and its jack suspension hook hang on the fixing hanger of pillar cut-off part.
Above-mentioned industrial premises steel house cap integral fliping lifting construction method, wherein: in described step 5, whether while rising to 500-1000mm, stop it is normal to observe at every turn.
Above-mentioned industrial premises steel house cap integral fliping lifting construction method, wherein: in described step 5, gusset is strengthened in the welding of coupled columns joint, strengthens processing.
The present invention compares with prior art, there is obvious beneficial effect, from above scheme, lifting appliance is installed: pillar promotes and utilizes hoisting frame load, hoisting frame height determines that pressing post of spreading saves, replaceable next stroke after an Overstroke of realization lifting; In hoisting frame bottom, set up operating platform.On each post joint of framed bent formula factory building, fabrication and installation hood type guiding hoisting frame, its underpart and factory building columns joint connect welded together, as the supporting of fliping lifting, safe.Pillar cuts off, Synchronous lifting top pillar is after certain altitude, at intercolumniation neutral gear place, from side direction, send into prefabricated post joint, and with the top pillar firm welding of cutting off, lifting again, assembly welding post joint, repeated multiple times, until factory building is promoted to design height, make factory building Integral lifting stability strong, operability is good.In a word, steel structural plant roof entire system promotes increases, can under the normal condition of production, carry out, stopping production and relocation equipment have been avoided, thereby save investment, reduction of erection time, reduces environment pollution, and hoisting depth is large, lifting region scope is large, good stability, safe, workable.
Below, by the specific embodiment, further illustrate beneficial effect of the present invention.
Accompanying drawing explanation
Fig. 1 is construction flow chart of the present invention;
Fig. 2 is lifting schematic diagram of the present invention.
Mark in figure:
1, pillar; 2, hoisting frame; 3, crossbeam; 4, column, 5, bearing diagonal; 6, supporting seat; 7, operating platform; 8, hanger; 9, lifting appliance.
The specific embodiment
embodiment 1
Participate in Fig. 1, a kind of industrial premises steel house cap integral fliping lifting construction method of the present invention, comprises the steps:
Step 1 promotes to be prepared: structure inspection, pillar 1 grade is made to consolidation process; Lift unit is divided according to post network arrangements, factory building length, roof truss load and field construction condition and is determined, and preferably take deformation joint as boundary; Pillar 1 off-position is selected, and take same plane 40% pillar quantity as cutting off principle; Designing and producing of bracing or strutting arrangement;
Step 2 installation lifting appliance: pillar 1 promotes and utilizes hoisting frame 2 loads, hoisting frame 2 highly determines that pressing post of spreading saves, replaceable next stroke after an Overstroke of realization lifting; In hoisting frame 2 bottoms, set up operating platform 7, pillar 1 place of incision keeps 500mm to hoisting frame 2 bottoms, to facilitate personnel to operate; Lifting appliance is fixed on hoisting frame;
Hoisting frame 2, for hood type guiding hoisting frame, comprises crossbeam 3, column 4, bearing diagonal 5, and 6, four of supporting seats are vertical, 4 and twice crossbeam 3 pillar 1 is embraced, twice crossbeam is positioned at top and the waist of hoisting frame 2 and keeps 3mm gap with pillar 1; Between column 4, stay one side to enter pillar 1, other three adopt bridging to reinforce; Bearing diagonal 5 is connected between the column 4 and operating platform 7 of hoisting frame 2;
Lifting appliance 9 is motor-driven chain hoist lifting appliance, is loaded in hoisting frame 2 top cross beam 3, and its jack suspension hook hang on the fixing hanger 8 of pillar 1 cut-off part;
Step 3 Lifting Control System arranges: guarantee that each lifting appliance 9 can link together, realize Synchronous lifting and control; Hoisting depth indicating device is set;
Step 4 pillar cuts off: before cutting off, check, cut off, cleaning;
Step 5 promotes: Synchronous lifting top pillar 1 is after certain altitude, and whether the observation of stopping while at every turn rising to 500mm, have sinking, distortion situation, and whether hoisting depth is consistent, after confirmation is normal, could continue to raise; At intercolumniation neutral gear place, from side direction, send into prefabricated post joint, and with top pillar 1 firm welding of cutting off, and the welding of coupled columns joint strengthens gusset, strengthens processing, increases at every turn and is controlled at 1.8m; Post joint and hoisting frame 2 reinforcement by connection by raising, form whole; Bracing or strutting arrangement between pillar is installed;
Step 5 is removed: on the post joint newly increasing, change hanger 8 positions, repeating step five, increases multistage post joint to the design height promoting, and removes the supporting facility such as hoisting frame 2, lifting appliance 9.
embodiment 2
Participate in Fig. 1, a kind of industrial premises steel house cap integral fliping lifting construction method of the present invention, comprises the steps:
Step 1 promotes to be prepared: structure inspection, pillar 1 grade is made to consolidation process; Lift unit is divided according to post network arrangements, factory building length, roof truss load and field construction condition and is determined, and preferably take deformation joint as boundary; Pillar 1 off-position is selected, and take same plane 45% pillar quantity as cutting off principle; Designing and producing of bracing or strutting arrangement;
Step 2 installation lifting appliance: pillar 1 promotes and utilizes hoisting frame 2 loads, hoisting frame 2 highly determines that pressing post of spreading saves, replaceable next stroke after an Overstroke of realization lifting; In hoisting frame 2 bottoms, set up operating platform 7, pillar 1 place of incision keeps 550mm to hoisting frame 2 bottoms, to facilitate personnel to operate; Lifting appliance is fixed on hoisting frame;
Hoisting frame 2, for hood type guiding hoisting frame, comprises crossbeam 3, column 4, bearing diagonal 5, and 6, four of supporting seats are vertical, 4 and twice crossbeam 3 pillar 1 is embraced, twice crossbeam is positioned at top and the waist of hoisting frame 2 and keeps 3.5mm gap with pillar 1; Between column 4, stay one side to enter pillar 1, other three adopt bridging to reinforce; Bearing diagonal 5 is connected between the column 4 and operating platform 7 of hoisting frame 2;
Lifting appliance 9 is motor-driven chain hoist lifting appliance, is loaded in hoisting frame 2 top cross beam 3, and its jack suspension hook hang on the fixing hanger 8 of pillar 1 cut-off part;
Step 3 Lifting Control System arranges: guarantee that each lifting appliance 9 can link together, realize Synchronous lifting and control; Hoisting depth indicating device is set;
Step 4 pillar cuts off: before cutting off, check, cut off, cleaning;
Step 5 promotes: Synchronous lifting top pillar 1 is after certain altitude, and whether the observation of stopping while at every turn rising to 800mm, have sinking, distortion situation, and whether hoisting depth is consistent, after confirmation is normal, could continue to raise; At intercolumniation neutral gear place, from side direction, send into prefabricated post joint, and with top pillar 1 firm welding of cutting off, and the welding of coupled columns joint strengthens gusset, strengthens processing, increases at every turn and is controlled at 2m; Post joint and hoisting frame 2 reinforcement by connection by raising, form whole; Bracing or strutting arrangement between pillar is installed;
Step 5 is removed: on the post joint newly increasing, change hanger 8 positions, repeating step five, increases multistage post joint to the design height promoting, and removes the supporting facility such as hoisting frame 2, lifting appliance 9.
embodiment 3
Participate in Fig. 1, a kind of industrial premises steel house cap integral fliping lifting construction method of the present invention, comprises the steps:
Step 1 promotes to be prepared: structure inspection, pillar 1 grade is made to consolidation process; Lift unit is divided according to post network arrangements, factory building length, roof truss load and field construction condition and is determined, and preferably take deformation joint as boundary; Pillar 1 off-position is selected, and take same plane 50% pillar quantity as cutting off principle; Designing and producing of bracing or strutting arrangement;
Step 2 installation lifting appliance: pillar 1 promotes and utilizes hoisting frame 2 loads, hoisting frame 2 highly determines that pressing post of spreading saves, replaceable next stroke after an Overstroke of realization lifting; In hoisting frame 2 bottoms, set up operating platform 7, pillar 1 place of incision keeps 600mm to hoisting frame 2 bottoms, to facilitate personnel to operate; Lifting appliance is fixed on hoisting frame;
Hoisting frame 2, for hood type guiding hoisting frame, comprises crossbeam 3, column 4, bearing diagonal 5, and 6, four of supporting seats are vertical, 4 and twice crossbeam 3 pillar 1 is embraced, twice crossbeam is positioned at top and the waist of hoisting frame 2 and keeps 4mm gap with pillar 1; Between column 4, stay one side to enter pillar 1, other three adopt bridging to reinforce; Bearing diagonal 5 is connected between the column 4 and operating platform 7 of hoisting frame 2;
Lifting appliance 9 is motor-driven chain hoist lifting appliance, is loaded in hoisting frame 2 top cross beam 3, and its jack suspension hook hang on the fixing hanger 8 of pillar 1 cut-off part;
Step 3 Lifting Control System arranges: guarantee that each lifting appliance 9 can link together, realize Synchronous lifting and control; Hoisting depth indicating device is set;
Step 4 pillar cuts off: before cutting off, check, cut off, cleaning;
Step 5 promotes: Synchronous lifting top pillar 1 is after certain altitude, and whether the observation of stopping while at every turn rising to 1000mm, have sinking, distortion situation, and whether hoisting depth is consistent, after confirmation is normal, could continue to raise; At intercolumniation neutral gear place, from side direction, send into prefabricated post joint, and with top pillar 1 firm welding of cutting off, and the welding of coupled columns joint strengthens gusset, strengthens processing, increases at every turn and is controlled at 2.2m; Post joint and hoisting frame 2 reinforcement by connection by raising, form whole; Bracing or strutting arrangement between pillar is installed;
Step 5 is removed: on the post joint newly increasing, change hanger 8 positions, repeating step five, increases multistage post joint to the design height promoting, and removes the supporting facility such as hoisting frame 2, lifting appliance 9.
The construction of employing the inventive method, has all obtained comparatively significant effect from aspect contrasts such as cost, personnel's inputs.Table 1 and table 2 are for implementing the investment cost of the inventive method and the light steel industrial premises of newly-built individual layer:
Expense comparison:
(1) reduce expenses: ten thousand yuan of 234.9-121=113.9
(2) rate of cost reduction: (1-113.9/234.9) * 100%=52%
Carry out duration comparison
(1) duration shifts to an earlier date number of days: (150-60)=90 calendar day
(2) duration rate in advance: (1-60/150) * 100%=60%
The top of tearing open by table 1 and table 2 rebuilds the comparison of constructing with this engineering method, according to same scope of construction item, and this engineering method construction cost reduced rate 52%, the duration shortens 60%, and effect is fairly obvious.Meanwhile, due to the construction that do not stop production, proprietor produces normally and carries out, and the social benefit of bringing is considerable; Avoided removing and producing a large amount of building wastes, contaminated environment because of factory building.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any technical solution of the present invention content that do not depart from, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all still belong in the scope of technical solution of the present invention.
Claims (7)
1. an industrial premises steel house cap integral fliping lifting construction method, comprises the steps:
Step 1 promotes to be prepared: structure inspection; Lift unit is divided; Pillar (1) off-position is selected, and it is principle that the same plane of take is no more than 50% pillar quantity; Designing and producing of bracing or strutting arrangement;
Step 2 installation lifting appliance: pillar (1) promotes and utilizes hoisting frame (2) load, hoisting frame (2) highly determines that pressing post of spreading saves, replaceable next stroke after an Overstroke of realization lifting; In hoisting frame (2) bottom, set up operating platform (7), pillar (1) place of incision keeps 500-600mm to hoisting frame (2) bottom, to facilitate personnel to operate; Lifting appliance (9) is fixed on hoisting frame (2);
Step 3 Lifting Control System arranges: guarantee that each lifting appliance (9) can link together, realize Synchronous lifting and control; Hoisting depth indicating device is set;
Step 4 pillar cuts off: before cutting off, check, cut off, cleaning;
Step 5 promotes: Synchronous lifting top pillar (1), after certain altitude, is sent into prefabricated post joint at intercolumniation neutral gear place from side direction, and with top pillar (1) firm welding of cutting off, increase at every turn and be controlled at 1.8-2.2m; Post joint and hoisting frame (2) reinforcement by connection by raising, form whole; Bracing or strutting arrangement between pillar (1) is installed;
Step 5 is removed: on the post joint newly increasing, change hanger (8) position, repeating step five, increases multistage post joint to the design height promoting, and removes the supporting facility such as hoisting frame (2), lifting appliance (9).
2. industrial premises steel house cap integral fliping lifting construction method as claimed in claim 1, is characterized in that: in described step 1, and to structure inspection, and consolidation process.
3. industrial premises steel house cap integral fliping lifting construction method as claimed in claim 1 or 2, it is characterized in that: in described step 1, lift unit is divided according to post network arrangements, industrial premises length, roof truss load and field construction condition and is determined, and take deformation joint as boundary.
4. industrial premises steel house cap integral fliping lifting construction method as claimed in claim 1, it is characterized in that: in described step 2, described hoisting frame (2) is hood type guiding hoisting frame, comprise crossbeam (3), column (4), bearing diagonal (5), supporting seat (6), four root posts (4) and twice crossbeam (3) are embraced pillar (1), and twice crossbeam (3) is positioned at top and the waist of hoisting frame (2) and keeps 3-4mm gap with pillar (1); Between column (4), stay one side to enter pillar, other three adopt bridging to reinforce; Bearing diagonal (5) is connected between the column and operating platform (7) of hoisting frame (2).
5. the industrial premises steel house cap integral fliping lifting construction method as described in claim 1 or 4, it is characterized in that: in described step 2, described lifting appliance (9) is motor-driven chain hoist lifting appliance, be loaded on hoisting frame (2) top cross beam (3) upper, its jack suspension hook hang on the fixing hanger (8) of pillar (1) cut-off part.
6. industrial premises steel house cap integral fliping lifting construction method as claimed in claim 1, is characterized in that: in described step 5, whether while rising to 500-1000mm, stop it is normal to observe at every turn.
7. the industrial premises steel house cap integral fliping lifting construction method as described in claim 1 or 6, is characterized in that: in described step 5, gusset is strengthened in the welding of coupled columns joint, strengthens processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321788.6A CN104060842B (en) | 2014-07-08 | 2014-07-08 | The overall fliping lifting construction method of a kind of industrial premises steel worm-gearing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410321788.6A CN104060842B (en) | 2014-07-08 | 2014-07-08 | The overall fliping lifting construction method of a kind of industrial premises steel worm-gearing |
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| CN104060842A true CN104060842A (en) | 2014-09-24 |
| CN104060842B CN104060842B (en) | 2016-02-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863259A (en) * | 2015-05-06 | 2015-08-26 | 浙江中南建设集团钢结构有限公司 | Upside-down construction method for large-span ultra-high signal-layer cylindrical architectural steel structure |
| CN107724727A (en) * | 2017-11-16 | 2018-02-23 | 中冶京诚工程技术有限公司 | Steel construction factory building structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251974A (en) * | 1979-04-25 | 1981-02-24 | Peter M. Vanderklaauw | Sensing and control apparatus for lifting heavy construction elements |
| CN1314534A (en) * | 2001-04-30 | 2001-09-26 | 贵阳铝镁设计研究院 | Integrated raising method for self-supporting house roof and its equipment |
| CN101852019A (en) * | 2010-06-11 | 2010-10-06 | 北京市机械施工有限公司 | Lifting mounting method for inclined steel roof |
| CN103334592A (en) * | 2013-06-25 | 2013-10-02 | 北京首钢建设集团有限公司 | Step-type sliding installation construction method for convex structure of high-rise building |
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2014
- 2014-07-08 CN CN201410321788.6A patent/CN104060842B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251974A (en) * | 1979-04-25 | 1981-02-24 | Peter M. Vanderklaauw | Sensing and control apparatus for lifting heavy construction elements |
| CN1314534A (en) * | 2001-04-30 | 2001-09-26 | 贵阳铝镁设计研究院 | Integrated raising method for self-supporting house roof and its equipment |
| CN101852019A (en) * | 2010-06-11 | 2010-10-06 | 北京市机械施工有限公司 | Lifting mounting method for inclined steel roof |
| CN103334592A (en) * | 2013-06-25 | 2013-10-02 | 北京首钢建设集团有限公司 | Step-type sliding installation construction method for convex structure of high-rise building |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863259A (en) * | 2015-05-06 | 2015-08-26 | 浙江中南建设集团钢结构有限公司 | Upside-down construction method for large-span ultra-high signal-layer cylindrical architectural steel structure |
| CN104863259B (en) * | 2015-05-06 | 2017-04-19 | 浙江中南建设集团钢结构有限公司 | Upside-down construction method for large-span ultra-high signal-layer cylindrical architectural steel structure |
| CN107724727A (en) * | 2017-11-16 | 2018-02-23 | 中冶京诚工程技术有限公司 | Steel construction factory building structure |
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| CN104060842B (en) | 2016-02-24 |
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