CN102912854A - Construction method for integrally jacking and slipping net frame - Google Patents
Construction method for integrally jacking and slipping net frame Download PDFInfo
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- CN102912854A CN102912854A CN2012104471207A CN201210447120A CN102912854A CN 102912854 A CN102912854 A CN 102912854A CN 2012104471207 A CN2012104471207 A CN 2012104471207A CN 201210447120 A CN201210447120 A CN 201210447120A CN 102912854 A CN102912854 A CN 102912854A
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- 238000010276 construction Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 41
- 239000010959 steel Substances 0.000 claims description 41
- 238000009434 installation Methods 0.000 claims description 12
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Abstract
The invention discloses a construction method for integrally jacking and slipping a net frame, which comprises the following steps: firstly, net frame integral jacking: after the net frame is spliced on the ground, a plurality of jacking devices are uniformly placed in the net frame, each jacking device includes a jacking rack progressively heightened and a jacking-up hydraulic jack, and the jacking-up hydraulic jacks push the net frame to a predetermined height through the jacking racks progressively heightened; secondly, net frame integral slipping: the jacking-up hydraulic jacks are horizontally pushed by a screw jack to enable the net frame to slip to an assigned position; and thirdly, net frame mounting completion: the jacking-up hydraulic jacks fall, and the net frame falls to a structural chapiter, and then all the jacking devices and the slipping devices are dismantled. The method has the advantages that the construction speed is high, the quality control is excellent, measure investment is little, the jacking and slipping are performed continuously, the construction period is shortened, the cost is reduced, and the method is particularly suitable for large-area net frames.
Description
Technical field
The present invention relates to the job practices that a kind of rack is installed, particularly relate to the job practices that a kind of rack integral jacking slippage is installed.
Background technology
At present, general space truss structure more adopts the loose mounting means of piecing together in high-altitude, or single jacking or single high-altitude slippage, and above-mentioned mounting means all exists the installation measure cost large, the shortcoming that installation period is long.Especially large-area rack is installed, and above-mentioned shortcoming is particularly outstanding.
Summary of the invention
The present invention provides the job practices of a kind of rack integral jacking slippage for solving the technical problem that exists in the known technology, rack adopts the method construction, construction fast and flexible, measure less investment.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: the job practices of a kind of rack integral jacking slippage may further comprise the steps:
One) rack integral jacking;
Rack is evenly arranged some cover lift-up device in rack after installation on ground is finished; Every cover lift-up device includes a jacking frame and hydraulic jack is lifted on a top, and jacking frame comprises a bolt sphere quadrangular pyramid and a plurality of bolt sphere lattice column standard knot that connects successively from top to bottom, and bolt sphere quadrangular pyramid apical grafting is below the steel ball of rack;
The top that hydraulic jack is lifted on the top is provided with top act cap, the top is lifted cap and is connected with bolt sphere lattice column standard knot below being positioned at by four linking arms that are distributed on around it, linking arm comprises upper arm and the underarm that is hinged, it is hinged that cap is lifted on the upper end of upper arm and top, the lower end of underarm be positioned at the lower hinge of the bolt sphere lattice column standard knot of below;
The top is lifted hydraulic jack and is installed on the base, and pony sill is on the many round steel vertical with the rack glide direction, and round steel is laid on the steel platform, and the steel platform is laid on the compacting levelling bed course;
The job practices of rack integral jacking method and lift-up device:
1) first with ground rammed earth levelling, spread rubble, again compacting forms compacting levelling bed course; Place the steel platform at compacting levelling bed course, on the upper plane of steel platform, put many round steel along the rack glide direction, pedestal for placed on round steel, at base the top is installed and lifts hydraulic jack, lift the column cap of hydraulic jack on the top act cap in top is installed, the top is lifted cap with four linking arms and put off the lower hinge of first bolt sphere lattice column standard knot on base, and a bolt sphere quadrangular pyramid is arranged at the top of first bolt sphere lattice column standard knot;
2) start the top and lift hydraulic jack, make its top hold journey greater than the height of a bolt sphere lattice column standard knot, at this moment, between first bolt sphere lattice column standard knot and steel platform, form the space that can hold a bolt sphere lattice column standard knot;
3) connect second bolt sphere lattice column standard knot in first bolt sphere lattice column standard knot lower end, then, making the top lift hydraulic jack falls after rise, second bolt sphere lattice column standard knot put off on base, unclamp being connected of linking arm and first bolt sphere lattice column standard knot, linking arm is connected to the top lifts between the bottom of cap and second bolt sphere lattice column standard knot;
4) repeat above-mentioned steps 2)～3), and make rack reach predetermined altitude, at this moment, the construction of jacking frame and lift-up device is all finished, and is positioned at that the bolt sphere lattice column standard knot of below is in vacant state, and the top is lifted hydraulic jack and is in the top state;
Two) rack integral slipping;
Glide direction rear at base arranges the baffle plate that is fixed on the steel platform, the pushing tow direction jackscrew consistent with the rack glide direction is set between baffle plate and base, start jackscrew, under the synergy of round steel, rack is slid onto assigned address;
Three) make the top lift hydraulic jack and fall after rise, the rack dropping place to the structure column cap, is made to be positioned at that the bolt sphere lattice column standard knot of below puts off on base, then remove all lift-up device and slide device, finish the rack installation work.
In described step 1) 3) in, first bolt sphere lattice column standard knot be connected a bolt sphere lattice column standard knot and be connected with bolt by conehead.
Advantage and good effect that the present invention has are: 1) jacking frame can break the whole up into parts, and transportation is installed simple flexibly; 2) according to the area weight of rack, can select neatly the quantity of Jacking point and position to finish jacking slippage work, it is more flexible to construct.3) act hydraulic jack in top can be distributed to thrust on the jacking frame equably by linking arm, and jacking frame is stressed evenly, in whole work progress, and space truss structure and jacking frame good stability; 4) lift-up device and slide device organically are combined into one gasifying device can be saved measure, reduction of erection time, remarkable in economical benefits simultaneously.
In sum, loose spell shape becomes rack whole on ground by adopting in the present invention, and then integral jacking slippage method in place is finished the installation work of rack, speed of application is fast, and quality control is good, the measure less investment, and jacking and slippage link up and carry out, and can save the duration, reduce cost.To large tracts of land rack particularly suitable.
Description of drawings
Fig. 1 is the structural representation of the hydraulic jacking device that adopts of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structural representation of the slide device that adopts of the present invention.
Among the figure: 1, steel platform, 2, round steel, 3, jackscrew, 4, base, 5, the top lifts hydraulic jack, 6, cap is lifted on the top, and 7, linking arm, 8, otic placode, 9, bolt sphere lattice column standard knot, 10, bolt sphere quadrangular pyramid, 11, earth surface, 12, macadam, 13, baffle plate.
The specific embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
See also Fig. 1～Fig. 3, the job practices of a kind of rack integral jacking slippage may further comprise the steps: may further comprise the steps:
One) rack integral jacking
Rack is evenly arranged some cover lift-up device in rack after installation on ground is finished; Every cover lift-up device includes a jacking frame and hydraulic jack 5 is lifted on a top, and jacking frame comprises a bolt sphere quadrangular pyramid 10 and a plurality of bolt sphere lattice column standard knot 9 that connects successively from top to bottom, bolt sphere quadrangular pyramid 10 apical graftings below the steel ball of rack,
The top that hydraulic jack 5 is lifted on the top is provided with top act cap 6, the top is lifted cap 6 and is connected with bolt sphere lattice column standard knot 9 below being positioned at by four linking arms 7 that are distributed on around it, linking arm 7 comprises upper arm and the underarm that is hinged, it is hinged that cap 6 is lifted on the upper end of upper arm and top, the lower end of underarm be positioned at the lower hinge of the bolt sphere lattice column standard knot 9 of below;
The top is lifted hydraulic jack 5 and is installed on the base 4, and round steel is laid on the steel platform 14 of bases on the many round steel vertical with the rack glide direction 2, and steel platform 1 is laid on the compacting levelling bed course;
The job practices of rack integral jacking method and lift-up device:
1) first with earth surface 11 compacting levellings, spread rubble, again compacting forms macadam 12, and macadam 12 and earth surface 11 form compacting levelling bed course; Place steel platform 1 at macadam 12, place many round steel 2 on the upper plane of steel platform 1, round steel 2 plays the slippage roller bearing, and the placing direction of round steel 2 should be consistent with glide direction; The base 4 of hydraulic jack is lifted on the placement top on round steel 2, at base 4 top is installed and lifts hydraulic jack 5, and mounting means is that high-strength bolt connects; Lift the column cap of hydraulic jack 5 on the top act cap 6 in top is installed, column cap is embedded the top lift in the cap 6; Four linking arms 7 of cap 6 usefulness are lifted on the top to be connected with the bottom that puts off first bolt sphere lattice column standard knot 9 on base 4, otic placode 8 is established in four main vertical rod bottoms at bolt sphere lattice column standard knot 9, linking arm 7 is connected with bolt sphere lattice column standard knot 9 by otic placode 8, connected mode is that pivot pin connects, and is namely hinged; Bolt sphere lattice column standard knot 9 is the bolt sphere structure, is connected with high-strength bolt by conehead between rod member and the ball; Are bolt sphere quadrangular pyramids 10 of finishing in advance connection at the top of first bolt sphere lattice column standard knot 9, bolt sphere quadrangular pyramid 10 tops are provided with tray, and the tray immediate roof is under rack winds up ball.
2) start the top and lift hydraulic jack 5, make its top hold journey greater than the height of a bolt sphere lattice column standard knot 5, at this moment, between first bolt sphere lattice column standard knot 5 and steel platform 1, form the space that can hold a bolt sphere lattice column standard knot;
3) connect second bolt sphere lattice column standard knot 9 in first bolt sphere lattice column standard knot 9 lower ends, then, making the top lift hydraulic jack 5 falls after rise, second bolt sphere lattice column standard knot 9 put off on base 4, unclamp being connected of linking arm 7 and first bolt sphere lattice column standard knot 9, linking arm 7 is connected to the top lifts between the bottom of cap 6 and second bolt sphere lattice column standard knot 9; First adjacent bolt sphere lattice column standard knot 9 be connected a bolt sphere lattice column standard knot 9 and be connected with bolt by conehead.
4) repeat above-mentioned steps 2)～3), and make rack reach predetermined altitude, at this moment, the construction of jacking frame and lift-up device is all finished, and is positioned at that the bolt sphere lattice column standard knot 9 of below is in vacant state, and the top is lifted hydraulic jack 5 and is in the top state;
Two) rack integral slipping;
Glide direction rear at base 4 arranges the baffle plate 13 that is fixed on the steel platform 1, the pushing tow direction jackscrew consistent with the rack glide direction 3 is set between baffle plate 13 and base 4, start jackscrew, under the synergy of round steel 2, rack is slid onto assigned address;
Three) make the top lift hydraulic jack 5 and fall after rise, the rack dropping place to the structure column cap, is made to be positioned at that the bolt sphere lattice column standard knot 9 of below puts off on base 4, then remove all lift-up device and slide device, finish the rack installation work.
Operating principle of the present invention:
Before the rack jack-up construction, hydraulic jack is lifted on the top and all install with first bolt sphere lattice column standard knot of bolt sphere quadrangular pyramid; Beginning is along vertical jacking rack: open oil pump, hydraulic jack ejects the top, drive bolt sphere lattice column standard knot synchronous ascending by linking arm, thereby drive the rack integral lifting, after lifting altitude is greater than a bolt sphere lattice column standard knot length, stop jacking, in bolt sphere lattice column standard knot bottom another bolt sphere lattice column standard knot is installed, after the installation, hydraulic jack falls after rise, linking arm is connected on the bolt sphere lattice column standard knot of rear installation, restarts to hoist, until with the rack integral jacking to predetermined altitude.Then enter the slippage operation, weld baffle plate at the steel platform, before baffle plate, lay jackscrew, jackscrew Level Promoting jack stand drives the bolt sphere lattice column to the assigned direction slippage, until with the rack integral slipping to the given plane position, then hydraulic jack falls after rise, the whole falling of rack is in place, finish the installation of rack, remove lift-up device and slide device.
Although the above is described the preferred embodiments of the present invention by reference to the accompanying drawings; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within protection scope of the present invention.
Claims (2)
1. the job practices of rack integral jacking slippage is characterized in that, may further comprise the steps:
One) rack integral jacking;
Rack is evenly arranged some cover lift-up device in rack after installation on ground is finished; Every cover lift-up device includes a jacking frame and hydraulic jack is lifted on a top, and jacking frame comprises a bolt sphere quadrangular pyramid and a plurality of bolt sphere lattice column standard knot that connects successively from top to bottom, and bolt sphere quadrangular pyramid apical grafting is below the steel ball of rack;
The top that hydraulic jack is lifted on the top is provided with top act cap, the top is lifted cap and is connected with bolt sphere lattice column standard knot below being positioned at by four linking arms that are distributed on around it, linking arm comprises upper arm and the underarm that is hinged, it is hinged that cap is lifted on the upper end of upper arm and top, the lower end of underarm be positioned at the lower hinge of the bolt sphere lattice column standard knot of below;
The top is lifted hydraulic jack and is installed on the base, and pony sill is on the many round steel vertical with the rack glide direction, and round steel is laid on the steel platform, and the steel platform is laid on the compacting levelling bed course;
The job practices of rack integral jacking method and lift-up device:
1) first with ground rammed earth levelling, spread rubble, again compacting forms compacting levelling bed course; Place the steel platform at compacting levelling bed course, on the upper plane of steel platform, put many round steel along the rack glide direction, pedestal for placed on round steel, at base the top is installed and lifts hydraulic jack, lift the column cap of hydraulic jack on the top act cap in top is installed, the top is lifted cap with four linking arms and put off the lower hinge of first bolt sphere lattice column standard knot on base, and a bolt sphere quadrangular pyramid is arranged at the top of first bolt sphere lattice column standard knot;
2) start the top and lift hydraulic jack, make its top hold journey greater than the height of a bolt sphere lattice column standard knot, at this moment, between first bolt sphere lattice column standard knot and steel platform, form the space that can hold a bolt sphere lattice column standard knot;
3) connect second bolt sphere lattice column standard knot in first bolt sphere lattice column standard knot lower end, then, making the top lift hydraulic jack falls after rise, second bolt sphere lattice column standard knot put off on base, unclamp being connected of linking arm and first bolt sphere lattice column standard knot, linking arm is connected to the top lifts between the bottom of cap and second bolt sphere lattice column standard knot;
4) repeat above-mentioned steps 2)～3), and make rack reach predetermined altitude, at this moment, the construction of jacking frame and lift-up device is all finished, and is positioned at that the bolt sphere lattice column standard knot of below is in vacant state, and the top is lifted hydraulic jack and is in the top state;
Two) rack integral slipping;
Glide direction rear at base arranges the baffle plate that is fixed on the steel platform, the pushing tow direction jackscrew consistent with the rack glide direction is set between baffle plate and base, start jackscrew, under the synergy of round steel, rack is slid onto assigned address;
Three) make the top lift hydraulic jack and fall after rise, the rack dropping place to the structure column cap, is made to be positioned at that the bolt sphere lattice column standard knot of below puts off on base, then remove all lift-up device and slide device, finish the rack installation work.
2. the job practices of rack integral jacking according to claim 1 slippage is characterized in that, in described step 1) 3) in, first bolt sphere lattice column standard knot be connected a bolt sphere lattice column standard knot and be connected with bolt by conehead.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210447120.7A CN102912854B (en) | 2012-11-09 | 2012-11-09 | Construction method for integrally jacking and slipping net frame |
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| CN201210447120.7A CN102912854B (en) | 2012-11-09 | 2012-11-09 | Construction method for integrally jacking and slipping net frame |
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| CN102912854B CN102912854B (en) | 2014-08-27 |
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| CN103696494A (en) * | 2013-12-11 | 2014-04-02 | 中冶天工上海十三冶建设有限公司 | Computer control hydraulic synchronous hoisting construction method for complex space truss structure |
| CN104444970A (en) * | 2014-12-15 | 2015-03-25 | 太原重工股份有限公司 | Guide type automatic lifting device |
| CN105220769A (en) * | 2014-06-24 | 2016-01-06 | 中国二十冶集团有限公司 | Large area bolt-ball net frame integral top lifting construction method |
| CN105484361A (en) * | 2015-11-23 | 2016-04-13 | 太原理工大学 | Device and construction method for alternatively jacking hyperbolical closed type steel grid structure step by step |
| CN105971115A (en) * | 2016-06-29 | 2016-09-28 | 西安汾阳钢结构有限公司 | Truss units, jacking formwork, jacking device and jacking and dismantling methods |
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| CN108589928A (en) * | 2018-05-09 | 2018-09-28 | 中建七局安装工程有限公司 | Elements of Space Grid Truss Lifting Equipment |
| CN111636573A (en) * | 2020-06-23 | 2020-09-08 | 中国二十冶集团有限公司 | Construction method for inclination adjustment in external expansion jacking process of net rack |
| CN112225135A (en) * | 2020-10-27 | 2021-01-15 | 长江精工钢结构(集团)股份有限公司 | Hydraulic synchronous jacking support frame |
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| CN112681525A (en) * | 2020-12-14 | 2021-04-20 | 中国建筑第八工程局有限公司 | Jacking and supporting system and method for large-span steel structure |
| CN112681526A (en) * | 2020-12-14 | 2021-04-20 | 中国建筑第八工程局有限公司 | Jacking and installing system and method for large-span steel structure |
| CN115853289A (en) * | 2022-07-29 | 2023-03-28 | 中建八局西南建设工程有限公司 | Balanced jacking of net rack lattice formula support frame and uninstallation device |
| CN116537379A (en) * | 2023-04-20 | 2023-08-04 | 中建八局新型建造工程有限公司 | Construction method of multi-layer net rack capable of jacking and sliding step by step integrally |
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| CN103696494A (en) * | 2013-12-11 | 2014-04-02 | 中冶天工上海十三冶建设有限公司 | Computer control hydraulic synchronous hoisting construction method for complex space truss structure |
| CN105220769B (en) * | 2014-06-24 | 2017-06-30 | 中国二十冶集团有限公司 | Large area bolt-ball net frame integral top lifting construction method |
| CN105220769A (en) * | 2014-06-24 | 2016-01-06 | 中国二十冶集团有限公司 | Large area bolt-ball net frame integral top lifting construction method |
| CN104444970A (en) * | 2014-12-15 | 2015-03-25 | 太原重工股份有限公司 | Guide type automatic lifting device |
| CN105484361A (en) * | 2015-11-23 | 2016-04-13 | 太原理工大学 | Device and construction method for alternatively jacking hyperbolical closed type steel grid structure step by step |
| CN105971115B (en) * | 2016-06-29 | 2018-09-25 | 西安汾阳钢结构有限公司 | Truss element, jacking frame body, jacking apparatus, jacking and method for dismounting |
| CN105971115A (en) * | 2016-06-29 | 2016-09-28 | 西安汾阳钢结构有限公司 | Truss units, jacking formwork, jacking device and jacking and dismantling methods |
| CN106836507A (en) * | 2016-12-22 | 2017-06-13 | 浙江精工钢结构集团有限公司 | A kind of Single Layer Sphere Grids shell structure contrary sequence method accumulation jack-up construction method |
| CN107060348A (en) * | 2017-06-16 | 2017-08-18 | 中国五冶集团有限公司 | A kind of jacking adjusting apparatus for high-altitude wire frame |
| CN107489199A (en) * | 2017-08-31 | 2017-12-19 | 中建七局安装工程有限公司 | Space Reticulated dome expands lifting construction method by ring |
| CN107489199B (en) * | 2017-08-31 | 2019-05-17 | 中建七局安装工程有限公司 | Space Reticulated dome expands jack-up construction method by ring |
| CN108589928A (en) * | 2018-05-09 | 2018-09-28 | 中建七局安装工程有限公司 | Elements of Space Grid Truss Lifting Equipment |
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| CN112225135B (en) * | 2020-10-27 | 2021-11-09 | 长江精工钢结构(集团)股份有限公司 | Hydraulic synchronous jacking support frame |
| CN112359975A (en) * | 2020-11-05 | 2021-02-12 | 中国十九冶集团有限公司 | Installation method for preventing latticed shell from laterally moving |
| CN112359975B (en) * | 2020-11-05 | 2022-04-15 | 中国十九冶集团有限公司 | Installation method for preventing latticed shell from laterally moving |
| CN112681525A (en) * | 2020-12-14 | 2021-04-20 | 中国建筑第八工程局有限公司 | Jacking and supporting system and method for large-span steel structure |
| CN112681526A (en) * | 2020-12-14 | 2021-04-20 | 中国建筑第八工程局有限公司 | Jacking and installing system and method for large-span steel structure |
| CN115853289A (en) * | 2022-07-29 | 2023-03-28 | 中建八局西南建设工程有限公司 | Balanced jacking of net rack lattice formula support frame and uninstallation device |
| CN116537379A (en) * | 2023-04-20 | 2023-08-04 | 中建八局新型建造工程有限公司 | Construction method of multi-layer net rack capable of jacking and sliding step by step integrally |
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| CN102912854B (en) | 2014-08-27 |
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