CN205444935U - Special -shaped steel space frame construction and installation structure of complicated large -span department - Google Patents
Special -shaped steel space frame construction and installation structure of complicated large -span department Download PDFInfo
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- CN205444935U CN205444935U CN201520908692.XU CN201520908692U CN205444935U CN 205444935 U CN205444935 U CN 205444935U CN 201520908692 U CN201520908692 U CN 201520908692U CN 205444935 U CN205444935 U CN 205444935U
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Abstract
The utility model discloses a special -shaped steel space frame construction and installation structure of complicated large -span department, the polylith hoisting frame basis that it was built including the inboard of the gymnasium left and right sides ladder stand that sets up along the symmetry respectively and along the direction interval that is on a parallel with the ladder stand, all install the steel and construct the hoisting frame on every hoisting frame basis, , installs the steel hoisting frame platform on constructing the hoisting frame, install the lifting mechanism on the hoisting frame platform, be connected with steel strand wires at the lifting mechanism lower extreme, the ground installation of the first promotion piecemeal unit between the ladder stand of both sides has interim pylon, at the interim hoist of the bottom of each steel strand wires installation, interim hoist and the unit connection of first promotion piecemeal, the distance at both ends is less than the distance between the inboard of both sides ladder stand about first promotion piecemeal unit, the side frame put up the distance between post and the frame roof beam around the distance at both ends was less than the gymnasium around the first promotion piecemeal unit. Adopt this structure can improve construction speed.
Description
Technical field
This utility model relates to Construction of The Grids structure, particularly relates to a kind of special-shaped reticulated shell installation structure.
Background technology
Complex Different Shape longspan structure Elements of Space Grid Truss is installed, and unit piece is too much, and welding capacity is big, and welding quality and required precision are higher.Site requirements and high-altitude space stiffness buckling safety factor are required higher, it is therefore desirable to select appropriate construction method to carry out installing to ensure security and stability requirement.Additionally complexity arranged by rack bottom building, and on-the-spot large tonnage crane walking is more difficult.Rack installs the coefficient of stability to be guaranteed and space stiffness, can effectively bear non-symmetrical load, load and dynamic load, and have preferable anti-seismic performance.
1, Application No.: the Chinese patent of 2012103910974 discloses " rack hoisting frame discharging method ", comprises the following steps: at the top erection support of each rack support；A plurality of hoisting frames interval is arranged on the top of rack support；By the jack at hoisting frame top, grid structure is promoted to height of support；By rod member connection grid structure and the bearing of the rack cradle top not installing hoisting frame；Connect and between bearing and the grid structure of the rack cradle top installing hoisting frame, preset the rod member that access path is unimpeded；Pulling force according to preset value partial relief jack；Hinder to preset at hoisting frame frame wall and offer through hole at access path；Connect grid structure by through hole and the rack cradle top bearing of hoisting frame is installed；Remove whole pulling force of jack；Excision hoisting frame.This patent disclosed that rack hoisting frame discharging method, different from the construction method position of long-span deformed Elements of Space Grid Truss construction method of installation.
2, Application No.: the Chinese patent of 2012103908419 discloses " for the long control method of flexible hoisting steel wire rope of rack lifting process ", comprise the following steps: set up space coordinates at the construction field (site), measure and obtain the described suspension centre hanger hole hole heart and the space coordinates in the grid node center of circle；Utilize computer according to the described suspension centre hanger hole hole heart and the spatial coordinated information in the grid node center of circle, build the described suspension centre hanger hole hole heart and the spatial model in the described grid node center of circle according to a pre-set zoom ratio；Utilize the described suspension centre hanger hole hole heart and the spatial model in the described grid node center of circle, build the steel wire rope areal model being connected between described suspension centre and described grid node；The length of actually required steel wire rope is obtained according to described steel wire rope areal model.This patent disclosed that the long control method of flexible hoisting steel wire rope of rack lifting process, different from the construction part of long-span deformed Elements of Space Grid Truss construction method of installation.
3, Application No.: the Chinese patent of 2009100563778 discloses " a kind of integral lifting apparatus for steel structure net rack ", including lifting bracket, lift cylinder, lower suspension centre and lifting steel strand wires, described lift cylinder is fixedly installed on lifting bracket, it is characterized in that, described lifting bracket is symmetricly set on concrete capital；Described lower suspension centre is distribution beam, and described distribution beam one end is connected to steel strand wires lower end, and the other end is fixing with the frame ball of rack to be hoisted to be connected；Described lift cylinder, distribution beam and lifting steel strand wires are symmetricly set on the concrete capital left and right sides.By using this utility model lifting device to carry out structure rack lifting, pillar stress form is made to become axial compression, meet rod structure design force request, decrease the lifting process adverse effect to concrete post, the malformation that simultaneously can effectively control at suspension centre in rack lifting process.This patent disclosed that rack lifting device is different from the construction part of long-span deformed Elements of Space Grid Truss construction method of installation.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of prior art, construction cost is low, the duration is short, security and stability is good, space stiffness is big, can effectively bear non-symmetrical load, load and dynamic load to provide one, and has the long-span deformed Elements of Space Grid Truss installation structure of preferable anti-seismic performance.
nullProfile iron rack installation structure at Pressures On Complex Large-span degree of the present utility model，It includes the inner side along symmetrically arranged gymnasium left and right sides ladder grandstand and the polylith hoisting frame basis along interval, the direction construction being parallel to ladder grandstand respectively，Steel structure hoisting frame it is mounted on the basis of the hoisting frame every piece described，Described steel structure hoisting frame is provided with hoisting frame platform,Described hoisting frame platform is provided with lifter，Connect in described lifter lower end and have steel strand wires,The ground of the first lifting blocking unit between two side steps grandstands is provided with temporary towers，Interim suspender is installed in the bottom of each steel strand wires，Described interim suspender and first promotes blocking unit and connects,The distance at the first described lifting two ends, blocking unit left and right is less than the distance between the inner side of two side steps grandstands，The distance of described first lifting blocking unit rear and front end is less than distance between side frame trestle and Vierendeel girder before and after gymnasium.
Using this structure to provide the benefit that: in this structure, unit piece is too much, welding capacity is big, and welding quality and required precision are higher.Rack installs the coefficient of stability to be guaranteed and space stiffness, its rod member crossed in the air is both for stressed member, again for supporting rod member, mutual when working is support, collaborative work, therefore its good integrity, good stability, space stiffness is big, can effectively bear non-symmetrical load, load and dynamic load, and have preferable anti-seismic performance.Meanwhile, under joint load effect, each rod member is primarily subjected to axial pulling force and pressure, can give full play to the intensity of material, saves steel.And grid structure combination is regular, great deal of nodes and the shape of rod member, equivalently-sized, and rod member and node specification less, it is simple to producing, product quality is high, and on-site consolidation is easy, can improve speed of application.Grid structure not only achieves and utilizes the rod member bundle of relatively small dimension to build longspan structure, and structure takes up room less, more can effectively utilize space.
Accompanying drawing explanation
Fig. 1 is the hoisting frame basis schematic top plan view of the profile iron rack installation structure at Pressures On Complex Large-span degree of the present utility model；
Fig. 2 is the first lifting blocking unit 1 rack assembly schematic diagram of the profile iron rack installation structure at Pressures On Complex Large-span degree of the present utility model；
Fig. 3 is the first time grandstand rack assembly schematic diagram of the profile iron rack installation structure at Pressures On Complex Large-span degree of the present utility model；
Fig. 4 is the second time grandstand rack assembly schematic diagram of the profile iron rack installation structure at Pressures On Complex Large-span degree of the present utility model；
Fig. 5 is the third time grandstand rack assembly schematic diagram of the profile iron rack installation structure at Pressures On Complex Large-span degree of the present utility model；
Fig. 6 is last lattice grandstand splicing rack schematic diagram of the profile iron rack installation structure at Pressures On Complex Large-span degree of the present utility model.
Detailed description of the invention
With specific embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
nullProfile iron rack installation structure at Pressures On Complex Large-span degree of the present utility model as shown in drawings，It includes the inner side along symmetrically arranged gymnasium left and right sides ladder grandstand 7 and the polylith hoisting frame basis 12 along interval, the direction construction being parallel to ladder grandstand 7 respectively，Hoisting frame basis 12 every piece described is mounted on steel structure hoisting frame 13，Described steel structure hoisting frame 13 is provided with hoisting frame platform 4,Described hoisting frame platform 4 is provided with lifter 5，Connect in described lifter 5 lower end and have steel strand wires 3,The ground of the first lifting blocking unit 1 between two side steps grandstands 7 is provided with temporary towers 14，Interim suspender 2 is installed in the bottom of each steel strand wires 3，Described interim suspender 2 promotes blocking unit 1 with first and is connected,The distance at the first described lifting blocking unit about 1 two ends is less than the distance between the inner side of two side steps grandstands 7，The distance of described first lifting blocking unit 1 rear and front end is less than distance between side frame trestle and Vierendeel girder before and after gymnasium，So that hanging liter when with two side steps grandstands 7 and gymnasium before and after side frame trestle and Vierendeel girder do not produce interference.
The construction procedure of this structure is as follows:
(1) along the inner side of symmetrically arranged gymnasium left and right sides ladder grandstand 7 and polylith hoisting frame basis 12 is built along the interval, direction being parallel to ladder grandstand 7 respectively, then on the hoisting frame basis 12 every piece described, it is respectively mounted steel structure hoisting frame 13, then hoisting frame platform 4 is installed on described steel structure hoisting frame 13；
(2) lifter 5 is installed on described hoisting frame platform 4, connects steel strand wires 3 in described lifter 5 lower end；
(3) temporary towers 14 is installed on the ground of the first lifting blocking unit 1 between two side steps grandstands 7, the first lifting blocking unit 1 of assembled rack on temporary towers, the distance at the first described lifting blocking unit about 1 two ends is less than the distance between the inner side of two side steps grandstands 7, the distance of described first lifting blocking unit 1 rear and front end is less than distance between side frame trestle and Vierendeel girder before and after gymnasium, in order to hanging liter when with two side steps grandstands 7 and gymnasium before and after side frame trestle and Vierendeel girder do not produce interference；
(4) interim suspender 2 is installed in the bottom of each steel strand wires 3, then described interim suspender 2 is promoted blocking unit 1 with first and be connected；
(5) start whole lifter simultaneously, promote 6.7 meters of distance ground on the first lifting blocking unit 1 to grandstand, then extend splicing the second lifting blocking unit 6 respectively to grandstand side at the first two ends, left and right promoting blocking unit 1；
(6) start whole lifter simultaneously, promote the first lifting blocking unit 1 and expand 8.7 meters of distance ground on the second lifting blocking unit 6 to grandstand of splicing, promote the two ends of blocking unit 6 by second respectively to extending out splicing the 3rd lifting blocking unit 8；
(7) start whole lifter simultaneously, the the second lifting blocking unit the 6, the 3rd promoting the first lifting blocking unit 1 and expand splicing promotes 10.7 meters of distance ground on blocking unit 8 to grandstand, by the two ends of the 3rd lifting blocking unit 8 respectively to extending out splicing the 4th lifting blocking unit 9；
(8) start whole lifter simultaneously, promote blocking unit 1, second by first and promote blocking unit, 6, the 3rd lifting blocking unit 8 and the 4th lifting blocking unit 9 overall increase to four upper 21.9 meters of distance ground, wall frame columns 15 top, promote blocking unit 9 end the 4th respectively and extend out last grid frame 10 of splicing, complete the assembly of the overall rack grandstand side as gymnasium roof；
(9) net rack support is installed on the top at four wall frame columns 15 of gymnasium, is unloaded by assembled good rack and falls on bearing and be welded and fixed.
Claims (1)
- null1. profile iron rack installation structure at Pressures On Complex Large-span degree，It is characterized in that: it includes the inner side along symmetrically arranged gymnasium left and right sides ladder grandstand and the polylith hoisting frame basis along interval, the direction construction being parallel to ladder grandstand respectively，Steel structure hoisting frame it is mounted on the basis of the hoisting frame every piece described，Described steel structure hoisting frame is provided with hoisting frame platform,Described hoisting frame platform is provided with lifter，Connect in described lifter lower end and have steel strand wires,The ground of the first lifting blocking unit between two side steps grandstands is provided with temporary towers，Interim suspender is installed in the bottom of each steel strand wires，Described interim suspender and first promotes blocking unit and connects,The distance at the first described lifting two ends, blocking unit left and right is less than the distance between the inner side of two side steps grandstands，The distance of described first lifting blocking unit rear and front end is less than distance between side frame trestle and Vierendeel girder before and after gymnasium.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520908692.XU CN205444935U (en) | 2015-11-13 | 2015-11-13 | Special -shaped steel space frame construction and installation structure of complicated large -span department |
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| CN201520908692.XU CN205444935U (en) | 2015-11-13 | 2015-11-13 | Special -shaped steel space frame construction and installation structure of complicated large -span department |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110765545A (en) * | 2019-11-28 | 2020-02-07 | 北京市第三建筑工程有限公司 | Lifting system of hangar steel grid structure and modeling analysis method |
| CN111622114A (en) * | 2020-05-08 | 2020-09-04 | 中铁大桥科学研究院有限公司 | Bridge segment prefabrication construction line shape error adjusting method |
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2015
- 2015-11-13 CN CN201520908692.XU patent/CN205444935U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110765545A (en) * | 2019-11-28 | 2020-02-07 | 北京市第三建筑工程有限公司 | Lifting system of hangar steel grid structure and modeling analysis method |
| CN111622114A (en) * | 2020-05-08 | 2020-09-04 | 中铁大桥科学研究院有限公司 | Bridge segment prefabrication construction line shape error adjusting method |
| CN111622114B (en) * | 2020-05-08 | 2021-08-10 | 中铁大桥科学研究院有限公司 | Bridge segment prefabrication construction line shape error adjusting method |
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| C14 | Grant of patent or utility model | ||
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| PP01 | Preservation of patent right | ||
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Effective date of registration: 20180914 Granted publication date: 20160810 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20190618 Granted publication date: 20160810 |