CN105633544A - FAST telescope ring beam lattice column structure system - Google Patents
FAST telescope ring beam lattice column structure system Download PDFInfo
- Publication number
- CN105633544A CN105633544A CN201610052472.0A CN201610052472A CN105633544A CN 105633544 A CN105633544 A CN 105633544A CN 201610052472 A CN201610052472 A CN 201610052472A CN 105633544 A CN105633544 A CN 105633544A
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- China
- Prior art keywords
- lattice column
- tie beam
- collar tie
- structural system
- lattice
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/36—Bearings or like supports allowing movement
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2439—Adjustable connections, e.g. using elongated slots or threaded adjustment elements
Abstract
The invention discloses a FAST telescope ring beam lattice column structure system. The ring beam lattice column structure system comprises a ring beam and a plurality of lattice columns, wherein the ring beam is of a stereoscopic truss structure and consists of a circular steel tube and a welding irregularly-shaped component which are connected through a welding ball and a node plate; the lower chord of the ring beam is provided with a plurality of nodes, the ring beam is used for bearing dynamic load transmitted from a main network cable through the nodes, the ring beam is positioned on the lattice columns through supports, and the lattice columns are positioned on a lattice column foundation. The outer ring steel structure of the structure system disclosed by the invention forms a closed circular ring to bear the main body load of a telescope, the compressive strength of rolled steel is sufficiently utilized, and the stress transfer mode of a traditional radio telescope supporting structure is changed.
Description
Technical field
The present invention relates to a kind of collar tie beam lattice column structural system being applied to FAST radio telescope.
Background technology
FAST telescope collar tie beam lattice column structural system, in use owing to the pulling force effect collar tie beam of main rope is generally in pressured state, is an overall compressed structure in hoop plane; When cable stretching to benchmark sphere state, collar tie beam can produce certain radial deformation; And in use rope net can form different parabola, and the dynamic load operating mode of different parabola state lower ring beam lattice column structural system and stability thereof require also to differ; Therefore, how to design the collar tie beam lattice column structural system that a kind of FAST of being suitable to telescope uses to become those skilled in the art and need the technical barrier captured badly.
Summary of the invention
For problems of the prior art, the invention provides a kind of FAST telescope collar tie beam lattice column structural system, this structural system outer ring steel construction forms the annulus closed, bear telescopical main body load, taking full advantage of the comprcssive strength of steel, what change tradition radio telescope supporting structure is subject to power transfer mode.
It is an object of the invention to be achieved through the following technical solutions:
FAST telescope collar tie beam lattice column structural system, described collar tie beam lattice column structural system includes collar tie beam and some lattice columns; Described collar tie beam is space truss structure, is made up of round steel pipe and welding special-shaped component, and described round steel pipe and welding special-shaped component are connected by solder sphere and gusset plate; The lower edge of described collar tie beam is provided with several nodes, and collar tie beam bears, by described node, the dynamic load that main rope net is transmitted through, and collar tie beam is by a located some described lattice column, and described lattice column falls within lattice column basis.
Further, described bearing is bidirectional sliding support; The base of described bidirectional sliding support is fixing with described lattice column to be connected, and the footstock of described bidirectional sliding support is fixing with described collar tie beam to be connected; Being provided with a two-way sliding axle between described base and footstock, the lower end of described Bidirectional slide axle is seated in the chute on described base, and the diameter of the lower end of Bidirectional slide axle is less than the internal diameter of described chute; The upper end of described Bidirectional slide axle is connected with described footstock clamping, and the junction of the two is provided with a steel hemisphere.
Further, the capital of each described lattice column is respectively provided with two described bearings.
Further, the capital surrounding of described lattice column is provided with several waling stripes; One end of described waling stripe is laterally hinged with the connecting tube being fixedly connected on described lattice column and is connected, and the other end is laterally hinged with the connecting tube being fixedly connected on described collar tie beam and is connected; The supporting of described lattice column hoop is given by described waling stripe.
Further, the quantity of described waling stripe is two, and two waling stripes are that diagonal is arranged in the capital surrounding of described lattice column.
Further, the quantity of described waling stripe is four, and four waling stripe distributions are arranged on the capital surrounding of described lattice column.
Further, the junction of described lattice column and described collar tie beam is positioned at inside the lower surface of described collar tie beam, and the periphery of described collar tie beam is in the state of encorbelmenting.
Further, described bidirectional sliding support both sides are provided with anti-pulling device, limit described collar tie beam by described anti-pulling device and depart from described lattice column.
Further, described anti-pulling device is made up of inverted T shape resistance to plucking bar and spacing otic placode, the upper end of described inverted T shape resistance to plucking bar is fixed on described collar tie beam, and the lower end of inverted T shape resistance to plucking bar is arranged in described spacing otic placode, the lower end of inverted T shape resistance to plucking bar can in described spacing otic placode transverse shifting setpoint distance; Described spacing otic placode is fixed on the capital of described lattice column.
Further, described collar tie beam is internally provided with packway, uniform between two adjacent described lattice columns is provided with 2 Pin packway hanging baskets, and is provided with the steel cat ladder from ground to described packway on three described lattice columns.
The present invention has following positive technique effect:
1) present invention employs the structure support system of a kind of brand-new radio telescope: outer ring steel construction forms the annulus closed, bear telescopical main body load, taking full advantage of the comprcssive strength of steel, what change tradition radio telescope supporting structure is subject to power transfer mode;
2) internal diameter of the collar tie beam of the present invention reaches 500.8m, and is positioned at From Karst Mountainous Area, guizhou, china, lattice column according to physical features rational height, its height from 6.419m ~ 50.419m highly not etc., no matter yardstick or difficulty of construction, be proposed new challenge;
3) encorbelment in ring beam periphery: reflecting surface and the rope net of FAST radio telescope are positioned at inside ring beam, and its load transmitted acts on inside ring beam, and therefore the part of encorbelmenting of outside about 5.5m can play certain counterweight effect;
4) setting of slip support abutment: based on the impact of variations in temperature, ring beam and lattice intercolumniation arrange slip support abutment, when variations in temperature, by the Relative sliding release temperature stress of ring beam Yu lattice column, improves structural-load-carrying capacity;
5) setting of waling stripe: it gives the supporting of lattice column hoop, it is to avoid the situation of sliding support hoop slide rail " stuck ";
6) setting of resistance to plucking bar: owing to ring beam is supported on lattice capital by slip support abutment, and periphery is in encorbelmenting attitude, arranges resistance to plucking bar, effectively prevents ring beam from departing from lattice column, and can also play the effect that limit slip is excessive;
7) setting of ceiling mounted tracks: the lifting for reflecting surface unit provides supporting;
8) construction technology: the present invention adopts the mode that welding combines with bolt, reduces cost of labor, improves installation effectiveness.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of FAST telescope collar tie beam lattice column structural system of the present invention;
Fig. 2 is the bearing annexation schematic diagram with collar tie beam and lattice column of the present invention;
Fig. 3 is the waling stripe annexation schematic diagram with collar tie beam and lattice column of the present invention;
Fig. 4 is the anti-pulling device annexation schematic diagram with collar tie beam and lattice column of the present invention;
Fig. 5 is the structural representation of the anti-pulling device of the present invention.
In figure: 1, collar tie beam; 2, lattice column; 3, base; 4, footstock; 5, Bidirectional slide axle; 6, steel hemisphere; 7, waling stripe; 8, connecting tube; 9, connecting tube; 10, inverted T shape resistance to plucking bar; 11, spacing otic placode; 12, sliding tray.
Detailed description of the invention
Below, with reference to accompanying drawing, the present invention more fully being illustrated, accompanying drawing acceptance of the bid illustrates the exemplary embodiment of the present invention. But, the present invention can be presented as multiple multi-form, is not construed as the exemplary embodiment being confined to describe here. And it is to provide these embodiments, so that the present invention is fully and completely, and will fully convey the scope of the invention to those of ordinary skill in the art.
For ease of illustrating, here can use such as " on ", D score, the space relative terms such as "left", "right", for shown in figure a element or the feature relation relative to another element or feature is described. It should be understood that except the orientation shown in figure, spatial terminology is intended to include device different azimuth in use or operation. Such as, if the device in figure is squeezed, be stated as the element being positioned at other elements or feature D score will be located into other elements or feature " on ". Therefore, exemplary term D score can comprise upper and lower both orientation. Device can otherwise position (90-degree rotation or be positioned at other orientation), relatively illustrates used herein of space correspondingly to explain.
As it is shown in figure 1, the invention provides a kind of FAST telescope collar tie beam lattice column structural system, this collar tie beam lattice column structural system includes collar tie beam 1 and some lattice columns 2; Wherein, collar tie beam 1 is space truss structure, collar tie beam 1 inner ring diameter 500.8m, high 5.5m, wide 11m, is made up of round steel pipe and welding special-shaped component, and round steel pipe and welding special-shaped component are connected by solder sphere and gusset plate; The lower edge of collar tie beam 1 is provided with several nodes, and collar tie beam bears, by node, the dynamic load that main rope net is transmitted through, and collar tie beam 1 is by a located some lattice column 2, and lattice column 2 falls within lattice column basis.
In order to ensure that bidirectional sliding support pushes up center generally within lattice column 2 after cable stretching completes, when collar tie beam 1 designs, the radius of a circle at collar tie beam 1 place is extended out 100mm. When cable stretching to benchmark sphere state, collar tie beam 1 produces certain radial deformation, it is possible to meet the bearing center, top generally within lattice column 2.
Collar tie beam 1 is the truss of cross section 5.5m �� 11m, is divided into A, B, C, D, E totally 5 districts, and the structure in each district is symmetrical around circle central rotation. Wind up two ends rod member, and section form is irregular box-type member, and it arranges Reflector Panel hanging device reserved track. All the other chord members are round steel pipe, and web member is mainly round steel pipe, and local adopts I-steel. Round steel pipe web member is connected with the otic placode high-strength bolt that is connected by of irregular box chord member, adopts solder sphere to be connected with round steel pipe chord member. I-steel web member adopts with chord member and just connects. In irregular box chord member top flange, limit web together 70 �� 45 band steel tracks (Reflector Panel hanging device reserved track) are respectively set, lower flange arranges 70 �� 45 band steel tracks.
Arranging one drag-line otic placode at collar tie beam 1 lower-chord panel point every 2 internodes, drag-line otic placode is welded on inside collar tie beam lower edge on welded spherical node. Being connected with lattice column by 2 sliding supports at its lower surface, anti-pulling device is installed in bearing both sides; It is arranged circumferentially bearing pin pull bar collar tie beam bearing; Being all provided with the round steel pipe of 325 �� 14 on 2 angle points of capital and analysis frame lower edge ball node, the two is connected by girt.
Preferably, the present invention has 50 lattice columns 2, is distributed on the circumference that diameter is 500.8m, the height of lattice column 2 be 6.419m ~ 50.419m height not etc., lattice column cross sectional dimensions is 4m �� 5.5m and two kinds of forms of 4.5m �� 5.5m. The post limb of lattice column is H profile steel, and major section specification has HW300 �� 300 �� 10 �� 15, HW350 �� 350 �� 12 �� 19, HW400 �� 400 �� 13 �� 21, and web member is round steel pipe, and major section specification is �� 133 �� 5, �� 159 �� 5, �� 180 �� 8, �� 219 �� 8. Lattice column web member with intersect between web member intimate position adopt �� 400 �� 12 solder sphere is connected, all the other adopt pipe pipe intersecting welding connections.
As in figure 2 it is shown, be provided with two two-way slip support abutments often organizing lattice column 2 capital, by collar tie beam 1 hoop and radial constraint release, only providing the vertical support of collar tie beam 1, the use of this bearing reduces the highly non-uniform impact on structure integral rigidity of lattice column 1; The base 3 of bidirectional sliding support is fixing with described lattice column 2 to be connected, and the footstock 4 of bidirectional sliding support is fixing with collar tie beam 1 to be connected; Being provided with a two-way sliding axle 5 between base 3 and footstock 4, the lower end of Bidirectional slide axle 5 is seated in the chute on described base 3, and the diameter of the lower end of Bidirectional slide axle 5 is less than the internal diameter of chute; The upper end of Bidirectional slide axle 5 is connected with footstock 4 clamping, and the junction of the two is provided with a steel hemisphere 6; Because the diameter of lower end of Bidirectional slide axle 5 is less than the internal diameter of chute, thus Bidirectional slide axle 5 can transverse shifting, and the setting of steel hemisphere 6 in the plane at chute place, moving radially, for Bidirectional slide axle 5, the condition of creating; Based on the impact of variations in temperature, between collar tie beam 1 and lattice column 2, slip support abutment is set, when variations in temperature, by the Relative sliding release temperature stress of collar tie beam 1 with lattice column 2, improves structural-load-carrying capacity.
As it is shown on figure 3, in order to make system more rationally, reliable, between collar tie beam 1 and lattice column 2, be provided with waling stripe 7, arranged that by structure the hoop achieving collar tie beam 1 and lattice column 2 supports, thus be avoided that the situation of sliding support hoop slide rail " stuck ". One end of waling stripe 7 is laterally hinged with the connecting tube 8 being fixedly connected on lattice column 2 and is connected, and the other end is laterally hinged with the connecting tube 9 being fixedly connected on collar tie beam 1 and is connected; The supporting of lattice column 2 hoop is given by waling stripe 7. The quantity of waling stripe 7 could be arranged to two, and two waling stripes are that diagonal is arranged in the capital surrounding of lattice column 2. The quantity of waling stripe 7 can also be four, and four waling stripe 7 distributions are arranged on the capital surrounding of described lattice column 2. The setting of waling stripe 7; Give the supporting of lattice column 2 hoop, it is to avoid the situation of sliding support hoop slide rail " stuck ".
As illustrated in figures 4-5, owing to collar tie beam 1 is supported on lattice column 2 top by slip support abutment, and peripheral in encorbelmenting attitude, so arranging resistance to plucking bar, it is possible to effectively prevent collar tie beam 1 from departing from lattice column 2, and the effect that limit slip is excessive can also be played; Anti-pulling device is made up of inverted T shape resistance to plucking bar 10 and spacing otic placode 11, the upper end of inverted T shape resistance to plucking bar 10 is fixed on described collar tie beam 1, the lower end of inverted T shape resistance to plucking bar 10 is arranged in described spacing otic placode 11, because spacing otic placode 11 is provided with sliding tray 12, and the opening size of sliding tray 12 transverse direction is more than the diameter of inverted T shape resistance to plucking bar 10 lower crosspiece, thus the cross bar of the lower end of inverted T shape resistance to plucking bar 10 can in described spacing otic placode 11 transverse shifting setpoint distance; Spacing otic placode 11 is fixed on the capital of lattice column 2.
In FAST operation process, for convenience of maintenance and maintenance, ring beam is internal elongated arranges packway, horizontal gird is H profile steel, major section is HW148X100X6X9, and post limb and horizontal protective railing adopt box steel pipe, and major section is mouth 60X40X3, mouth 40X40X3, walkway board is supported for angle steel, and specification is L56X5. Uniform between adjacent two lattice columns it is provided with 2 Pin packway hanging baskets. On three lattice columns, it is provided with the steel cat ladder from ground to packway simultaneously.
Described above simply to illustrate that the present invention, it is understood that to the invention is not limited in above example, meet the various variants of inventive concept all within protection scope of the present invention.
Claims (10)
1.FAST telescope collar tie beam lattice column structural system, it is characterised in that described collar tie beam lattice column structural system includes collar tie beam and some lattice columns; Described collar tie beam is space truss structure, is made up of round steel pipe and welding special-shaped component, and described round steel pipe and welding special-shaped component are connected by solder sphere and gusset plate; The lower edge of described collar tie beam is provided with several nodes, and collar tie beam bears, by described node, the dynamic load that main rope net is transmitted through, and collar tie beam is by a located some described lattice column, and described lattice column falls within lattice column basis.
2. FAST telescope collar tie beam lattice column structural system according to claim 1, it is characterised in that described bearing is bidirectional sliding support; The base of described bidirectional sliding support is fixing with described lattice column to be connected, and the footstock of described bidirectional sliding support is fixing with described collar tie beam to be connected; Being provided with a two-way sliding axle between described base and footstock, the lower end of described Bidirectional slide axle is seated in the chute on described base, and the diameter of the lower end of Bidirectional slide axle is less than the internal diameter of described chute; The upper end of described Bidirectional slide axle is connected with described footstock clamping, and the junction of the two is provided with a steel hemisphere.
3. FAST telescope collar tie beam lattice column structural system according to claim 1, it is characterised in that the capital of each described lattice column is respectively provided with two described bearings.
4. FAST telescope collar tie beam lattice column structural system according to claim 1, it is characterised in that the capital surrounding of described lattice column is provided with several waling stripes; One end of described waling stripe is laterally hinged with the connecting tube being fixedly connected on described lattice column and is connected, and the other end is laterally hinged with the connecting tube being fixedly connected on described collar tie beam and is connected; The supporting of described lattice column hoop is given by described waling stripe.
5. FAST telescope collar tie beam lattice column structural system according to claim 4, it is characterised in that the quantity of described waling stripe is two, two waling stripes are that diagonal is arranged in the capital surrounding of described lattice column.
6. FAST telescope collar tie beam lattice column structural system according to claim 4, it is characterised in that the quantity of described waling stripe is four, four waling stripe distributions are arranged on the capital surrounding of described lattice column.
7. FAST telescope collar tie beam lattice column structural system according to claim 1, it is characterised in that the junction of described lattice column and described collar tie beam is positioned at inside the lower surface of described collar tie beam, and the periphery of described collar tie beam is in the state of encorbelmenting.
8. FAST telescope collar tie beam lattice column structural system according to claim 2, it is characterised in that described bidirectional sliding support both sides are provided with anti-pulling device, limits described collar tie beam by described anti-pulling device and departs from described lattice column.
9. FAST telescope collar tie beam lattice column structural system according to claim 8, it is characterized in that, described anti-pulling device is made up of inverted T shape resistance to plucking bar and spacing otic placode, the upper end of described inverted T shape resistance to plucking bar is fixed on described collar tie beam, the lower end of inverted T shape resistance to plucking bar is arranged in described spacing otic placode, the lower end of inverted T shape resistance to plucking bar can in described spacing otic placode transverse shifting setpoint distance; Described spacing otic placode is fixed on the capital of described lattice column.
10. FAST telescope collar tie beam lattice column structural system according to claim 1, it is characterized in that, described collar tie beam is internally provided with packway, uniform between two adjacent described lattice columns it is provided with 2 Pin packway hanging baskets, and on three described lattice columns, is provided with the steel cat ladder from ground to described packway.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052472.0A CN105633544B (en) | 2016-01-27 | 2016-01-27 | FAST telescope collar tie beam lattice column structure systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052472.0A CN105633544B (en) | 2016-01-27 | 2016-01-27 | FAST telescope collar tie beam lattice column structure systems |
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| CN105633544A true CN105633544A (en) | 2016-06-01 |
| CN105633544B CN105633544B (en) | 2018-06-26 |
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| CN106988431A (en) * | 2017-04-09 | 2017-07-28 | 中建三局第建设工程有限责任公司 | It is a kind of to be used for the space truss tumbler bearing node with drag-line and manufacture method |
| CN107663900A (en) * | 2017-04-18 | 2018-02-06 | 清华大学建筑设计研究院有限公司 | A kind of connecting node for closing saddle-shape cable membrane structure and being cooperated with substructure |
| CN107965058A (en) * | 2017-12-06 | 2018-04-27 | 浙江精工钢结构集团有限公司 | A kind of device for improving ball hinged support node resistance to plucking load-carrying properties |
| CN109244678A (en) * | 2018-09-27 | 2019-01-18 | 中国科学院国家天文台 | A kind of rope system basis telescope reflecting surface structure |
| CN113026945A (en) * | 2021-03-25 | 2021-06-25 | 彭威又 | Mounting mode of steel structure roof top beam column universal joint structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106988431A (en) * | 2017-04-09 | 2017-07-28 | 中建三局第建设工程有限责任公司 | It is a kind of to be used for the space truss tumbler bearing node with drag-line and manufacture method |
| CN107663900A (en) * | 2017-04-18 | 2018-02-06 | 清华大学建筑设计研究院有限公司 | A kind of connecting node for closing saddle-shape cable membrane structure and being cooperated with substructure |
| CN107663900B (en) * | 2017-04-18 | 2020-06-16 | 清华大学建筑设计研究院有限公司 | Connecting node of closed saddle-shaped cable membrane structure and substructure cooperative work |
| CN107965058A (en) * | 2017-12-06 | 2018-04-27 | 浙江精工钢结构集团有限公司 | A kind of device for improving ball hinged support node resistance to plucking load-carrying properties |
| CN109244678A (en) * | 2018-09-27 | 2019-01-18 | 中国科学院国家天文台 | A kind of rope system basis telescope reflecting surface structure |
| CN109244678B (en) * | 2018-09-27 | 2023-10-17 | 中国科学院国家天文台 | Rope system foundation telescope reflecting surface structure |
| CN113026945A (en) * | 2021-03-25 | 2021-06-25 | 彭威又 | Mounting mode of steel structure roof top beam column universal joint structure |
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| CN105633544B (en) | 2018-06-26 |
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