CN108775111A - A kind of assembled large span triangular steel truss structure - Google Patents

A kind of assembled large span triangular steel truss structure Download PDF

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Publication number
CN108775111A
CN108775111A CN201810577479.3A CN201810577479A CN108775111A CN 108775111 A CN108775111 A CN 108775111A CN 201810577479 A CN201810577479 A CN 201810577479A CN 108775111 A CN108775111 A CN 108775111A
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CN
China
Prior art keywords
pipe
wind
unit
diagonal web
winds
Prior art date
Application number
CN201810577479.3A
Other languages
Chinese (zh)
Inventor
耿彪
雷文刚
孔庆宇
刘晓瑞
潘浩
Original Assignee
山西联邦环境工程有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 山西联邦环境工程有限公司 filed Critical 山西联邦环境工程有限公司
Priority to CN201810577479.3A priority Critical patent/CN108775111A/en
Publication of CN108775111A publication Critical patent/CN108775111A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/342Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/08Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0469Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section triangular-shaped

Abstract

The invention discloses a kind of assembled large span triangular steel truss structures, including:First wind up pipe, second wind up pipe, lower edge pipe, the first diagonal web member unit, the second diagonal web member unit and the connecting rod that winds up, wherein, first pipe and second that winds up winds up and is equipped with the connecting rod that winds up that continuous phase is spaced apart between pipe, first wind up pipe, second wind up and be equipped with the second diagonal web member unit of the first diagonal web member unit and setting adjacent thereto that continuous phase is spaced apart between pipe and lower edge pipe;First wind up pipe, wind up between connecting rod and the first diagonal web member unit, the second diagonal web member unit, second wind up pipe, wind up between connecting rod and the first diagonal web member unit, the second diagonal web member unit, mutually fixed by anchor ear and its connecting plate being welded on anchor ear respectively between lower edge pipe and the first diagonal web member unit, the second diagonal web member unit, so that the structure realizes assembling, it welds construction site zero, it uses manpower and material resources sparingly, improve efficiency of assembling, shorten construction period, increases economic efficiency.

Description

A kind of assembled large span triangular steel truss structure
Technical field
The present invention relates to longspan structure technical field, more particularly to a kind of assembled large span triangular steel truss structure.
Background technology
It is well known that triangular-section spatial steel tube-truss is one of the principal mode of civil engineering large-span structure, make Type precision and elegance, steel using amount is small, and applicability is good.It constantly being promoted with the assembling process in China, environmental protection concept is rooted in the hearts of the people, More and more large-span structures use the structure type of triangular-section spatial steel tube-truss, this needs the pipe of a large amount of site weldings Truss, the problem is that, since the tubular truss quality of welding is unqualified, a large amount of uses of tubular truss bring many engineering things Therefore;Meanwhile the tubular truss long construction period of welding, drastically influence the economic benefit of enterprise.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, an object of the present invention is to provide a kind of assembled large span triangular steel truss structure, efficiency of assembling Height, short construction period, construction site is without welding.
To achieve the above object, the embodiment of the present invention proposes a kind of assembled large span triangular steel truss structure, including: First wind up pipe, second wind up pipe and lower edge pipe, wherein described first wind up pipe with described second wind up pipe it Between be equipped with the connecting rod that winds up that is spaced apart of continuous phase, the described first wind up pipe, described second pipe that winds up is justified with the lower edge The second diagonal web member unit of the first diagonal web member unit and setting adjacent thereto that continuous phase is spaced apart is equipped between pipe;It is described First wind up pipe, described second wind up pipe, the lower edge pipe, the first diagonal web member unit, second diagonal web member Unit and the connecting rod that winds up constitute triangular steel truss structure;Described first winds up pipe, wind up connecting rod and described first Between diagonal web member unit, the second diagonal web member unit, described second wind up pipe, connecting rod and first diagonal web member of winding up Between unit, the second diagonal web member unit, the lower edge pipe and the first diagonal web member unit, the second diagonal web member unit Between mutually fixed by anchor ear and its connecting plate being welded on the anchor ear respectively, described first wind up pipe, on described second String pipe and the lower edge pipe are interference fitted with the anchor ear respectively, the first diagonal web member unit, second diagonal web member Unit and the connecting rod that winds up mutually are fixed by bolt respectively with connecting plate.
The assembled large span triangular steel truss structure proposed according to embodiments of the present invention is winded up pipe, by first The the first diagonal web member unit and the second diagonal web member unit and first that two wind up is arranged between pipe and lower edge pipe wind up circle Pipe, second are winded up the connecting rod that winds up being arranged between pipe, form triangular steel truss structure, and by winding up pipe, the first Two wind up on pipe and lower edge pipe setting anchor ear and its is welded to connect plate on anchor ear so that triangular steel truss structure realizes dress With change, construction site zero welds, uses manpower and material resources sparingly, and improves efficiency of assembling, shortens construction period, increases economic efficiency.
According to one embodiment of present invention, second diagonal web member of the first diagonal web member unit setting adjacent thereto Unit is in the shape of the letter V setting;The first diagonal web member unit and the second diagonal web member unit are by first pipe or two First angle steel is constituted, and first pipe or two first angle steel are bolted to connection with the connecting plate respectively.
According to one embodiment of present invention, described first wind up pipe, described second wind up pipe and the lower edge circle Pipe is linear or line of apsides shape.
According to one embodiment of present invention, the connecting rod that winds up is that the second angle steel or the second pipe are one such, In, the length of second angle steel is less than the length of first angle steel, and the length of second pipe is less than described first and justifies The length of pipe.
According to one embodiment of present invention, the both ends end of first pipe and second pipe is flat, And equipped with for the fixed screw hole of bolt.
According to one embodiment of present invention, the anchor ear includes two Ω shape steel parts, " cross " in each Ω shapes steel part It is equipped with and is used for the fixed multiple screw holes of bolt.
According to one embodiment of present invention, the coarse setting of " arc " medial surface in the Ω shapes steel part, described first Wind up pipe, second wind up that end lateral surface that pipe and lower edge pipe are contacted with Ω shape steel part medial surfaces is matched coarse to be set It sets.
Wherein, annular knurl operation can be used in coarse setting.
According to one embodiment of present invention, two Ω shapes steel parts are equipped with described in the first dowel hole and two Described the first of Ω shape steel parts contact wind up pipe, second wind up be equipped on pipe and lower edge pipe end with it is described first fixed The second dowel hole that position pin hole matches.
According to one embodiment of present invention, it is equipped with positioning in first dowel hole and second dowel hole Pin.
According to one embodiment of present invention, described first wind up pipe, described second wind up pipe, the lower edge circle Pipe, first pipe and the second pipe model can be Φ 140*5.
According to one embodiment of present invention, the model of first angle steel and second angle steel can be L75*4.
According to one embodiment of present invention, the bolt specification can be the M16*50 of HS10.9 ranks.
According to one embodiment of present invention, the specification of the anchor ear and the connecting plate can be the steel of the 10mm of Q345B Plate.
Compared with prior art, the invention has the advantages that:(1)Connecting rod, the first diagonal web member and second wind up tiltedly Web member uses angle steel, and extent of corrosion is slowed down in open type section;(2)By the setting of anchor ear and connecting plate, simplifies node and set Meter, realizes the full assembling of longspan structure triangular steel truss, shortens the duration of a project, obtain huge economic benefit;(3) Construction site zero is welded, and the theory of green building has been practiced;(4)The setting of anchor ear medial surface is coarse so that anchor ear winds up with first Pipe, the second frictional force of winding up between pipe and lower edge pipe enhance, and are not easy to rotate, while making connection stiffness stronger, hardness Higher;(5)Pass through the setting of the first dowel hole and the second dowel hole and positioning pin so that anchor ear and first winds up circle Pipe, the second stationarity of winding up between pipe and lower edge pipe enhance.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment Obviously and it is readily appreciated that, wherein
Fig. 1 is assembled large span triangular steel truss structural schematic diagram according to the ... of the embodiment of the present invention;
Fig. 2 is a magnified partial views in Fig. 1;
Fig. 3 is b magnified partial views in Fig. 1;
Fig. 4 is c magnified partial views in Fig. 1;
Fig. 5 is the left view of the parts d in Fig. 1;
Fig. 6 is the front view of the parts c in Fig. 1;
Fig. 7 is the right view of the parts c in Fig. 1;
Fig. 8 is assembled large span triangular steel truss structural schematic diagram according to an embodiment of the invention;
Fig. 9 is e magnified partial views in Fig. 8;
Figure 10 is f magnified partial views in Fig. 8;
Figure 11 is g magnified partial views in Fig. 8;
Figure 12 is the first pipe or the second pipe knot in assembled large span triangular steel truss according to an embodiment of the invention Structure schematic diagram;
Figure 13 is A-A diagrammatic cross-sections in Figure 12.
Reference numeral:1- first winds up pipe, and 2- second winds up pipe, 3- lower edge pipes, 4- the first diagonal web member units, 5- Second diagonal web member unit, 6- wind up connecting rod, 7- anchor ears, 8- connecting plates.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
The assembled large span triangular steel truss of the embodiment of the present invention described below in conjunction with the accompanying drawings.
Specifically, as shown in figures 1-13, the assembled large span triangular steel truss of the embodiment of the present invention passes through first It winds up pipe 1 and the second consecutive intervals setting between pipe 2 of winding up is winded up connecting rod 6, by winding up pipe 1 first and lower edge is justified First diagonal web member unit 4 and the second diagonal web member unit 5 be set between pipe 3, and by winding up pipe 2 and lower edge pipe second First diagonal web member unit 4 and the second diagonal web member unit 5 be set between 3, and first wind up pipe 1, wind up connecting rod 6 and first tiltedly Between web member unit 4, the second diagonal web member unit 5, second wind up pipe 2, wind up connecting rod 6 and the first diagonal web member unit 4, the second oblique abdomen It by anchor ear 7 and its is welded on respectively between bar unit 5, between lower edge pipe 3 and the first diagonal web member unit 4, the second diagonal web member unit 5 8 phase of connecting plate on anchor ear 7 is fixed, wherein first wind up pipe 1, second wind up pipe 2 and lower edge pipe 3 respectively with anchor ear 7 Interference fit, the first diagonal web member unit 4, the second diagonal web member unit 5 and the connecting rod 6 that winds up are mutually solid by bolt respectively with connecting plate 8 It is fixed.
The setting it should be noted that the second diagonal web member unit 5 of 4 setting adjacent thereto of the first diagonal web member unit is in the shape of the letter V; First diagonal web member unit 4 and the second diagonal web member unit 5 are made of first pipe or two the first angle steel, one first circle Pipe or two the first angle steel are bolted to connection with connecting plate 8 respectively.
That is, the connecting rod 6 that winds up is the second single angle steel, both ends are separately connected first and wind up on pipe 1 and second String pipe 2, and wind up pipe 1 first and second diagonal web member being arranged between pipe 2 and lower edge pipe 3 that winds up is respectively set to Two the first angle steel, and two the first angle steel are separately positioned on the both sides of connecting plate 8, so that the triangular steel truss is more It is solid firm.
In addition, the first diagonal web member unit, the second diagonal web member unit and the connecting rod that winds up use angle steel respectively, due to open section Face, the weather to haze in rain and snow or easily, angle steel not water easy-storing are easy to dry so that the triangular steel truss be not easy rainwater by Corrosion.
Alternatively, the connecting rod 6 that winds up is the first pipe, flat both ends are separately connected first pipe 1 and second that winds up and wind up circle Pipe 2, and wind up pipe 1 first and second diagonal web member being arranged between pipe 2 and lower edge pipe 3 that winds up is respectively set to second Pipe, and the flat both ends of the second pipe are bolted with the connecting plate on anchor ear 7 and are connected, so that the triangle Steel truss is more solid firm.
It is understood that the setting of the medial surface of anchor ear 7 is coarse, first contacted with anchor ear 7 is winded up pipe 1, second Wind up pipe 2 and lower edge pipe 3 lateral surface setting it is coarse so that anchor ear preferably wind up with first pipe 1, second wind up circle Pipe 2 and lower edge pipe 3 contact more preferably, and difficult to slide or rotation ensures integrally-built stability.
Wherein, the mode of rough surface setting can be that annular knurl is arranged.
In addition, being welded to connect plate 8 on anchor ear 7, can be just welded in manufacture, and produced in batches, or will embrace Hoop 7 and connecting plate 8 pour as an integrated standard component, are more convenient transport, are assembled again to construction site, realize triangle steel truss The assembling of frame structure.
It should be noted that the angle of 7 upper junction plate 8 of anchor ear setting is subject to the practical angle calculated of structure.
Wherein, the first wind up pipe 1, the second wind up pipe 2, lower edge pipe 3, the first pipe and the second pipe specification can be Φ 140*5, the angle steel specification used in the connecting rod 6 that winds up, the first diagonal web member unit 4 and the second diagonal web member unit 5 can be L75* 4, the specification of anchor ear 7 and connecting plate 8 can be the steel plate of the 10mm of Q345B, and bolt specification can be the M16*50 of HS10.9 ranks.
Wherein it is preferred to first wind up pipe 1, second wind up pipe 2,3 length of lower edge pipe can be 4057mm, on The length of string connecting rod 6 can be 4000mm, and the distance of lower edge pipe 3 to the connecting rod 6 that winds up can be 4500mm.
According to one embodiment of present invention, when carrying out assembly triangular steel truss structure, connected first by an anchor ear 7 Two first pipes 1 that wind up are connect, while two second pipes 2 that wind up are connected by another anchor ear 7, and pass through the company of winding up Bar 6 is bolted to connection with the connecting plate 8 on both of the aforesaid anchor ear 7 respectively, and then first is winded up on pipe 1 and second String pipe 2 connects;Then two anchor ears are assembled at the both ends of lower edge pipe 3 respectively, pass through first diagonal web member unit 4 connection the The anchor ear of one anchor ear to wind up on pipe 1 and 3 one end of lower edge pipe, by another the first diagonal web member unit 4 connection second The anchor ear of anchor ear and 3 one end of lower edge pipe on string pipe 2, meanwhile, it connects first by a second diagonal web member unit 5 and winds up The anchor ear of anchor ear and 3 other end of lower edge pipe on pipe 1 is winded up circle by another the second diagonal web member unit 5 connection second The anchor ear of anchor ear and 3 other end of lower edge pipe on pipe 2, and then a triangular steel truss structure minimum repetitive unit is formed, it presses According to above-mentioned steps, multiple minimum repetitive units are assembled, large span triangular steel truss structure is formed.
According to another embodiment of the invention, when carrying out assembly triangular steel truss structure, first, first is winded up circle Two anchor ears are fixed at the both ends of pipe 1, likewise, two anchor ears are fixed at the both ends that second winds up pipe 2, then by one String connecting rod 6 winds up the anchor ear of 1 one end of pipe by first and anchor ear that second winds up 2 one end of pipe is fixedly connected, and by another A connecting rod 6 that winds up winds up the anchor ear of 1 other end of pipe by first and anchor ear that second winds up 2 other end of pipe is fixedly connected, into And first pipe 1 that winds up is connect with second pipe 2 that winds up;Then two lower edge pipes 3 are connected by an anchor ear, is led to Cross first diagonal web member unit 4 connection first wind up 1 one end of pipe anchor ear and the anchor ear on lower edge pipe 3, pass through one Second diagonal web member unit 5 connection first wind up 1 other end of pipe anchor ear and lower edge pipe 3 on anchor ear, and pass through another First diagonal web member unit 4 connection second wind up 2 one end of pipe anchor ear and lower edge pipe 3 on anchor ear, by another second The connection of diagonal web member unit 5 second wind up 2 other end of pipe anchor ear and lower edge pipe 3 on anchor ear, and then form a triangle Multiple minimum repetitive units are assembled according to above-mentioned steps, form large span triangle by steel truss structure minimum repetitive unit Steel truss structure.
Wherein, the first diagonal web member unit 4 is identical as the middle angle steel used or pipe length of the second diagonal web member unit 5, angle Corresponding bolt fixing threaded hole is all equipped on steel or pipe and anchor ear connecting plate in advance.
It should be noted that winding up connecting rod 6 during the connection process, angle steel opening direction should be consistent.First diagonal web member unit 4 It is reversed with the angle steel opening direction in the second diagonal web member unit 5.
It is understood that in the construction process, can wind up pipe according to practice of construction measuring and calculating process, concrete regulation first 1, the second specific length for winding up pipe 2, the connecting rod 6 that winds up, lower edge pipe 3, the first diagonal web member unit 4 and the second diagonal web member unit 5 Degree and specifications and models.
In addition, anchor ear 7 with connect first wind up pipe 1, second wind up pipe 2, also pass through positioning pin on lower edge pipe 3 It is fixed, prevent anchor ear 7 from sliding phenomenon occur.
In conclusion the assembled large span triangular steel truss structure proposed according to embodiments of the present invention, on first String pipe, second are winded up the first diagonal web member unit and the second diagonal web member unit being arranged between pipe and lower edge pipe, Yi Ji One wind up pipe, second wind up the connecting rod that winds up being arranged between pipe, form triangular steel truss structure, and by winding up circle one Pipe, second are winded up on pipe and lower edge pipe setting anchor ear and its is welded to connect plate on anchor ear so that triangular steel truss structure It realizes that assembling, construction site zero are welded, used manpower and material resources sparingly, improves efficiency of assembling, shorten construction period, improve economic effect Benefit.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
For this purpose, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, on Deng unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be that machinery connects It connects, can also be electrical connection;It can be connected directly, can also can be indirectly connected through an intermediary inside two elements Connection or two elements interaction relationship, unless otherwise restricted clearly.For those of ordinary skill in the art and Speech, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of Fisrt feature level height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example It is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms need not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any It can be combined in any suitable manner in a or multiple embodiments or example.In addition, without conflicting with each other, the technology of this field The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel And combination.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (9)

1. a kind of assembled large span triangular steel truss structure, which is characterized in that including:
First wind up pipe, second wind up pipe and lower edge pipe, wherein described first pipe that winds up winds up circle with described second Be equipped with the connecting rod that winds up that is spaced apart of continuous phase between pipe, described first wind up pipe, described second wind up pipe with it is described under The second diagonal web member unit of the first diagonal web member unit and setting adjacent thereto that continuous phase is spaced apart is equipped between string pipe; Described first wind up pipe, described second wind up pipe, the lower edge pipe, the first diagonal web member unit, it is described second tiltedly Web member unit and the connecting rod that winds up constitute triangular steel truss structure;
Described first wind up pipe, it is described wind up between connecting rod and the first diagonal web member unit, the second diagonal web member unit, institute State second wind up pipe, it is described wind up between connecting rod and the first diagonal web member unit, the second diagonal web member unit, the lower edge It by anchor ear and its is welded on the anchor ear respectively between pipe and the first diagonal web member unit, the second diagonal web member unit Connecting plate mutually fix, wherein described first wind up pipe, described second wind up pipe and the lower edge pipe respectively with it is described Anchor ear is interference fitted, the first diagonal web member unit, the second diagonal web member unit and connecting rod and the connecting plate difference of winding up It is mutually fixed by bolt.
2. assembled large span triangular steel truss structure according to claim 1, which is characterized in that first diagonal web member The second diagonal web member unit of unit setting adjacent thereto is in the shape of the letter V setting;The first diagonal web member unit and described second Diagonal web member unit is made of first pipe or two the first angle steel, first pipe or two first angle steel point It is not bolted to connection with the connecting plate.
3. assembled large span triangular steel truss structure according to claim 1, which is characterized in that described first winds up circle Pipe, described second wind up pipe and the lower edge pipe is linear or line of apsides shape.
4. assembled large span triangular steel truss structure according to claim 1, which is characterized in that the connecting rod that winds up is Second angle steel or the second pipe are one such.
5. assembled large span triangular steel truss structure according to claim 2 or 4, which is characterized in that first circle The both ends end of pipe and second pipe is flat, and equipped with for the fixed screw hole of bolt.
6. assembled large span triangular steel truss structure according to claim 1, which is characterized in that the anchor ear includes two A Ω shapes steel part, " cross " in each Ω shapes steel part, which is equipped with, is used for the fixed multiple screw holes of bolt.
7. assembled large span triangular steel truss structure according to claim 6, which is characterized in that in the Ω shapes steel part The coarse setting of " arc " medial surface, described first wind up pipe, second wind up on the inside of pipe and lower edge pipe and Ω shapes steel parts The matched coarse setting of lateral surface of face contact.
8. the assembled large span triangular steel truss structure described according to claim 6 or 7, which is characterized in that two Ω Shape steel part is equipped with the first dowel hole, contacted with two Ω shapes steel parts described first wind up pipe, second wind up circle Pipe and lower edge cylindrical parts are equipped with the second dowel hole to match with first dowel hole.
9. assembled large span triangular steel truss structure according to claim 8, which is characterized in that first positioning pin Positioning pin is equipped in hole and second dowel hole.
CN201810577479.3A 2018-06-07 2018-06-07 A kind of assembled large span triangular steel truss structure CN108775111A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109518877A (en) * 2018-11-21 2019-03-26 太原理工大学 A kind of assembled H-shaped triangular steel truss and its assembly method
CN110145069A (en) * 2019-05-30 2019-08-20 攀枝花攀钢集团设计研究院有限公司 Self-stabilization purlin component

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109518877A (en) * 2018-11-21 2019-03-26 太原理工大学 A kind of assembled H-shaped triangular steel truss and its assembly method
CN110145069A (en) * 2019-05-30 2019-08-20 攀枝花攀钢集团设计研究院有限公司 Self-stabilization purlin component

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