CN109235769A - Truss structure and its installation method are reinforced in a kind of recessed fish-bellied type combination of large span - Google Patents
Truss structure and its installation method are reinforced in a kind of recessed fish-bellied type combination of large span Download PDFInfo
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- CN109235769A CN109235769A CN201811367173.1A CN201811367173A CN109235769A CN 109235769 A CN109235769 A CN 109235769A CN 201811367173 A CN201811367173 A CN 201811367173A CN 109235769 A CN109235769 A CN 109235769A
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- bar
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- overhanging
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/11—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with non-parallel upper and lower edges, e.g. roof trusses
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention relates to a kind of recessed fish-bellied type combinations of large span to reinforce truss structure and its installation method, for special-shaped large-span truss, including positioning lattice column, arch main couple, moulding main couple, reinforce moulding jack truss, light-duty moulding jack truss, overhanging main couple and the truss connecting rod between truss.Can be thick and heavy with multiple formation both ends in parallel, intermediate frivolous big area roof, its structure is complicated, and structure lenticular truss small in ends more broad in the middle is more firm；According to size, the length of jack truss both ends English truss and intermediate monochord bar, the recessed fish belly moulding of whole truss structure is controlled；Main couple is shared between every truss structure and links bar interconnection, and entire roof truss is made to form reasonable stress entirety handsome in appearance.Its structure is close with existing lenticular truss structure, but moulding links bar for jack truss interconnection by upper lower edge, each primary and secondary truss is made to form complete one on the contrary, on the basis of sharing main couple.
Description
Technical field
The present invention relates to large-scale roof truss technical fields, and in particular to a kind of recessed fish-bellied type combination reinforcement truss knot of large span
Structure and its installation method.
Background technique
As domestic economy continues to develop, overline bridge, vestibule, large-scale museum are continued to bring out, the large span roof truss of different shapes
It emerges one after another；The selection of structure type and structure design whether the proper cost for directly determining building structure, rigidity and stabilization
Property, also it is related to the degree of safety and comfort of the pedestrian of its carrying.Previous lenticular truss, moulding is more single, in truss
Portion is more heavy, and when being formed simultaneously large span roof truss, steel using amount is larger, uneconomical.
Summary of the invention
In order to solve the above technical problems, the present invention provide a kind of recessed fish-bellied type combination of large span reinforce truss structure and its
Installation method, structure is close with existing lenticular truss structure, but moulding on the contrary, and share main couple on the basis of, lead to
It crosses lower edge and links bar for jack truss interconnection, each primary and secondary truss is made to form complete one.
To realize the above-mentioned technical purpose, the present invention adopts the following technical scheme:
A kind of recessed fish-bellied type combination reinforcement truss structure of large span, it is characterised in that:
Including positioning lattice column, arch main couple, moulding main couple, reinforce moulding jack truss, light-duty moulding jack truss, overhanging master
Truss and the truss connecting rod between truss；
The positioning lattice column totally four, vertically arranged and arrangement are in rectangle；
It is the arch main couple totally two, longitudinal respectively to be set between two positioning lattice columns, both ends respectively with position lattice
Column is welded and fixed；
The moulding main couple totally two, be laterally set between two positioning lattice columns respectively, both ends respectively with position lattice
Column is welded and fixed；
The positioning lattice column, arch main couple and moulding main couple are enclosed rectangular framework；
The overhanging main couple totally four, the end for respectively corresponding arch main couple is set to the outside of positioning lattice column, with arch
The coaxial setting of main couple, medial end are welded and fixed with positioning lattice column；
Reinforcing moulding jack truss has several, laterally homogeneous to be set between two moulding main couples, end respectively with arch main truss
Frame is welded and fixed；
The light-duty moulding jack truss has several, overhangs set on two, the jack truss section both ends that moulding jack truss is formed are reinforced
It between main couple, is arranged in parallel with moulding jack truss is reinforced, end is welded and fixed with overhanging main couple respectively；
The truss connecting rod includes that moulding jack truss is attached the upper lower edge connection horizon bar of reinforcement and upper lower edge connects to reinforcing
Bracing diagonal is connect, and is connected as one set on entire truss center, by all reinforcement moulding jack truss and light-duty moulding jack truss
The main chord of body longitudinally links bar, and overhanging main couple is reinforced the elongated envelope bar in end, elongated conversion reinforcing rod and
Overhang bracing diagonal.
As the preferred technical solution of the present invention, the upper lower edge connection horizon bar level is set to two neighboring reinforcement moulding
Between two top booms or two lower booms of jack truss, the upper lower edge connection reinforcement brace is set to two neighboring reinforcement moulding
Between the top boom and a lower boom of jack truss；The main chord links bar both ends longitudinally to penetrate through all light-duty moulding
The continuous part of jack truss, centre are interruption part, are made of several seperated bars, and the fission bar is set to adjacent two and reinforces moulding
Between jack truss；The elongated envelope bar in the end tail end for being set to overhanging main couple parallel with elongated conversion reinforcing rod is laterally logical
Long setting, two overhanging main couples are connected as one and realize the connection with laterally adjacent composite roof truss structure；The overhanging
Bracing diagonal is set between elongated conversion reinforcing rod and positioning lattice column, is consolidated among it with the light-duty moulding jack truss of process
Fixed connection.
Further, the positioning lattice column is formed by five steel pipe combinations, and whole is in rectangle, including is located in the middle master
Column and corner post positioned at four corners；In the top and bottom position of positioning lattice column, the head tree and corner post it
Between, between adjacent corner post be respectively arranged with horizontal cross bar；In the middle position of positioning lattice column, the head tree and corner post
Between be provided with level and sew bar；It is also respectively provided between the middle position of the head tree and the top and bottom of corner post tiltedly
It is further strengthened to bar is sewed.
Further, the arch main couple is double frame, including two disposed in parallel wind up straight-bar and two lower edges
Arch bar, ipsilateral wind up are provided with the first vertical web rod and the first diagonal web member between straight-bar and arch lower boom, two straight-bars that wind up
Between set the horizontal brace rod that winds up, set string horizontal brace rod between two lower edge arch bars；Straight-bar and the lower edge arch of winding up
Shape bar is spliced by multistage quarter butt.
Further, the moulding main couple is double frame, including two compound rods that wind up disposed in parallel are described to wind up
The low both sides in the centre of compound rod are high, link bar drawknot by level between two compound rods that wind up and fix, and water is arranged in middle position
Flat reinforcing rod is reinforced；Four lower booms are arranged in the bottom of the compound rod that winds up, and the compound rod that winds up respectively with two forms K
Shaped frame；Ipsilateral wind up sets the second vertical web rod and the second diagonal web member between compound rod and lower boom；Parallel arrangement of two lower edges
Bar drawknot is linked by level between bar to fix；Oblique reinforcing rod is also set up, one end of which is fixed on winding up on compound rod, the other end
It is fixed on the horizontal middle position for linking bar between lower boom.
Further, the overhanging main couple is double frame, including parallel arrangement of two overhanging top booms and two are hanged
Lower boom is chosen, corresponding fix in the two one end forms tripod, and fixed bit installs overhanging conversion rest；Ipsilateral overhanging top boom and outstanding
It chooses and is provided with overhanging vertical web rod and overhanging diagonal web member between lower boom, set to wind up between two overhanging top booms and link bar, two
String, which is set, between overhanging lower boom links bar；The overhanging top boom extends to form overhanging to overhanging conversion rest side and extends string
Bar.
Further, the elongated envelope bar in the end is laterally vertical at the tail end that overhanging extends chord member, the elongated conversion
Reinforcing rod is laterally set to overhanging conversion rest position.
Further, the light-duty moulding jack truss is K shape monolithic truss, including top boom and first combines lower boom,
Disconnecting among the top boom becomes two sections, and bar is longitudinally linked for main chord and passes through and is consolidated with it；The top boom and
Third vertical web rod and third diagonal web member are equipped between first combination lower boom.
Further, the reinforcement moulding jack truss is under K shape monolithic truss, including box top boom and the second combination
Chord member, the seperated bar both ends that the main chord longitudinally links bar are welded on the middle position of two neighboring box top boom；It is described
The 4th vertical web rod and the 4th diagonal web member are equipped between box top boom and the second combination lower boom.
In addition, the present invention also introduces a kind of installation method of recessed fish-bellied type combination reinforcement truss structure of above-mentioned large span,
It is characterized by comprising the following steps:
Step 1: preparation: carrying out material and prepare simultaneously measurement and positioning；
Step 2: installation positioning lattice column: first position tire on head tree, successively assembly level sews bar and oblique from bottom to top
Sew bar and with head tree weld, be then successively symmetrically installed corner post and successively symmetrically sew with level bar and it is oblique sew bar welding；
Horizontal cross bar is finally installed and is welded with corner post；
Step 3: installation moulding main couple, and welded with positioning lattice column: tire and fixed in the compound rod assembly that will wind up first
Position successively assembled second vertical web rod, lower boom and is welded, and then assembled second diagonal web member and is welded, while welding is winded up combination
Bar and lower boom, finally successively assembled horizontal reinforcing rod, level link bar and weld, and assembled oblique reinforcing rod simultaneously welds；
Step 4: installation arch main couple, and welded with positioning lattice column: tire on arch lower boom is positioned first, the
The successively upper tire positioning of one vertical web rod, then tire positions and successively welds the first vertical web rod and arch from centre to both ends on top boom
Lower boom and top boom interface, assembled first diagonal web member are simultaneously welded with arch lower boom and top boom, assembly wind up link bar and
Lower edge links bar and welds；
Step 5: installing the seperated bar for reinforcing the intermediate interruption part that moulding jack truss and main chord longitudinally link bar simultaneously: first
It first carries out tire positioning, both ends on box top boom to be welded and fixed with arch main couple respectively, then tire is assembled on the 4th vertical web rod
Fixed, tire is assembled on the second combination lower boom, wherein between box top boom, the second combination lower boom and the 4th vertical web rod respectively
Welding, last 4th diagonal web member is assembled and welds, and seperated bar both ends are respectively welded at the interposition of two neighboring box top boom
It sets；
Step 6: installation overhanging main couple: carrying out tire in overhanging top boom assembly first and position, successively assembled overhanging diagonal web member
It lower boom and welds, then assembled overhanging diagonal web member and welds, while welding overhanging top boom and overhanging lower boom with overhanging；Most
Successively assembled lower edge links bar and winds up and links bar and weld afterwards, and successively assembled overhanging conversion rest, overhanging extend chord member, simultaneously
The elongated envelope bar of mounting end and elongated conversion reinforcing rod are installed simultaneously, and are welded；
Step 7: installing light-duty moulding jack truss and main chord longitudinally links the continuous part at bar both ends: main chord longitudinally links
Bar is respectively welded with light-duty moulding jack truss, light-duty moulding jack truss and overhanging main couple；Tire positioning on top boom is carried out first
And longitudinally link bar with main chord and be welded and fixed, then tire assembly is fixed on third vertical web rod, and tire is spelled on the first combination lower boom
Dress is wherein respectively welded between top boom, the first combination lower boom and third vertical web rod, and last third diagonal web member is assembled and welds
It connects；
Step 8: installing remaining truss connecting rod: it is included between light-duty moulding jack truss and installs lower edge connection horizon bar, and
The installation overhanging bracing diagonal between overhanging main couple and positioning lattice column；
Step 9: whole quality inspection, so far, the recessed fish-bellied type combination of large span are reinforced truss structure and are completed.
Truss structure of the present invention is special-shaped large-span truss, can with it is multiple it is in parallel form that both ends are thick and heavy, it is intermediate frivolous big
Area roofing, its structure is complicated, and structure lenticular truss small in ends more broad in the middle is more firm；Meanwhile according to jack truss two
Size, the length for holding English truss and intermediate monochord bar, control the recessed fish belly moulding of whole truss structure；Main couple is shared between every truss structure
And bar interconnection is linked, so that entire roof truss is formed reasonable stress entirety handsome in appearance；
Specifically, compared with prior art, the present invention makes truss guarantor while guaranteeing moulding by following four major technique
Demonstrate,prove stress:
1) positioning lattice column is tube column formula, by round tube horizon bar and sews bar for intermediate main upright bar and quadrangle time upright bar and secondary vertical
It is connected between bar, forms lattice column, ensure that the rigidity of truss；
2) lower edge strengthens main couple stress-bearing capability using lower boom as arch for arcuately main couple；
3) jack truss is monolithic truss, and by the nearly English truss of single chord member connection both ends monolithic, and every truss structure is according to jack truss
The size length of both ends English truss and intermediate monochord bar, controls the moulding of whole truss structure；
4) primary and secondary truss rational deployment, forms whole truss, and intensity is guaranteed.
Detailed description of the invention
By made detailed description in conjunction with the following drawings, above-mentioned and/or other aspects of the invention and advantage will become
It becomes apparent from and is easier to understand, these attached drawings are only schematical, are not intended to limit the present invention, in which:
Fig. 1 is the overall structure diagram that truss structure is reinforced in the recessed fish-bellied type combination of large span of the present invention；
Fig. 2 is the structural schematic diagram of arch main couple of the present invention；
Fig. 3 is the structural schematic diagram of positioning lattice column of the present invention；
Fig. 4 is the structural schematic diagram of moulding main couple of the present invention；
Fig. 5 is the structural schematic diagram of overhanging main couple of the present invention；
Fig. 6 is the structural schematic diagram of the present invention for reinforcing moulding jack truss；
Fig. 7 is the structural schematic diagram of light-duty moulding jack truss of the present invention.
Appended drawing reference: the upper lower edge connection horizon bar of 1- truss connecting rod, 11-, 12- main chord longitudinally links bar, the end 13- leads to
Long envelope bar, the elongated conversion reinforcing rod of 14-, 15- overhanging bracing diagonal, the upper lower edge connection reinforcement brace of 16-, 2- light-duty moulding time purlin
Frame, 21- top boom, 22- first combine lower boom, 23- third vertical web rod, 24- third diagonal web member, 3- and position lattice column, 31- master
Column, 32- corner post, 33- horizontal cross bar, 34- level sew that bar, 35- are oblique to sew bar, 4- arch main couple, 41- arch lower edge
Wind up straight-bar, the first vertical web rod of 43-, 44- of bar, 42- winds up horizontal brace rod, 45- lower edge horizontal brace rod, the oblique abdomen of 46- first
Bar, 5- moulding main couple, 51- wind up, and to link bar, 55- second straight for compound rod, 52- lower boom, the horizontal reinforcing rod of 53-, 54- level
The oblique reinforcing rod of web member, 56-, the second diagonal web member of 57-, 6- overhanging main couple, 61- overhanging top boom, 62- overhang lower boom, 63-
Lower edge, which links bar, 64- winds up links bar, 65- overhanging vertical web rod, 66- overhanging diagonal web member, 67- overhanging conversion rest, 68- overhanging
Extend chord member, 7- reinforces moulding jack truss, 71- box top boom, 72- second combine lower boom, the 4th vertical web rod of 73-, 74- the
Four diagonal web members.
Specific embodiment
Hereinafter, describe with reference to the accompanying drawings a kind of large span of the invention recessed fish-bellied type combination reinforce truss structure and
The embodiment of its installation method.
The embodiment recorded herein is specific specific embodiment of the invention, for illustrating design of the invention,
Be it is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Outside embodiment, those skilled in the art can also based on the claim of this application book and specification disclosure of that using aobvious and
The other technical solutions being clear to, these technical solutions include using any obvious to making for the embodiment recorded herein
The technical solution of substitutions and modifications.The attached drawing of this specification is schematic diagram, aids in illustrating design of the invention, it is schematically indicated
The shape and its correlation of each section.It note that for the ease of clearly showing the knot of each component of the embodiment of the present invention
Structure is not drawn according to identical ratio between each attached drawing.Identical reference marker is for indicating identical part.
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.Such as Fig. 1, a kind of recessed fish-bellied type combination reinforcement truss structure of large span, it is characterised in that:
Including positioning lattice column 3, arch main couple 4, moulding main couple 5, reinforce moulding jack truss 7, light-duty moulding jack truss 2, overhanging
Main couple 6 and the truss connecting rod 1 between truss；Positioning lattice column 3 totally four, vertically arranged and arrangement are in rectangle；Arch
Shape main couple 4 totally two, longitudinal respectively to be set between two positioning lattice columns 3, both ends are solid with the positioning welding of lattice column 3 respectively
It is fixed；Moulding main couple 5 totally two, be laterally set between two positioning lattice columns 3 respectively, both ends respectively with position lattice column 3
It is welded and fixed；Positioning lattice column 3, arch main couple 4 and moulding main couple 5 are enclosed rectangular framework；Overhang main couple 6 totally four
Root, respectively correspond arch main couple 4 end be set to positioning lattice column 3 outside, setting coaxial with arch main couple 4, in
Side end is welded and fixed with positioning lattice column 3；Reinforcing moulding jack truss 7 has several, laterally homogeneous to be set to two moulding main trusses
Between frame 5, end is welded and fixed with arch main couple 4 respectively；Light-duty moulding jack truss 2 has several, is set to and reinforces moulding time
Between two, the jack truss section both ends overhanging main couple 6 that truss 7 is formed, it is arranged in parallel with moulding jack truss 7 is reinforced, end part
It is not welded and fixed with overhanging main couple 6；Truss connecting rod 1 includes that the upper lower edge for being attached reinforcement to reinforcement moulding jack truss 7 connects
Connect horizon bar 11 and upper lower edge connection reinforcement brace 16, and be set to entire truss center, by all reinforcements moulding jack truss 7 and
The main chord that light-duty moulding jack truss 2 is connected as one longitudinally links bar 12, and to the end that overhanging main couple 6 is reinforced
Elongated envelope bar 13, elongated conversion reinforcing rod 14 and overhanging bracing diagonal 15.
Upper lower edge connection horizon bar 11 is horizontal to be set under two neighboring two top booms for reinforcing moulding jack truss 7 or two
Between chord member, upper lower edge connection reinforcement brace 16 is set under the two neighboring top boom and one for reinforcing moulding jack truss 7
Between chord member；It is the continuous part for penetrating through all light-duty moulding jack truss 2 that main chord, which longitudinally links 12 both ends of bar, and centre is interruption
Part is made of several seperated bars, and seperated bar is set to adjacent two and reinforces between moulding jack truss 7；The elongated envelope bar in end 13 and logical
Long conversion reinforcing rod 14 is set to the tail end of overhanging main couple 6 in parallel, and for laterally elongated setting, two overhanging main couples 6 are connected
It is integrated and realizes the connection with laterally adjacent composite roof truss structure；Overhang bracing diagonal 15 be set to elongated conversion reinforcing rod 14 and
It positions between lattice column 3, is fixedly connected among it with the light-duty moulding jack truss 2 of process.
Such as Fig. 2, arch main couple 4 is double frame, including two disposed in parallel wind up straight-bar 42 and two lower edge arches
Bar 41, ipsilateral wind up is provided with the first vertical web rod 43 and the first diagonal web member 46 between straight-bar 42 and arch lower boom 41, on two
The horizontal brace rod 44 that winds up is set between string straight-bar 42, sets string horizontal brace rod 45 between two lower edge arch bars 41.It winds up straight
Bar 42 and lower edge arch bar 41 are spliced by multistage quarter butt.
It such as Fig. 3, positions lattice column 3 and is formed by five steel pipe combinations, whole is in rectangle, including is located in the middle head tree
31 and positioned at four corners corner post 32；In the top and bottom position of positioning lattice column 3, head tree 31 and corner post 32 it
Between, between adjacent corner post 32 be respectively arranged with horizontal cross bar 33；In the middle position of positioning lattice column 3, head tree 31 and angle
It is provided with level between column 32 and sews bar 34；Also distinguish between the middle position of head tree 31 and the top and bottom of corner post 32
Oblique bar 35 of sewing is provided with to be further strengthened.
Such as Fig. 4, moulding main couple 5 is double frame, including the two disposed in parallel compound rods 51 that wind up, and wind up compound rod
The low both sides in 51 centre are high, link 54 drawknot of bar by level between two compound rods 51 that wind up and fix, and water is arranged in middle position
Flat reinforcing rod 53 is reinforced；Wind up compound rod 51 bottom be arranged four lower booms 52, wind up with two compound rod 51 respectively
Form K shaped frame；Ipsilateral wind up sets the second vertical web rod 55 and the second diagonal web member 57 between compound rod 51 and lower boom 52；It sets parallel
54 drawknot of bar is linked by level between two lower booms 52 set to fix；Oblique reinforcing rod 56 is also set up, one end of which is fixed on
It winds up on compound rod 51, the other end is fixed on the horizontal middle position for linking bar 54 between lower boom 52.
Such as Fig. 5, overhanging main couple 6 is under double frame, including parallel arrangement of two overhanging top booms 61 and two overhangings
Chord member 62, corresponding fix in the two one end form tripod, and fixed bit installs overhanging conversion rest 67；Ipsilateral 61 He of overhanging top boom
It is provided with overhanging vertical web rod 65 and overhanging diagonal web member 66 between overhanging lower boom 62, sets the company of winding up between two overhanging top booms 61
Tie-rod 64 sets string between two overhanging lower booms 62 and links bar 63；Overhanging top boom 61 prolongs to overhanging conversion 67 side of rest
It stretches to form overhanging extension chord member 68.The elongated envelope bar 13 in end is laterally vertical at the tail end that overhanging extends chord member 68, elongated conversion
Reinforcing rod 14 is laterally set to overhanging conversion 67 position of rest.
Such as Fig. 6, the reinforcement moulding jack truss 7 is K shape monolithic truss, including box top boom 71 and the second combination lower edge
Bar 72, the seperated bar both ends that the main chord longitudinally links bar 12 are welded on the middle position of two neighboring box top boom 71；
The 4th vertical web rod 73 and the 4th diagonal web member 74 are equipped between the box top boom 71 and the second combination lower boom 72.
Such as Fig. 7, light-duty moulding jack truss 2 is K shape monolithic truss, including top boom 21 and first combines lower boom 22, on
Disconnecting among chord member 21 becomes two sections, and bar 12 is longitudinally linked for main chord and passes through and is consolidated with it；Top boom 21 and first
It combines and is equipped with third vertical web rod 23 and third diagonal web member 24 between lower boom 22.
The installation method that truss structure is reinforced in the above-mentioned recessed fish-bellied type combination of large span includes the following steps:
Step 1: preparation: carrying out material and prepare simultaneously measurement and positioning；
Step 2: installation positioning lattice column 3:
(1) tire on head tree 31 is positioned；
(2) successively assembled level sews bar 34 and oblique sew bar 35 and weld with head tree 31 from bottom to top；
(3) be successively symmetrically installed corner post 32 and successively symmetrically sew with level bar 34 and it is oblique sew bar 35 welding；
(4) horizontal cross bar 33 is installed and is welded with corner post 32；
Step 3: installation moulding main couple 5, and welded with positioning lattice column 3:
(1) the assembled upper tire of the compound rod 51 that winds up simultaneously positions；
(2) it successively assembled second vertical web rod 55, lower boom 52 and welds；
(3) it assembled second diagonal web member 57 and welds, while welding is winded up compound rod 51 and lower boom 52；
(4) successively assembled horizontal reinforcing rod 53, level link bar 54 and weld；
(5) it assembled oblique reinforcing rod 56 and welds；
Step 4: installation arch main couple 4, and welded with positioning lattice column 3:
(1) tire positions on arch lower boom 41；
The successively upper tire positioning of (2) first vertical web rods 43；
(3) tire positions and successively welds from centre to both ends the first vertical web rod 43 and arch lower boom 41 and winds up on top boom 42
42 interface of bar；
(4) it assembled first diagonal web member 46 and is welded with arch lower boom 41 and top boom 42；
(5) assembly, which is winded up, links bar 44 and lower edge links bar 45 and welds；
Step 5: installing the seperated bar for reinforcing the intermediate interruption part that moulding jack truss 7 and main chord longitudinally link bar 12 simultaneously:
(1) tire positioning on box top boom 71 is carried out first, and both ends are welded and fixed with arch main couple 4 respectively；
Tire assembly is fixed on (2) the 4th vertical web rods 73, and tire is assembled on the second combination lower boom 72, wherein box top boom 71, the
It is respectively welded between two combination lower booms 22 and the 4th vertical web rod 23；
(3) last 4th diagonal web member 74 is assembled and welds, and seperated bar both ends are respectively welded at two neighboring box top boom 71
Middle position；
Step 6: installation overhanging main couple 6:
(1) it carries out the assembled upper tire of overhanging top boom 61 and positions；
(2) assembled to overhang diagonal web member 65 and overhanging lower boom 62 and weld；
(3) assembled to overhang diagonal web member 66 and weld, while welding overhanging top boom 61 and overhanging lower boom 62；
(4) successively assembled lower edge links bar 63 and winds up and links bar 64 and weld；
(5) assembled to overhang conversion rest 67, overhanging extension chord member 68, while the elongated envelope bar 13 of mounting end and elongated conversion add
Strong bar 14 is installed simultaneously, and is welded；
Step 7: installing light-duty moulding jack truss 2 and main chord longitudinally links the continuous part at 12 both ends of bar:
(1) main chord longitudinally links bar 12 and welds respectively with light-duty moulding jack truss 2, light-duty moulding jack truss 2 and overhanging main couple 6
It connects；
(2) tire on top boom 21 is carried out first to position and longitudinally link bar 12 with main chord and be welded and fixed；
(3) tire assembly is fixed on third vertical web rod 23；
Tire is assembled on (4) first combination lower booms 22, wherein top boom 21, first combine lower boom 22 and third vertical web rod 23 it
Between be respectively welded；
(5) third diagonal web member 24 is assembled and welds；
Step 8: installing remaining truss connecting rod 1: it is included between light-duty moulding jack truss 2 and installs lower edge connection horizon bar 11,
And the installation overhanging bracing diagonal 15 between overhanging main couple 6 and positioning lattice column 3；
Step 9: truss structure is reinforced in whole quality inspection, so far, the recessed fish-bellied type combination of large span.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. truss structure is reinforced in a kind of recessed fish-bellied type combination of large span, it is characterised in that:
Including positioning lattice column (3), arch main couple (4), moulding main couple (5), reinforce moulding jack truss (7), light-duty moulding
Jack truss (2), overhanging main couple (6) and the truss connecting rod (1) between truss；
The positioning lattice column (3) totally four, vertically arranged and arrangement are in rectangle；
The arch main couple (4) totally two is distinguished longitudinal direction and is set between two positioning lattice columns (3), and both ends are respectively and fixed
Position lattice column (3) is welded and fixed；
The moulding main couple (5) totally two is distinguished laterally between two positioning lattice columns (3), and both ends are respectively and fixed
Position lattice column (3) is welded and fixed；
The positioning lattice column (3), arch main couple (4) and moulding main couple (5) are enclosed rectangular framework；
The overhanging main couple (6) totally four, the end for respectively corresponding arch main couple (4) are set to the outer of positioning lattice column (3)
Side, setting coaxial with arch main couple (4), medial end are welded and fixed with positioning lattice column (3)；
Reinforcing moulding jack truss (7) has several, laterally homogeneous to be set between two moulding main couples (5), end respectively with arch
Shape main couple (4) is welded and fixed；
The light-duty moulding jack truss (2) has several, is set to and reinforces the jack truss section both ends two that moulding jack truss (7) are formed
It between a overhanging main couple (6), is arranged in parallel with moulding jack truss (7) are reinforced, end is solid with overhanging main couple (6) welding respectively
It is fixed；
The truss connecting rod (1) includes upper lower edge connection horizon bar (11) that reinforcement is attached to reinforcement moulding jack truss (7)
With upper lower edge connection reinforcement brace (16), and it is set to entire truss center, makes all reinforcement moulding jack truss (7) with light-duty
The main chord that type jack truss (2) is connected as one longitudinally links bar (12), and to the end that overhanging main couple (6) is reinforced
Elongated envelope bar (13), elongated conversion reinforcing rod (14) and overhanging bracing diagonal (15).
2. truss structure is reinforced in the recessed fish-bellied type combination of a kind of large span according to claim 1, it is characterised in that: described
Upper lower edge connection horizon bar (11) is horizontal to be set to two neighboring two top booms or two lower booms for reinforcing moulding jack truss (7)
Between, the upper lower edge connection reinforcement brace (16) is set to the two neighboring top boom and one for reinforcing moulding jack truss (7)
Between root lower boom；It is the continuous portion for penetrating through all light-duty moulding jack truss (2) that the main chord, which longitudinally links bar (12) both ends,
Point, centre is interruption part, is made of several seperated bars, and the fission bar is set to adjacent two and reinforces between moulding jack truss (7)；
The elongated envelope bar (13) in the end tail end for being set to overhanging main couple (6) parallel with elongated conversion reinforcing rod (14) is laterally logical
Long setting, two overhanging main couples (6) are connected as one and realize the connection with laterally adjacent composite roof truss structure；It is described outstanding
Bracing diagonal (15) are chosen between elongated conversion reinforcing rod (14) and positioning lattice column (3), are made among it with the light-duty of process
Type jack truss (2) is fixedly connected.
3. truss structure is reinforced in the recessed fish-bellied type combination of a kind of large span according to claim 1, it is characterised in that: described
Positioning lattice column (3) is formed by five steel pipe combinations, and whole is in rectangle, including is located in the middle head tree (31) and is located at four
The corner post (32) in corner；In the top and bottom position of positioning lattice column (3), the head tree (31) and corner post (32) it
Between, between adjacent corner post (32) be respectively arranged with horizontal cross bar (33)；In the middle position of positioning lattice column (3), the master
It is provided with level between column (31) and corner post (32) and sews bar (34)；The middle position and angle of the head tree (31) are vertical
Oblique bar (35) of sewing is also respectively provided between the top and bottom of column (32) to be further strengthened.
4. truss structure is reinforced in the recessed fish-bellied type combination of a kind of large span according to claim 1, it is characterised in that: described
Arch main couple (4) is double frame, including two straight-bars that wind up (42) disposed in parallel and two lower edge arch bars (41) are ipsilateral
It winds up and is provided with the first vertical web rod (43) and the first diagonal web member (46) between straight-bar (42) and arch lower boom (41), two are winded up
It is set between straight-bar (42) horizontal brace rod that winds up (44), sets string horizontal brace rod (45) between two lower edge arch bars (41)；
The straight-bar that winds up (42) and lower edge arch bar (41) are spliced by multistage quarter butt.
5. truss structure is reinforced in the recessed fish-bellied type combination of a kind of large span according to claim 1, it is characterised in that: described
Moulding main couple (5) is double frame, including two compound rods that wind up (51) disposed in parallel, in the compound rod that winds up (51)
Between low both sides it is high, bar (54) drawknot is linked by level between two compound rods that wind up (51) and is fixed, middle position setting level
Reinforcing rod (53) is reinforced；Four lower booms (52) are arranged in the bottom of the compound rod that winds up (51), wind up respectively with two
Compound rod (51) forms K shaped frame；The second vertical web rod (55) and are set between the ipsilateral compound rod that winds up (51) and lower boom (52)
Two diagonal web members (57)；Bar (54) drawknot is linked by level between parallel arrangement of two lower booms (52) to fix；It also sets up tiltedly
To reinforcing rod (56), one end of which is fixed on the compound rod that winds up (51), the other end is fixed on level between lower boom (52) and links
The middle position of bar (54).
6. truss structure is reinforced in the recessed fish-bellied type combination of a kind of large span according to claim 1, it is characterised in that: described
Main couple (6) are overhang for double frame, including parallel arrangement of two overhanging top booms (61) and two overhanging lower booms (62), two
Corresponding fix in person one end forms tripod, and fixed bit installs overhanging conversion rest (67)；Ipsilateral overhanging top boom (61) and overhanging
It is provided with overhanging vertical web rod (65) and overhanging diagonal web member (66) between lower boom (62), is set between two overhanging top booms (61)
String links bar (64), sets string between two overhanging lower booms (62) and links bar (63)；The overhanging top boom (61) is to overhanging
Conversion rest (67) side extends to form overhanging and extends chord member (68).
7. truss structure is reinforced in the recessed fish-bellied type combination of a kind of large span according to claim 6, it is characterised in that: described
The elongated envelope bar (13) in end is laterally vertical at the tail end that overhanging extends chord member (68), and the elongated conversion reinforcing rod (14) is laterally
Rest (67) position is converted set on overhanging.
8. truss structure is reinforced in the recessed fish-bellied type combination of a kind of large span according to claim 1, it is characterised in that: described
Light-duty moulding jack truss (2) is K shape monolithic truss, including top boom (21) and the first combination lower boom (22), the top boom
(21) intermediate disconnect becomes two sections, and bar (12) is longitudinally linked for main chord and passes through and is consolidated with it；The top boom (21)
And first combination lower boom (22) between be equipped with third vertical web rod (23) and third diagonal web member (24).
9. truss structure is reinforced in the recessed fish-bellied type combination of a kind of large span according to claim 1, it is characterised in that: described
Reinforcing moulding jack truss (7) is K shape monolithic truss, including box top boom (71) and the second combination lower boom (72), the master
The seperated bar both ends that chord member longitudinally links bar (12) are welded on the middle position of two neighboring box top boom (71)；The box
The 4th vertical web rod (73) and the 4th diagonal web member (74) are equipped between top boom (71) and the second combination lower boom (72).
10. a kind of a kind of peace of the recessed fish-bellied type combination reinforcement truss structure of large span described in any one of claim 1-9
Dress method, which comprises the steps of:
Step 1: preparation: carrying out material and prepare simultaneously measurement and positioning；
Step 2: installation positioning lattice column (3): first positioning tire on head tree (31), successively assembled level is sewed from bottom to top
Bar (34) and it is oblique sew bar (35) and with head tree (31) weld, be then successively symmetrically installed corner post (32) and successively symmetrically with
Level sews bar (34) and oblique sew bar (35) are welded；Horizontal cross bar (33) are finally installed and are welded with corner post (32)；
Step 3: installation moulding main couple (5), and welded with positioning lattice column (3): will wind up compound rod (51) spelling first
It loads onto tire and positions, successively assembled second vertical web rod (55), lower boom (52) and weld, then assembled second diagonal web member (57) is simultaneously
Welding, while welding is winded up compound rod (51) and lower boom (52), finally successively assembled horizontal reinforcing rod (53), level link bar
(54) it and welds, assembled oblique reinforcing rod (56) is simultaneously welded；
Step 4: installation arch main couple (4), and welded with positioning lattice column (3): it first will be on arch lower boom (41)
Tire positioning, the first vertical web rod (43) successively upper tire positioning, then tire is positioned and is successively welded from centre to both ends on top boom (42)
Connect the first vertical web rod (43) and arch lower boom (41) and top boom (42) interface, assembled first diagonal web member (46) and under arch
Chord member (41) and top boom (42) welding, assembly, which is winded up, links bar (44) and lower edge links bar (45) and welds；
Reinforce moulding jack truss (7) and main chord and longitudinally link the intermediate interruption part of bar (12) to divide Step 5: installing simultaneously
Body rod: tire positioning first in progress box top boom (71), both ends are welded and fixed with arch main couple (4) respectively, and then the 4th
Tire assembly is fixed on vertical web rod (73), and tire is assembled in the second combination lower boom (72), wherein box top boom (71), the second combination
It is respectively welded between lower boom (22) and the 4th vertical web rod (23), last 4th diagonal web member (74) is assembled and welds, seperated bar two
End is respectively welded at the middle position of two neighboring box top boom (71)；
Step 6: installation overhanging main couple (6): tire in overhanging top boom (61) assembly is carried out first and is positioned, it is successively assembled outstanding
It chooses diagonal web member (65) and overhanging lower boom (62) and welds, it is then assembled to overhang diagonal web member (66) and weld, while welding overhanging
Top boom (61) and overhanging lower boom (62)；Last successively assembled lower edge, which links bar (63) and winds up, to be linked bar (64) and welds,
Successively assembled overhanging conversion rest (67), overhanging extend chord member (68), while the elongated envelope bar (13) of mounting end and elongated conversion
Reinforcing rod (14) is installed simultaneously, and is welded；
Step 7: installing light-duty moulding jack truss (2) and main chord longitudinally links the continuous part at bar (12) both ends: main chord is vertical
It is respectively welded to bar (12) is linked with light-duty moulding jack truss (2), light-duty moulding jack truss (2) and overhanging main couple (6)；First
Tire positions and longitudinally links bar (12) with main chord and is welded and fixed in progress top boom (21), then tire on third vertical web rod (23)
Assembly is fixed, and tire is assembled in the first combination lower boom (22), and wherein top boom (21), the first combination lower boom (22) and third are straight
Web member is respectively welded between (23), and last third diagonal web member (24) is assembled and welds；
Step 8: installing remaining truss connecting rod (1): being included between light-duty moulding jack truss (2) and install lower edge connection level
Bar (11), and installation overhanging bracing diagonal (15) between overhanging main couple (6) and positioning lattice column (3)；
Step 9: whole quality inspection, so far, the recessed fish-bellied type combination of large span are reinforced truss structure and are completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367173.1A CN109235769B (en) | 2018-11-16 | 2018-11-16 | Large-span concave fish belly type combined reinforced truss structure and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367173.1A CN109235769B (en) | 2018-11-16 | 2018-11-16 | Large-span concave fish belly type combined reinforced truss structure and installation method thereof |
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| Publication Number | Publication Date |
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| CN109235769A true CN109235769A (en) | 2019-01-18 |
| CN109235769B CN109235769B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424811A (en) * | 2020-04-30 | 2020-07-17 | 陕西建工集团股份有限公司 | Steel frame structure of greenhouse |
| JP2021006690A (en) * | 2019-06-28 | 2021-01-21 | 日鉄エンジニアリング株式会社 | Roof, roof design method, and roof design device |
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| CN2532176Y (en) * | 2002-03-22 | 2003-01-22 | 李川东 | Fish stomach shape steel truss |
| CN104533017A (en) * | 2014-12-12 | 2015-04-22 | 苏州工业园区设计研究院股份有限公司 | Fish belly type longspan vierendeel truss structure |
| CN204558892U (en) * | 2015-04-29 | 2015-08-12 | 山东电力工程咨询院有限公司 | The truss beam structure that a kind of band is encorbelmented |
| CN105625578A (en) * | 2016-02-05 | 2016-06-01 | 中国航空规划设计研究总院有限公司 | Giant pre-stressed string structure suitable for enclosing super-long-span coal yard and construction method |
| CN105735129A (en) * | 2016-02-26 | 2016-07-06 | 江苏中铁山桥重工有限公司 | Full-welding truss section modularized splicing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2532176Y (en) * | 2002-03-22 | 2003-01-22 | 李川东 | Fish stomach shape steel truss |
| CN104533017A (en) * | 2014-12-12 | 2015-04-22 | 苏州工业园区设计研究院股份有限公司 | Fish belly type longspan vierendeel truss structure |
| CN204558892U (en) * | 2015-04-29 | 2015-08-12 | 山东电力工程咨询院有限公司 | The truss beam structure that a kind of band is encorbelmented |
| CN105625578A (en) * | 2016-02-05 | 2016-06-01 | 中国航空规划设计研究总院有限公司 | Giant pre-stressed string structure suitable for enclosing super-long-span coal yard and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021006690A (en) * | 2019-06-28 | 2021-01-21 | 日鉄エンジニアリング株式会社 | Roof, roof design method, and roof design device |
| CN111424811A (en) * | 2020-04-30 | 2020-07-17 | 陕西建工集团股份有限公司 | Steel frame structure of greenhouse |
| CN111424811B (en) * | 2020-04-30 | 2024-04-16 | 陕西建工集团股份有限公司 | Greenhouse steel frame structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109235769B (en) | 2023-06-20 |
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