CN208379415U - A kind of truss-type bridges system of truss-rope composite construction - Google Patents
A kind of truss-type bridges system of truss-rope composite construction Download PDFInfo
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- CN208379415U CN208379415U CN201820797926.1U CN201820797926U CN208379415U CN 208379415 U CN208379415 U CN 208379415U CN 201820797926 U CN201820797926 U CN 201820797926U CN 208379415 U CN208379415 U CN 208379415U
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- truss
- light steel
- pavement
- cable wire
- composite construction
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Abstract
The utility model discloses a kind of truss-rope composite construction truss-type bridges systems, including light steel bridge skeleton, the support of the light steel bridge skeleton bottom is set by the support of several bottom linkers, the light steel bridge skeleton includes by the light steel handrail truss of cold bending thin wall light section assembly, light steel pavement truss, the light steel handrail truss is symmetrically fixed on the light steel pavement truss two sides, the light steel handrail truss it is upper, it is evenly spaced apart to be provided with several cable wires along its length between lower boom, the cable wire both ends are separately fixed at the upper of the light steel handrail truss, on lower boom, the preformed hole of correspondence web member of the cable wire middle part across light steel pavement truss is simultaneously relatively fixed.The utility model stability is high, more convenient in terms of the more compact reliable, maintenance of overall structure, simply, construction safety, good economy performance.
Description
Technical field
The utility model belongs to technical field of buildings more particularly to a kind of truss-rope composite construction truss-type bridges system.
Background technique
Steel structure bridge is very wide in China's foot bridge field application, and the development trend of modern foot bridge is towards new knot
Structure, new technology, develops as the direction for moulding urban landscape factor new material, and traditional steel structure bridge is primarily present following
Some problems:
1. steel box-girder overpass deck-molding is higher, two sides ladder access is too long；
2. aluminum alloy materials material price is high, and elasticity modulus is only the one third of steel, is widely applied by one
Definite limitation；
Bring uncertainty, the extension of construction period and building waste 3. cast in situs is constructed.
Current lightweight steel construction both domestic and external is mainly used in industrial premises, in public building, seldom in foot bridge construction
It uses, existing steel construction foot bridge uses common iron mostly, and there are also very big blank for research of the light steel in foot bridge field.
And the light steel bridge of same type on the market now, there are the problem of have:
1. site operation is complicated；
2. junction structural stability cannot be guaranteed；
3. not considering that installing the loads factors such as eccentric force brought by placement error influences.
In this context, it proposes to use light gauge cold-formed steel shape as the material of foot bridge construction usage, establishing one kind can be with
The people's row truss-type bridges for meeting fabricated requirement assembled at the scene, but following deficiency is found to have in concrete practice:
1, lateral rigidity is insufficient, will appear people in actual use to lateral loads such as handrail thrust, wind loads, influences truss
The using effect of bridge；
2, torsional rigidity is insufficient, when structure disturbs, easily causes rod piece unstability.
Utility model content
The purpose of this utility model is in view of the above shortcomings of the prior art, to provide one kind convenient for construction, make full use of material
Material, environmentally protective, truss-rope composite structural truss pontic system of torsion resistant and bending resistant excellent in mechanical performance.
The technical scheme adopted by the utility model is
A kind of truss-type bridges system of truss-rope composite construction, including light steel bridge skeleton, supported by several bottom linkers
The support of the light steel bridge skeleton bottom is set, and the light steel bridge skeleton includes being helped by the light steel of cold bending thin wall light section assembly
Hand truss, light steel pavement truss, the light steel handrail truss are symmetrically fixed on the light steel pavement truss two sides, the light steel
It is evenly spaced apart to be provided with several cable wires along its length between the upper and lower chord member of handrail truss, the cable wire both ends are solid respectively
It is scheduled on the upper and lower chord member of the light steel handrail truss, the pre- of the correspondence web member of light steel pavement truss is passed through in the middle part of the cable wire
It boxes out and relatively fixed.
Further, protection block is fixedly installed on the inside of the light steel handrail truss.
Further, the protection block is tempered glass protective layer, and the tempered glass protective layer passes through glass clamp
Tool is fixed on the web member of the light steel handrail truss.
Further, the upper and lower chord member and web member of the light steel handrail truss and light steel pavement truss pass through high-strength
Bolt is successively assembled into single truss structure structure.
Further, each chord member and web member of the light steel handrail truss and light steel pavement truss are by several sub bar parts
It is successively assembled by casing and high-strength bolt.
Further, the light upper and lower chord member of steel handrail truss is arranged at intervals with several for pacifying along its length
The top boom of steel loading rope reserves cable wire hole and lower boom reserves cable wire hole, and the both ends correspondence of the web member of the light steel pavement truss is set
It is equipped with web member two sides cable wire preformed hole.
Further, the edge of a wing is logical on the inside of the web member of the chord member web of the light steel pavement truss and the light steel handrail truss
High-strength bolt is crossed to be fixedly connected.
Further, the wirerope U-shaped that the cable wire corresponds to the preformed hole two sides of web member by being located at light steel pavement truss
It latches relatively fixed with the preformed hole.
Further, the bottom linker includes top plate, the side plate for vertically connecting described top plate one side, symmetrically connects
Connecing the triangle otic placode for being set to the top plate and side plate two sides, the another side of the side plate is provided with lower turnover panel, the top plate,
Mounting hole is respectively arranged in side plate and lower turnover panel.
Further, the support includes several support devices, the support device include from top to bottom according to
The ring flange support of secondary connection, independent ring flange support foot and rotation stake ring flange support, the ring flange support with it is described under turn over
Plate is fixedly connected by high-strength bolt.
Compared with prior art, the utility model has the following beneficial effects:
1) the truss-type bridges system combination truss structure and Cable Structure, especially promotion lateral stability and overall stability, bridge
Body anti-twisting property is improved, and vertical deflection and lateral deflection reduce, and fundamental frequency improves, the frequency far from people's row, and then promote people
Row comfort；
2) truss element uses light gauge cold-formed steel shape, and web member both ends nest into chord member groove, and string web member uses between the edge of a wing
High-strength bolt connection, chord member are spliced by multistage chord member part, and splicing position uses casing connection, and suspended-cable structure connects handrail purlin
Frame and pavement truss fully utilize the tensile capacity of Cable Structure, promote the lateral stability of handrail truss, overall structure is more
It is compact, reliable；
3) ring flange support, excellent in stability are used, when in-site installation can use simple and mechanical and manually by truss-type bridges
It is lifted to predetermined altitude again to fix support foot, safe and convenient.
4) overall structure is by being made prefabricated components in factory, then transports to construction site and carry out assembled, effectively reduces existing
The uncertainty of field difficulty of construction and site operation；When installation, minority can be fully relied under conditions of no heavy mechanical equipment
Manpower Fast Installation, installation difficulty is low, meets fabricated requirement, and component and fitting is widely used, so that truss-type bridges is in maintenance side
Face is more convenient, simply, construction safety, good economy performance.
Detailed description of the invention
Fig. 1 is truss-type bridges system (being free of independent ring flange support foot) schematic three dimensional views of the utility model embodiment；
Fig. 2 is truss-type bridges system (being free of independent ring flange support foot) side view of the utility model embodiment；
Fig. 3 is the handrail truss front view of the utility model embodiment；
Fig. 4 is the handrail truss top-bottom chord reserving hole position view of the utility model embodiment；
Fig. 5 is the pavement truss top view of the utility model embodiment；
Fig. 6 is the casing joints schematic diagram of the utility model embodiment；
Fig. 7 is the bottom linker schematic diagram of the utility model embodiment；
Fig. 8 is the ring flange support schematic diagram of the utility model embodiment；
Fig. 9 is the monolithic tempered glass and glass fixture schematic diagram of the utility model embodiment.
In figure: the light steel handrail truss of 1-；The light steel pavement truss of 2-；3- pavement chord member of truss；4- web member；5- cable wire；6- steel
Change glassivation；7- glass fixture；8- glass fixture preformed hole；9- reserves cable wire hole；10- reserves cable wire hole；11- web member two
Side cable wire preformed hole；12- casing；13- web connects preformed hole；The edge of a wing 14- connects preformed hole；15- bottom linker；The top 16-
Plate；17- side plate；18- otic placode；19- lower turnover panel；20- independence ring flange support foot；21- rotates stake ring flange support；22- ring flange
Support.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description, embodiment is not gone to live in the household of one's in-laws on getting married one by one herein
It states, but the applicability of the utility model is not limited to following embodiment.
As shown in Figure 1 and Figure 2, a kind of truss-rope composite construction truss-type bridges system, including light steel bridge skeleton, by several
Bottom linker 15 supports the support that the light steel bridge skeleton bottom is arranged in, and the light steel bridge skeleton includes by Q235 type clod wash
Light steel handrail truss 1, the light steel pavement truss 2 of light-gauge steel section assembly, the light steel handrail truss 1 are symmetrically fixed on described light
2 two sides of steel pavement truss, if being evenly spaced apart to be provided with along its length between the upper and lower chord member of the light steel handrail truss 1
Dry cable wire 5,5 both ends of cable wire are separately fixed on the upper and lower chord member of the light steel handrail truss 1, wear in the middle part of the cable wire 5
Kick the beam the preformed hole of correspondence web member 4 of steel pavement truss 2 and relatively fixed, wherein the cable wire 5, which passes through, is located at light steel pavement purlin
The wirerope U-shaped buckle of the preformed hole two sides of the corresponding web member 4 of frame 2 and the preformed hole are relatively fixed.
As shown in Fig. 2, being fixedly installed protection block on the inside of the light steel handrail truss 1, the protection block is steel
Change glassivation 6, the tempered glass protective layer 6 is fixed on the abdomen of the light steel handrail truss 1 by glass fixture 7
On bar 4.Reserved glass fixture hole is set on the web member 4 of the light steel handrail truss 1, and the tempered glass protective layer 6 makes
Tempered glass monolithic having a size of 1600mm*1000mm, thickness 10mm, by the glass fixtures 7 of four stainless steel materials with
The web member 4 of the light steel handrail truss 1 is connected, 7 center of glass fixture of upside two and top boom web top surface distance
For 200mm, the chord member top flange distance of the glass fixture center of downside two and light steel pavement truss 2 is 180mm, tempering glass
6 medial surface of glass protective layer and light 1 inside interplanar distance of steel handrail truss are 100mm.
As shown in figure 3, the upper and lower chord member and web member 4 of the light steel handrail truss 1 and light steel pavement truss 2 pass through
High-strength bolt is successively assembled into single truss structure structure.Wherein, the light steel handrail truss 1 and light steel pavement truss 2 is upper and lower
Chord member and web member 4 are successively assembled by casing 12 and high-strength bolt by several sub bar parts, such as string of light steel handrail truss 1
Top boom in bar 3 successively uses casing 12 to connect by 1.5a chord member, 2a chord member, 1a chord member, 2a chord member and 1.5a chord member, lower edge
Bar is connected by 1.5a chord member, 2a chord member, 2a chord member, 1.5a chord member using casing 12, the above 1a, 1.5a, and 2a rod piece is upper lower edge
Bar uses three kinds of models of rod piece, and respectively indicating length is 1600mm, the rod piece of 2400mm, 3200mm, in light steel handrail truss 1
Glass fixture preformed hole 8 is set, and respectively one preformed hole of setting, position of opening are located at web member web, preformed hole to every about 4 web member
Diameter is 18mm, and 7 center of glass fixture of upside two and top boom web top surface distance are 200mm, the glass of downside two
7 center of fixture and light 2 chord member top flange of steel pavement truss distance are 180mm.
As shown in figure 4, the upper and lower chord member of light steel handrail truss 1 is arranged at intervals with several be used for along its length
The reserved cable wire hole 9 of the top boom of installation cable wire 5 and the reserved cable wire hole 10 of lower boom, the two of the web member 4 of the light steel pavement truss 2
End is correspondingly arranged on web member two sides cable wire preformed hole 11.Top boom reserves cable wire hole 9, lower boom reserves 10 diameter of cable wire hole and is
Two top booms of 20mm, spacing 85mm reserve cable wire hole 9 or lower boom to reserve cable wire hole 10 be a pair of of preformed hole, adjacent two pairs
The reserved pitch of holes 1515mm.
As shown in figure 5, the chord member 3 of the light steel pavement truss 2 successively uses casing 12 to connect by 4 sections of 2a sub bar parts, institute
The web member 4 for stating light steel pavement truss 2 directly bears Pedestrian Load in actual use, passes through high-strength bolt phase with both sides chord member
Even, the 4 inside edge of a wing of web member of the chord member web of the light steel pavement truss 2 and the light steel handrail truss 1 passes through high-strength bolt
It is fixedly connected.11 central point of web member two sides cable wire preformed hole and adjacent chord member 3 on the web member 4 of the light steel pavement truss 2
Outside interplanar distance is 100mm, and cable wire preformed hole 11 diameter in web member two sides is 18mm.
As shown in fig. 6, described sleeve pipe 12 is the component for connecting each sub bar part, cross section is in square groove shape and is provided with web company
Preformed hole 13, edge of a wing connection preformed hole 14 are connect, 12 web of described sleeve pipe is having a size of 74mm, and chord member web is having a size of 80mm, casing
12 are nested in two sections of chord members, and the web connection preformed hole 13, edge of a wing connection preformed hole 14 are aligned reserved on chord member respectively
Hole is connected using high-strength bolt.
As shown in fig. 7, the bottom linker 15 includes top plate 16, the side plate for vertically connecting described 16 one side of top plate
17, it is symmetrically connected in the triangle otic placode 18 of 17 two sides of the top plate 16 and side plate, the another side of the side plate 17 is set
It is equipped with lower turnover panel 19, mounting hole is respectively arranged in the top plate 16, side plate 17 and lower turnover panel 19, the side 17 passes through bolt
The web member 4 of light steel handrail truss 1 is connected, the web member 4 of the light steel pavement truss 2 is bolted in the top margin 16.
As shown in figure 8, the support includes several support devices, each support device include from top to bottom according to
The ring flange support 22 of secondary connection, independent ring flange support foot 20 and rotation stake ring flange support 21, the ring flange support 22 with
The lower turnover panel 19 is fixedly connected by high-strength bolt.
As shown in figure 9, the glass fixture needs basis when being connected with tempered glass protective layer 6 using stainless steel material
Connection request aperture on tempered glass protective layer 6 of specific glass fixture, glass fixture 7 pass through set hole and clamp tempering
Glassivation 6 reuses glass cement and handles connection gap.
In the construction process, each rod piece, cable wire, glass are produced in factory, assembled after transport to construction site
At truss-rope composite structural truss bridge.
On-site consolidation process is as follows:
1, individual sub bar part as shown in figs. 3 and 5, is assembled into single truss structure by casing 12 and high-strength bolt, is obtained
The light steel handrail truss 1 and light steel pavement truss 2 connects the light steel handrail truss 1 and light steel pavement truss 2, group
At light steel bridge skeleton, bottom linker 15 is connected to light 2 lower section of steel pavement truss, later by the web member 4 of light steel handrail truss 1 with
The chord member connection of light steel pavement truss 2, the top plate 16 of bottom linker 15, side plate 17 are separately connected light steel pavement purlin by bolt
The web member 4 of the web member 4 of frame 2 and light steel handrail truss 1, the mounting flange support 22 in lower turnover panel 19；
2, when spelling group cable wire 5, diameter 15mm cable wire is reserved into cable wire hole 9 from upper from the top boom of light steel handrail truss 1 and
Under penetrate, across the web member two sides cable wire preformed hole 11 of light steel pavement truss 2, the lower boom for reconnecting light steel handrail truss 1 is pre-
Cable wire hole 10 is stayed, as a unit, 5 both ends of cable wire are free state in every unit, using steel bushing to the freedom of cable wire 5
End is fixed.Then the glass fixture 7 is connect with glass fixture preformed hole 8, the other end connects tempered glass protective layer 6.
3, when lifting construction, interim mast-up first is bundled in truss-type bridges, pontic is sling into certain altitude using machinery, is made
Independent ring flange support foot 20 can vertically be fallen, manually adjust independent ring flange support foot 20 and be directed at screw pile axis to position,
Subsequent artificial lift independence ring flange support foot 20, moves independent ring flange support foot 20 to designated position while pontic falls,
Connect when to proper height with rotation stake ring flange support 21, remove mast-up, the lifting for completing single span truss-type bridges operates.
In the present embodiment, the truss-rope composite construction truss-type bridges system improves the lateral stability of light steel foot bridge,
The bonding strength and people's row comfort of junction are improved simultaneously, construction is simple is easily installed, and it is beautiful and generous, meet assembled
Whole require.
The above embodiments of the present invention is merely examples for clearly illustrating the present invention, and is not
Limitations of the embodiments of the present invention.For those of ordinary skill in the art, on above explained basis
On can also make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.
Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in this reality
Within novel scope of protection of the claims.
Claims (10)
1. a kind of truss-rope composite construction truss-type bridges system, it is characterised in that: including light steel bridge skeleton, pass through several bottoms
Connector (15) supports the support that the light steel bridge skeleton bottom is arranged in, and the light steel bridge skeleton includes light-duty by cold bending thin wall
Light steel handrail truss (1), the light steel pavement truss (2) of steel assembly, the light steel handrail truss (1) are symmetrically fixed on described light
Steel pavement truss (2) two sides are evenly spaced apart to be arranged along its length between the upper and lower chord member of the light steel handrail truss (1)
Have several cable wires (5), cable wire (5) both ends are separately fixed on the upper and lower chord member of the light steel handrail truss (1), described
The preformed hole of the correspondence web member (4) of light steel pavement truss (2) and relatively fixed is passed through in the middle part of cable wire (5).
2. truss according to claim 1-rope composite construction truss-type bridges system, it is characterised in that: the light steel is helped
Protection block is fixedly installed on the inside of hand truss (1).
3. truss according to claim 2-rope composite construction truss-type bridges system, it is characterised in that: the protection block
For tempered glass protective layer (6), the tempered glass protective layer (6) is fixed on the light steel by glass fixture (7) and helps
On the web member (4) of hand truss (1).
4. truss according to claim 1-rope composite construction truss-type bridges system, it is characterised in that: the light steel is helped
The upper and lower chord member and web member (4) of hand truss (1) and light steel pavement truss (2) are successively assembled into single purlin Pin by high-strength bolt
Frame structure.
5. truss according to claim 4-rope composite construction truss-type bridges system, it is characterised in that: the light steel is helped
Each chord member and web member (4) of hand truss (1) and light steel pavement truss (2) pass through casing (12) and high-strength spiral shell by several sub bar parts
Bolt is successively assembled.
6. truss according to claim 1-rope composite construction truss-type bridges system, it is characterised in that: the light steel is helped
The upper and lower chord member of hand truss (1) is arranged at intervals with several top booms for installing cable wire (5) along its length and reserves cable wire hole
(9) and lower boom reserves cable wire hole (10), and the both ends of the web member (4) of the light steel pavement truss (2) are correspondingly arranged on web member two
Side cable wire preformed hole (11).
7. truss according to claim 1-rope composite construction truss-type bridges system, it is characterised in that: the light steel pavement
The chord member web of truss (2) is fixedly connected with the edge of a wing on the inside of the web member (4) of the light steel handrail truss (1) by high-strength bolt.
8. truss according to claim 1-rope composite construction truss-type bridges system, it is characterised in that: the cable wire (5) is logical
The wirerope U-shaped buckle for crossing the preformed hole two sides positioned at light steel pavement truss (2) corresponding web member (4) is opposite with the preformed hole solid
It is fixed.
9. truss according to claim 1-rope composite construction truss-type bridges system, it is characterised in that: the bottom connects
Fitting (15) include top plate (16), the side plate (17) for vertically connecting the top plate (16) one side, be symmetrically connected in it is described
The another side of the triangle otic placode (18) of top plate (16) and side plate (17) two sides, the side plate (17) is provided with lower turnover panel (19),
Mounting hole is respectively arranged in the top plate (16), side plate (17) and lower turnover panel (19).
10. truss according to claim 9-rope composite construction truss-type bridges system, it is characterised in that: the support packet
Several support devices are included, each support device includes from top to bottom sequentially connected ring flange support (22), independent method
Blue disk support foot (20) and rotation stake ring flange support (21), the ring flange support (22) pass through high-strength with the lower turnover panel (19)
Bolt is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820797926.1U CN208379415U (en) | 2018-05-28 | 2018-05-28 | A kind of truss-type bridges system of truss-rope composite construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820797926.1U CN208379415U (en) | 2018-05-28 | 2018-05-28 | A kind of truss-type bridges system of truss-rope composite construction |
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| Publication Number | Publication Date |
|---|---|
| CN208379415U true CN208379415U (en) | 2019-01-15 |
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ID=64972127
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820797926.1U Expired - Fee Related CN208379415U (en) | 2018-05-28 | 2018-05-28 | A kind of truss-type bridges system of truss-rope composite construction |
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| Country | Link |
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| CN (1) | CN208379415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457167A (en) * | 2018-05-28 | 2018-08-28 | 华南理工大学 | A kind of truss-type bridges system of truss-rope composite construction |
-
2018
- 2018-05-28 CN CN201820797926.1U patent/CN208379415U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457167A (en) * | 2018-05-28 | 2018-08-28 | 华南理工大学 | A kind of truss-type bridges system of truss-rope composite construction |
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