CN109610299A - A kind of base rack of steel structure bridge - Google Patents
A kind of base rack of steel structure bridge Download PDFInfo
- Publication number
- CN109610299A CN109610299A CN201811512558.2A CN201811512558A CN109610299A CN 109610299 A CN109610299 A CN 109610299A CN 201811512558 A CN201811512558 A CN 201811512558A CN 109610299 A CN109610299 A CN 109610299A
- Authority
- CN
- China
- Prior art keywords
- plate
- horizon bar
- middle plate
- shaped frame
- crossbeam
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of base rack of steel structure bridge, including rack body, the rack body includes the E cross-beam of character form of two mirror symmetries setting, by equal intervals and horizontally disposed having many horizon bars being fixed on crossbeam between crossbeam；The crossbeam includes top plate, middle plate and the lower plywood for being arranged in parallel and being connected by main board, and the horizon bar is fixed on top plate and the direct main board of middle plate；The middle plate is provided with auxiliary support mechanism immediately below setting horizon bar, the auxiliary support mechanism includes the V-shaped frame being hingedly arranged, one end of the V-shaped frame is arranged in below the middle plate of face horizon bar, and the other end is arranged in below the secondary beam for connecting all horizon bars.The present invention improves stability and the safety of steel construction bridge surface armor plate case, improves its support force by the change of structure and adding for mechanism.
Description
Technical field
The present invention relates to steel structure bridges, refer specifically to a kind of base rack of steel structure bridge.
Background technique
The structure that steel construction is made of steel material is one of main building construction types.Structure is mainly by fashioned iron
With the components composition such as joist steel, steel column, steel truss made of steel plate etc., and using silanization, pure manganese phosphatization, washing drying, zinc-plated
Equal derusting rust-proofings technique.Weld seam, bolt or rivet interlacement are generallyd use between each component or component.Because its self weight is lighter, and apply
Work is easy, is widely used in the fields such as large-sized workshop, venue, Super High.The characteristics of steel is that intensity is high, rigid from heavy and light, entirety
Spend, deformability it is strong, therefore for building large span and the building of superelevation, superduty is particularly suitable；Material homogeneity and each
It is good to the same sex, belong to perfect elastic body, is best suitable for the basic assumption of common engineering mechanics；Material plasticity, good toughness can have larger change
Shape can bear dynamic load well；Construction period is short；Its industrialization degree is high, can carry out the high specialization of mechanization degree
Production.
Now much mainly positioned by bridge bracket using structure steel fabrication at road overline bridge, footbridge etc.
And fixation, horizon bar is installed by spacing between the crossbeam of bridge floor two sides, bridge surface armor plate is then laid on horizon bar, and pass through
Screw and the mode of welding are fixed on horizon bar.The receiving of the connection of bridge floor, fixation and power is totally absorbed in bridge floor steel
Plate surrounding fixed crossbeam and horizon bar, and most importantly all endurance largely act on horizon bar and crossbeam
Junction.This is just big to the rigidity of horizon bar and intensity requirement.Furthermore the middle position of bridge surface armor plate is relative to its support of surrounding
Power is small, and the too stingy pad of steel plate just increases the problem of there is high-risk and high maintenances, and steel plate is too big and is easy because among it
Position easily causes the harm such as recess without enough support forces.Therefore above-mentioned technical problem of the present invention grinds steel structure bridge
Study carefully and improves.
Summary of the invention
In view of the above-mentioned problems of the prior art, the invention reside in provide a kind of base rack of steel structure bridge, energy
It is enough effectively to solve the above-mentioned problems of the prior art.
The technical scheme is that
A kind of base rack of steel structure bridge, including rack body, the rack body include the E of two mirror symmetries setting
Cross-beam of character form, by equal intervals and horizontally disposed having many horizon bars being fixed on crossbeam between crossbeam；The crossbeam includes flat
Top plate, middle plate and the lower plywood row setting and connected by main board, the horizon bar are fixed in positioned at top plate and middle layer
On the direct main board of plate；The middle plate is provided with auxiliary support mechanism, the auxiliary immediately below setting horizon bar
Supporting mechanism includes the V-shaped frame being hingedly arranged, and one end of the V-shaped frame is arranged under the middle plate of face horizon bar
Side, the other end are arranged in below the secondary beam for connecting all horizon bars.
The V-shaped frame is hingedly arranged on the same horizontal axis, and the horizontal axis both ends are respectively and fixedly connected on rack body.
The fixed plate of fixed horizontal axis is separately provided between the middle plate and lower plywood in the two sides of V-shaped frame.
The horizon bar includes the main supporting rod of convex shape structure, and the main supporting rod is symmetrically affixed in the two sides of its convex portion
It is provided with auxiliary stay, the upper surface of the auxiliary stay and the upper surface of main supporting rod convex portion are in same level.
Advantages of the present invention:
The present invention is according to setting V hinged immediately below the crossbeam for acting on support level bar of the interaction of power, conversion and decomposition
The downward gravity of horizon bar and the pressure born are converted to the support force of the other end to horizon bar by V-shaped frame by shaped frame
Middle section is supported, so that stress be avoided to concentrate on the both ends of horizon bar；Again by main supporting rod by convex shape structure and
The auxiliary stay that two sides are symmetrically fixed combines the horizon bar of setting to be supported steel construction bridge surface armor plate, expands support bridge surface armor plate
Stress surface and fixed position area, change that traditional bridge surface armor plate surrounding is fixed and the structure of stress, and then avoid bridge floor steel
The problem that stress is big and support force is small among plate improves support force, stability and the safety of bridge surface armor plate installation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the expansion schematic diagram of V-shaped frame of the present invention.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, existing that embodiment combination attached drawing is further detailed to structure work of the invention
Thin description:
With reference to Fig. 1-2, a kind of base rack of steel structure bridge, including rack body, the rack body include two mirror images
Symmetrically arranged E cross-beam of character form 1, by equal intervals and horizontally disposed having many horizon bars 2 being fixed on crossbeam 1 between crossbeam 1；
The crossbeam 1 includes top plate 11, middle plate 12 and the lower plywood 13 for being arranged in parallel and being connected by main board 14, the horizon bar
2 are fixed on top plate 11 and the direct main board 14 of middle plate 12；The middle plate 12 setting horizon bar 2 just under
Side is provided with auxiliary support mechanism, and the auxiliary support mechanism includes the V-shaped frame 3 being hingedly arranged, the V-shaped frame 3
One end be arranged in below the middle plate 12 of face horizon bar 2, the other end is arranged under the secondary beam 4 for connecting all horizon bars 2
Side；The V-shaped frame 3 is hinged to be arranged on the same horizontal axis 5, and 5 both ends of horizontal axis are respectively and fixedly connected on rack body；Institute
It states and is separately provided for the fixed plate 15 of fixed horizontal axis 5 in the two sides of V-shaped frame 3 between middle plate 12 and lower plywood 13；Institute
The main supporting rod 21 that horizon bar 2 includes convex shape structure is stated, the main supporting rod 21 is in the symmetrically affixed setting of the two sides of its convex portion
There is auxiliary stay 22, the upper surface of the auxiliary stay 22 and the upper surface of 21 convex portion of main supporting rod are in same level, and main
Strut 21 and the auxiliary stay 22 of two sides are structure as a whole.Bridge surface armor plate placement is fixed on horizon bar 2, passes through 21 protrusion of main supporting rod
Part and 22 3 upper surfaces of auxiliary stay are supported and fix.
The present invention sets E-shaped structure for traditional crossbeam 1 and is used for adding and installing for structure, auxiliary by what is added
Supporting mechanism is helped to carry out Auxiliary support to the part of stress placed in the middle, and according to the effect of the interaction of power, conversion and decomposition,
Using the V-shaped frame 3 being hingedly the arranged support force that one end is upward by the downward gravity turn other end, and then to level
The position of 2 endpoint front end of bar is supported upwards, and then disperses to fall to concentrate on the stress at 2 both ends of horizon bar；And by multiple
Auxiliary support mechanism acts on a secondary beam 4, then is acted on by secondary beam 4 more horizon bars 2, also improves the firm of base's bracket
Property.The auxiliary stay 22 that traditional horizon bar 2 is set as the main supporting rod 21 of convex shape structure and two sides are symmetrically fixed is combined again and is set
The structure set by stress surface and fixes position expansion, changes the fixed structure with stress of traditional bridge surface armor plate surrounding, and then avoid
The problem that stress is big and support force is small among bridge surface armor plate improves support force, stability and the safety of bridge surface armor plate installation.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, all should belong to covering scope of the invention.
Claims (4)
1. a kind of base rack of steel structure bridge, including rack body, it is characterised in that: the rack body includes two mirrors
As symmetrically arranged E cross-beam of character form, by equal intervals and horizontally disposed having many horizon bars being fixed on crossbeam between crossbeam；Institute
Stating crossbeam includes top plate, middle plate and the lower plywood for being arranged in parallel and being connected by main board, and the horizon bar, which is fixed in, to be located at
On top plate and the direct main board of middle plate；The middle plate is provided with Auxiliary support machine immediately below setting horizon bar
Structure, the auxiliary support mechanism include the V-shaped frame being hingedly arranged, and one end of the V-shaped frame is arranged in face horizon bar
Middle plate below, the other end is arranged in below the secondary beam for connecting all horizon bars.
2. a kind of base rack of steel structure bridge according to claim 1, it is characterised in that: the V-shaped frame is cut with scissors
It connects and is arranged on the same horizontal axis, the horizontal axis both ends are respectively and fixedly connected on rack body.
3. a kind of base rack of steel structure bridge according to claim 2, it is characterised in that: the middle plate and lower layer
The fixed plate of fixed horizontal axis is separately provided between plate in the two sides of V-shaped frame.
4. a kind of base rack of steel structure bridge according to claim 1 or 3, it is characterised in that: the horizon bar packet
The main supporting rod of the structure containing convex shape, the main supporting rod the two sides of its convex portion it is symmetrical it is affixed be provided with auxiliary stay, it is described auxiliary
The upper surface of stay and the upper surface of main supporting rod convex portion are in same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811512558.2A CN109610299A (en) | 2018-12-11 | 2018-12-11 | A kind of base rack of steel structure bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811512558.2A CN109610299A (en) | 2018-12-11 | 2018-12-11 | A kind of base rack of steel structure bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109610299A true CN109610299A (en) | 2019-04-12 |
Family
ID=66007795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811512558.2A Pending CN109610299A (en) | 2018-12-11 | 2018-12-11 | A kind of base rack of steel structure bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109610299A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827082A (en) * | 2020-06-22 | 2020-10-27 | 上海绿地建设(集团)有限公司 | Steel structure special-shaped overbridge and installation method |
-
2018
- 2018-12-11 CN CN201811512558.2A patent/CN109610299A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827082A (en) * | 2020-06-22 | 2020-10-27 | 上海绿地建设(集团)有限公司 | Steel structure special-shaped overbridge and installation method |
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