CN206356798U - A kind of underframe of welded steel bridge roof beam structure - Google Patents
A kind of underframe of welded steel bridge roof beam structure Download PDFInfo
- Publication number
- CN206356798U CN206356798U CN201621413685.3U CN201621413685U CN206356798U CN 206356798 U CN206356798 U CN 206356798U CN 201621413685 U CN201621413685 U CN 201621413685U CN 206356798 U CN206356798 U CN 206356798U
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- China
- Prior art keywords
- crossbeam
- underframe
- arched girder
- steel bridge
- fixed
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Abstract
The utility model discloses a kind of underframe of welded steel bridge roof beam structure, solve the problem of typical brace frame is not firm enough, its drip irrigation device is, including multiple support body frames for being supported in steel bridge roof beam structure, the support body frame includes crossbeam, arched girder and support component, the upper surface of the crossbeam fits in the lower surface of steel bridge roof beam structure, the lower surface of crossbeam is fixed on the top of the arched girder, ground is fixed at the two ends of the arched girder, the support component is supported between the lower surface of crossbeam and the upper surface of arched girder, reaches the purpose of the underframe securely.
Description
Technical field
The utility model is related to structural steelwork technical field, more particularly to a kind of underframe of welded steel bridge roof beam structure.
Background technology
With continuing to develop for science and technology, traffic also becomes more and more convenient.Either train, automobile, bus or ground
The traveling of iron, all be unable to do without bridge.In the process of construction of bridge, the main body of bridge mainly by steel bridge roof beam structure and is poured in girder steel
The concrete of crane span structure is made, and thus girder steel crane span structure is made that contribution difficult to the appraisal to the stable and firm of bridge.Thereby, it is ensured that steel
The quality of bridge frame is very important key technology.Steel bridge roof beam structure is mainly welded by the crisscross steel plate of polylith,
, it is necessary to which external welding in being carried out to each junction between adjacent steel plate, steel is ensured with this during making steel bridge roof beam structure
The sound construction of bridge frame.Therefore, it is necessary for staff's wound for the steel bridge roof beam structure that build is huge and weight is huge
Make the construction environment for being easy to welding and safety.
The Chinese invention patent for now retrieving a Publication No. CN104014970A discloses a kind of adjustable steel knot
Structure Site Welding support frame, is indulged by Site Welding support frame, the laterally adjustable guide rail of Site Welding support frame, Site Welding support frame
Constituted to adjustable gib；Wherein, Site Welding support frame is oblique by Site Welding support frame movable support, Site Welding support frame
Support is constituted with Site Welding support frame column；The laterally adjustable guide rail of Site Welding support frame is laterally led by Site Welding support frame
Beam-and-rail is constituted with the laterally adjustable guide rail guide block of Site Welding support frame.
But, this support frame is applied in the steel bridge roof beam structure huge with making build, and its structure for sliding connection is reduced
The fastness of support frame, it is difficult to support build huge and steel bridge roof beam structure that weight is huge, with larger potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of underframe of welded steel bridge roof beam structure, has the advantages that securely.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of welded steel bridge roof beam structure
Underframe, including multiple support body frames for being supported in steel bridge roof beam structure, the support body frame include crossbeam, arched girder and support group
Part, the upper surface of the crossbeam fits in the lower surface of steel bridge roof beam structure, and the lower surface of crossbeam, institute are fixed in the top of the arched girder
Ground is fixed at the two ends for stating arched girder, and the support component is supported between the lower surface of crossbeam and the upper surface of arched girder.
By using above-mentioned technical proposal, when the underframe support is in the steel bridge roof beam structure that build is huge and weight is huge,
Steel bridge roof beam structure is on pressure transmission to the arched girder of crossbeam, arched girder has the advantages that to prevent stress concentration, and then arched girder can be born
Bigger pressure, so that the underframe has the advantages that securely；Support component is supported between crossbeam and arched girder simultaneously, enters one
Step adds the structural strength of support body frame, effectively increases the securely property of the underframe.
Further setting of the present utility model, described two end faces of arched girder are respectively and fixedly provided with for increase and contact area of ground
Extended surface plate.
By using above-mentioned technical proposal, the contact area on extended surface plate increase arched girder and ground, in the gravity of steel bridge roof beam structure
Under effect, the connection between arched girder and ground is more firm, further increases the securely property of the underframe.
Further setting of the present utility model, the extended surface plate is fixed on ground by expansion bolt, and the extended surface plate is opened
There is the through hole run through for expansion bolt.
By using above-mentioned technical proposal, expansion bolt is embedded on the ground, then the through hole of extended surface plate is packed into expanding screw
The part that bolt elevates above the soil, then the nut of expansion bolt is screwed, to realize the firm connection of extended surface plate and ground, further increase
The securely property of the underframe.
Further setting of the present utility model, the support component includes multigroup Curved beam being arranged symmetrically, the arc
The lower surface of crossbeam is fixed in the upper surface of beam, and the upper surface of arched girder is fixed in the lower end of the Curved beam.
By using above-mentioned technical proposal, Curved beam is securely supported between crossbeam and arched girder, the warp architecture of Curved beam
Have the advantages that to prevent stress concentration, and then Curved beam is not easily broken when by larger pressure, further increases the branch
The structural strength of body frame is supportted, the securely property of the underframe is effectively increased.
It is of the present utility model it is further set, it is first oblique that the support component also includes being supported between adjacent Curved beam
Curved beam upper end and the junction of crossbeam are fixed in beam, the upper end of first cant beam, and the lower end of first cant beam is fixed on
Another Curved beam lower end and the junction of arched girder.
By using above-mentioned technical proposal, the first cant beam is securely supported between adjacent Curved beam, while on Curved beam
The junction of end and the junction of crossbeam, another Curved beam lower end and arched girder further increases the support by reinforcement effect
The structural strength of body frame, effectively increases the securely property of the underframe.
Further setting of the present utility model, the support component also second including being supported between crossbeam and arched girder is oblique
Curved beam upper end and the junction of crossbeam are fixed in beam, the upper end of second cant beam, and the lower end of second cant beam is fixed on
The upper surface of arched girder.
By using above-mentioned technical proposal, the second cant beam is securely supported between crossbeam and arched girder, meanwhile, the second cant beam pair
Curved beam upper end and the junction of crossbeam also have reinforcement effect, further increase the structural strength of the support body frame, effectively
Add the securely property of the underframe.
Further setting of the present utility model, the support component is arranged vertically including many and is supported in crossbeam and arched girder
Between vertical beam, the upper end of the vertical beam is fixed on the lower surface of crossbeam, and the upper surface of arched girder is fixed in the lower end of the vertical beam.
By using above-mentioned technical proposal, many vertical beams are securely supported between crossbeam and arched girder, are conducive to Steel Bridge
The weight of frame is uniformly transferred to arched girder, is conducive to increasing the structural strength of the support body frame, is effectively increased the peace of the underframe
Full fastness.
It is of the present utility model it is further set, it is the 3rd oblique that the support component also includes being supported between adjacent vertical beam
Vertical beam upper end and the junction of crossbeam are fixed in beam, the upper end of the 3rd cant beam, and the lower end of the 3rd cant beam is fixed on separately
One vertical beam lower end and the junction of arched girder.
By using above-mentioned technical proposal, the 3rd cant beam is securely supported between adjacent Curved beam, while to vertical beam upper end
The junction of junction, another vertical beam lower end and arched girder with crossbeam further increases the support body frame by reinforcement effect
Structural strength, effectively increase the securely property of the underframe.
Connect solid by being fixed on the longeron of support component between further setting of the present utility model, the support body frame
It is fixed.
By using above-mentioned technical proposal, each independent support body frame is securely attached to together by longeron, further
Effectively prevent from arbitrarily moving between support body frame, further increase the securely property of the underframe.
Further setting of the present utility model, the crossbeam is made up of I-steel.
By using above-mentioned technical proposal, I-steel has the advantages that the edge of a wing is wide and lateral rigidity is big, and then crossbeam can be with
Bigger pressure is born, also with preferably bending resistance, stronger is supported in that build is huge and weight is huge to realize
Steel bridge roof beam structure, further increase the securely property of the underframe.
In summary, the utility model has the advantages that：Compared with common supporting construction, the underframe makes non-
It is often simple；Meanwhile, the component units support body frame of underframe has preferably securely property, then will support master with tie-beam in itself
Frame links into an integrated entity, and further increases the fastness of underframe.Generally speaking the utility model, sound construction is easy to make, tool
There is higher security.
Brief description of the drawings
Fig. 1 is the position relationship schematic diagram of embodiment 1 and steel bridge roof beam structure；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is the annexation schematic diagram of the middle cross beam of embodiment 2, arched girder and support component, and which part support body frame is not
Show.
Reference：1st, crossbeam；2nd, arched girder；3rd, support component；31st, Curved beam；32nd, the first cant beam；33rd, the second cant beam；
34th, vertical beam；35th, the 3rd cant beam；4th, extended surface plate；41st, through hole；5th, longeron；6th, steel bridge roof beam structure.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Embodiment 1：A kind of underframe of welded steel bridge roof beam structure, as shown in figure 1, steel bridge roof beam structure 6 by the underframe support in
Ground, the underframe includes multiple support body frames being vertically on ground, and adjacent support body frame is arranged in parallel, and passes through two
The longeron 5 of vertical equity arrangement is connected, and two longerons 5 are located at the both sides of the underframe respectively, and then longeron 5 is only by each
Vertical support body frame is securely attached to together, is effectively prevented from arbitrarily moving between support body frame, is further increased the underframe
Securely property.
Body frame is supported to include a horizontally disposed crossbeam 1 and the arched girder 2 positioned at the lower section of crossbeam 1, the upper surface patch of crossbeam 1
Together in the lower surface of steel bridge roof beam structure 6, the top of arched girder 2 contacts at the lower surface of crossbeam 1 and by being welded and fixed.
Crossbeam 1 is made up of I-steel, and I-steel has the advantages that the edge of a wing is wide and lateral rigidity is big, and then crossbeam 1 can be held
By bigger pressure, also with preferably bending resistance, stronger it is supported in that build is huge and weight is huge to realize
Steel bridge roof beam structure 6, further increases the securely property of the underframe.
Supported and be further connected by support component 3 between crossbeam 1 and arched girder 2, longeron 5 is welded in each support group
On part 3.
As shown in Fig. 2 two end faces of arched girder 2 are welded with the extended surface plate 4 of rectangular shape, the increase He of arched girder 2 of extended surface plate 4
The contact area on ground, under the Action of Gravity Field of steel bridge roof beam structure 6, the connection between arched girder 2 and ground is more firm, further increases
The securely property of the underframe is added.
Extended surface plate 4 crosses four expansion bolts and is fixed on ground, and four expansion bolts are located at the corner of extended surface plate 4 respectively, and
Extended surface plate 4 is provided with the through hole 41 passed through for expansion bolt, is embedded to expansion bolt on the ground, then by 41 sets of the through hole of extended surface plate 4
Enter the part that expansion bolt elevates above the soil, then screw the nut of expansion bolt, to realize the firm connection of extended surface plate 4 and ground,
Further increase the securely property of the underframe.
Support component 3 includes two groups relative to the Curved beam 31 that arched girder 2 is arranged symmetrically, the first cant beam 32 and the second cant beam
33, the upper surface of Curved beam 31 is welded in the lower surface of crossbeam 1, and the lower end of Curved beam 31 is welded in the upper surface of arched girder 2, with reality
Existing Curved beam 31 is securely supported between crossbeam 1 and arched girder 2；First cant beam 32 is securely supported between adjacent Curved beam 31, the
The upper end of one cant beam 32 is welded in the junction of the upper end of Curved beam 31 and crossbeam 1, and the lower end of the first cant beam 32 is welded in another arc
The lower end of ellbeam 31 and the junction of arched girder 2；Second cant beam 33 is securely supported between crossbeam 1 and arched girder 2, the second cant beam 33 it is upper
End is welded in the junction of the upper end of Curved beam 31 and crossbeam 1, and the lower end of the second cant beam 33 is welded in the upper surface of arched girder 2.It is this
Structure adds the structural strength of the support body frame, effectively increases the securely property of the underframe.
Make and install the process of the underframe：Extended surface plate 4 is welded in the lower surface of arched girder 2, then the top of arched girder 2 is welded
Be connected to the lower surface of crossbeam 1, then by Curved beam 31, the first cant beam 32 and the second cant beam 33 be welded in successively crossbeam 1 and arched girder 2 it
Between after, you can complete the making of support body frame, then multigroup support body frame be placed on ground, by expansion bolt by extended surface plate 4
Be firmly attached to ground, and by longeron 5 be welded in Curved beam 31, the lower end of 2 and first cant beam of arched girder 32 junction, you can it is quick
Complete the making and installation of underframe.
Embodiment 2：A kind of underframe for being used to make steel bridge roof beam structure, is with the difference of embodiment 1, as shown in figure 3,
Support component 3 includes the six roots of sensation vertical beam 34 arranged vertically and the 3rd cant beam 35 being supported between adjacent vertical beam 34, vertical beam 34
Upper end is welded in the lower surface of crossbeam 1, and the lower end of vertical beam 34 is welded in the upper surface of arched girder 2, the upper end welding of the 3rd cant beam 35
In the upper end of vertical beam 34 and the junction of crossbeam 1, the lower end of the 3rd cant beam 35 is welded in the connection of another lower end of vertical beam 34 and arched girder 2
Place.Such a structure increases the structural strength of the support body frame, the securely property of the underframe is effectively increased.
Longeron 5 in Fig. 1 is welded in the junction of vertical beam 34, arched girder 2 and the lower end of the 3rd cant beam 35, to realize that each is supported
Firmly connected between body frame.
Claims (10)
1. a kind of underframe of welded steel bridge roof beam structure, it is characterised in that including multiple support body frames for being supported in steel bridge roof beam structure, institute
Stating support body frame includes crossbeam (1), arched girder (2) and support component (3), and the upper surface of the crossbeam (1) fits in Steel Bridge
The lower surface of crossbeam (1) is fixed on the lower surface of frame, the top of the arched girder (2), and ground is fixed in the two ends of the arched girder (2)
Face, the support component (3) is supported between the upper surface of the lower surface of crossbeam (1) and arched girder (2).
2. a kind of underframe of welded steel bridge roof beam structure according to claim 1, it is characterised in that the arched girder (2) two
End face is respectively and fixedly provided with for increasing the extended surface plate (4) with contact area of ground.
3. the underframe of a kind of welded steel bridge roof beam structure according to claim 2, it is characterised in that the extended surface plate (4) is led to
Cross expansion bolt and be fixed on ground, the extended surface plate (4) is provided with the through hole (41) run through for expansion bolt.
4. a kind of underframe of welded steel bridge roof beam structure according to claim 1, it is characterised in that the support component (3)
Including multigroup Curved beam (31) being arranged symmetrically, the lower surface of crossbeam (1) is fixed in the upper surface of the Curved beam (31), described
The upper surface of arched girder (2) is fixed in the lower end of Curved beam (31).
5. a kind of underframe of welded steel bridge roof beam structure according to claim 4, it is characterised in that the support component (3)
Also include the first cant beam (32) being supported between adjacent Curved beam (31), arc is fixed in the upper end of first cant beam (32)
Beam (31) upper end and the junction of crossbeam (1), the lower end of first cant beam (32) be fixed on another Curved beam (31) lower end and
The junction of arched girder (2).
6. a kind of underframe of welded steel bridge roof beam structure according to claim 5, it is characterised in that the support component (3)
Also include the second cant beam (33) being supported between crossbeam (1) and arched girder (2), arc is fixed in the upper end of second cant beam (33)
The upper surface of arched girder (2) is fixed in ellbeam (31) upper end and the junction of crossbeam (1), the lower end of second cant beam (33).
7. a kind of underframe of welded steel bridge roof beam structure according to claim 1, it is characterised in that the support component (3)
Arranged vertically including many and be supported in the vertical beam (34) between crossbeam (1) and arched girder (2), the upper end of the vertical beam (34) is fixed
The upper surface of arched girder (2) is fixed in lower surface in crossbeam (1), the lower end of the vertical beam (34).
8. a kind of underframe of welded steel bridge roof beam structure according to claim 7, it is characterised in that the support component (3)
Also include the 3rd cant beam (35) being supported between adjacent vertical beam (34), vertical beam is fixed in the upper end of the 3rd cant beam (35)
(34) upper end and the junction of crossbeam (1), another vertical beam (34) lower end and arched girder are fixed in the lower end of the 3rd cant beam (35)
(2) junction.
9. the underframe of a kind of welded steel bridge roof beam structure according to claim 1, it is characterised in that between the support body frame
It is connected by the longeron (5) for being fixed on support component (3).
10. the underframe of a kind of welded steel bridge roof beam structure according to claim 1, it is characterised in that the crossbeam (1) is by work
Word steel is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621413685.3U CN206356798U (en) | 2016-12-21 | 2016-12-21 | A kind of underframe of welded steel bridge roof beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621413685.3U CN206356798U (en) | 2016-12-21 | 2016-12-21 | A kind of underframe of welded steel bridge roof beam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206356798U true CN206356798U (en) | 2017-07-28 |
Family
ID=59374766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621413685.3U Expired - Fee Related CN206356798U (en) | 2016-12-21 | 2016-12-21 | A kind of underframe of welded steel bridge roof beam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206356798U (en) |
-
2016
- 2016-12-21 CN CN201621413685.3U patent/CN206356798U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20181221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |