CN203846391U - Footbridge with pull-out and compression resistant support structures - Google Patents

Footbridge with pull-out and compression resistant support structures Download PDF

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Publication number
CN203846391U
CN203846391U CN201420182526.1U CN201420182526U CN203846391U CN 203846391 U CN203846391 U CN 203846391U CN 201420182526 U CN201420182526 U CN 201420182526U CN 203846391 U CN203846391 U CN 203846391U
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China
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resistant
chord
pontic
pulling
pressure
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CN201420182526.1U
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Chinese (zh)
Inventor
刘志宏
赵洋
郭铭德
黄泽珍
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Guangzhou Design Institute
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Guangzhou Design Institute
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Abstract

The utility model relates to a footbridge with pull-out and compression resistant support structures. The footbridge comprises a bridge body and bridge piles. The footbridge is characterized in that the bridge body is fixedly connected with the bridge piles through the pull-out and compression resistant support structures respectively; every pull-out and compression resistant support structure comprises a fixed steel part, a chord leveling part and a connection flexible part; the fixed steel parts are arranged on the bridge piles respectively; the chord leveling parts are fixed on the bottom surface of the bridge body; two grooves are formed in every fixed steel part and the corresponding chord leveling part respectively; every connection flexible part is an I-shaped embedded module; the upper end of every connection flexible part is embedded into the groove of the corresponding chord leveling part and the lower end of the connection flexible part is embedded into the groove of the corresponding fixed steel part to form a snapping flexible connection structure; every pull-out and compression resistant support structure is formed at the position of a joint of the bridge body and the corresponding bridge pile through the corresponding snapping flexible connection structure. The footbridge with the pull-out and compression resistant support structures is good in tensile property, compression resistance, pull-out resistance, overturning resistance and the like.

Description

A kind of pedestrian overcrossing with pulling-resistant and pressure-resistant seat structure
Technical field
The utility model relates to a kind of pedestrian overcrossing, particularly in a kind of pedestrian overcrossing with pulling-resistant and pressure-resistant seat structure.Belong to municipal engineering and urban operating mechanism technical field.
Background technology
Along with development and the construction in city, between building, design is set up vestibule, is absolutely necessary across the construction of street pedestrian overcrossing.But the pedestrian overcrossing of prior art, syndeton between bridge floor and bridge pier, mostly adopt steel plate and the combination of mixed earth directly to connect and compose, this kind of syndeton is owing to not possessing resistance to plucking and compression-resistant structure, therefore there is the poor defect of antidetonation, tension and anti-pressure ability, easily produce the aspect problems such as existing pontic bearing topples.
Utility model content
The utility model, in order to solve antidetonation, tension, resistance to compression, resistance to plucking or the poor problem of overturning or slip resistance analysis performance of existing pedestrian overcrossing, provides a kind of pedestrian overcrossing with pulling-resistant and pressure-resistant seat structure.This pedestrian overcrossing is novel, design is unique, has the advantages such as antidetonation, tension, resistance to compression, resistance to plucking and overturning or slip resistance analysis.
The purpose of this utility model can be by taking following technical scheme to reach:
A kind of pedestrian overcrossing with pulling-resistant and pressure-resistant seat structure, comprise pontic and bridge pier, described pontic is fixedly connected with bridge pier by pulling-resistant and pressure-resistant seat structure, described pulling-resistant and pressure-resistant seat structure comprises fixing steel part, chord member leveling part be connected movable part, described fixing steel part is fixed on bridge pier, chord member leveling part is fixed on the bottom surface of pontic, in described fixing steel part and chord member leveling part, a groove is respectively set, described connection movable part is " work " font merge module, the upper end that connects movable part embeds in the groove of chord member leveling part, lower end embeds in the groove of fixing steel part, form biting connecions movable connection structure, form pulling-resistant and pressure-resistant seat structure by this biting connecions movable connection structure in the junction of pontic and bridge pier.
The purpose of this utility model can also be by taking following technical scheme to reach:
A kind of embodiment of the present utility model is: the horizontal section of described connection movable part is circular or square, connection movable part is movably arranged in groove and is connected with fixing steel part and chord member leveling part formation biting connecions, leave a gap at the place of being connected, this gap includes gap between groove and the active connection of gap between groove and the active connection of fixing steel part, chord member leveling part and the gap between fixing steel part and chord member leveling part, makes to form between pontic and bridge pier the occlusion structure connected mode of working in coordination that can be offset.
A kind of embodiment of the present utility model is: connect on movable part and be provided with a deep-slotted chip breaker, an elastic supporting block is set in deep-slotted chip breaker, chord member leveling part passes through this elastic supporting block and is connected movable part Elastic Contact, to reduce the hard contact between pontic and bridge pier.
A kind of embodiment of the present utility model is: described pontic comprises truss, and this truss is arranged on pulling-resistant and pressure-resistant bearing, and the lower chord of truss bottom is welded on the chord member leveling part of pulling-resistant and pressure-resistant bearing, forms the supporter of pontic together with bridge pier; Respectively extend the access bridge perpendicular or parallel with pontic at pontic two ends, the planar shaped of pedestrian overcrossing is "T"-shaped; Pontic is provided with awning, and the both sides of pontic are provided with guardrail and flower groove.
A kind of embodiment of the present utility model is: described pontic includes truss, and this truss is arranged on pulling-resistant and pressure-resistant bearing, and specifically truss utilizes lower chord to be welded on the chord member leveling board of pulling-resistant and pressure-resistant bearing.
A kind of embodiment of the present utility model is: described groove is T-slot or dovetail groove.
A kind of embodiment of the present utility model is: described pedestrian overcrossing two ends are respectively arranged with the access bridge perpendicular or parallel with pontic.
A kind of embodiment of the present utility model is: described fixing steel part, chord member leveling part and be connected movable part and be respectively made up of a steel plate.
The utlity model has following outstanding technique effect:
1, the utility model adopts resistance to compression mode tensile supporting seat that steel truss pedestrian overcrossing is fixed on bridge pier, the flexible connection piece of resistance to compression mode tensile supporting seat coordinates employing " work " font merge module to be biting connecions with the groove of fixing steel part and chord member leveling board with fixing steel part and chord member leveling board and is connected, form pulling-resistant and pressure-resistant syndeton, can effectively prevent pontic slippage, topple, there is the beneficial effects such as antidetonation, tension, resistance to compression, resistance to plucking and overturning or slip resistance analysis.
2, resistance to compression mode tensile supporting seat of the present utility model adopts and is flexibly connected the flexible connection of piece groove, between connection, be provided with gap, make pontic and bridge pier form movable being fixed, in the time that pontic bears gravity, can produce skew with gravity, thereby greatly improved the tension function of pontic.
3, resistance to compression mode tensile supporting seat of the present utility model uses flexible rest pad, avoids pontic to produce firmly and contact in the time bearing gravity with bridge pier, thereby effectively raises the anti-pressure ability of pontic.
4, pedestrian overcrossing of the present utility model has the outstanding performances such as good tension, resistance to compression, resistance to plucking or overturning or slip resistance analysis, ensures the reliability and stability of overline bridge performance.
Brief description of the drawings
Fig. 1 is the front view of utility model pedestrian overcrossing.
Fig. 2 is the top view of utility model pedestrian overcrossing.
Fig. 3 is the A-A sectional drawing of Fig. 1.
Fig. 4 is the structural representation of utility model resistance to compression mode tensile supporting seat.
The L1-L1 sectional view of this Fig. 4 of Fig. 5.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Specific embodiment 1:
Referring to figs. 1 through a kind of pedestrian overcrossing with pulling-resistant and pressure-resistant seat structure described in Fig. 4, comprise pontic 1 and bridge pier 2, described pontic 1 is fixedly connected with bridge pier 2 by pulling-resistant and pressure-resistant seat structure 3, described pulling-resistant and pressure-resistant seat structure 3 comprises fixing steel part 4, chord member leveling part 5 be connected movable part 6, described fixing steel part 4 is fixed on bridge pier 2, chord member leveling part 5 is fixed on the bottom surface of pontic 1, in described fixing steel part 4 and chord member leveling part 5, a groove 7 is respectively set, described connection movable part 6 is " work " font merge module (as the L1-L1 of Fig. 4 analyses and observe as shown in direction), the upper end that connects movable part 6 embeds in the groove 7 of chord member leveling part 5, lower end embeds in the groove 7 of fixing steel part 4, form biting connecions movable connection structure, form pulling-resistant and pressure-resistant seat structure by this biting connecions movable connection structure in the junction of pontic 1 and bridge pier 2.
In specific embodiment,
Horizontal section circle or square (as the L2-L2 of Fig. 4 analyses and observe as shown in direction) of described connection movable part 6, connecting movable part 6 is movably arranged on and in groove 7, forms biting connecions with fixing steel part 4 and chord member leveling part 5 and be connected, leave a gap at the place of being connected, this gap includes gap 51 between groove and the active connection 6 of gap 41 between groove and the active connection 6 of fixing steel part 4, chord member leveling part 5 and the gap 61 between fixing steel part 4 and chord member leveling part 5, makes the occlusion structure connected mode of working in coordination that between pontic 1 and bridge pier 2, formation can be offset.Connect on movable part 6 and be provided with a deep-slotted chip breaker 8, one elastic supporting block 9 is set in deep-slotted chip breaker 8, chord member leveling part 5 is by this elastic supporting block 9 and be connected movable part 6 Elastic Contact, to reduce the hard contact between pontic 1 and bridge pier 2, plays better shockproof, tension and resistance to compression function.Described pontic 1 comprises truss 10, and this truss 10 is arranged on pulling-resistant and pressure-resistant bearing 3, and the lower chord 11 of truss 10 bottoms is welded on the chord member leveling part 5 of pulling-resistant and pressure-resistant bearing 3, forms the supporter of pontic 1 together with bridge pier 2; Respectively extend the access bridge 12 perpendicular or parallel with pontic 1 at pontic 1 two ends, the planar shaped of pedestrian overcrossing is "T"-shaped; Pontic 1 is provided with awning 13, and the both sides of pontic 1 are provided with guardrail 14 and flower groove 15.
Described pontic 1 includes truss 10, and this truss 10 is arranged on pulling-resistant and pressure-resistant bearing 3, and specifically truss 10 utilizes lower chord 11 to be welded on the chord member leveling board 5 of pulling-resistant and pressure-resistant bearing 3.Described groove 7 be T-slot or.Described pedestrian overcrossing two ends are respectively arranged with the access bridge 12 perpendicular or parallel with pontic 1.Described fixing steel part 4, chord member leveling part 5 and be connected movable part 6 and respectively formed by a steel plate.
When concrete enforcement: first, described bridge pier 2 bases adopt to revolve digs castinplace pile enforcement; Secondly, the fixing steel part 4 of pulling-resistant and pressure-resistant bearing 3 be welded in advance on the reinforcing bar on bridge pier 2, be fixed and with bridge pier 2 one, fix steel part 4 and be embedded in bridge pier 2 with reinforcing bar one; Then, connection movable block 6 lower ends of " work " font are arranged on the groove 7 of fixing steel part 4, the groove of its installation also can be welded on fixing steel part 4 both sides with two thick right angle steel plates of 30mm and form, that is: directly weld at connection movable block 6 both sides assigned addresses with the thick right angle steel plate of 30mm, one side of right angle steel plate is welded on fixing steel part 4, and " work " font chimb 17 that compresses connection movable block 6 on one side will connect movable block 6 to be fixed; Again, utilize groove 7 to be arranged on chord member leveling board 5 and connect movable block 6 upper ends, adjust position, make fixing steel part 4 and chord member leveling board 5 between movable block 6, be reserved with certain gap with being connected; Finally, chord member leveling board 5 is welded on the lower chord 11 of pontic 1, completes and be connected and fixed.
Specific embodiment 2:
The feature of the utility model specific embodiment 2 is: described groove 7 is dovetail groove, its " work " font merge module of connection movable part 6 of corresponding installation place be arranged to the shape matching with dovetail groove.All the other are with specific embodiment 1.

Claims (8)

1. one kind has the pedestrian overcrossing of pulling-resistant and pressure-resistant seat structure, comprise pontic (1) and bridge pier (2), it is characterized in that: described pontic (1) is fixedly connected with bridge pier (2) by pulling-resistant and pressure-resistant seat structure (3), described pulling-resistant and pressure-resistant seat structure (3) comprises fixing steel part (4), chord member leveling part (5) be connected movable part (6), described fixing steel part (4) is fixed on bridge pier (2), chord member leveling part (5) is fixed on the bottom surface of pontic (1), in described fixing steel part (4) and chord member leveling part (5), a groove (7) is respectively set, described connection movable part (6) is " work " font merge module, the upper end that connects movable part (6) embeds in the groove (7) of chord member leveling part (5), lower end embeds in the groove (7) of fixing steel part (4), form biting connecions movable connection structure, form pulling-resistant and pressure-resistant seat structure by this biting connecions movable connection structure in the junction of pontic (1) and bridge pier (2).
2. a kind of pedestrian overcrossing with pulling-resistant and pressure-resistant seat structure according to claim 1, it is characterized in that: the horizontal section of described connection movable part (6) is circular or square, connection movable part (6) is movably arranged in groove (7) and is connected with fixing steel part (4) and chord member leveling part (5) formation biting connecions, leave a gap at the place of being connected, this gap includes the gap (41) between groove and the active connection (6) of fixing steel part (4), gap (61) between gap (51) between the groove of chord member leveling part (5) and active connection (6) and fixing steel part (4) and chord member leveling part (5), make the occlusion structure connected mode of working in coordination that between pontic (1) and bridge pier (2), formation can be offset.
3. a kind of pedestrian overcrossing with pulling-resistant and pressure-resistant seat structure according to claim 1 and 2, it is characterized in that: connect on movable part (6) and be provided with a deep-slotted chip breaker (8), one elastic supporting block (9) is set in deep-slotted chip breaker (8), chord member leveling part (5) passes through this elastic supporting block (9) and is connected movable part (6) Elastic Contact, to reduce the hard contact between pontic (1) and bridge pier (2).
4. a kind of pedestrian overcrossing with pulling-resistant and pressure-resistant seat structure according to claim 1 and 2, it is characterized in that: described pontic (1) comprises truss (10), this truss (10) is arranged on pulling-resistant and pressure-resistant bearing (3), the lower chord (11) that is truss (10) bottom is welded on the chord member leveling part (5) of pulling-resistant and pressure-resistant bearing (3), forms the supporter of pontic (1) together with bridge pier (2); Respectively extend the access bridge (12) perpendicular or parallel with pontic (1) at pontic (1) two ends, the planar shaped of pedestrian overcrossing is "T"-shaped; Pontic (1) is provided with awning (13), and the both sides of pontic (1) are provided with guardrail (14) and flower groove (15).
5. a kind of pedestrian overcrossing with pulling-resistant and pressure-resistant seat structure according to claim 4, it is characterized in that: described pontic (1) includes truss (10), it is upper that this truss (10) is arranged on pulling-resistant and pressure-resistant bearing (3), and specifically truss (10) utilizes lower chord (11) to be welded on the chord member leveling board (5) of pulling-resistant and pressure-resistant bearing (3).
6. a kind of pedestrian overcrossing with pulling-resistant and pressure-resistant seat structure according to claim 1 and 2, is characterized in that: described groove (7) is T-slot or dovetail groove.
7. a kind of pedestrian overcrossing with pulling-resistant and pressure-resistant seat structure according to claim 1 and 2, is characterized in that: described pedestrian overcrossing two ends are respectively arranged with the access bridge (12) perpendicular or parallel with pontic (1).
8. a kind of pedestrian overcrossing with pulling-resistant and pressure-resistant seat structure according to claim 1 and 2, is characterized in that: described fixing steel part (4), chord member leveling part (5) and be connected movable part (6) and be respectively made up of a steel plate.
CN201420182526.1U 2014-04-15 2014-04-15 Footbridge with pull-out and compression resistant support structures Active CN203846391U (en)

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Application Number Priority Date Filing Date Title
CN201420182526.1U CN203846391U (en) 2014-04-15 2014-04-15 Footbridge with pull-out and compression resistant support structures

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

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103882805A (en) * 2014-04-15 2014-06-25 广州市设计院 Pedestrian overcrossing with pulling and crushing resistant support structure
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103882805A (en) * 2014-04-15 2014-06-25 广州市设计院 Pedestrian overcrossing with pulling and crushing resistant support structure
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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