CN213173314U - Energy-consuming and beam-falling preventing device for metal pipe for railway bridge - Google Patents
Energy-consuming and beam-falling preventing device for metal pipe for railway bridge Download PDFInfo
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- CN213173314U CN213173314U CN202021827365.9U CN202021827365U CN213173314U CN 213173314 U CN213173314 U CN 213173314U CN 202021827365 U CN202021827365 U CN 202021827365U CN 213173314 U CN213173314 U CN 213173314U
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Abstract
The utility model discloses a beam device is prevented falling in tubular metal resonator power consumption for railway bridges contains the bottom plate, be equipped with the spacing groove on the bottom plate, the limiting groove is equipped with the power consumption subassembly, the power consumption subassembly contains the tubular metal resonator of a plurality of interconnect, vertical setting is all followed to the tubular metal resonator, the one end of power consumption subassembly connect in the tip one of spacing groove, the other end connect in the movable component, the movable component with the interval of the tip two of spacing groove is adjustable. The device has scientific and simple structural design, convenient processing and convenient installation, adopts the cross section direction of the metal pipe as the tension-compression deformation energy dissipation direction, is favorable for improving the stability of deformation, ensures the effectiveness of continuous energy dissipation, can obviously improve the anti-seismic performance of the anti-falling beam to the bridge structure, protects the bridge structure from earthquake damage, and is beneficial to restoration after earthquake.
Description
Technical Field
The utility model relates to a roof beam power consumption technical field is prevented falling by the bridge, in particular to roof beam device is prevented falling in tubular metal resonator power consumption for railway bridges.
Background
The bridge limiting device is a key structure of bridge structure seismic resistance and is mainly used for preventing a beam from falling caused by overlarge relative displacement of an upper structure and a lower structure, so that the beam falling prevention device is generally adopted in bridge engineering of a seismic region.
The anti-falling device for the highway bridge in China in the prior art generally adopts concrete stop blocks, high-strength steel pull rods, high-strength steel cables and the like, and the anti-falling device for the railway bridge generally adopts various stop block forms formed by processing based on I-shaped steel, is lack of buffering capacity, cannot dissipate energy through self deformation, often needs to be provided with energy dissipation devices such as other dampers and the like independently to dissipate seismic energy, leads to increase of engineering cost, needs to design and place space for the energy dissipation devices independently, and is poor in adaptability of a high-intensity seismic area. And few power consumption and the power consumption stop device that prevents the roof beam combination that falls also have and adopt the buckled plate as power consumption component, but in order to adapt to less installation space, the ripple amplitude of buckled plate is limited, combines the self shape of buckled plate, and in practical application process, the buckled plate shape can take place great change after once drawing and pressing the deformation, is difficult to continuously effectively exert the power consumption effect under the earthquake effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome current bridge power consumption stop device and adopt the buckled plate to exist as the power consumption component above-mentioned not enough, provide a beam device is prevented falling in tubular metal resonator power consumption for railway bridges.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a railway is tubular metal resonator power consumption beam device that falls, contains the bottom plate, be equipped with the spacing groove on the bottom plate, the limiting groove is equipped with power consumption subassembly, power consumption subassembly contains a plurality of interconnect's tubular metal resonator, the tubular metal resonator is all along vertical setting, power consumption subassembly one end connect in the tip one of spacing groove, the other end connect in the movable member, the movable member with the interval of the tip two of spacing groove is adjustable.
When the movable member is used, the movable member is used for connecting a beam body, the bottom plate is used for connecting a pier, or the movable member is used for connecting the pier, and the bottom plate is used for connecting the beam body, so that the beam falling can be prevented in the energy consumption process.
Adopt a tubular metal resonator power consumption beam falling prevention device for railway bridges, the spacing groove can adopt two frames to form, also can adopt two curb plates to form, also can be the frame another side on one side for the curb plate, the tubular metal resonator all along vertical setting, promptly the one end mouth of pipe orientation of tubular metal resonator the bottom plate sets up, the longitudinal setting of spacing groove is followed to the extending direction of power consumption subassembly, follows promptly the spacing groove axial sets up a plurality of the tubular metal resonator, the tubular metal resonator selects the metal component that has the ductility. The metal pipe is used as an energy dissipation component, when a beam body moves relative to a pier, the movable component can be driven to compress or stretch relative to the end part, so that the section of the metal pipe is subjected to tensile and compressive ductility deformation, the seismic energy is dissipated, when the metal pipe is compressed, the metal pipe can protrude outwards along the lateral direction, after the metal pipe protrudes outwards for a certain deformation amount, the limiting groove can restrain the deformation of the metal pipe, the stability of the metal pipe in the deformation process is effectively guaranteed, meanwhile, the metal pipe is deformed and dissipated energy, the deformation stability is better due to the fact that the metal pipe has a complete section, the metal pipe can continue to be subjected to the tensile and compressive deformation and the dissipation repeatedly under the action of an earthquake, and structural parameters, such as restoring force, size and quantity, of the energy dissipation component can be calculated through the weight of the beam body and the friction coefficient of. The device has scientific and simple structural design, convenient processing and convenient installation, adopts the cross section direction of the metal pipe as the tension-compression deformation energy dissipation direction, is favorable for improving the stability of deformation, ensures the effectiveness of continuous energy dissipation, can obviously improve the anti-seismic performance of the anti-falling beam to the bridge structure, protects the bridge structure from earthquake damage, and is beneficial to restoration after earthquake.
Preferably, the cross section of the metal pipe is a circular end-shaped cross section or a sinusoidal end-shaped cross section, the circular end-shaped cross section or the sinusoidal end-shaped cross section comprises straight segments, and the straight segments are used for connecting two adjacent metal pipes, so that stable connection is facilitated.
The round end or the sine end is arranged towards the limiting groove, and the straight line segment is used for connection to increase the contact surface, improve the connection stability and ensure the deformation stability.
Further preferably, two adjacent metal pipes are connected by a plurality of bolts.
Is convenient for assembly, maintenance and replacement.
The bolts are distributed along the height direction.
Further preferably, the length of the straight line segment is 1.1-5.0 times the diameter of the bolt hole.
Preferably, the limiting groove comprises a first baffle, a second baffle and two side plates, one end of the energy dissipation assembly is connected with the first baffle through a bolt, and the distance between the movable member and the second baffle is adjustable.
Further preferably, stiffening plates are arranged on the outer sides of the first baffle and the side plates.
Preferably, the movable member comprises a third baffle plate, the third baffle plate is provided with a connecting boss, the connecting boss is connected with the other end of the energy dissipation assembly through a bolt, and the width of the connecting boss is larger than that of the straight line section of the metal pipe.
Preferably, the energy dissipation assembly can be replaced by an integrally formed structural member.
Namely, a plurality of metal pipes are processed into an integral workpiece, so that additional connecting steps are reduced, and the field installation is simple and convenient.
Preferably, the metal tube is a steel structural member or an aluminum structural member.
Preferably, the metal tube is filled with a buffer member.
To sum up, compare with prior art, the beneficial effects of the utility model are that:
1. adopt a tubular metal resonator energy consumption beam device of preventing falling for railway bridge, structural design science is succinct, processing is convenient, simple to operate adopts tubular metal resonator cross section direction as drawing and pressing deformation energy consumption direction, is favorable to improving the stability of deformation, guarantees to last the validity of power consumption, can show to improve and prevent falling the roof beam to bridge construction's anti-seismic performance, protects bridge construction and avoids earthquake damage, benefits to restore after shaking.
2. The metal pipes are convenient to connect, maintenance and replacement are facilitated, and the tension and compression deformation stability is good.
Description of the drawings:
fig. 1 is a schematic structural view of a metal pipe energy-consumption beam-falling prevention device for a railroad bridge according to embodiment 1;
FIG. 2 is a schematic structural view of another cross section of the metal tube according to example 1;
fig. 3 is a schematic structural view of the energy-consuming beam-falling prevention device for the metal pipe for the railroad bridge in embodiment 2.
The labels in the figure are: 1-bottom plate, 2-metal tube, 31-first baffle, 32-second baffle, 33-side plate, 4-stiffening plate, 51-third baffle and 52-connecting boss.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Example 1
A tubular metal resonator power consumption beam device that falls for railway bridge contains bottom plate 1, be equipped with the spacing groove on the bottom plate 1, the spacing inslot is equipped with the power consumption subassembly, the power consumption subassembly contains a plurality of interconnect's tubular metal resonator 2, the equal perpendicular to of axial of tubular metal resonator 2 the bottom plate sets up, the one end of power consumption subassembly connect in the tip one of spacing groove, the other end connect in the movable member, the movable member with the interval of the tip two of spacing groove is adjustable. When the energy-consuming assembly is used, the movable member is used for connecting a beam body, the bottom plate 1 is used for connecting a pier, or the movable member is used for connecting the pier, the bottom plate 1 is used for connecting the beam body, and in an initial state, a gap is formed between the limiting groove and the energy-consuming assembly.
Specifically, as shown in fig. 1, the limiting groove includes a first baffle 31, a second baffle 32 and two side plates 33, the first baffle 31 and the second baffle 32 are disposed oppositely, the first baffle 31 is disposed at a first end of the limiting groove, the second baffle 32 is disposed at a second end of the limiting groove, the side plates 33 are connected between the first baffle 31 and the second baffle 32 to form a limiting groove with an opening at one end, wherein the side plates 33 and the corresponding second baffle 32 form an L-shaped plate, stiffening plates 4 are disposed on outer sides of the first baffle 31 and the side plates 33, rubber pads can be disposed on inner walls of the limiting groove to buffer the metal pipe 2, and the metal pipe 2 is prevented from being damaged due to the fact that the metal pipe 2 is damaged due to excessive compression amount, and buffer materials such as rubber and edge-gathering grease materials are filled in the metal pipe 2. If four metal tubes 2 connected with each other are arranged in the limiting groove, the metal tubes 2 are all steel tubes or aluminum tubes with the same shape and structure, the four metal tubes 2 can also be processed into an integrally formed structural member, the length of the metal tubes 2 is matched with the height of the limiting groove, and the number and the structural parameters of the metal tubes 2 are determined according to design requirements. The cross-section of tubular metal resonator 2 is round end shape cross-section, the cross-section of tubular metal resonator 2 also can adopt the sinusoidal end shape cross-section as shown in fig. 2, round end shape cross-section contains the straightway, the straightway is equipped with a plurality of bolt hole along the direction of height, the length of straightway is 1.1-5.0 times of bolt hole diameter, adjacent two tubular metal resonator 2 is through a plurality of bolted connection, tubular metal resonator 2 also through bolted connection in first baffle 31, the on-the-spot installation of being convenient for, the round end side orientation of tubular metal resonator 2 curb plate 33 sets up. The distance between the movable component and the second baffle 32 is driven to change by the relative movement of the beam body and the pier, and the section of the metal pipe 2 is stretched or compressed to realize energy consumption.
The movable component comprises a third baffle plate 51, the third baffle plate 51 is provided with a connecting boss 52, the connecting boss 52 is connected with the other end of the energy dissipation component through a bolt, the width of the connecting boss 52 is larger than that of a straight line section of the metal pipe 2, connection is facilitated, and the third baffle plate 51 is used for limiting the compression degree of the energy dissipation component.
The device has scientific and simple structural design, convenient processing and convenient installation, adopts the cross section direction of the metal pipe as the tension-compression deformation energy dissipation direction, is favorable for improving the stability of deformation, ensures the effectiveness of continuous energy dissipation, can obviously improve the anti-seismic performance of the anti-falling beam to the bridge structure, protects the bridge structure from earthquake damage, and is beneficial to restoration after earthquake.
Example 2
A tubular metal resonator power consumption beam falling prevention device for railroad bridge, its structure is roughly the same with embodiment 1, its difference lies in, this device does not restrict the quantity of the spacing groove on the bottom plate 1, as shown in fig. 3, if be provided with two the spacing groove, two one of them can be shared to the spacing groove curb plate 33, all the extension direction of the power consumption subassembly of spacing inslot is unanimous, all the power consumption subassembly is connected in same third baffle 51 is favorable to rational utilization arrangement space, avoids the length overlength of single power consumption subassembly.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a beam device is prevented falling in tubular metal resonator power consumption for railway bridge, its characterized in that contains bottom plate (1), be equipped with the spacing groove on bottom plate (1), the spacing inslot is equipped with power consumption subassembly, power consumption subassembly contains a plurality of interconnect's tubular metal resonator (2), vertical setting is all followed in tubular metal resonator (2), power consumption subassembly one end connect in the tip one of spacing groove, the other end connect in the movable member, the movable member with the interval of the tip two of spacing groove is adjustable.
2. The energy-consumption beam-falling prevention device for the metal pipes for the railway bridge as claimed in claim 1, wherein the cross section of the metal pipe (2) is a round-ended cross section or a sinusoidal-ended cross section, and the round-ended cross section or the sinusoidal-ended cross section comprises a straight line section which is used for connecting two adjacent metal pipes (2).
3. The energy-consumption beam-falling prevention device for the metal pipes for the railway bridge as claimed in claim 2, wherein two adjacent metal pipes (2) are connected through a plurality of bolts.
4. The energy-consumption beam-falling prevention device for the metal pipes for the railway bridge as claimed in claim 3, wherein the length of the straight line section is 1.1-5.0 times of the diameter of the bolt hole.
5. The energy-consumption beam-falling prevention device for the metal pipes for the railroad bridges as claimed in claim 1, wherein the limiting groove comprises a first baffle plate (31), a second baffle plate (32) and two side plates (33), one end of the energy-consumption assembly is bolted to the first baffle plate (31), and the distance between the movable member and the second baffle plate (32) is adjustable.
6. The energy-consumption beam-falling prevention device for the metal pipes for the railway bridge as claimed in claim 5, wherein stiffening plates (4) are arranged on the outer sides of the first baffle plates (31) and the outer sides of the side plates (33).
7. The energy-consumption beam-falling prevention device for the metal pipe for the railroad bridge as claimed in claim 1, wherein the movable member comprises a third baffle plate (51), the third baffle plate (51) is provided with a connecting boss (52), the connecting boss (52) is bolted to the other end of the energy-consumption assembly, and the width of the connecting boss (52) is greater than the width of the straight section of the metal pipe (2).
8. The metal tube energy-consumption beam-falling prevention device for the railway bridge as claimed in claim 1, wherein the energy-consumption assembly can be replaced by an integrally-formed structural member.
9. The energy-consumption beam-falling prevention device for the metal pipes for the railway bridge according to any one of claims 1 to 8, wherein the metal pipes (2) are steel structural members or aluminum structural members.
10. The energy-consumption beam-falling prevention device for the metal pipes of the railway bridges as claimed in any one of claims 1 to 8, wherein the metal pipes (2) are filled with buffer members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021827365.9U CN213173314U (en) | 2020-08-27 | 2020-08-27 | Energy-consuming and beam-falling preventing device for metal pipe for railway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021827365.9U CN213173314U (en) | 2020-08-27 | 2020-08-27 | Energy-consuming and beam-falling preventing device for metal pipe for railway bridge |
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| Publication Number | Publication Date |
|---|---|
| CN213173314U true CN213173314U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021827365.9U Active CN213173314U (en) | 2020-08-27 | 2020-08-27 | Energy-consuming and beam-falling preventing device for metal pipe for railway bridge |
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| Country | Link |
|---|---|
| CN (1) | CN213173314U (en) |
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- 2020-08-27 CN CN202021827365.9U patent/CN213173314U/en active Active
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