CN212801181U - Multi-buffering three-dimensional limiting type bridge anti-seismic stop block structure - Google Patents
Multi-buffering three-dimensional limiting type bridge anti-seismic stop block structure Download PDFInfo
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- CN212801181U CN212801181U CN202021750920.2U CN202021750920U CN212801181U CN 212801181 U CN212801181 U CN 212801181U CN 202021750920 U CN202021750920 U CN 202021750920U CN 212801181 U CN212801181 U CN 212801181U
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Abstract
The utility model relates to the technical field of bridge shockproof, in particular to a multi-buffering three-dimensional limiting type bridge anti-seismic stop block structure, which comprises a steel corbel component, I-shaped hollow steel and S-shaped plastic carbon steel, wherein the I-shaped hollow steel is in an I-shaped structure, the top of the I-shaped hollow steel is fixed at the bottom of a main beam, the bottom of the I-shaped hollow steel is fixed at the top of the steel corbel component, and a square hole for placing the S-shaped plastic carbon steel is formed on the front wall of the I-shaped hollow steel; the axle center of its two holes of S type plastic carbon steel is equipped with the cavity hexagonal prism that the cross section is regular hexagon, six outer walls of cavity hexagonal prism all link to each other with steel spring 'S one end, steel spring' S the other end with the lateral wall of S type plastic carbon steel or the inner wall in I shape cavity steel top side hole links to each other. The utility model discloses guarantee that the bridge is in acceptable within range with vertical damage in the same direction as the bridge, the restriction is and consumes the energy of the horizontal bridge to earthquake, ensures can not cause the injury to the pier.
Description
Technical Field
The utility model relates to a bridge shockproof technical field especially relates to a spacing type bridge antidetonation dog structure of multiple buffering three-dimensional.
Background
Under the future development trend, the highway system of China must be continuously perfected, in order to deal with special environment and protect the environment of highway along the earth, save partial land resources, improve the utilization ratio of space, the bridge becomes necessary choice, in the future highway construction process, the demand of the bridge will be huge more and more, the demand to the bridge will be improved more and more, in addition, because some bridges of China's construction are located on the pacific volcanic earthquake zone of the ring and the European Asia earthquake zone, once earthquake occurs, the damage to the bridge will result in, not only will cause huge economic loss, but also will lead to the road to break and make the traffic paralyze, will also suffer greater indirect loss. In this respect, it is very necessary to develop researches on seismic resistance and damping technologies and devices of bridges, and researches show that the following damages of bridges caused by seismic are mainly included: bridge and movable support produce great relative displacement and lead to the support to damage, produce great displacement between the roof beam body and the pier and arouse the bridge to take place to damage along the bridge or the roof beam that falls of cross bridge to, the bridge body that the expansion joint both ends that leads to the bridge that has the expansion joint takes place the damage of the bridge main part that direct impact leads to and passes to the pier bottom owing to the effect of collision with the impact, arouse the damage of bridge bottom, the expansion that also can lead to the expansion joint simultaneously makes the traffic further paralysed, and the restoration degree of difficulty of bridge has been increaseed, because seismic wave can cause the great vertical displacement of bridge, can lead to upper portion roof beam body to break away from the support, not only can lead to bridge warpage damage, still can lead to support and roof beam body to take place violent vertical collision.
The damage of the bridge is approximately the above, but researches show that the current mainstream bridge design scheme in China is that two reinforced concrete stoppers are arranged in the direction of a transverse bridge to limit the transverse bridge displacement of the bridge in the earthquake, but the design neglects the support damage caused by the relative displacement of the bridge and a movable support, the bridge and the reinforced concrete stoppers are in rigid collision to cause the collision force to be transmitted to a pier to cause damage such as pier damage, the displacement and force generated by the earthquake to the bridge are complicated and changeable, and only one condition is considered that no method is available to ensure that the bridge main body can keep relative integrity in the earthquake. Therefore, a device is needed, can be in the transverse bridge direction, in the same direction as the bridge direction, it is vertical, the three-dimensional plays the effect of restriction displacement simultaneously, and can convert the rigid collision that bridge and reinforced concrete dog take place into elasticity or plastic collision that can the loss energy through self characteristic, solve with this, the bridge produces great relative displacement with the movable support and leads to the support to damage, produce great displacement between the roof beam body and the pier and cause the bridge to take place to damage in the same direction as the bridge direction or the roof beam that falls of transverse bridge direction, the damage of the bridge main part that the direct impact leads to takes place for the roof beam body at the expansion joint both ends that leads to the bridge that has the expansion joint and because the collision passes to the pier bottom with the effect of impact and makes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, a spacing type bridge antidetonation dog structure of multiple buffering three-dimensional is provided, through in the same direction as the bridge to with vertical steel spring and high plasticity carbon steel consume the earthquake in the same direction as the bridge to with vertical energy, guarantee that the bridge is in acceptable within range in the same direction as the bridge to with vertical damage, through lateral damper and high plasticity carbon steel, restriction and consumption lateral bridge to the earthquake energy, ensure can not cause the injury to the pier, and because steel spring's existence, this device possess certain structure automatic recovery ability after the earthquake, reduce prosthetic degree of difficulty.
In order to realize the utility model discloses a purpose, the utility model discloses a technical scheme do:
the utility model discloses a multiple buffering three-dimensional spacing type bridge anti-seismic stop block structure, which comprises a steel bracket component, I-shaped hollow steel, S-shaped plastic carbon steel, a damper, a steel spring, a hollow hexagonal prism and a rectangular steel block, wherein the steel bracket component is fixed above the side wall of a pier, the I-shaped hollow steel is in an I-shaped structure, the top of the I-shaped hollow steel is fixed at the bottom of a girder, the bottom of the I-shaped hollow steel is fixed at the top of the steel bracket component, and a square hole for placing the S-shaped plastic carbon steel is formed on the front wall of the I-shaped hollow steel; the S-shaped plastic carbon steel is of an S-shaped structure, the axes of two holes of the S-shaped plastic carbon steel are provided with a hollow hexagonal prism with a regular hexagonal cross section, six outer walls of the hollow hexagonal prism are connected with one end of a steel spring, and the other end of the steel spring is connected with the side wall of the S-shaped plastic carbon steel or the inner wall of an upper hole of the I-shaped hollow steel; the front and the rear of the I-shaped hollow steel are provided with rectangular steel blocks which are respectively fixed at the bottom of the main beam and the top of the steel bracket assembly, and the rectangular steel blocks are connected with the hollow hexagonal prism through dampers.
The top and the bottom of the S-shaped plastic carbon steel are in abutting contact with the top and the bottom of the hole above the I-shaped hollow steel; the thickness of both is the same.
The attenuator includes attenuator connection steel block, high performance buffer board, attenuator rectangle dog, half bow style of calligraphy steel block, ring shape carbon steel, attenuator main part, two the one end of attenuator rectangle dog and two half bow style of calligraphy steel blocks weld in enclose on the inner wall of attenuator connection steel block and become to be used for placing the cavity of ring shape carbon steel, the high performance buffer board set up in the bottom of cavity, the inner circle of ring shape carbon steel is used for the both ends of attenuator main part insert.
The hole of the S-shaped plastic carbon steel is provided with two or more hollow hexagonal prisms arranged along the axis of the hole.
A groove for placing a damper connecting steel block is formed in the end face of one end of each hollow hexagonal prism, the hollow hexagonal prisms on the outer sides are connected with the rectangular steel blocks through dampers, and the adjacent hollow hexagonal prisms are connected through connecting carbon steel or dampers.
The steel bracket assembly comprises a steel bracket top plate, a steel bracket web plate, a steel bracket bottom plate and a steel bracket side plate, the steel bracket side plate is fixed on the top of the side wall of the pier through steel bracket bolts, the steel bracket top plate and the steel bracket bottom plate are arranged in parallel and are fixed on the top and the bottom of the steel bracket side plate respectively, and the steel bracket web plate is fixed between the steel bracket top plate and the steel bracket bottom plate.
The rectangular steel blocks comprise upper rectangular steel blocks with the tops fixed at the bottoms of the main beams and lower rectangular steel blocks with the bottoms fixed on the top plates of the steel brackets; and a gap is arranged between the upper rectangular steel block and the lower rectangular steel block.
The beneficial effects of the utility model reside in that:
1: the utility model can effectively limit the bridge to generate larger displacement in the transverse direction, the forward direction and the vertical direction, prevent the damage of falling beams, reduce the possibility of collision between bridge bodies and effectively protect the expansion joint and the bottom of the pier;
2: the device can arrange a plurality of devices on one side surface of the top of the bridge pier, and the devices are dispersed in position and large in number in the whole bridge, so that the seismic force acting on each device can be effectively reduced, and the damage to the device is reduced;
3: the device comprises the damper, a high-performance buffer material, low-yield carbon steel and a steel spring, can effectively convert seismic energy into elastic potential energy and heat energy, and greatly protects the main structure of the bridge;
4: meanwhile, the device has certain self-restoring capacity due to the steel spring and the damper, can ensure that the bridge is not damaged and difficult to repair under the condition of medium and small earthquakes, and can accelerate the repair process of the damaged bridge in the earthquake of the earth;
5: the device adopts carbon steel with low yield in most parts, is easy to generate plastic deformation, can reduce the damage of the earthquake to the main structure of the bridge by using the structural damage of the stop block main body to a certain extent, and ensures that the bridge cannot be greatly damaged in the earthquake;
6: the device has the advantages of proper material price, convenient construction, suitability for most bridges, easy maintenance and part replacement and the like.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a right side view of the present invention;
FIG. 3 is a schematic structural view of the damper of the present invention;
fig. 4 is a schematic connection diagram of a plurality of hollow hexagonal prisms according to the present invention.
In the figure: 1. the steel bracket assembly comprises a steel bracket component, 2, I-shaped hollow steel, 3, S-shaped plastic carbon steel, 4, a damper, 5, a steel spring, 6, a hollow hexagonal prism, 7, a rectangular steel block, 9, connecting carbon steel, 10, a damper connecting steel block, 11, a high-performance buffer plate, 12, a damper rectangular stop block, 13, a half-bow-shaped steel block, 14, annular carbon steel, 15, a damper main body, 16, a steel bracket top plate, 17, a steel bracket web plate, 18, a steel bracket bottom plate, 19, a steel bracket side plate, 20, a main beam, 21 and a pier.
Detailed Description
The following further description of the present invention:
referring to figures 1-4 of the drawings,
the utility model discloses a multiple buffering three-dimensional spacing type bridge anti-seismic stop block structure, which comprises a steel bracket component 1, I-shaped hollow steel 2, S-shaped plastic carbon steel 3, a damper 4, a steel spring 5, a hollow hexagonal prism 6 and a rectangular steel block 7, wherein the steel bracket component 1 is fixed above the side wall of a pier 21, the I-shaped hollow steel 2 is in an I-shaped structure, the top of the I-shaped hollow steel is fixed at the bottom of a girder 20, the bottom of the I-shaped hollow steel is fixed at the top of the steel bracket component 1, and a square hole for placing the S-shaped plastic carbon steel 3 is formed on the front wall of the I-shaped hollow steel 2; the S-shaped plastic carbon steel 3 is of an S-shaped structure, the axes of two holes of the S-shaped plastic carbon steel are provided with hollow hexagonal prisms 6 with regular hexagonal cross sections, six outer walls of each hollow hexagonal prism 6 are connected with one end of a steel spring 5, and the other end of each steel spring 5 is connected with the side wall of the S-shaped plastic carbon steel 3 or the inner wall of a hole above the I-shaped hollow steel 2; the front and the rear of the I-shaped hollow steel 2 are provided with rectangular steel blocks 7 which are respectively fixed at the bottom of the main beam 20 and the top of the steel corbel assembly 1, and the rectangular steel blocks 7 are connected with the hollow hexagonal prism 6 through dampers 4.
The top and the bottom of the S-shaped plastic carbon steel 3 are in abutting contact with the top and the bottom of the hole above the I-shaped hollow steel 2; the thicknesses of the S-shaped plastic carbon steel 3 and the I-shaped hollow steel 2 are the same, the total thickness of the whole body formed by the plurality of hollow hexagonal prisms 6, the connecting carbon steel 9 and the damper 4 is lower than that of the S-shaped plastic carbon steel 3, and a space of the damper 4 arranged between the hollow hexagonal prisms 6 and the rectangular steel block 7 needs to be reserved.
The hole of the S-shaped plastic carbon steel 3 is provided with two or more hollow hexagonal prisms 6 arranged along the axis of the hole; a groove for placing a damper connecting steel block 10 is formed in one end face of each hollow hexagonal prism 6, the hollow hexagonal prisms 6 on the outer sides are connected with the rectangular steel block 7 through dampers 4, and adjacent hollow hexagonal prisms 6 are connected through connecting carbon steel 9 or dampers 4; the bottom surfaces of the adjacent hollow hexagonal prisms 6 are connected through connecting carbon steel 9, the hollow hexagonal prisms 6 without bottom surfaces are connected through the damper 4 fixed in the middle groove, the hollow hexagonal prism 6 positioned on the outermost side is fixedly connected with one end of the damper 4 through the groove, and the other end of the damper 4 is welded with the rectangular steel block 7.
Steel corbel subassembly 1 includes steel corbel roof 16, steel corbel web 17, steel corbel bottom plate 18 and steel corbel curb plate 19, steel corbel curb plate 19 is fixed in through steel corbel bolt the lateral wall top of pier 21, steel corbel roof 16 and steel corbel bottom plate 18 parallel arrangement are fixed in respectively steel corbel side plate 19's top and bottom, steel corbel web 17 is fixed in between steel corbel roof 16 and the steel corbel bottom plate 18.
The rectangular steel blocks 7 comprise upper rectangular steel blocks with the tops fixed at the bottoms of the main beams 20 and lower rectangular steel blocks with the bottoms fixed on the steel bracket top plates 16; and a gap is arranged between the upper rectangular steel block and the lower rectangular steel block.
The steel bracket component 1 is fixed above the side wall of a pier 21 near a bridge support through an embedded steel plate and bolts, the lower part of an I-shaped hollow steel 2 is fixed on a steel bracket top plate 16 through welding, the upper part of the I-shaped hollow steel 2 is fixed at the bottom of a main beam 20 of a bridge in a welding manner, the central line of a rectangular steel block 7 is opposite to the central line of the long side of the steel bracket top plate 16, a certain distance is reserved between the welding part of the rectangular steel block 7 and the steel bracket top plate 16 and the two sides of the steel bracket top plate 16, and the rectangular steel block 7 and the I-shaped hollow steel 2 are installed in a seamless; the I-shaped hollow steel 2 is connected with the hollow hexagonal prism 6 through the damper 4 so as to be connected with the stop block body, a plurality of bolt holes are arranged on two sides of the I-shaped hollow steel block 2, the lower part of the I-shaped hollow steel block 2 is fixed on a steel bracket top plate 16 through bolts, the upper part of the I-shaped hollow steel 2 is fixed with an embedded steel plate at the bottom of the main beam 20 through bolts, the thickness of the bottom of the hollow hexagonal prism 6 is kept partially, the size of the hollow part of the hollow hexagonal prism 6 meets the requirement of installing the damper steel block 10, a plurality of hollow hexagonal prisms 6 are connected through connecting steel 9, the non-bottom surfaces of the hollow carbon hexagonal prisms 6 are connected through the damper 4 fixed on the middle groove, the hollow hexagonal prism 6 positioned on the outermost side is connected with one end of the damper 4 through groove fixing, and six side surfaces of the hollow hexagonal prism 6 are respectively connected with steel springs 5 with specific length, part of the steel spring 5 is connected with the S-shaped plastic carbon steel 3, part of the steel spring 5 is connected with the I-shaped hollow steel 2, the size of the S-shaped plastic carbon steel 3 is consistent with the size of the inner hollow of the I-shaped hollow steel 2, the S-shaped plastic carbon steel 3 is connected with the steel spring 5, then the S-shaped plastic carbon steel 3 is placed in the I-shaped hollow steel 2, the steel spring 5 is connected with the inner wall of the I-shaped hollow steel 2, the steel spring is in a slight stretching state, the hollow hexagonal prism 6 is positioned at the center of a hole of the S-shaped plastic carbon steel 3, the hollow hexagonal prism 6 at the outermost side is fixed with one end of the damper 4 through a groove, the other end of the damper 4 is connected with the rectangular steel block 7 through welding, the damper steel block 10 is positioned at the same center as the rectangular steel block 7, and the size of the damper steel block 10 is slightly smaller than the rectangular steel block 7, a sufficient space is reserved for the space to be,
the utility model discloses a structure of attenuator includes attenuator steel billet 10, high performance buffer board 11, attenuator rectangle dog 12, half bow type steel billet 13, circle ring shape carbon steel 14, attenuator main part 15, wherein attenuator dog 12 welds earlier on attenuator steel billet 10, put into the ring shape carbon steel 14 and the high performance buffer material 11 of design size again, weld half bow type carbon steel 13 to attenuator steel billet 10 again and form the separation structure and ensure to reserve certain ring shape carbon steel 14's motion space, establish the other end above the repetition again, allow to place attenuator main part 15 in the ring shape carbon steel 14's of reservation circle when having installed attenuator one end, carrying out another part installation. Annular carbon steel 14 will collide with high performance buffer board 11 when the attenuator receives horizontal bridge to seismic force, convert the rigid collision of steel into the elastoplasticity collision, thereby subduct partial seismic energy, and attenuator main part 15 adopts the carbon steel of low yield, can come the earthquake energy assurance device major structure's of loss through taking place plastic deformation when bumping basically complete, extension attenuator life, and the attenuator majority uses in this device, can effectual reduction be used in the seismic force on each attenuator, guarantee that the connectivity of device can not receive destruction.
The above mentioned is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings or the direct or indirect application in the related technical field are included in the patent protection scope of the present invention.
Claims (7)
1. The utility model provides a spacing type bridge antidetonation dog structure of multiple buffering three-dimensional which characterized in that: comprises a steel bracket component (1), I-shaped hollow steel (2), S-shaped plastic carbon steel (3), a damper (4), a steel spring (5), a hollow hexagonal prism (6) and a rectangular steel block (7),
the steel corbel assembly (1) is fixed above the side wall of the pier (21), the I-shaped hollow steel (2) is of an I-shaped structure, the top of the I-shaped hollow steel is fixed to the bottom of the main beam (20), the bottom of the I-shaped hollow steel is fixed to the top of the steel corbel assembly (1), and a square hole for placing the S-shaped plastic carbon steel (3) is formed in the front wall of the I-shaped hollow steel (2);
the S-shaped plastic carbon steel (3) is of an S-shaped structure, the axes of two holes of the S-shaped plastic carbon steel are provided with hollow hexagonal prisms (6) with regular hexagonal cross sections, six outer walls of each hollow hexagonal prism (6) are connected with one end of a steel spring (5), and the other ends of the steel springs (5) are connected with the side wall of the S-shaped plastic carbon steel (3) or the inner wall of a hole above the I-shaped hollow steel (2);
the front and the rear of the I-shaped hollow steel (2) are provided with rectangular steel blocks (7) which are respectively fixed to the bottom of the main beam (20) and the top of the steel corbel assembly (1), and the rectangular steel blocks (7) are connected with the hollow hexagonal prism (6) through dampers (4).
2. The multi-buffer three-way limiting type bridge anti-seismic stop block structure according to claim 1, wherein: the top and the bottom of the S-shaped plastic carbon steel (3) are in abutting contact with the top and the bottom of the hole above the I-shaped hollow steel (2); the thickness of both is the same.
3. The multi-buffer three-way limiting type bridge anti-seismic stop block structure according to claim 1, wherein: damper (4) are including damper connection steel block (10), high performance buffer board (11), damper rectangle dog (12), half bow type shaped steel piece (13), ring shape carbon steel (14), attenuator main part (15), two the one end of damper rectangle dog (12) and two half bow type shaped steel pieces (13) weld in enclose on the inner wall of damper connection steel block (10) and become to be used for placing the cavity of ring shape carbon steel (14), high performance buffer board (11) set up in the bottom of cavity, the inner circle of ring shape carbon steel (14) is used for the both ends of attenuator main part (15) insert.
4. The multi-buffer three-way limiting type bridge anti-seismic stop block structure according to claim 3, wherein: the hole of the S-shaped plastic carbon steel (3) is provided with two or more hollow hexagonal prisms (6) arranged along the axis of the hole.
5. The multi-buffer three-way limiting type bridge anti-seismic stop block structure according to claim 4, wherein: a groove used for placing a damper connecting steel block (10) is formed in the end face of one end of each hollow hexagonal prism (6), the hollow hexagonal prisms (6) on the outer sides are connected with the rectangular steel blocks (7) through dampers (4), and the adjacent hollow hexagonal prisms (6) are connected through connecting carbon steel (9) or dampers (4).
6. The multi-buffer three-way limiting type bridge anti-seismic stop block structure according to claim 1, wherein: steel corbel subassembly (1) includes steel corbel roof (16), steel corbel web (17), steel corbel bottom plate (18) and steel corbel curb plate (19), steel corbel curb plate (19) are fixed in through steel corbel bolt the lateral wall top of pier (21), steel corbel roof (16) and steel corbel bottom plate (18) parallel arrangement are fixed in respectively the top and the bottom of steel corbel curb plate (19), steel corbel web (17) are fixed in between steel corbel roof (16) and steel corbel bottom plate (18).
7. The multi-buffer three-way limiting type bridge anti-seismic stop block structure according to claim 6, wherein: the rectangular steel blocks (7) comprise upper rectangular steel blocks with the tops fixed at the bottoms of the main beams (20) and lower rectangular steel blocks with the bottoms fixed on the steel corbel top plates (16); and a gap is arranged between the upper rectangular steel block and the lower rectangular steel block.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021750920.2U CN212801181U (en) | 2020-08-20 | 2020-08-20 | Multi-buffering three-dimensional limiting type bridge anti-seismic stop block structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021750920.2U CN212801181U (en) | 2020-08-20 | 2020-08-20 | Multi-buffering three-dimensional limiting type bridge anti-seismic stop block structure |
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| CN212801181U true CN212801181U (en) | 2021-03-26 |
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