CN210797253U - Public road bridge roof beam shock-absorbing support based on bridge security performance - Google Patents

Public road bridge roof beam shock-absorbing support based on bridge security performance Download PDF

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Publication number
CN210797253U
CN210797253U CN201921586412.2U CN201921586412U CN210797253U CN 210797253 U CN210797253 U CN 210797253U CN 201921586412 U CN201921586412 U CN 201921586412U CN 210797253 U CN210797253 U CN 210797253U
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bridge
rod
damping
sliding
base
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CN201921586412.2U
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杨明秀
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Guizhou Road And Bridge Group Engineering Test And Inspection Co Ltd
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Guizhou Road And Bridge Group Engineering Test And Inspection Co Ltd
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Abstract

The utility model provides a public road bridge roof beam shock absorber support based on bridge security performance belongs to public road bridge roof beam technical field, including base, connecting plate, bracing piece, recess and energy-absorbing base, the surface of bracing piece has cup jointed the fixed lantern ring, the both sides fixedly connected with slide bar of the fixed lantern ring, the bottom fixedly connected with slider of loss slide bar, the bottom of slider is provided with the slide rail, the top fixedly connected with lower shock absorber rod of bracing piece, the surface of lower shock absorber rod has cup jointed buffer spring, the top of lower shock absorber rod is provided with the upper shock absorber rod, the top fixedly connected with supporting seat of upper shock absorber rod; the utility model discloses the shock attenuation is effectual, and long service life promotes the slider through the slide bar and slides to the outside in the slide rail, and taut spring can be with the slider restriction in the slide rail to obtain decomposing external force, make the bridge atress even, prolonged this bridge anti-seismic support life, avoid external force to concentrate on acting on a department, further strengthened the anti-seismic performance of bridge.

Description

Public road bridge roof beam shock-absorbing support based on bridge security performance
Technical Field
The utility model relates to a public road bridge roof beam technical field, more specifically relates to a public road bridge roof beam shock-absorbing support based on bridge security performance.
Background
Bridge bearings are important structural components that connect the superstructure and substructure of a bridge. The device can reliably transmit the counter force and the deformation (displacement and corner) of the upper structure of the bridge to the lower structure of the bridge, thereby leading the actual stress condition of the structure to accord with the calculated theoretical drawing, is erected on an abutment, and the top surface supports the upper structure of the bridge, and has the functions of fixing the upper structure on the abutment, bearing various forces acting on the upper structure and reliably transmitting the forces to the abutment, under the actions of load, temperature, concrete contraction and creep, the support can adapt to the corner and the displacement of the upper structure, thereby leading the upper structure to be capable of freely deforming without generating additional internal force, the traditional bridge support is generally fixed by screws among an upper steel plate, various components and a support body, the field application is time-consuming and labor-consuming, the whole support is more complex, the existing bridge support has poor anti-seismic and damping capacity and lacks of safety performance, thereby easily leading the bridge to be damaged, affecting the service life thereof.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that proposes in the background art to a public road bridge roof beam shock-absorbing support based on bridge security performance is provided.
In order to achieve the above object, the utility model provides a following technical scheme: a highway bridge damping support based on bridge safety performance comprises a base, a connecting plate, a supporting rod, a groove and an energy absorption base, wherein the groove is arranged at the axis of the top of the base, the energy absorption base is arranged inside the groove, a mounting groove is arranged at the top of the energy absorption base, a mounting lug is arranged inside the mounting groove, the supporting rod is fixedly connected to the top of the mounting lug, a fixing sleeve ring is sleeved on the surface of the supporting rod, sliding rods are fixedly connected to two sides of the fixing sleeve ring, a sliding block is fixedly connected to the bottom end of a lost sliding rod, a sliding rail is arranged at the bottom of the sliding block, a lower damping rod is fixedly connected to the top of the supporting rod, a buffer spring is sleeved on the surface of the lower damping rod, an upper damping rod is arranged at the top of the lower damping rod, a supporting seat is fixedly connected, the damping device comprises a base and is characterized in that piston columns are fixedly connected to the two ends of the top of the base, damping springs are arranged inside the piston columns, fixing columns are arranged at the tops of the damping springs, and connecting plates are fixedly connected to the tops of the fixing columns.
Preferably, the number of the sliding rods is two, and a tension spring is connected between the two sliding rods.
Preferably, the sliding block is slidably connected to the inside of the sliding rail.
Preferably, the bottom of installation lug is the arc form to with mounting groove looks adaptation, and be provided with the cotton cushion of bubble between installation lug and the mounting groove.
Preferably, the upper damping rod and the lower damping rod are arranged on the same vertical line, and the surfaces of the upper damping rod and the lower damping rod are sleeved with the same buffer spring.
Preferably, the piston column is matched with the fixing column, and the fixing column is connected to the inside of the piston column in a sliding mode.
The utility model provides a public road bridge roof beam shock-absorbing support based on bridge security performance has following beneficial effect:
1. the public road bridge damping support based on the bridge safety performance is provided with the piston columns, when vibration occurs, external force generated by the vibration is transmitted to the supporting seat and the fixing columns through the connecting plate, the fixing columns extrude the damping springs under the action of the external force, the damping springs can generate a reaction force to upwards push the fixing columns, the fixing columns can push the connecting plate, the vibration caused by the vibration to a bridge is reduced, and the damping effect is improved; meanwhile, the upper damping rod can directly touch the top end of the lower damping rod through the supporting seat, and the buffer spring prevents the bridge from transversely deviating due to external force; and the bracing piece passes through the extrusion of supporting seat down, can transmit external force for the energy-absorbing base through the installation lug and absorb it, reaches the shock attenuation purpose, has improved the device's practicality greatly.
2. The highway bridge damping support based on the bridge safety performance is provided with the sliding rails and the sliding blocks, when the supporting rods move downwards, the sliding rods 8 push the sliding blocks 9 to slide outwards in the sliding rails 7, so that external force is decomposed, the bridge damping support is stressed uniformly, the service life of the bridge damping support is prolonged, the external force is prevented from acting on one part in a concentrated mode, and the anti-seismic performance of a bridge is further enhanced; and the tensioning spring 17 can limit the sliding block 9 to slide in the sliding rail 7, so that the buffer performance of the sliding block is enhanced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the support rod and the energy-absorbing base of the present invention.
Fig. 3 is an enlarged schematic view of a structure in fig. 2 according to the present invention.
In FIGS. 1-3: the damping device comprises a base 1, a connecting plate 2, a supporting rod 3, a groove 4, an energy absorption base 5, a fixing lantern ring 6, a sliding rail 7, a sliding rod 8, a sliding block 9, a mounting lug 10, a mounting groove 11, a supporting seat 12, a piston column 13, a damping spring 14, a fixing column 15, an expansion spring 16, a tensioning spring 17, an upper damping rod 18, a lower damping rod 19 and a damping spring 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the present invention, a highway bridge damping support based on bridge safety performance comprises a base 1, a connecting plate 2, a supporting rod 3, a groove 4 and an energy-absorbing base 5, wherein the groove 4 is arranged at the axis center of the top of the base 1, the energy-absorbing base 5 is arranged inside the groove 4, the top of the energy-absorbing base 5 is provided with a mounting groove 11, the inside of the mounting groove 11 is provided with a mounting bump 10, the top of the mounting bump 10 is fixedly connected with the supporting rod 3, the surface of the supporting rod 3 is sleeved with a fixing lantern ring 6, both sides of the fixing lantern ring 6 are fixedly connected with a sliding rod 8, the bottom of the loss sliding rod 8 is fixedly connected with a sliding block 9, the bottom of the sliding block 9 is provided with a sliding rail 7, the top of the supporting rod 3 is fixedly connected with a lower damping rod 19, go up the top fixedly connected with supporting seat 12 of shock attenuation pole 18, the inside of supporting seat 12 is provided with expanding spring 16, the both ends fixedly connected with piston post 13 at 1 top of base, and the inside of piston post 13 is provided with damping spring 14, and damping spring 14's top is provided with fixed column 15, fixed column 15's top fixedly connected with connecting plate 2.
In this embodiment, the number of the sliding rods 8 is two, and the tensioning spring 17 is connected between the two sliding rods 8, so that when the sliding block 9 slides inside the sliding rail 7, the two sliding blocks 9 can be tensioned, and the sliding block 9 is prevented from sliding out of the sliding rail 7 under the condition of being subjected to strong external force, and the normal use of the function of the sliding block is prevented from being influenced.
In this embodiment, inside slider 9 sliding connection 7 slide rail, when taking place vibrations, external force can make slider 9 slide to the outside to obtain decomposing the external force that the device received, this bridge damping support's of effectual assurance shock attenuation effect improves the device practicality.
In this embodiment, the bottom of installation lug 10 is the arc form to with mounting groove 11 looks adaptation, and be provided with the cotton cushion of bubble between installation lug 10 and the mounting groove 11, can avoid bracing piece 3 to take place the phenomenon of serious skew effectively, and the cotton cushion of bubble can prevent to take place wearing and tearing between bracing piece 3 and the energy-absorbing base 5, can prolong the device's life.
In this embodiment, go up shock-absorbing rod 18 and shock-absorbing rod 19 and install on same perpendicular line, and same buffer spring 20 has all been cup jointed on both surfaces, can be under the condition of vibrations taking place, and shock-absorbing rod and spring can cooperate fine buffering the bridge transversely to rock, further strengthen the device's stability.
In this embodiment, piston post 13 and fixed column 15 looks adaptation, and fixed column 15 sliding connection is in the inside of piston post 13, and fixed column 15 accessible extrusion damping spring 14 obtains a reaction force and promotes connecting plate 2 rebound, has improved the device's shock attenuation effect.
When the utility model relates to a public road bridge roof beam shock mount based on bridge security performance, firstly, the staff installs the device, when taking place vibrations, and the external force that vibrations produced is transmitted to supporting seat 12 and fixed column 15 through connecting plate 2, and fixed column 15 extrudes damping spring 14 under the effect of external force, and damping spring 14 can produce a reaction force and upwards promote fixed column 15, can make fixed column 15 promote connecting plate 2, reduce the shake that vibrations brought to the bridge, improve the shock attenuation effect; meanwhile, the support seat 12 enables the upper shock absorption rod 18 to directly touch the top end of the lower shock absorption rod 19, and the buffer spring 20 prevents the bridge from laterally deviating due to external force; and the supporting rod 3 can transmit the external force to the energy-absorbing base 5 through the mounting lug 10 to absorb the external force under the extrusion of the supporting seat 12, thereby achieving the purpose of shock absorption; and when the bracing piece 3 moved down, can make the slide bar 8 promote slider 9 and slide to the outside in slide rail 7, taut spring 17 can be with slider 9 restriction in slide rail 7 to obtain decomposing external force, avoid external force to concentrate on acting on a department, further strengthened the anti-seismic performance of bridge.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (6)

1. A highway bridge damping bearing based on bridge safety performance comprises a base (1), a connecting plate (2), a supporting rod (3), a groove (4) and an energy-absorbing base (5), and is characterized in that the groove (4) is arranged at the axis center of the top of the base (1), the energy-absorbing base (5) is arranged inside the groove (4), a mounting groove (11) is arranged at the top of the energy-absorbing base (5), a mounting lug (10) is arranged inside the mounting groove (11), the supporting rod (3) is fixedly connected to the top of the mounting lug (10), a fixing sleeve ring (6) is sleeved on the surface of the supporting rod (3), slide rods (8) are fixedly connected to two sides of the fixing sleeve ring (6), a sliding block (9) is fixedly connected to the bottom of the loss slide rod (8), and a sliding rail (7) is arranged at the bottom of the sliding, damping rod (19) under the top fixedly connected with of bracing piece (3), buffer spring (20) have been cup jointed on the surface of damping rod (19) down, the top of damping rod (19) is provided with damping rod (18) down, the top fixedly connected with supporting seat (12) of last damping rod (18), the inside of supporting seat (12) is provided with expanding spring (16), both ends fixedly connected with piston post (13) at base (1) top, the inside of piston post (13) is provided with damping spring (14), the top of damping spring (14) is provided with fixed column (15), the top fixedly connected with connecting plate (2) of fixed column (15).
2. The bridge safety performance-based road and bridge damping support according to claim 1, wherein: the number of the sliding rods (8) is two, and a tension spring (17) is connected between the two sliding rods (8).
3. The bridge safety performance-based road and bridge damping support according to claim 1, wherein: the sliding block (9) is connected inside the sliding rail (7) in a sliding mode.
4. The bridge safety performance-based road and bridge damping support according to claim 1, wherein: the bottom of installation lug (10) is the arc form to with mounting groove (11) looks adaptation, and be provided with the cotton cushion of bubble between installation lug (10) and mounting groove (11).
5. The bridge safety performance-based road and bridge damping support according to claim 1, wherein: the upper shock absorption rod (18) and the lower shock absorption rod (19) are arranged on the same vertical line, and the surfaces of the upper shock absorption rod and the lower shock absorption rod are sleeved with the same buffer spring (20).
6. The bridge safety performance-based road and bridge damping support according to claim 1, wherein: the piston column (13) is matched with the fixing column (15), and the fixing column (15) is connected to the inside of the piston column (13) in a sliding mode.
CN201921586412.2U 2019-09-23 2019-09-23 Public road bridge roof beam shock-absorbing support based on bridge security performance Active CN210797253U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921586412.2U CN210797253U (en) 2019-09-23 2019-09-23 Public road bridge roof beam shock-absorbing support based on bridge security performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921586412.2U CN210797253U (en) 2019-09-23 2019-09-23 Public road bridge roof beam shock-absorbing support based on bridge security performance

Publications (1)

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CN210797253U true CN210797253U (en) 2020-06-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111764258A (en) * 2020-07-16 2020-10-13 仲恺农业工程学院 Assembled bridge seismic isolation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111764258A (en) * 2020-07-16 2020-10-13 仲恺农业工程学院 Assembled bridge seismic isolation device

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