CN216765569U - Shockproof buffer device for bridge design - Google Patents

Abstract

The utility model discloses a shockproof buffer device for bridge design, which comprises a bridge pier and a bridge body, wherein a fixed seat is fixedly arranged at the top end of the bridge pier, the bridge body is positioned above the fixed seat, a connecting plate is fixedly arranged at the bottom of the bridge body, an installation cavity is formed in the fixed seat, four vertical guide rods which are symmetrically arranged in pairs are fixedly arranged in the installation cavity, a same movable plate is slidably sleeved on the four vertical guide rods, a stand column is fixedly arranged at the top of the movable plate, a through hole is formed in the inner wall of the top of the installation cavity, and the top end of the stand column penetrates through the through hole and is fixedly connected with the bottom of the connecting plate. The shock absorption and damping bridge has the advantages of being reasonable in design, good in practicability, capable of achieving secondary buffering and damping of the shock force received by the bridge body, capable of effectively discharging the shock force received by the bridge body, having a secondary shock absorption and damping effect, capable of performing good shock protection on the bridge body and prolonging the service life of the bridge body.

Description

Shockproof buffer device for bridge design

Technical Field

The utility model relates to the technical field of bridges, in particular to a shockproof buffer device for bridge design.

Background

The bridge is generally constructed on rivers, lakes and seas to enable vehicles, pedestrians and other structures to smoothly pass through, and in order to adapt to the modern high-speed development traffic industry, the bridge is also extended to be a building which is constructed to span mountain stream, unfavorable geology or meet other traffic requirements to enable the vehicles, pedestrians and the like to pass through more conveniently.

However, the common shockproof buffer device has a single structure, generally only performs primary shockproof buffering on the shock force received by the bridge, and needs to bear the strength of the material of the device to forcibly bear the external force to perform one-way shockproof, so that the shockproof buffer effect on the bridge is poor, the bridge is easy to damage when being subjected to shock for a long time, and the service life of the bridge is shortened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a shockproof buffer device for bridge design, which solves the problems that the common shockproof buffer device has a single structure, usually only performs primary shockproof buffer on the shock force applied to a bridge, and needs to lean on the strength of the device material to forcibly bear the external force to perform unidirectional shockproof, so that the shockproof buffer effect on the bridge is poor, and the service life of the bridge is shortened.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a buffer that takes precautions against earthquakes for bridge design, including pier and bridge body, the top fixed mounting of pier has the fixing base, the bridge body is located the top of fixing base, the bottom fixed mounting of bridge body has the connecting plate, the installation cavity has been seted up in the fixing base, fixed mounting has four perpendicular guide arms that are two bisymmetry settings in the installation cavity, four are erected and are slided the cover on the guide arm and be equipped with same fly leaf, the top fixed mounting of fly leaf has the stand, the through-hole has been seted up on the top inner wall of installation cavity, the top of stand run through the through-hole and with the bottom fixed connection of connecting plate, be provided with the one-level subassembly that takes precautions against earthquakes in the installation cavity, be provided with a plurality of supporting mechanism between fixing base and the connecting plate, a plurality of supporting mechanism use the stand to be equidistant annular and arrange as the center.

Preferably, a plurality of first balls are nested on the inner wall of the through hole, the first balls are arranged in an equidistant annular mode, and the first balls are in rolling contact with the outer wall of the stand column.

Preferably, the primary shockproof assembly comprises a plurality of first dampers, a plurality of first damping springs, four movable seats, four hinged seats, four connecting columns, four second dampers and four second damping springs, the plurality of first dampers are all fixedly mounted on the inner wall of the bottom of the mounting cavity, the plurality of first dampers are arranged at equal intervals, the bottom ends of the plurality of first damping springs are respectively and fixedly connected with the corresponding first dampers, the top ends of the plurality of first damping springs are all and fixedly connected with the bottom of the movable plate, the four movable seats are symmetrically arranged in the mounting cavity in pairs and are located below the movable plate, the four hinged seats are all fixedly mounted at the bottom of the movable plate, the top ends of the four connecting columns are respectively and rotatably connected with the corresponding hinged seats, the bottom ends of the four connecting columns are respectively and rotatably connected with the corresponding movable seats, and the four connecting columns are all obliquely arranged, the four second dampers are respectively and fixedly installed on one sides of the corresponding movable seats, one ends of the four second damping springs are respectively and fixedly connected with the corresponding second dampers, and the ends, far away from the corresponding second dampers, of the four second damping springs are respectively and fixedly connected with the corresponding vertical guide rods.

Preferably, the bottom of four sliding seats is nested with the second ball, and the four second balls are in rolling contact with the inner wall of the bottom of the mounting cavity.

Preferably, the four vertical guide rods are fixedly provided with transverse guide rods, the four movable seats are respectively sleeved on the corresponding transverse guide rods in a sliding manner, and one ends of the four transverse guide rods far away from the corresponding vertical guide rods are fixedly provided with baffles.

Preferably, the supporting mechanism includes the bottom suspension dagger, go up the pillar, the lower sliding plate, the top sliding plate, the subassembly takes precautions against earthquakes of vertical axis and second grade, bottom suspension dagger fixed mounting is at the top of fixing base, it installs in the bottom of connecting plate to go up pillar fixed mounting, it is located the bottom suspension dagger directly over to go up the pillar, the spout has been seted up down on the top of lower suspension dagger, lower sliding plate slidable mounting is in the spout down, go up the bottom of pillar and seted up the spout, go up the spout slidable mounting in the last spout, the bottom of vertical axis extend to down in the spout and with the top fixed connection of lower sliding plate, the top of vertical axis extends to in the supreme spout and with the bottom fixed connection of last slide.

Preferably, the second-stage shockproof assembly comprises a third damper, a third damping spring, a fourth damper and a fourth damping spring, the third damper is fixedly mounted on the inner wall of the bottom of the lower chute, the bottom end of the third damping spring is fixedly connected with the third damper, the top end of the third damping spring is fixedly connected with the bottom of the lower chute, the fourth damper is fixedly mounted on the inner wall of the top of the upper chute, the top end of the fourth damping spring is fixedly connected with the fourth damper, and the bottom end of the fourth damping spring is fixedly connected with the top of the upper chute.

Preferably, first limiting grooves are formed in inner walls of two sides of the lower sliding groove, two sides of the lower sliding plate are respectively slidably mounted in the corresponding first limiting grooves, second limiting grooves are formed in inner walls of two sides of the upper sliding groove, and two sides of the upper sliding plate are respectively slidably mounted in the corresponding second limiting grooves.

(III) advantageous effects

The utility model provides a shockproof buffer device for bridge design. The method has the following beneficial effects:

(1) this buffer that takes precautions against earthquakes for bridge design through utilizing a plurality of supporting mechanism, can consolidate the support to the junction of pier and bridge body for the installation of bridge body is more firm.

(2) This buffer that takes precautions against earthquakes is used in bridge design through utilizing a plurality of first dampers, a plurality of first damping spring, four second dampers and four second damping spring, can carry out the one-level buffering shock attenuation to the shaking force that the bridge body received.

(3) This buffer takes precautions against earthquakes is used in bridge design, through utilizing a plurality of third dampers, a plurality of third damping springs, a plurality of fourth dampers and a plurality of fourth damping spring, can realize carrying out the second grade buffering shock attenuation to the shaking force that the bridge body received, and then carry out the secondary buffering shock attenuation through the shaking force that receives the bridge body, can effectually carry out the discharge capacity to the shaking force that the bridge body received, the effect of the shockproof buffering of second grade has, can carry out good antidetonation protection to the bridge body, can prolong the life of bridge body, the security performance when ensureing the bridge body and using.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged schematic view of a portion B in fig. 2.

In the figure: 1. a bridge pier; 2. a bridge body; 3. a fixed seat; 4. a connecting plate; 5. a mounting cavity; 6. a vertical guide rod; 7. a movable plate; 8. a column; 9. a through hole; 10. a first damper; 11. a first damping spring; 12. a movable seat; 13. a hinged seat; 14. connecting columns; 15. a second damper; 16. a second damping spring; 17. a transverse guide rod; 18. a lower support pillar; 19. an upper support column; 20. a lower chute; 21. a lower slide plate; 22. an upper chute; 23. an upper slide plate; 24. a vertical axis; 25. a third damper; 26. a third damping spring; 27. a fourth damper; 28. and a fourth damping spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, are not to be construed as limiting the present invention, and furthermore, in the description of the present invention, "plurality" means two or more unless specifically defined otherwise.

As shown in fig. 1 to 4, the present invention provides a technical solution: a shock-proof buffer device for bridge design comprises a bridge pier 1 and a bridge body 2, wherein a fixed seat 3 is fixedly installed at the top end of the bridge pier 1, the bridge body 2 is positioned above the fixed seat 3, a connecting plate 4 is fixedly installed at the bottom of the bridge body 2, an installation cavity 5 is formed in the fixed seat 3, four vertical guide rods 6 which are symmetrically arranged in pairs are fixedly installed in the installation cavity 5, a movable plate 7 is slidably sleeved on the four vertical guide rods 6, the four vertical guide rods 6 are arranged to play a role in guiding the movement direction of the movable plate 7, so that the movable plate 7 can stably and smoothly move in the vertical direction, a stand column 8 is fixedly installed at the top of the movable plate 7, a through hole 9 is formed in the inner wall of the top of the installation cavity 5, the top end of the stand column 8 penetrates through the through hole 9 and is fixedly connected with the bottom of the connecting plate 4, and a one-stage shock-proof component is arranged in the installation cavity 5, be provided with a plurality of supporting mechanism between fixing base 3 and the connecting plate 4, a plurality of supporting mechanism use stand 8 to be equidistant annular and arrange as the center, through setting up one-level shockproof subassembly, can realize carrying out effectual buffering shock attenuation effect to the vibrations power that bridge body 2 received, through setting up a plurality of supporting mechanism, can consolidate the support to the junction of pier 1 and bridge body 2, make the installation of bridge body 2 more firm, and through setting up a plurality of supporting mechanism, also can realize carrying out effectual buffering shock attenuation to the vibrations power that bridge body 2 received.

In this embodiment, the nested a plurality of first balls that have on the inner wall of through-hole 9, a plurality of first balls are equidistant annular and arrange, a plurality of first balls all with stand 8's outer wall rolling contact, through setting up a plurality of first balls for stand 8 slides in through-hole 9 more smoothly.

In this embodiment, the primary anti-vibration assembly includes a plurality of first dampers 10, a plurality of first damping springs 11, four movable seats 12, four hinged seats 13, four connecting columns 14, four second dampers 15 and four second damping springs 16, the plurality of first dampers 10 are all fixedly mounted on the inner wall of the bottom of the mounting cavity 5, the plurality of first dampers 10 are arranged at equal intervals, the bottom ends of the plurality of first damping springs 11 are respectively fixedly connected with the corresponding first dampers 10, the top ends of the plurality of first damping springs 11 are all fixedly connected with the bottom of the movable plate 7, the four movable seats 12 are symmetrically arranged in the mounting cavity 5 in pairs and located below the movable plate 7, the four hinged seats 13 are all fixedly mounted at the bottom of the movable plate 7, the top ends of the four connecting columns 14 are respectively rotatably connected with the corresponding hinged seats 13, the bottom ends of the four connecting columns 14 are respectively rotatably connected with the corresponding movable seats 12, four spliced poles 14 are the slope setting, four second dampers 15 are fixed mounting respectively in one side of corresponding sliding seat 12, four second damping spring 16's one end respectively with corresponding second damper 15 fixed connection, four second damping spring 16 keep away from corresponding second damper 15's one end respectively with corresponding perpendicular guide arm 6 fixed connection, through utilizing a plurality of first dampers 10, a plurality of first damping spring 11, four second dampers 15 and four second damping spring 16, can carry out the one-level shock attenuation to the shaking force that bridge body 2 received.

In this embodiment, the bottom of four sliding seats 12 is all nested has the second ball, and four second balls all with the bottom inner wall rolling contact of installation cavity 5, through setting up the second ball for sliding of sliding seats 12 is more smooth and easy.

In this embodiment, the four vertical guide rods 6 are all fixedly provided with the horizontal guide rods 17, the four movable seats 12 are respectively slidably sleeved on the corresponding horizontal guide rods 17, one ends of the four horizontal guide rods 17 far away from the corresponding vertical guide rods 6 are all fixedly provided with the baffle, and the transverse guide rods 17 are arranged to guide the moving direction of the movable seats 12.

In the embodiment, the supporting mechanism includes a lower supporting column 18, an upper supporting column 19, a lower sliding plate 21, an upper sliding plate 23, a vertical shaft 24 and a second-stage shockproof assembly, the lower supporting column 18 is fixedly installed at the top of the fixing base 3, the upper supporting column 19 is fixedly installed at the bottom of the connecting plate 4, the upper supporting column 19 is located right above the lower supporting column 18, a lower chute 20 is opened at the top end of the lower supporting column 18, the lower sliding plate 21 is slidably installed in the lower chute 20, an upper chute 22 is opened at the bottom end of the upper supporting column 19, the upper sliding plate 23 is slidably installed in the upper chute 22, the bottom end of the vertical shaft 24 extends into the lower chute 20 and is fixedly connected with the top of the lower sliding plate 21, the top end of the vertical shaft 24 extends into the upper chute 22 and is fixedly connected with the bottom of the upper sliding plate 23, the installation position of the bridge body 2 can be reinforced and supported by the connection and matching of the lower support column 18, the upper support column 19, the lower sliding plate 21, the upper sliding plate 23 and the vertical shaft 24.

In this embodiment, the secondary anti-vibration assembly includes a third damper 25, a third damping spring 26, a fourth damper 27 and a fourth damping spring 28, the third damper 25 is fixedly installed on the bottom inner wall of the lower chute 20, the bottom end of the third damping spring 26 is fixedly connected to the third damper 25, the top end of the third damping spring 26 is fixedly connected to the bottom of the lower sliding plate 21, the fourth damper 27 is fixedly installed on the top inner wall of the upper chute 22, the top end of the fourth damping spring 28 is fixedly connected to the fourth damper 27, the bottom end of the fourth damping spring 28 is fixedly connected to the top of the upper sliding plate 23, and the third damper 25, the third damping spring 26, the fourth damper 27 and the fourth damping spring 28 are utilized to perform secondary anti-vibration buffering on the vibration force received by the bridge body 2.

In this embodiment, all seted up first spacing groove on the both sides inner wall of lower spout 20, the both sides of lower slide 21 are slidable mounting respectively at corresponding first spacing inslot, the second spacing groove has all been seted up on the both sides inner wall of upper chute 22, the both sides of upper slide 23 are slidable mounting respectively at corresponding second spacing inslot, through setting up first spacing groove, can carry on spacingly to the sliding stroke of lower slide 21, through setting up the second spacing groove, can carry on spacingly to the removal stroke of upper slide 23.

When in use, the plurality of supporting mechanisms are utilized to reinforce and support the joint of the pier 1 and the bridge body 2, so that the bridge body 2 is more firmly installed, when the bridge body 2 generates micro motion due to vibration, the bridge body 2 drives the connecting plate 4, the upright post 8 and the movable plate 7 to perform micro motion in the vertical direction, when the movable plate 7 performs movement in the vertical direction, the plurality of first damping springs 11 are all stressed and deformed, the movable plate 7 drives the four hinged seats 13 to move, the four connecting columns 14 respectively rotate at the respective joints thereof, so that the four connecting columns 14 push the corresponding movable seats 12 to perform horizontal movement, the four second damping springs 16 are all stressed and deformed, and further, the plurality of first dampers 10, the plurality of first damping springs 11, the four second dampers 15 and the four second damping springs 16 are utilized to perform primary buffering and damping on the vibration force applied to the bridge body 2, for unloading a certain vibration force, when the bridge body 2 drives the connecting plate 4 to make micro motion, the connecting plate 4 drives the upper supporting columns 19 to move in the vertical direction, so that the vertical shafts 24 move in the vertical direction, at the moment, the third damping springs 26 and the fourth damping springs 28 are all stressed to deform, and further, the third dampers 25, the third damping springs 26, the fourth dampers 27 and the fourth damping springs 28 are utilized to realize secondary buffering and damping of the vibration force applied to the bridge body 2 for unloading a certain vibration force, so that secondary buffering and damping are carried out on the vibration force applied to the bridge body 2, the vibration force applied to the bridge body 2 can be effectively discharged, the secondary buffering and damping effect is achieved, and the good anti-vibration protection effect on the bridge body 2 is achieved, the service life of the bridge body 2 can be prolonged, the safety performance of the bridge body 2 in use can be ensured, and the contents which are not described in detail in the specification belong to the prior art which is known by professional technicians in the field.

To sum up, this shockproof buffer for bridge design can realize carrying out the secondary buffering shock attenuation to the shaking force that bridge body 2 received, can effectually carry out the exorcism to the shaking force that bridge body 2 received, has the shockproof effect of buffering of second grade, can carry out good antidetonation protection to bridge body 2, has prolonged bridge body 2's life.

Claims (8)

1. The utility model provides a bridge design is with buffer that takes precautions against earthquakes, includes pier (1) and bridge body (2), its characterized in that: the bridge is characterized in that a fixing seat (3) is fixedly mounted at the top end of the bridge pier (1), the bridge body (2) is located above the fixing seat (3), a connecting plate (4) is fixedly mounted at the bottom of the bridge body (2), a mounting cavity (5) is formed in the fixing seat (3), four vertical guide rods (6) which are symmetrically arranged in pairs are fixedly mounted in the mounting cavity (5), a same movable plate (7) is slidably sleeved on the vertical guide rods (6), stand columns (8) are fixedly mounted at the top of the movable plate (7), through holes (9) are formed in the inner wall of the top of the mounting cavity (5), the top ends of the stand columns (8) penetrate through the through holes (9) and are fixedly connected with the bottom of the connecting plate (4), a one-level shockproof assembly is arranged in the mounting cavity (5), and a plurality of supporting mechanisms are arranged between the fixing seat (3) and the connecting plate (4), the supporting mechanisms are annularly arranged at equal intervals by taking the upright column (8) as the center.

2. The quakeproof buffering device for bridge design according to claim 1, wherein: a plurality of first balls are nested on the inner wall of the through hole (9), the first balls are annularly arranged at equal intervals, and the first balls are in rolling contact with the outer wall of the upright post (8).

3. The quakeproof buffering device for bridge design according to claim 1, wherein: the primary shockproof assembly comprises a plurality of first dampers (10), a plurality of first damping springs (11), four movable seats (12), four hinged seats (13), four connecting columns (14), four second dampers (15) and four second damping springs (16), wherein the first dampers (10) are fixedly mounted on the inner wall of the bottom of the mounting cavity (5), the first dampers (10) are arranged at equal intervals, the bottom ends of the first damping springs (11) are fixedly connected with the corresponding first dampers (10), the top ends of the first damping springs (11) are fixedly connected with the bottom of the movable plate (7), the four movable seats (12) are symmetrically arranged in the mounting cavity (5) in pairs and are located below the movable plate (7), and the four hinged seats (13) are fixedly mounted at the bottom of the movable plate (7), four the top of spliced pole (14) respectively with corresponding articulated seat (13) rotate to be connected, four the bottom of spliced pole (14) respectively with corresponding movable seat (12) rotate to be connected, four spliced pole (14) are the slope setting, four second attenuator (15) fixed mounting respectively is corresponding one side of movable seat (12), four the one end of second damping spring (16) respectively with corresponding second attenuator (15) fixed connection, four the one end that corresponding second attenuator (15) was kept away from in second damping spring (16) respectively with corresponding perpendicular guide arm (6) fixed connection.

4. The quakeproof buffering device for bridge design according to claim 3, wherein: and the bottoms of the four movable seats (12) are nested with second balls, and the four second balls are in rolling contact with the inner wall of the bottom of the installation cavity (5).

5. The quakeproof buffering device for bridge design according to claim 3, wherein: horizontal guide rods (17) are fixedly mounted on the four vertical guide rods (6), the four movable seats (12) are respectively sleeved on the corresponding horizontal guide rods (17) in a sliding mode, and baffles are fixedly mounted at one ends, away from the corresponding vertical guide rods (6), of the horizontal guide rods (17).

6. The quakeproof buffering device for bridge design according to claim 1, wherein: supporting mechanism includes bottom suspension dagger (18), goes up support column (19), lower slide (21), upper slide (23), vertical axis (24) and the shockproof subassembly of second grade, bottom suspension dagger (18) fixed mounting be in the top of fixing base (3), it is in to go up support column (19) fixed mounting the bottom of connecting plate (4), it is located to go up support column (19) directly over lower support column (18), lower spout (20) have been seted up on the top of lower support column (18), lower slide (21) slidable mounting be in lower spout (20), go up spout (22) have been seted up to the bottom of support column (19), it installs to go up slide (23) slidable mounting in last spout (22), the bottom of vertical axis (24) extend to in lower spout (20) and with the top fixed connection of lower slide (21), the top of vertical axis (24) extend to in last spout (22) and with the bottom of going up slide (23) takes precautions against earthquakes subassembly And (4) fixedly connecting.

7. The quakeproof buffering device for bridge design according to claim 6, wherein: the second-stage shockproof assembly comprises a third damper (25), a third damping spring (26), a fourth damper (27) and a fourth damping spring (28), the third damper (25) is fixedly installed on the inner wall of the bottom of the lower sliding chute (20), the bottom end of the third damping spring (26) is fixedly connected with the third damper (25), the top end of the third damping spring (26) is fixedly connected with the bottom of the lower sliding plate (21), the fourth damper (27) is fixedly installed on the inner wall of the top of the upper sliding chute (22), the top end of the fourth damping spring (28) is fixedly connected with the fourth damper (27), and the bottom end of the fourth damping spring (28) is fixedly connected with the top of the upper sliding plate (23).

8. The quakeproof buffering device for bridge design according to claim 6, wherein: first limiting grooves are formed in inner walls of two sides of the lower sliding groove (20), two sides of the lower sliding plate (21) are respectively installed in the corresponding first limiting grooves in a sliding mode, second limiting grooves are formed in inner walls of two sides of the upper sliding groove (22), and two sides of the upper sliding plate (23) are respectively installed in the corresponding second limiting grooves in a sliding mode.

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