CN214362963U

CN214362963U - Vibration damper for bridge widening construction

Info

Publication number: CN214362963U
Application number: CN202120288321.1U
Authority: CN
Inventors: 刘长春; 张志勇; 李亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-10-08
Anticipated expiration: 2031-02-01

Abstract

The utility model relates to the technical field of bridge widening equipment, in particular to a vibration damper for bridge widening construction, which comprises an old bridge body, a new bridge body, a vibration damping component, a moving groove, a moving block, a fixed block, a buffer block and a fixed column, wherein the vibration damping component comprises a fixed plate, the left end and the right end of the fixed plate are respectively connected with two left mounting plates and two right mounting plates, a vibration damping plate is connected between opposite ends of the two left mounting plates, the inner wall of the vibration damping plate is connected with a connecting block, the top end and the bottom end of the connecting block are both connected with a first spring, a connecting plate is connected between opposite ends of the two right mounting plates, the right end of the connecting plate is connected with the left end of the new bridge body, the left end of the fixed plate is provided with two buffer grooves, an auxiliary buffer component is arranged inside each buffer groove, the auxiliary buffer component can buffer the force of vertical vibration generated when a vehicle passes through, and effectively improves the vertical buffer capacity, the damping effect is better, and the practicality is stronger.

Description

Vibration damper for bridge widening construction

Technical Field

The utility model relates to an equipment technical field is widened to the bridge, specifically is a damping device is used in construction is widened to bridge.

Background

As is well known, with the rapid development of national reform development and economic construction, the modern construction of highways and urban roads is also accelerating, the service level of a large number of highways and bridges constructed in early stage has been obviously reduced, and it is difficult to meet the increasing traffic demand, and there are serious problems, such as traffic jam, slow driving speed, difficulty in traffic organization, and difficulty in normal development of daily maintenance work, so that it is necessary to widen the old bridge to meet the traffic demand, and in the process of widening the old bridge, the vibration generated by the vehicle running on the old bridge causes the difference in deflection between the old bridge and the new bridge, which affects the construction of the new bridge, so a vibration damping device is required in the bridge widening construction process.

The existing bridge widening connecting device is used for damping through transversely arranging the spring, but the vibration generated when a vehicle passes through the bridge is vertical, the transversely arranged spring has small force buffering effect, and the damping effect is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a can cushion the power of the vertical vibration that the vehicle produced during process, effectively improve vertical buffer capacity, the damping effect is better, and damping device is used in the construction is widened to the stronger bridge of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a vibration damping device for bridge widening construction comprises an old bridge body, a new bridge body and a vibration damping assembly, wherein the vibration damping assembly comprises a fixed plate, the left end and the right end of the fixed plate are fixedly connected with two left mounting plates and two right mounting plates respectively, one ends of the two left mounting plates, which are close to the middle part of the old bridge body, are fixedly connected with the old bridge body through a plurality of bolts, one ends of the two right mounting plates, which are close to the middle part of the new bridge body, are fixedly connected with the new bridge body through a plurality of bolts, a vibration damping plate is fixedly connected between opposite ends of the two left mounting plates, the right end of the vibration damping plate is fixedly connected with the left end of the fixed plate, the middle part of the inner wall of the vibration damping plate is fixedly connected with a connecting block, the top end and the bottom end of the connecting block are fixedly connected with first springs, one end, which is far away from the connecting block, of each first spring is fixedly connected with a buffer block, the upper part and the lower part of the inner wall of the vibration damping plate are provided with moving grooves, and moving blocks are slidably connected inside each moving groove, each movable block is close to the equal and corresponding buffer block fixed connection of one end of each corresponding buffer block, each the equal fixedly connected with fixed block of one end that the left side mounting panel is close to the connecting block, fixedly connected with connecting plate between the looks remote site of two right mounting panels, the right-hand member of connecting plate and the left end fixed connection of new bridge body, a plurality of fixed columns of left end fixedly connected with of connecting plate, the left end of each fixed column all with the right-hand member fixed connection of fixed plate, the left end of fixed plate is provided with two dashpots, the inside of each dashpot all is provided with supplementary buffering subassembly.

Preferably, the auxiliary buffering assembly comprises a pressing block, one end of the pressing block, which is close to the middle part of the fixing plate, is fixedly connected with a second spring, one end of the second spring, which is close to the middle part of the fixing plate, and one end of the inner wall of the buffering groove, which are close to the middle part of the fixing plate, are fixedly connected with one end of the inner wall of the buffering groove, which is close to the middle part of the fixing plate, of the second spring, buffering columns are arranged inside the buffering columns, one end, which is far away from the middle part of the fixing plate, of each buffering column is fixedly connected with one end, which is close to the middle part of the fixing plate, of each corresponding pressing block, one end, which is close to the middle part of the fixing plate, of each buffering groove is communicated with an extending groove, and the other end of each buffering column is inserted into the corresponding extending groove.

Preferably, the top end and the bottom end of the fixing plate are both fixedly connected with a limiting plate.

Preferably, the left end fixedly connected with a plurality of first spacing posts of damping plate, the right-hand member fixedly connected with a plurality of second spacing posts of connecting plate, the left end of each first spacing post all inserts the inside to old bridge body, and the left end of each second spacing post all inserts the inside to new bridge body.

Preferably, the right end of the connecting plate, the left end of the vibration damping plate, the outer wall of each first limiting column and the outer wall of each second limiting column are coated with anticorrosive coatings.

Preferably, each buffer block is made of a silica gel material.

(III) advantageous effects

Compared with the prior art, the utility model provides a damping device is used in construction is widened to bridge possesses following beneficial effect:

this damping device for construction is widened to bridge, there is the vehicle process on old pontic, when old pontic produces the vibration, each left mounting panel receives the power of vibration and extrudees to the centre, produce supplementary buffering to each left mounting panel through supplementary buffering subassembly, move to the centre through each left mounting panel, drive each fixed block and move to the centre, make each fixed block and each buffer block contact that corresponds, each buffer block extrudees each and corresponds first spring, each first spring compression makes each buffer block cushion the damping to the power that each fixed block striking produced, each movable block carries out spacingly to the moving direction of buffer block, it is crooked to take place when preventing each buffer block to remove, influence the device and use, reached and can cushion the power of the vertical vibration that the vehicle process produced, effectively improve vertical buffer capacity, the damping effect is better, the stronger effect of practicality.

Drawings

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

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

fig. 3 is a schematic view of the structure of the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. an old pontic; 2. a new pontic; 3. a fixing plate; 4. a left mounting plate; 5. a right mounting plate; 6. a bolt; 7. a vibration damping plate; 8. connecting blocks; 9. a first spring; 10. a buffer block; 11. a moving block; 12. a fixed block; 13. a connecting plate; 14. fixing a column; 15. briquetting; 16. a second spring; 17. a buffer column; 18. an extension groove; 19. a limiting plate; 20. a first limit post; 21. a second limit post; 22. and (4) an anticorrosive coating.

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.

Example (b):

referring to fig. 1-4, a vibration damper for bridge widening construction comprises an old bridge body 1, a new bridge body 2 and a vibration damping assembly, wherein the vibration damping assembly comprises a fixed plate 3, the left end and the right end of the fixed plate 3 are respectively and fixedly connected with two left mounting plates 4 and two right mounting plates 5, one ends of the two left mounting plates 4 close to the middle of the old bridge body 1 are both connected with the old bridge body 1 through a plurality of bolts 6, one ends of the two right mounting plates 5 close to the middle of the new bridge body 2 are both connected with the new bridge body 2 through a plurality of bolts 6, a vibration damping plate 7 is fixedly connected between opposite ends of the two left mounting plates 4, the right end of the vibration damping plate 7 is fixedly connected with the left end of the fixed plate 3, a connecting block 8 is fixedly connected with the middle part of the inner wall of the vibration damping plate 7, the top end and the bottom end of the connecting block 8 are both fixedly connected with first springs 9, and one end of each first spring 9 far from the connecting block 8 is both fixedly connected with a buffer block 10, the upper part and the lower part of the inner wall of the damping plate 7 are respectively provided with a moving groove, the inner part of each moving groove is slidably connected with a moving block 11, one end of each moving block 11 close to each corresponding buffer block 10 is fixedly connected with each corresponding buffer block 10, one end of each left mounting plate 4 close to the connecting block 8 is fixedly connected with a fixed block 12, a connecting plate 13 is fixedly connected between the opposite ends of the two right mounting plates 5, the right end of the connecting plate 13 is fixedly connected with the left end of the new bridge body 2, the left end of the connecting plate 13 is fixedly connected with a plurality of fixed columns 14, the left end of each fixed column 14 is fixedly connected with the right end of the fixed plate 3, the left end of the fixed plate 3 is provided with two buffer grooves, the inner part of each buffer groove is provided with an auxiliary buffer assembly, the auxiliary buffer assembly comprises a pressing block 15, one end of the pressing block 15 close to the middle part of the fixed plate 3 is fixedly connected with a second spring 16, one end of the second spring 16 close to the middle part of the fixed plate 3 is fixedly connected with one end of the inner wall of the buffer groove close to the middle part of the fixed plate 3, the inside of the second spring 16 is provided with a buffer column 17, one end of each buffer column 17 far away from the middle part of the fixed plate 3 is fixedly connected with one end of each corresponding pressing block 15 close to the middle part of the fixed plate 3, one end of each buffer groove close to the middle part of the fixed plate 3 is communicated with an extension groove 18, the other end of each buffer column 17 is inserted into the inside of each corresponding extension groove 18, each pressing block 15 is driven to move towards the middle by each left mounting plate 4, each pressing block 15 extrudes each second spring 16 and simultaneously drives each buffer column 17 to move towards the middle, each buffer column 17 is contacted with one end of each extension groove 18 close to the middle part of the fixed plate 3 to buffer each left mounting plate 4, the buffer effect of the device is improved, vehicles pass through the old bridge 1, when the old bridge 1 vibrates, each left mounting plate 4 is extruded towards the middle by the vibrating force, each left mounting plate 4 generates auxiliary buffer by the auxiliary buffer component, move to the centre through each left mounting panel 4, drive each fixed block 12 and move to the centre, make each fixed block 12 and each corresponding buffer block 10 contact, each buffer block 10 extrudees each corresponding first spring 9, each first spring 9 compression makes each buffer block 10 cushion the damping to the power that each fixed block 12 striking produced, each movable block 11 is spacing to the moving direction of buffer block 10, take place crooked when preventing each buffer block 10 to remove, influence the device and use, reached and can cushion the power of the vertical vibration that the vehicle process produced, effectively improve vertical buffer capacity, the damping effect is better, the stronger effect of practicality.

Furthermore, the top end and the bottom end of the fixed plate 3 are fixedly connected with limiting plates 19 to limit the pressing blocks 15, so that the pressing blocks 15 are prevented from being separated from the fixed plate 3, and the use reliability of the device is enhanced; the left end of the vibration reduction plate 7 is fixedly connected with a plurality of first limiting columns 20, the right end of the connecting plate 13 is fixedly connected with a plurality of second limiting columns 21, the left end of each first limiting column 20 is inserted into the old bridge body 1, and the left end of each second limiting column 21 is inserted into the new bridge body 2, so that the stability of the device is improved; the right end of the connecting plate 13, the left end of the vibration reduction plate 7, the outer wall of each first limiting column 20 and the outer wall of each second limiting column 21 are coated with anticorrosive coatings 22, so that the connecting plate 13, the vibration reduction plate 7, the first limiting columns 20 and the second limiting columns 21 are prevented from being corroded due to long-term contact with the interiors of the old bridge body 1 and the new bridge body 2, and the reliability of the device is improved; each buffer block 10 is made of silica gel, so that the buffer effect of the device is improved.

In summary, the working principle and the working process of the vibration damper for bridge widening construction are that vehicles pass through the old bridge body 1, when the old bridge body 1 vibrates, each left mounting plate 4 is pressed towards the middle by the vibration force, the auxiliary buffer assembly generates auxiliary buffer for each left mounting plate 4, each left mounting plate 4 moves towards the middle to drive each fixed block 12 to move towards the middle, each fixed block 12 is in contact with each corresponding buffer block 10, each buffer block 10 extrudes each corresponding first spring 9, and each first spring 9 is compressed to enable each buffer block 10 to buffer and damp the force generated by the impact of each fixed block 12.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a damping device is used in construction is widened to bridge which characterized in that: comprises an old bridge body (1), a new bridge body (2) and a vibration damping component, wherein the vibration damping component comprises a fixed plate (3), the left end and the right end of the fixed plate (3) are respectively and fixedly connected with two left mounting plates (4) and two right mounting plates (5), one ends of the two left mounting plates (4) close to the middle part of the old bridge body (1) are respectively connected with the old bridge body (1) through a plurality of bolts (6), one ends of the two right mounting plates (5) close to the middle part of the new bridge body (2) are respectively connected with the new bridge body (2) through a plurality of bolts (6), a vibration damping plate (7) is fixedly connected between the opposite ends of the two left mounting plates (4), the right end of the vibration damping plate (7) is fixedly connected with the left end of the fixed plate (3), the middle part of the inner wall of the vibration damping plate (7) is fixedly connected with a connecting block (8), the top end and the bottom end of the connecting block (8) are respectively and fixedly connected with a first spring (9), one end of each first spring (9) far away from the connecting block (8) is fixedly connected with a buffer block (10), the upper part and the lower part of the inner wall of the vibration damping plate (7) are respectively provided with a moving groove, the inside of each moving groove is respectively connected with a moving block (11) in a sliding way, one end of each moving block (11) close to each corresponding buffer block (10) is respectively and fixedly connected with each corresponding buffer block (10), one end of each left mounting plate (4) close to the connecting block (8) is respectively and fixedly connected with a fixed block (12), a connecting plate (13) is fixedly connected between opposite ends of the two right mounting plates (5), the right end of the connecting plate (13) is fixedly connected with the left end of the new bridge body (2), the left end of the connecting plate (13) is fixedly connected with a plurality of fixed columns (14), the left end of each fixed column (14) is respectively and fixedly connected with the right end of the fixed plate (3), and the left end of the fixed plate (3) is provided with two buffer grooves, the inside of each dashpot all is provided with supplementary buffering subassembly.

2. The vibration damping device for bridge widening construction according to claim 1, wherein: the auxiliary buffering assembly comprises a pressing block (15), one end of the pressing block (15) close to the middle of the fixing plate (3) is fixedly connected with a second spring (16), one end of the second spring (16) close to the middle of the fixing plate (3) and one end of the inner wall of the buffering groove close to the middle of the fixing plate (3) are fixedly connected with one end of the inner wall of the buffering groove close to the middle of the fixing plate (3), buffering columns (17) are arranged inside the second spring (16), one end of each buffering column (17) far away from the middle of the fixing plate (3) is fixedly connected with one end of each corresponding pressing block (15) close to the middle of the fixing plate (3), one end of each buffering groove close to the middle of the fixing plate (3) is communicated with an extending groove (18), and the other end of each buffering column (17) is inserted into the corresponding extending groove (18).

3. The vibration damping device for bridge widening construction according to claim 2, wherein: the top end and the bottom end of the fixed plate (3) are both fixedly connected with limiting plates (19).

4. The vibration damping device for bridge widening construction according to claim 3, wherein: the left end fixedly connected with of damping plate (7) is a plurality of first spacing post (20), and the right-hand member fixedly connected with of connecting plate (13) is a plurality of second spacing post (21), and the left end of each first spacing post (20) all inserts the inside to old bridge body (1), and the left end of each second spacing post (21) all inserts the inside to new bridge body (2).

5. The vibration damping device for bridge widening construction according to claim 4, wherein: the right end of the connecting plate (13), the left end of the vibration damping plate (7), the outer wall of each first limiting column (20) and the outer wall of each second limiting column (21) are coated with anticorrosive coatings (22).

6. The vibration damping device for bridge widening construction according to claim 5, wherein: each buffer block (10) is made of silica gel.