CN214301334U

CN214301334U - Vibration damper for bridge widening construction

Info

Publication number: CN214301334U
Application number: CN202120029227.4U
Authority: CN
Inventors: 刘振华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-09-28
Anticipated expiration: 2031-01-07

Abstract

The utility model belongs to the technical field of the bridge is widened, especially, for a damping device is used in construction is widened to bridge, including old bridge layer and new bridge layer, the mount is installed to old bridge layer and new bridge layer bottom bolt, first bolt is installed in pegging graft in mount bottom both sides, first bolt top is run through the mount and is extended to in old bridge layer and the new bridge layer, mount top welding installs the backup pad, the backup pad is old bridge layer and new bridge layer to the laminating with corresponding, mount top welding installs the connecting pipe, connecting pipe one side welding installation has first mount pad, the backup pad is close to one side welding of connecting pipe and installs the second mount pad, second mount pad top is rotated and is installed viscous damper, viscous damper top joint is installed and is connected the fastener. The utility model discloses effectual assurance bulk connection slows down the vibrations between the new and old bridge, avoids the poor emergence of amount of deflection, has guaranteed construction quality.

Description

Vibration damper for bridge widening construction

Technical Field

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

Background

With the rapid development of reform development and economic construction in China, the modern construction of highways and urban roads is accelerated, a large number of highway bridges which are put into operation are built at early stage, the service level cannot meet the current traffic demand, the service level is obviously reduced, serious problems exist, such as traffic jam, slow driving speed, difficult traffic organization and difficult normal development of daily maintenance work, the function of a rapid channel is seriously restricted, and the long-term sustainable development of the economy along the line is not facilitated.

However, at present, the integral connection is mostly adopted in the old bridge widening project, but when the integral connection is adopted for widening, the new bridge and the old bridge are mutually influenced, the newly-built bridge is restrained by the old bridge, the stress is complex, the influence factors are more, the construction quality is not easy to guarantee, in the old bridge reforming project, the connection between the new bridge and the old bridge is often realized by adopting a cast-in-place section, when traffic load exists on the old bridge, the old bridge is subjected to vibration impact, the deflection difference can be generated between the new bridge and the old bridge, and the deflection difference can seriously influence the quality of cast-in-place concrete, therefore, the vibration damper for widening the bridge is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the damping device is used in construction is widened to a bridge that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vibration damping device for bridge widening construction comprises an old bridge layer and a new bridge layer, wherein fixing frames are installed at the bottom ends of the old bridge layer and the new bridge layer through bolts, first bolts are installed on two sides of the bottom end of each fixing frame in an inserting mode, the top ends of the first bolts penetrate through the fixing frames and extend into the old bridge layer and the new bridge layer, supporting plates are installed at the top ends of the fixing frames in a welding mode, the supporting plates are correspondingly attached to the old bridge layer and the new bridge layer in a fitting mode, connecting pipes are installed at the top ends of the fixing frames in a welding mode, first installation seats are installed on one sides of the connecting pipes in a welding mode, second installation seats are installed on one sides, close to the connecting pipes, of the supporting plates in a welding mode, viscous dampers are installed at the top ends of the second installation seats in a rotating mode, connecting clamping pieces are installed at the top ends of the viscous dampers in a clamping mode, the connecting pieces are rotatably connected with the first installation seats, and connecting frames are installed on the top ends of the old bridge layer and the new bridge layer through bolts, the utility model discloses a safety protection device for vehicle, including link, connecting frame, nut, connecting piece, connecting pipe, connecting piece, nut, connecting piece, connecting pipe internal thread, nut, connecting piece, nut, fixing bolt, protecting cushion, fixing bolt, connecting piece, fixing piece, connecting piece, fixing piece, connecting piece, screw rod, connecting piece, nut, connecting piece, fixing piece, and the connecting piece.

Preferably, open the piece and be the back taper, and with the backup pad joint is connected, the backup pad both sides correspond open the piece and seted up the opening, open a bottom welded mounting and have the go-between, the go-between bottom extends to in the backup pad.

Preferably, there are two sets of viscous dampers, and there are four in each set, and the viscous dampers are arranged on two sides of the connecting pipe close to the supporting plate through the first mounting seat and the second mounting seat in parallel.

Preferably, the two ends of the screw rod are provided with gaskets in a sliding manner, and the gaskets are abutted to the corresponding connecting frame and the corresponding fixing frame.

Preferably, the protective rubber mat is connected with the old bridge layer and the new bridge layer through fixing bolts.

Preferably, the top end of the pressure reducing spring is abutted against the top end of the inner wall of the protective rubber pad.

Compared with the prior art, the beneficial effects of the utility model are that: when in use, the fixed frame is arranged at the bottom ends of the adjacent parts of the old bridge layer and the new bridge layer through the first bolt, wherein the supporting plate is tightly attached to the old bridge layer and the new bridge layer under the action of the viscous damper, the screw rod is arranged in the connecting pipe, the top end of the connecting frame is fixedly arranged, wherein the opening block is embedded into the two support plates, the two support plates are further opened slowly along with the reinforcement of the second bolt, against the old bridge layer and the new bridge layer, the screw rod is exposed out of the bottom end of the fixed frame and is reinforced by the screw cap, the protective rubber pad is covered on the connecting frame by the pressure reducing spring and is fixedly installed by the fixing bolt, when the old bridge layer and the new bridge layer receive vibration, the two groups of viscous dampers can play a good connection shock absorption role through the connection of the first mounting seat and the second mounting seat, wherein the protective rubber mat plays the roles of repairing and protecting the surface of the reinforced part and is convenient to pass.

The utility model has the advantages of reasonable overall design, easy operation, convenient to use, effectual assurance monolithic connectivity slows down the vibrations between new and old bridge, avoids the poor emergence of amount of deflection, has guaranteed construction quality.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

in the figure: 1. an old bridge layer; 2. a new bridge layer; 3. a fixed mount; 4. a first bolt; 5. a support plate; 6. a connecting pipe; 7. a first mounting seat; 8. a second mounting seat; 9. a viscous damper; 10. connecting clamping pieces; 11. a connecting frame; 12. a second bolt; 13. opening the block; 14. a screw; 15. a nut; 16. a relief spring; 17. a protective rubber pad; 18. and (5) fixing the bolt.

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. 1-2, the present invention provides a technical solution: a vibration damper for bridge widening construction comprises an old bridge layer 1 and a new bridge layer 2, wherein the bottom ends of the old bridge layer 1 and the new bridge layer 2 are fixedly provided with a fixed frame 3, two sides of the bottom end of the fixed frame 3 are fixedly provided with first bolts 4, the top ends of the first bolts 4 penetrate through the fixed frame 3 and extend into the old bridge layer 1 and the new bridge layer 2, the top end of the fixed frame 3 is fixedly provided with a supporting plate 5, the supporting plate 5 is correspondingly jointed with the old bridge layer 1 and the new bridge layer 2, the top end of the fixed frame 3 is fixedly provided with a connecting pipe 6, one side of the connecting pipe 6 is fixedly provided with a first mounting seat 7, one side of the supporting plate 5 close to the connecting pipe 6 is fixedly provided with a second mounting seat 8, the top end of the second mounting seat 8 is rotatably provided with a viscous damper 9, the top end of the viscous damper 9 is fixedly provided with a connecting fastener 10, the connecting fastener 10 is rotatably connected with the first mounting seat 7, the top ends of the old bridge layer 1 and the new bridge layer 2 are fixedly provided with a connecting frame 11, a second bolt 12 is fixedly installed at the top end of the connecting frame 11, the bottom end of the second bolt 12 penetrates through the connecting frame 11 and extends into the old bridge layer 1 and the new bridge layer 2, an opening block 13 is fixedly installed at the bottom end of the connecting frame 11, a screw 14 is movably installed in the connecting pipe 6, two ends of the screw 14 respectively penetrate through the connecting frame 11 and the fixing frame 3 and are fixedly installed with screw caps 15, a pressure reducing spring 16 is fixedly installed at the top end of the connecting frame 11, a protective rubber cushion 17 is movably connected to the top end of the pressure reducing spring 16, and fixing bolts 18 are fixedly installed at two ends of the protective rubber cushion 17;

the opening block 13 is in an inverted cone shape and is movably connected with the supporting plate 5, openings are arranged on two sides of the supporting plate 5 corresponding to the opening block 13, connecting rings are fixedly arranged at the bottom ends of the opening blocks 13, the bottom ends of the connecting rings extend into the supporting plate 5, two groups of viscous dampers 9 are provided, four groups are arranged in each group, the connecting rings are arranged at two sides of the connecting pipe 6 close to the supporting plate 5 in parallel and in sequence through a first mounting seat 7 and a second mounting seat 8, gaskets are arranged at two ends of a screw rod 14 in a sliding manner and abut against corresponding connecting frames 11 and fixing frames 3, a protective rubber cushion 17 is fixedly connected with an old bridge layer 1 and a new bridge layer 2 through fixing bolts 18, the top end of a pressure reducing spring 16 abuts against the top end of the inner wall of the protective rubber cushion 17, the fixing frame 3 is arranged at the bottom ends of the portions, close to the old bridge layer 1 and the new bridge layer 2, the supporting plate 5 is tightly attached to the old bridge layer 1 and the new bridge layer 2 through the first bolts 4 during use, the screw 14 is arranged in the connecting pipe 6, the connecting frame 11 is fixedly arranged at the top end, wherein the opening block 13 is embedded into the two supporting plates 5, the two supporting plates 5 are further slowly opened along with the reinforcement of the second bolt 12 and are abutted against the old bridge layer 1 and the new bridge layer 2, the bottom end of the fixing frame 3 exposed by the screw 14 is reinforced by the nut 15, the protective rubber cushion 17 is covered on the connecting frame 11 by the decompression spring 16, and the fixing bolt 18 is fixedly arranged, when the old bridge layer 1 and the new bridge layer 2 receive vibration, the two groups of viscous dampers 9 can play a good connection damping role by the connection of the first mounting seat 7 and the second mounting seat 8, wherein the protective rubber cushion 17 plays the roles of repairing and protecting the surface of the reinforced part and is convenient to pass, the utility model has reasonable overall design, simple operation, convenient use, effective guarantee of overall connectivity and slow down the vibration between the new bridge and the old bridge, the deflection difference is avoided, and the construction quality is ensured.

The working principle is as follows: when in use, the fixing frame 3 is arranged at the bottom end of the part close to the old bridge layer 1 and the new bridge layer 2 through the first bolt 4, wherein under the action of the viscous damper 9, the supporting plates 5 are tightly attached to the old bridge layer 1 and the new bridge layer 2, the screw 14 is arranged in the connecting pipe 6, the connecting frame 11 is fixedly arranged at the top end, wherein the opening block 13 is embedded into the two supporting plates 5, the two supporting plates 5 are further slowly opened along with the reinforcement of the second bolt 12 and are abutted against the old bridge layer 1 and the new bridge layer 2, the bottom end of the fixing frame 3 exposed by the screw 14 is reinforced by the nut 15, then the protective rubber cushion 17 is covered on the connecting frame 11 through the decompression spring 16 and is fixedly arranged by the fixing bolt 18, when the old bridge layer 1 and the new bridge layer 2 receive vibration, the two groups of viscous dampers 9 can play a good connection shock absorption role through the connection of the first mounting seat 7 and the second mounting seat 8, wherein the protective rubber cushion 17 plays a role in repairing and protecting the surface of the reinforced part, and convenient current, the utility model has the advantages of reasonable overall design, easy operation, convenient to use, effectual assurance monolithic connectivity slows down the vibrations between new and old bridge, avoids the poor emergence of amount of deflection, has guaranteed construction quality.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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, includes old bridge layer (1) and new bridge layer (2), its characterized in that: the novel bridge structure is characterized in that a fixing frame (3) is fixedly arranged at the bottom ends of an old bridge layer (1) and a new bridge layer (2), first bolts (4) are fixedly arranged on two sides of the bottom end of the fixing frame (3), the top ends of the first bolts (4) penetrate through the fixing frame (3) and extend into the old bridge layer (1) and the new bridge layer (2), a supporting plate (5) is fixedly arranged at the top end of the fixing frame (3), the supporting plate (5) is correspondingly attached to the old bridge layer (1) and the new bridge layer (2), a connecting pipe (6) is fixedly arranged at the top end of the fixing frame (3), a first mounting seat (7) is fixedly arranged on one side of the connecting pipe (6), a second mounting seat (8) is fixedly arranged on one side, close to the connecting pipe (6), of the supporting plate (5), a viscous damper (9) is rotatably arranged at the top end of the second mounting seat (8), and a clamping piece connecting piece (10) is fixedly arranged at the top end of the viscous damper (9), the connecting clamping piece (10) is rotationally connected with the first mounting seat (7), the top ends of the old bridge layer (1) and the new bridge layer (2) are fixedly provided with a connecting frame (11), a second bolt (12) is fixedly installed at the top end of the connecting frame (11), the bottom end of the second bolt (12) penetrates through the connecting frame (11) and extends into the old bridge layer (1) and the new bridge layer (2), the bottom end of the connecting frame (11) is fixedly provided with an opening block (13), a screw rod (14) is movably arranged in the connecting pipe (6), two ends of the screw rod (14) respectively penetrate through the connecting frame (11) and the fixing frame (3) and are fixedly provided with screw caps (15), a pressure reducing spring (16) is fixedly arranged at the top end of the connecting frame (11), a protective rubber cushion (17) is movably connected at the top end of the pressure reducing spring (16), and fixing bolts (18) are fixedly arranged at the two ends of the protective rubber mat (17).

2. The vibration damping device for bridge widening construction according to claim 1, wherein: open piece (13) and be the back taper, and with backup pad (5) swing joint, backup pad (5) both sides correspond open piece (13) and seted up the opening, open piece (13) bottom fixed mounting have the go-between, the go-between bottom extends to in backup pad (5).

3. The vibration damping device for bridge widening construction according to claim 1, wherein: two groups of four viscous dampers (9) are arranged, and the four viscous dampers are arranged on two sides of the connecting pipe (6) close to the supporting plate (5) in parallel in sequence through the first mounting seat (7) and the second mounting seat (8).

4. The vibration damping device for bridge widening construction according to claim 1, wherein: the two ends of the screw rod (14) are provided with gaskets in a sliding manner, and the gaskets are abutted to the corresponding connecting frame (11) and the fixing frame (3).

5. The vibration damping device for bridge widening construction according to claim 1, wherein: the protective rubber mat (17) is fixedly connected with the old bridge layer (1) and the new bridge layer (2) through fixing bolts (18).

6. The vibration damping device for bridge widening construction according to claim 1, wherein: the top end of the pressure reducing spring (16) is propped against the top end of the inner wall of the protective rubber cushion (17).