Bridge beam supports with shock-absorbing structure
Technical Field
The utility model belongs to the bridge beam supports field specifically is a bridge beam supports with shock-absorbing structure is related to.
Background
On railway bridges, highway bridges, urban viaducts and various large-scale suspension structure buildings, supports are arranged among bridge girders, piers and platforms to solve the problem of load transfer. The existing support comprises an upper base plate fixed on a bridge body and a lower base plate fixed on a pier; the upper seat plate is provided with a connecting hole, and the upper seat plate is fixed on the bridge body through the connecting hole; the lower seat plate is arranged below the upper seat plate, the lower seat plate is also provided with a connecting hole, and the lower seat plate is fixed on the pier through the connecting hole.
The existing bridge support damping structure is single, the damping effect is poor, the stability of the whole support is poor, and the limitation is large. The existing support is of a uniform specification, is complex in installation process, inconvenient to use, not suitable for stress requirements of all bridges and all parts of the bridges, and poor in use effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bridge beam supports with shock-absorbing structure.
The utility model discloses the technical scheme who adopts as follows:
a bridge support with a damping structure comprises an upper end rubber jacking block, an adjusting column, a base and a second supporting rod, wherein a fixed block is arranged in the upper end rubber jacking block, the adjusting column is arranged at the lower end of the fixed block, an adjusting nut is arranged on the adjusting column, a connecting groove is arranged between the adjusting column and the fixed block, and a connecting block is arranged at the lower end of the adjusting column;
the connecting block lower extreme is provided with the second bracing piece, both ends all are provided with first bracing piece around the second bracing piece, the second bracing piece with be provided with the connecting pin between the first bracing piece, the connecting pin downside is provided with buffer spring, the buffer spring lower extreme is provided with the base, first bracing piece with all be provided with the bearing plate on the second bracing piece, bearing plate one side is provided with the spring board, spring board one side is provided with the backup pad, backup pad one side is provided with adjusting bolt, be provided with the spacing ring on the base, the base inboard is provided with the mounting groove.
Preferably: the mounting groove with base integrated into one piece, the spacing ring through the welding with the base is connected, the base material is 45 steel.
So set up, the mounting groove plays spacing and installation effect, the base plays the supporting role, and integrated into one piece stability is good.
Preferably: the adjusting bolt is connected to the base through threads, and the adjusting bolt is rotatably connected to the supporting plate.
So set up, adjusting bolt plays the regulation effect, is convenient for adjust through threaded connection.
Preferably: the backup pad through the welding with the spring board is connected, the spring board through the buckle with the bearing plate is connected, the spring board through the welding with first bracing piece the second bracing piece is connected.
So set up, the backup pad plays supporting role, the spring plate plays the cushioning effect, has guaranteed joint strength through the welding.
Preferably: the first supporting rod and the second supporting rod are connected with the connecting block through welding, and the connecting pin is rotatably connected with the first supporting rod and the second supporting rod.
So set up, first bracing piece the second bracing piece plays supporting role, the connecting block plays the connection effect, has guaranteed joint strength through the welding.
Preferably: the connecting block through the welding with adjust the post and connect, adjust the post through threaded connection in adjusting nut.
So set up, adjust the post and play the regulation effect, through threaded connection simple to operate.
Preferably: the adjusting column is connected with the fixed block through threads, and the fixed block is embedded in the upper end top rubber block.
So set up, the fixed block plays the connection effect, and it is good to inlay connection stability.
The utility model has the advantages that:
1. firstly, the device is placed at a position to be installed, the positions of the adjusting column and the upper end top rubber block are adjusted, after adjustment, the adjusting column is fixed by using an adjusting nut, and then the position of the spring plate at the inner side of the base is adjusted by using an adjusting bolt, so that the heights of the first supporting rod and the second supporting rod are adjusted, the installation is convenient, the device is suitable for installation at various positions, and the damping effect is ensured;
2. and the adjusting bolt is screwed, so that the first supporting rod and the second supporting rod have enough elastic potential energy, and the first supporting rod and the second supporting rod are fastened at the same time, and the safety of the device is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a bridge bearing with a shock-absorbing structure according to the present invention;
fig. 2 is a schematic structural view of a first support rod of a bridge bearing with a shock-absorbing structure according to the present invention;
FIG. 3 is a schematic view of an internal structure of an upper end apex block of a bridge bearing with a shock-absorbing structure according to the present invention;
fig. 4 is a cross-sectional view of a base left side of a bridge beam supports with shock-absorbing structure.
The reference numerals are explained below:
1. pushing a rubber block at the upper end; 2. an adjustment column; 3. connecting blocks; 4. a first support bar; 5. a second support bar; 6. a connecting pin; 7. a bearing plate; 8. a spring plate; 9. a support plate; 10. adjusting the bolt; 11. a base; 12. a buffer spring; 13. mounting grooves; 14. a fixed block; 15. connecting grooves; 16. adjusting the nut; 17. a limit ring.
Detailed Description
The present invention will be further described with reference to the following examples and drawings.
Examples
As shown in fig. 1-4, a bridge support with a damping structure comprises an upper end rubber ejection block 1, an adjusting column 2, a base 11 and a second support rod 5, wherein a fixed block 14 is arranged inside the upper end rubber ejection block 1, the upper end rubber ejection block 1 plays a mounting role, the fixed block 14 plays a connecting role, the adjusting column 2 is arranged at the lower end of the fixed block 14, the adjusting column 2 plays an adjusting role, an adjusting nut 16 is arranged on the adjusting column 2, the adjusting nut 16 plays a fastening role, a connecting groove 15 is arranged between the adjusting column 2 and the fixed block 14, the connecting groove 15 plays a mounting role, a connecting block 3 is arranged at the lower end of the adjusting column 2, and the connecting block 3 plays a connecting role;
the lower extreme of connecting block 3 is provided with second bracing piece 5, second bracing piece 5 plays and supports and cushioning effect, both ends all are provided with first bracing piece 4 around the second bracing piece 5, be provided with connecting pin 6 between second bracing piece 5 and the first bracing piece 4, connecting pin 6 downside is provided with buffer spring 12, buffer spring 12 lower extreme is provided with base 11, all be provided with bearing plate 7 on first bracing piece 4 and the second bracing piece 5, bearing plate 7 one side is provided with spring plate 8, spring plate 8 one side is provided with backup pad 9, backup pad 9 one side is provided with adjusting bolt 10, be provided with spacing ring 17 on the base 11, 11 inboards of base are provided with mounting groove 13.
The working principle is as follows: place the device in the position that needs the installation earlier, adjust earlier the position of adjusting post 2 and upper end apex piece 1, after the regulation, utilize adjusting nut 16 fixed regulation post 2, reuse adjusting bolt 10 regulation spring board 8 in the inboard position of base 11, thereby adjust first bracing piece 4, the height of second bracing piece 5, high durability and convenient installation, adapt to the installation of various positions simultaneously, guarantee the shock attenuation effect simultaneously, twist adjusting bolt 10 again, make first bracing piece 4, second bracing piece 5 possess sufficient elastic potential energy, make first bracing piece 4 simultaneously, second bracing piece 5 fastening, the security of device has been guaranteed.
The mounting groove 13 and the base 11 are integrally formed, the limiting ring 17 is connected with the base 11 through welding, the base 11 is made of No. 45 steel, the mounting groove 13 plays a role in limiting and mounting, the base 11 plays a role in supporting, and the integrally formed stability is good; the adjusting bolt 10 is connected to the base 11 through threads, the adjusting bolt 10 is rotatably connected to the supporting plate 9, the adjusting bolt 10 plays an adjusting role, and adjustment is facilitated through threaded connection; the supporting plate 9 is connected with the spring plate 8 through welding, the spring plate 8 is connected with the bearing plate 7 through a buckle, the spring plate 8 is connected with the first supporting rod 4 and the second supporting rod 5 through welding, the supporting plate 9 plays a supporting role, the spring plate 8 plays a damping role, and the connecting strength is guaranteed through welding; the first support rod 4 and the second support rod 5 are connected with the connecting block 3 through welding, the connecting pin 6 is rotatably connected with the first support rod 4 and the second support rod 5, the first support rod 4 and the second support rod 5 play a supporting role, the connecting block 3 plays a connecting role, and the connecting strength is ensured through welding; the connecting block 3 is connected with the adjusting column 2 through welding, the adjusting column 2 is connected with the adjusting nut 16 through threads, the adjusting column 2 has an adjusting function, and the installation is convenient through threaded connection; adjusting post 2 through threaded connection in fixed block 14, fixed block 14 is inlayed in upper end apex rubber block 1, and fixed block 14 plays the connection effect, inlays connection stability good.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.