CN219326988U

CN219326988U - Damping support for steel structure bridge

Info

Publication number: CN219326988U
Application number: CN202320093395.9U
Authority: CN
Inventors: 张科真; 文苗; 陈青华
Original assignee: Hunan Xiangchuan Steel Structure Co ltd
Current assignee: Hunan Xiangchuan Steel Structure Co ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-07-11
Anticipated expiration: 2033-01-31

Abstract

The utility model discloses a damping support for a bridge with a steel structure, which comprises a support base, a support column and a pull rod, wherein a first piston cylinder is fixedly arranged at the center of the upper part of the support base, second piston cylinders are respectively arranged at the two sides of the first piston cylinder, pistons matched with the second piston cylinders are respectively arranged in the second piston cylinders and the first piston cylinders, a piston rod is fixedly arranged at one side above the pistons, the other end of the piston rod is fixedly connected with the bridge base, the first piston cylinders are communicated with the second piston cylinders through a communicating pipe, and the support column is fixedly arranged above the support base.

Description

Damping support for steel structure bridge

Technical Field

The utility model relates to the technical field of bridge damping supports, in particular to a damping support for a steel structure bridge.

Background

In the bridge structure, the support is a device erected on the bridge pier, and the top surface of the support supports the bridge superstructure, which is an important component for connecting the bridge superstructure and the substructure, and has the functions of fixing the superstructure to the bridge pier, bearing various forces acting on the superstructure, and reliably transmitting the forces to the bridge pier.

Traditional bridge beam supports are comparatively simple in structure, and are difficult to play effectual shock attenuation effect to the bridge, and then reduced the punching press cushioning effect of bridge, and the steadiness is relatively poor in the bridge beam supports use, has reduced the supporting stability of bridge.

Disclosure of Invention

The utility model aims to provide a damping support for a steel structure bridge, which improves the buffering effect and the stability, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a shock mount for steel construction bridge, includes support base, support column and pull rod, the fixed first piston section of thick bamboo that is equipped with in top center department of support base, the both sides of first piston section of thick bamboo are equipped with the second piston section of thick bamboo respectively, the second piston section of thick bamboo with the inside of first piston section of thick bamboo all is equipped with the piston rather than assorted, just the fixed piston rod that is equipped with in top one side of piston, the other end of piston rod and bridge base fixed connection, first piston section of thick bamboo with be linked together through communicating pipe between the second piston section of thick bamboo, the support column is fixed to be located support base's top, just the both sides of support column are all fixed and are equipped with the guided way, the inside of guided way all slides and is equipped with the supporting shoe, two be equipped with between the supporting shoe with bridge base below fixed connection's voussoir, the pull rod is fixed to be located bridge base's below one side of support column, the fixed connecting plate that is equipped with the connecting plate, the both ends of connecting plate all activity are equipped with the movable rod, the other end of movable rod pass through pivot with support block swivelling joint, support block, can realize the effect to the bridge base that can be expanded through the piston, the piston cylinder, when the effect of the bridge can be reduced to the bridge, the effect of the bridge can be realized to the bridge, and the bridge can be down by the support base, and the effect to the bridge can be realized, and the bridge can be reduced to the effect to the bridge to the effect to the bridge, and the damping down.

Preferably, a guide groove is formed in one side of the support column, a guide block is arranged in the guide groove in a sliding mode, one end of the guide block is fixedly connected with one side of the pull rod, and descending stability of the bridge base is improved.

Preferably, the inside of guide way is equipped with the second spring, the both ends of second spring respectively with the inside of guide way with guide block fixed connection can play the effect of buffering to the in-process that the guide block descends.

Preferably, the first spring is sleeved on the piston rod above the first piston cylinder, so that the bridge foundation can be buffered from descending.

Preferably, the four corners of the support base and the bridge base are provided with mounting holes, so that the convenience of mounting the bridge base and the support base is improved.

Preferably, the movable rod is movably connected with the connecting plate through a movable bolt, so that the flexibility of connection between the movable rod and the connecting plate is improved.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the existing bridge damping support is optimized, the first piston cylinder, the second piston cylinder and the piston are additionally arranged to compress air when the bridge base descends, so that the descending speed of the bridge base can be slowed down, the effect of buffering and damping the bridge is realized, the supporting blocks are matched with the wedge blocks, the descending bridge base can be supported, and the safety of placing the bridge base is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic view of a supporting base structure according to the present utility model;

fig. 4 is a bottom view of the bridge foundation of the present utility model.

In the figure: 1. a support base; 2. a first piston cylinder; 3. a second piston cylinder; 4. a piston; 5. a piston rod; 6. a bridge base; 7. a first spring; 8. a support column; 9. a guide rail; 10. a support block; 11. wedge blocks; 12. a pull rod; 13. a connecting plate; 14. a movable rod; 15. a rotating shaft; 16. a guide groove; 17. a guide block; 18. a second spring; 19. a mounting hole; 20. and communicating pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, a shock mount for a steel bridge in the drawings includes a support base 1, a support column 8 and a pull rod 12, a first piston cylinder 2 is fixedly arranged at the center of the upper part of the support base 1, two sides of the first piston cylinder 2 are respectively provided with a second piston cylinder 3, the second piston cylinder 3 and the first piston cylinder 2 are both internally provided with pistons 4 matched with the first piston cylinder, a piston rod 5 is fixedly arranged at one side of the upper part of the piston 4, the other end of the piston rod 5 is fixedly connected with a bridge base 6, the first piston cylinder 2 is communicated with the second piston cylinder 3 through a communicating pipe 20, a support column 8 is fixedly arranged at the upper part of the support base 1, guide rails 9 are fixedly arranged at two sides of the support column 8, support blocks 10 are slidably arranged in the guide rails 9, a wedge block 11 fixedly connected with the lower part of the bridge base 6 is arranged between the two support blocks 10, the pull rod 12 is fixedly arranged at one side of the support column 8, a connecting plate 13 is fixedly arranged below the pull rod 12, movable rods 14 are movably arranged at two ends of the connecting plate 13, and the other ends of the movable rods 14 are rotatably connected with a rotating shaft 10 through a rotating block 15.

Referring to fig. 3 and 4, a guiding groove 16 is formed on one side of the supporting column 8 in the drawing, a guiding block 17 is slidably disposed in the guiding groove 16, and one end of the guiding block 17 is fixedly connected with one side of the pull rod 12.

When the bridge shock mount is used: firstly, the support base 1 is arranged on a bridge pier, then the bridge and the bridge base 6 are fixedly connected, the support base 1 and the bridge base 6 can be arranged between the bridge and the bridge pier, when the pressure borne by the upper part of the bridge changes in a reverse way, the bridge can generate displacement in the vertical direction, the bridge descends, the bridge descending can drive the bridge base 6 to descend, the bridge base 6 descends to drive the piston rod 5 to descend, the piston rod 5 pushes the piston at one end to move in the first piston cylinder and the second piston cylinder, the air in the first piston cylinder and the second piston cylinder can be compressed, the air is compressed to enable the piston 4 to descend to drive the piston rod 5 and the bridge base 6 to descend, when the air is compressed to the maximum limit, the piston 4 is not descending at the moment, the bridge is not displaced when being vertically lowered, and reverse force is generated when the air is compressed, the piston is slowed down, the bridge base 6 is slowly descended, the effect of buffering and damping is achieved, and the safety of the bridge in the use process is improved;

in the process of descending the bridge base 6, the lower pull rod 12 is driven to descend at the moment, the pull rod 12 drives the connecting plate 13 to descend, the movable rods 14 on two sides of the connecting plate 13 move similarly, one end of a forest of the movable rod 14 is connected with one side of the supporting block 10 through the rotating shaft 15, so that the movable rod 14 rotates around the rotating shaft 15 when descending, the supporting block 10 is slidably arranged in the guide rail 9, the supporting block 10 can be pulled to slide in the guide rail 9 in the process of descending the movable rod 14, the two supporting blocks 10 slide in opposite directions, the supporting block 10 is arranged as a triangular supporting block, the inclined edges of the supporting block 10 are parallel to the inclined edges of the wedge 11, the supporting block 10 can support the wedge block 11 when the wedge block 11 descends along with the bridge base 6, and when the inclined edges of the supporting block 10 are contacted with the inclined edges of the wedge 11, the supporting block 10 can play a supporting role in supporting the wedge block 11 and the bridge base 6, and the stability of placement and descending safety are improved;

the inside slip of guide slot 16 is equipped with pull rod 12 fixed connection's guide block 17, can realize playing the effect of direction when bridge base 6 descends, increases the stability that bridge base 6 descends, avoids bridge base 6 atress inhomogeneous to lead to the skew, and produces and emptys, has increased the security of use.

Example 2

Referring to fig. 2, this embodiment further illustrates example 1, a supporting base 1, a supporting column 8 and a pull rod 12 are shown in the drawings, a first piston cylinder 2 is fixedly arranged at the center above the supporting base 1, two sides of the first piston cylinder 2 are respectively provided with a second piston cylinder 3, the interiors of the second piston cylinder 3 and the first piston cylinder 2 are respectively provided with a piston 4 matched with the second piston cylinder, a piston rod 5 is fixedly arranged at one side above the piston 4, the other end of the piston rod 5 is fixedly connected with a bridge base 6, the first piston cylinder 2 and the second piston cylinder 3 are communicated through a communicating pipe 20, the supporting column 8 is fixedly arranged above the supporting base 1, guide rails 9 are fixedly arranged at two sides of the supporting column 8, supporting blocks 10 are slidably arranged inside the guide rails 9, a wedge 11 fixedly connected with the lower side of the bridge base 6 is arranged between the two supporting blocks 10, the pull rod 12 is fixedly arranged below the bridge base 6 and is positioned at one side of the supporting column 8, a connecting plate 13 is fixedly arranged below the pull rod 12, two ends of the connecting plate 13 are respectively movably provided with a movable rod 14, and the other end of the movable rod 14 is rotatably connected with the supporting blocks 10 through a rotating shaft 15;

referring to fig. 3, a second spring 18 is disposed in the guide groove 16 in the drawing, and two ends of the second spring 18 are fixedly connected with the guide groove 16 and the guide block 17 respectively;

referring to fig. 4, a first spring 7 is sleeved on the piston rod 5 above the first piston cylinder 2 in the drawing.

In this embodiment, be equipped with second spring 18 in the inside of guide way 16, can drive the guide block and slide in the guide way inside when pull rod 12 downstream, second spring 18 can play the effect of supporting the buffering to guide block 17 this moment, slow down the decline speed of guide block 17 to reduce the decline speed of pull rod 12, realize playing the absorbing effect to bridge base 6, increased bridge base 6 buffering effect, be equipped with first spring 7 on the top of first piston cylinder 2 and being located the piston rod, can play the absorbing buffer's effect to bridge base 6 when bridge base 6 descends, increased absorbing effect.

Example 3

Referring to fig. 2, further description is given of the present embodiment for other examples, a first piston cylinder 2 is fixedly disposed at the center of the upper portion of the support base 1, two sides of the first piston cylinder 2 are respectively provided with a second piston cylinder 3, the second piston cylinder 3 and the first piston cylinder 2 are both provided with pistons 4 matched with each other, a piston rod 5 is fixedly disposed at one side of the upper portion of the pistons 4, the other end of the piston rod 5 is fixedly connected with the bridge base 6, the first piston cylinder 2 and the second piston cylinder 3 are communicated through a communicating pipe 20, a support column 8 is fixedly disposed above the support base 1, guide rails 9 are fixedly disposed at two sides of the support column 8, support blocks 10 are slidably disposed in the guide rails 9, wedges 11 fixedly connected with the lower portion of the bridge base 6 are disposed between the two support blocks 10, the tie rods 12 are fixedly disposed below the bridge base 6 and are disposed at one side of the support column 8, connecting plates 13 are fixedly disposed below the tie rods 13, movable rods 14 are movably disposed at two ends of the connecting plates 13, and the other ends of the movable rods 14 are rotatably connected with the support blocks 10 through rotating shafts 15.

Referring to fig. 1, four corners of the support base 1 and the bridge base 6 in the drawing are provided with mounting holes 19;

referring to fig. 4, the movable rod 14 is movably connected with the connecting plate 13 through a movable bolt.

In this embodiment, through the movable bolt connection between movable rod 14 and the connecting plate 13, increased the flexibility of connecting the pivoted between movable rod 14 and the connecting plate 13, all offered mounting hole 19 at four corners of supporting base 1 and bridge base 6 and conveniently made to be connected between supporting base 1 and the pier with the help of the installation bolt, bridge base 6 is connected with the bridge below, has increased the convenience of connection.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A shock mount for a steel structure bridge, comprising:

the device comprises a support base (1), wherein a first piston cylinder (2) is fixedly arranged at the center of the upper part of the support base (1), second piston cylinders (3) are respectively arranged at two sides of the first piston cylinder (2), pistons (4) matched with the second piston cylinders (3) and the first piston cylinder (2) are arranged in the second piston cylinders, a piston rod (5) is fixedly arranged at one side of the upper part of the piston (4), the other end of the piston rod (5) is fixedly connected with a bridge base (6), and the first piston cylinders (2) and the second piston cylinders (3) are communicated through communicating pipes (20);

the support columns (8), the support columns (8) are fixedly arranged above the support base (1), guide rails (9) are fixedly arranged on two sides of the support columns (8), support blocks (10) are slidably arranged in the guide rails (9), and wedge blocks (11) fixedly connected with the lower parts of the bridge bases (6) are arranged between the two support blocks (10);

the bridge comprises a pull rod (12), wherein the pull rod (12) is fixedly arranged below the bridge base (6) and is positioned on one side of the support column (8), a connecting plate (13) is fixedly arranged below the pull rod (12), movable rods (14) are movably arranged at two ends of the connecting plate (13), and the other ends of the movable rods (14) are rotatably connected with the support blocks (10) through rotating shafts (15).

2. The shock-absorbing support for the steel structure bridge according to claim 1, wherein a guide groove (16) is formed in one side of the support column (8), a guide block (17) is slidably arranged in the guide groove (16), and one end of the guide block (17) is fixedly connected with one side of the pull rod (12).

3. The shock mount for the steel structure bridge according to claim 2, wherein a second spring (18) is provided in the guide groove (16), and both ends of the second spring (18) are fixedly connected with the guide groove (16) and the guide block (17) respectively.

4. Damping support for steel structure bridges according to claim 1, characterized in that a first spring (7) is sleeved on the piston rod (5) above the first piston cylinder (2).

5. Damping support for steel structure bridges according to claim 1, characterized in that mounting holes (19) are provided in the four corners of the support base (1) and the bridge base (6).

6. Damping mount for steel structure bridges according to claim 1, characterized in that the movable rod (14) is movably connected with the connection plate (13) by means of a movable bolt.