CN217266897U

CN217266897U - Shock attenuation buffering support is used in public road bridge roof beam construction

Info

Publication number: CN217266897U
Application number: CN202220999513.8U
Authority: CN
Inventors: 蒋璟; 文优; 田源; 王小康; 李江南
Original assignee: Guizhou Xiangyue Engineering Co ltd
Current assignee: Guizhou Xiangyue Engineering Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-23
Anticipated expiration: 2032-04-27

Abstract

The utility model provides a shock absorption buffer support for highway bridge construction, which relates to the technical field of bridge shock absorption supports and solves the problems that the buffer effect of the prior shock absorption buffer support for highway bridges is to be improved, the mounting bolt of a top plate is easy to loosen and the later use is inconvenient, and comprises a bottom plate; the top of the buffer supporting plate is provided with four main buffer rods in a sliding and symmetrical mode; the outer sides of the four main buffer rods are respectively provided with a buffer spring; the top ends of the four main buffer rods are fixedly connected with the bottom of the top plate; the top of the bottom plate is also fixedly provided with four groups of twenty limit seat rings; a rubber column is arranged inside each of the twenty limit seat rings; two mounting bolts are embedded in the left side and the right side of the bottom plate and the top plate. This device can further improve whole buffering effect through two-layer cushioning effect, can not take place the condition that top part structure is not hard up because of vibrations in addition, and the later stage need not periodic inspection, and it is more convenient to use.

Description

Shock attenuation buffering support is used in public road bridge roof beam construction

Technical Field

The utility model belongs to the technical field of bridge damping support, more specifically say, in particular to shock attenuation buffering support is used in public road bridge roof beam construction.

Background

Bridge bearings are important structural parts connecting the upper and lower structures of the bridge, and are located between the bridge and the pad stones, the bridge bearings are erected on the abutments, and the top surface supports the devices of the upper structure of the bridge, which are important force transfer devices of the bridge in order to bear various forces acting on the upper structure and reliably transfer them to the abutments.

The present inventors found that the following problems exist: present public road bridge roof beam shock attenuation buffering support is provided with a plurality of springs in the centre many, the top and the roof contact of these springs, bottom and bottom contact, and then directly cushion the shock attenuation to the roof, these spring inside still can be provided with a guide arm more, but these guide arms do not possess the buffering effect, consequently whole buffering effect remains to be improved, and the roof is because can receive more vibrations, so not hard up condition appears very easily with the bolt of bridge connection in the roof, this needs periodic inspection to screw up, later stage use is inconvenient.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a shock absorption buffer support for highway bridge construction is provided, so as to achieve the purpose of having more practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a shock attenuation buffering support is used in public road bridge roof beam construction to the buffering effect of solving present public road bridge roof beam shock attenuation buffering support remains to be improved, and the construction bolt of roof is not hard up easily, later stage awkward problem.

The utility model discloses highway bridge construction is with purpose and efficiency of shock attenuation buffering support is reached by following concrete technical means:

a shock absorption buffer support for highway bridge construction comprises a bottom plate; the top of the bottom plate is fixedly provided with a buffer supporting plate through welding; the top of the buffer supporting plate is provided with four main buffer rods in a sliding and symmetrical mode; the outer sides of the four main buffer rods are respectively provided with a buffer spring; the top ends of the four main buffer rods are fixedly connected with the bottom of the top plate; the bottom ends of the four main buffer rods are fixedly connected with a group of lower buffer frames; the top of the bottom plate is also fixedly provided with four groups of twenty limit seat rings; a rubber column is arranged inside each of the twenty limit seat rings; two mounting bolts are embedded and mounted on the left side and the right side of the bottom plate and the top plate; and the left side and the right side of the bottom of the top plate are both provided with a limiting plate through small bolts.

Further, the spacing seat circle is cylindric structure, and four vertical openings have all been seted up in the outside of spacing seat circle, and the diameter in the inside cylindrical groove of spacing seat circle equals with the external diameter of rubber post.

Furthermore, when the lower buffer frame moves upwards to the top surface and is tightly attached to the bottom surface of the buffer supporting plate, the rubber column cannot be stressed and compressed, and the round rod at the bottom of the lower buffer frame is still tightly attached to the top of the rubber column.

Furthermore, four round holes corresponding to the diameters of the main buffer rods are formed in the buffer supporting plate, and the four main buffer rods can slide up and down in the four round holes.

Furthermore, the front side and the rear side of the limiting plate are respectively provided with a special-shaped groove matched with the end part of the mounting bolt.

Furthermore, the lower buffer frame is divided into an upper part and a lower part, the upper part is of a cross-shaped plate structure, the lower part is provided with five round rods, and the bottoms of the five round rods are respectively clung to the top of the rubber column.

Compared with the prior art, the utility model discloses following beneficial effect has:

firstly, the buffer spring in the utility model is directly contacted with the bottom surface of the top plate, so the buffer spring can directly play a first layer of buffer action on the top plate, and the rubber column is contacted with the lower buffer frame at the bottom of the main buffer rod, and the lower buffer frame can extrude the rubber column downwards to generate deformation to play a second layer of buffer action when moving downwards, therefore, the whole buffer effect can be further improved through two layers of buffer action;

second, the utility model provides a special-shaped groove of limiting plate front and back side can with the inseparable gomphosis of the tip of construction bolt, can place the limiting plate between two adjacent construction bolts in the front and back during the installation, consequently construction bolt just can't produce rotatoryly under the condition that the limiting plate was not dismantled, just so can not take place the condition that top part structure is not hard up because of vibrations, the later stage need not periodic check, it is more convenient to use.

Drawings

Fig. 1 is a schematic view of the assembled bent shaft side structure of the present invention.

Fig. 2 is a schematic view of the assembled bottom side structure of the present invention.

Fig. 3 is the elevation axis side structure schematic diagram after the limiting plate below the top plate is detached.

Fig. 4 is a schematic view of the structure of the bottom plate and the spacing seat ring at the side of the bending axis.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base plate; 2. a cushion pallet; 3. a main buffer rod; 4. a buffer spring; 5. a lower buffer frame; 6. a top plate; 7. a limit seat ring; 8. a rubber column; 9. installing a bolt; 10. and a limiting plate.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a shock absorption buffer support for highway bridge construction, which comprises a bottom plate 1; the top of the bottom plate 1 is fixedly provided with a buffer supporting plate 2 through welding, the bottom plate 1 is used for supporting the device and is fixedly connected with an abutment, and the buffer supporting plate 2 is used for supporting the main buffer rod 3 and a buffer spring 4 on the outer side of the main buffer rod, so that a first layer of buffer effect can be achieved; four round holes corresponding to the diameters of the main buffer rods 3 are formed in the buffer supporting plate 2, and the four main buffer rods 3 can slide up and down in the four round holes, so that the main buffer rods 3 can support and guide the top plate 6, and can also be matched with the rubber columns 8 to play a buffer effect when sliding up and down; the top of the buffer supporting plate 2 is symmetrically provided with four main buffer rods 3 in a sliding manner, and the main buffer rods 3 can achieve a first layer of buffer effect by sliding up and down; the outer sides of the four main buffer rods 3 are respectively provided with a buffer spring 4, and the buffer springs 4 can directly play a first-layer buffer role in the top plate 6; the top ends of the four main buffer rods 3 are fixedly connected with the bottom of the top plate 6, so that the main buffer rods 3 can support and buffer the top plate 6, and the top plate 6 can be fixedly connected with a bridge to play a supporting effect; the bottom ends of the four main buffer rods 3 are fixedly connected with a group of lower buffer frames 5, and the lower buffer frames 5 can be matched with the rubber columns 8 to play a second-layer buffer effect; the lower buffer frame 5 is divided into an upper part and a lower part, the upper part is of a cross-shaped plate-shaped structure, the lower part is of five round rods, the bottoms of the five round rods are respectively clung to the top of the rubber column 8, the cross-shaped plate-shaped structure of the upper part can be in surface contact with the bottom of the buffer supporting plate 2 to play a limiting role, the round rod at the lower part can be in contact with the rubber column 8, and the round rod can play a second layer of buffer role when the rubber column 8 is extruded downwards; the top of the bottom plate 1 is also fixedly provided with four groups of twenty limit seat rings 7, and the limit seat rings 7 can fix the positions of the rubber columns 8 to prevent the rubber columns from moving; the rubber columns 8 are arranged in the twenty limiting seat rings 7, and the rubber columns 8 can be matched with the lower buffer frame 5 to achieve a second-layer buffer effect; two mounting bolts 9 are embedded and mounted on the left side and the right side of the bottom plate 1 and the top plate 6, and the mounting bolts 9 can firmly fix the position of the device; a limiting plate 10 is installed through little bolt still all to the bottom left and right sides of roof 6, and it is not hard up to appear after the mounting bolt 9 that limiting plate 10 can avoid on the roof 6 screws up.

Wherein, spacing seat circle 7 is cylindric structure, and four vertical openings have all been seted up in the outside of spacing seat circle 7, the diameter in the inside cylindrical groove of spacing seat circle 7 equals with the external diameter of rubber column 8, spacing seat circle 7 can be fixed the position of rubber column 8, avoid taking place the activity in the position of installation back rubber column 8, and the round bar of its bottom will produce rubber column 8 extrusion downwards when cushion frame 5 shifts down and warp, four openings in the 7 outside of spacing seat circle just can provide deformation space for rubber column 8.

Wherein, when lower buffer bracket 5 moved up to the top face and the bottom face of buffering layer board 2 hug closely, rubber column 8 can not receive the atress compression, and 5 bottom round bars of buffer bracket still hug closely with rubber column 8 tops down, buffer spring 4 can promote roof 6 to move up to the top under normal condition, consequently main buffer beam 3 just can also shift up with lower buffer bracket 5 simultaneously, and main buffer beam 3 can promote down buffer bracket 5 and move down when roof 6 atress moves down, rubber column 8 just can in time play the effect of buffering to lower buffer bracket 5 this moment.

Wherein, the front and back side of limiting plate 10 all is provided with one and the identical dysmorphism groove of mounting bolt 9 tip, pass through mounting bolt 9 with the bridge bottom with roof 6 and be connected fixedly, it corresponds to the orientation with the front and back side dysmorphism groove of limiting plate 10 to screw up the orientation of mounting bolt 9 tip earlier, then can place limiting plate 10 between two adjacent mounting bolt 9 in the front and back, then again with the position of limiting plate 10 through little bolt screw up fasten can, because the dysmorphism groove of limiting plate 10 front and back side can closely gomphosis with mounting bolt 9's tip this moment, consequently mounting bolt 9 just can't produce rotatoryly under the condition that limiting plate 10 is not dismantled, just so can not take place the condition that top part structure is not hard up because of vibrations.

The specific use mode and function of the embodiment are as follows:

in the utility model, when the device is installed, the bottom plate 1 is fixed on the top of the pier through the mounting bolts 9, then the top plate 6 is fixedly connected with the bottom of the bridge through the mounting bolts 9, in the process, the end part of the mounting bolt 9 is firstly screwed to correspond to the front and back special-shaped grooves of the limiting plate 10, then the limiting plate 10 can be placed between two adjacent mounting bolts 9 at the front and back, and then the position of the limiting plate 10 is screwed and fixed through the small bolts, because the special-shaped grooves at the front and back sides of the limiting plate 10 can be tightly embedded with the end part of the mounting bolt 9, the mounting bolt 9 can not rotate under the condition that the limiting plate 10 is not disassembled, when the coming and going vehicle applies down force to the bridge, the top plate 6 can move downwards under the stress, at the moment, the buffer spring 4 can directly play a first layer of buffer effect to the top plate 6, and simultaneously the top plate 6 can push the main buffer rod 3 to slide downwards under the support of the buffer layer plate 2, consequently, buffer frame 5 also can move down, and the round bar of buffer frame 5 bottom under this in-process can produce the rubber column 8 extrusion downwards and warp, and the round bar will play second floor cushioning effect when 8 extrudees downwards with the rubber column, and then can play better shock attenuation effect, and the four openings in this in-process spacing seat circle 7 outside just can provide deformation space for the rubber column 8 in addition.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a public road bridge roof beam is shock attenuation buffering support for construction which characterized in that: shock attenuation buffering support includes: a base plate (1); the top of the bottom plate (1) is provided with a buffer supporting plate (2); the top of the buffer supporting plate (2) is symmetrically provided with four main buffer rods (3); the outer sides of the four main buffer rods (3) are respectively provided with a buffer spring (4); the top ends of the four main buffer rods (3) are connected with the bottom of the top plate (6); the bottom ends of the four main buffer rods (3) are connected with a group of lower buffer frames (5); the top of the bottom plate (1) is also provided with four groups of twenty limit seat rings (7); a rubber column (8) is arranged inside each twenty limit seat rings (7); two mounting bolts (9) are embedded and mounted on the left side and the right side of the bottom plate (1) and the top plate (6); and the left side and the right side of the bottom of the top plate (6) are provided with a limit plate (10) through small bolts.

2. The shock-absorbing buffer support for the road and bridge construction of claim 1, wherein: the buffer supporting plate (2) is provided with four round holes corresponding to the diameters of the main buffer rods (3), and the four main buffer rods (3) can slide up and down in the four round holes.

3. The shock-absorbing buffer support for the road and bridge construction of claim 1, wherein: the lower buffer frame (5) is divided into an upper part and a lower part, the upper part is of a cross-shaped plate structure, the lower part is provided with five round rods, and the bottoms of the five round rods are respectively clung to the tops of the rubber columns (8).

4. The shock-absorbing buffer support for the road and bridge construction of claim 1, wherein: spacing seat circle (7) are cylindric structure, and four vertical openings have all been seted up in the outside of spacing seat circle (7), and the diameter in the inside cylindrical groove of spacing seat circle (7) equals with the external diameter of rubber column (8).

5. The shock-absorbing buffer support for the road and bridge construction of claim 1, wherein: when the lower buffer frame (5) moves upwards to the top surface and is tightly attached to the bottom surface of the buffer supporting plate (2), the rubber column (8) cannot be stressed and compressed, and the round rod at the bottom of the lower buffer frame (5) is still tightly attached to the top of the rubber column (8).

6. The shock-absorbing buffer support for the road and bridge construction of claim 1, wherein: the front side and the rear side of the limiting plate (10) are respectively provided with a special-shaped groove matched with the end part of the mounting bolt (9).