CN220665956U - Anti-separation bridge shock insulation support - Google Patents
Anti-separation bridge shock insulation support Download PDFInfo
- Publication number
- CN220665956U CN220665956U CN202321011993.3U CN202321011993U CN220665956U CN 220665956 U CN220665956 U CN 220665956U CN 202321011993 U CN202321011993 U CN 202321011993U CN 220665956 U CN220665956 U CN 220665956U
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- plate
- rubber
- seat plate
- shock insulation
- bridge
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- 230000035939 shock Effects 0.000 title claims abstract description 27
- 238000009413 insulation Methods 0.000 title claims abstract description 26
- 238000000926 separation method Methods 0.000 title description 5
- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000010008 shearing Methods 0.000 abstract description 2
- 238000004873 anchoring Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The application discloses prevent breaking away from bridge shock insulation support belongs to bridge engineering field for bridge shock insulation, and it includes rubber, and the top of rubber, bottom are connected with last shrouding, lower shrouding respectively, the top of going up the shrouding is provided with the upper junction plate, and the top of upper junction plate is the bedplate, and the bedplate passes through tension bolt and is connected with last shrouding, lower shrouding passes through connecting bolt with lower bedplate and is connected, is provided with anchor assembly in the corner position department of bedplate, lower bedplate; a plurality of stiffening steel plates are arranged in the rubber; the top end and the side surface of the upper connecting plate are respectively provided with a plane friction pair and a side surface sliding friction pair at the contact position of the side surface and the upper seat plate. In view of the technical scheme, the steel support has normal displacement function of a common steel support and shock insulation damping function of a rubber shock insulation support, and the beam body is not separated from the support in the shearing deformation process, so that the safety of the structure is improved.
Description
Technical Field
The application belongs to the field of bridge engineering, and particularly relates to an anti-separation bridge shock insulation support.
Background
The elastic tensile rubber shock-insulation support disclosed in the Chinese patent publication No. CN109162362A is an important structural member in the current building construction, and the shock-insulation support is reasonably added to effectively reduce the damage of the earthquake to the building, greatly reduce the personal and property loss of people, and is an effective measure and advanced technical means for the shock resistance in recent years.
Specifically to bridge engineering field, chinese patent publication No. CN112145619a discloses a bridge lead core shock insulation rubber support, it adopts top-down to set gradually last shrouding, lead core and lower shrouding, be provided with a plurality of horizontally steel sheet between last shrouding and the lower shrouding, the steel sheet encloses the outside of establishing at the lead core, be provided with upward rubber layer and lower rubber layer between the adjacent steel sheet, upward the rubber layer is located the top of lower rubber layer, upward rubber layer and lower rubber layer all are provided with a plurality of in the horizontal direction, upward the bottom surface of rubber layer is concave arc surface, the top surface of lower rubber layer is concave arc surface, the side that adjacent upward rubber layer is close to each other is located the both sides on the lower rubber layer top surface respectively.
The prior art disclosed in CN112145619a patent document aims to solve and improve the stress condition of the support in the vertical direction, and can improve the tensile property of the support. However, the applicant believes that in the construction process of a new bridge, the rubber shock-absorbing support is required to be higher, and the structure can only improve the tensile property of the support, but cannot meet the normal displacement of the bridge, and can not ensure that the upper structure and the support are not in a void phenomenon when an earthquake occurs. In the case where the above conditions are satisfied, it is not known whether the CN112145619a patent document can provide a normal damping function of the rubber damper mount.
Disclosure of Invention
The utility model aims at providing a prevent breaking away from bridge shock insulation support, it can provide one kind and both has normal displacement function of ordinary steel support, has rubber shock insulation support shock insulation damping function again, and the in-process roof beam body at shear deformation does not break away from with the support moreover, improves the security of structure.
In order to achieve the above purpose, the present application is realized by the following technical scheme:
the anti-separation bridge shock insulation support comprises rubber, wherein the top end and the bottom end of the rubber are respectively connected with an upper sealing plate and a lower sealing plate, the top end of the upper sealing plate is provided with an upper connecting plate, the top end of the upper connecting plate is an upper seat plate, the upper seat plate is connected with the upper sealing plate through tension bolts, the lower sealing plate is connected with the lower seat plate through connecting bolts, and an anchoring assembly is arranged at the corner positions of the upper seat plate and the lower seat plate; a plurality of stiffening steel plates are arranged in the rubber; the top end and the side surface of the upper connecting plate are respectively provided with a plane friction pair and a side surface sliding friction pair at the contact position of the side surface and the upper seat plate.
As one of the preferable technical schemes of the application, a lead core is also arranged in the rubber.
As one of the preferred technical schemes of the application, the periphery of the upper seat board is provided with a limit stop, and a displacement gap is reserved between the upper seat board and the limit stop.
As one of the preferred technical schemes of the application, the upper seat plate is provided with a slotted hole, and a tension bolt is arranged in the slotted hole in a penetrating way.
As one of the preferable technical schemes of the application, a cover plate for blocking the inlet at the top end of the oblong hole is arranged in the oblong hole.
Compared with the prior art, the beneficial effects of this application are:
this application improves based on traditional rubber shock insulation support, realizes through the relative slip of bedplate and upper junction plate in the in-process of normal temperature change position, does not exert shearing effort to the rubber component in the bridge shock insulation support, helps prolonging the life of rubber shock insulation support. The earthquake-proof seat can temporarily have the function of the rubber shock-proof seat, and can ensure that the upper seat plate is always contacted with the bridge shock-proof seat without separation under the earthquake state, so that the rubber shock-proof seat is always in a stress state, and the phenomenon that the upper structure and the shock-proof rubber seat are separated from each other is avoided.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present application.
Fig. 2 is a schematic diagram of the relative positions and structures of the upper seat plate and the limit stop.
Fig. 3 is a partial enlarged view of the portion I in fig. 1.
Fig. 4 is a partial enlarged view of the portion II in fig. 1.
Fig. 5 is a schematic diagram of the overall structure of the present application.
In the figure: 1. an upper seat plate; 2. an upper connecting plate; 3. an upper sealing plate; 4. rubber; 5. stiffening the steel plate; 6. a lead; 7. a lower sealing plate; 8. a lower seat plate; 9. an anchor assembly; 10. a connecting bolt; 11. a tension bolt; 12. a slotted hole; 13. a displacement gap; 14. a side sliding friction pair; 15. a planar friction pair; 16. a cover plate; 17. and a limit stop bar.
Detailed Description
The technical scheme described in the application is further described and illustrated below with reference to the accompanying drawings and examples. It should be noted that, the terms possibly related to the following paragraphs include, but are not limited to, "up, down, left, right, front, back" and the like, and the directions according to which the terms are all visual directions shown in the drawings of the corresponding specification, which should not be construed as limiting the scope of protection of the present technical solution, but are only for facilitating the understanding of the technical solution described in the specification by those skilled in the art.
In the description of the following paragraphs, unless expressly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in view of the specific circumstances in combination with common general knowledge in the art, design specifications, standard documents, etc.
Example 1
Referring to fig. 1 to 4, an anti-disengaging bridge shock insulation support comprises rubber 4, wherein stiffening steel plates 5 used for guaranteeing the form of the rubber 4 are arranged in the rubber 4, an upper sealing plate 3 and a lower sealing plate 7 are respectively arranged at the top end and the bottom end of the rubber 4, the upper sealing plate 3 and the lower sealing plate 7 are respectively connected with an upper connecting plate 2 and a lower seat plate 8 at corresponding positions through connecting bolts 10 and threaded holes, the upper connecting plate 2 is connected with the upper seat plate 1 through oblong holes 12 and tension bolts 11, the connecting surface between the upper connecting plate 2 and the upper seat plate 1 moves relatively on a horizontal plane, and the upper seat plate 1 and the lower seat plate 8 are connected with an anchoring assembly 9.
Referring to fig. 2, the oblong hole 12 is located on the upper seat board 1, a limit stop bar 17 is disposed around the upper seat board 1, and under normal conditions, temperature-variable displacement between the upper seat board 1 and the upper connecting board 2, which is smaller than the displacement gap 13, can be achieved through a friction pair between the upper seat board 1 and the upper connecting board 2, when the displacement reaches the limit of the displacement gap 13 or the earthquake comes, the limit stop bar 17 around the upper seat board 1 contacts with the upper connecting board 2, so as to drive the bridge vibration isolation support to integrally displace, and realize the vibration isolation damping function. Also in this application, the temperature-varying displacement between the upper seat plate 1 and the upper connecting plate 2 is also limited by the oblong hole 12 in the upper seat plate 1, and the tension bolt 11 connected with the upper connecting plate 2 moves in the oblong hole 12 following the upper connecting plate 2.
Referring to fig. 3, the contact surface between the upper connecting plate 2 and the upper seat plate 1 includes a top end surface of the upper connecting plate 2 and a side surface of the upper connecting plate 2, and a plane friction pair 15 and a side sliding friction pair 14 are respectively disposed on the contact surface.
Referring to fig. 4, a cover plate 16 is arranged at the top inlet of the oblong hole 12, and the cover plate 16 is used for preventing concrete from entering the inside of the oblong hole 12 to affect the horizontal displacement of the bridge shock insulation support.
Example 2
Referring to fig. 5, in an anti-disengagement bridge shock insulation support, lead cores 6 which are symmetrically distributed are further arranged in the rubber 4. The structure and connection relationship of the rest are the same as those described in any one of the foregoing embodiments, and are not repeated here to avoid complicated text.
On the basis of the above embodiments, the technical features involved therein and the functions and roles that the technical features play in the technical solution are described in detail using the following paragraphs so as to help those skilled in the art to fully understand the technical solution and reproduce it.
The bridge shock insulation support mainly comprises an upper seat board 1, an upper connecting board 2, an upper sealing board 3, rubber 4, a stiffening steel plate 5, a lower sealing board 7, a lower seat board 8 and an anchoring component 9, and a lead core 6 can be arranged in the rubber 4. The bridge shock insulation support is connected as an organic whole with superstructure, the bottom structure in position respectively through anchor subassembly 9, is provided with plane friction pair 15 between upper saddle 1 and upper junction plate 2, is provided with side sliding friction pair 14 between the side that upper saddle 1 and upper junction plate 2 correspond, above-mentioned plane friction pair 15, side sliding friction pair 14 can reduce frictional force at the in-process of displacement, in addition upper saddle 1 and upper junction plate 2 in this application pass through tension bolt 11 to be connected, processing threaded hole is in order to satisfy the threaded connection demand with tension bolt 11 on the upper junction plate 2.
Under the original function of satisfying bridge shock insulation support, be provided with spacing shelves 17 around upper bedplate 1, under the state of normal temperature change displacement, horizontal displacement is realized through plane friction pair 15, side sliding friction pair 14 between upper bedplate 1 and the upper connecting plate 2. When the displacement reaches the limit or the earthquake comes, the limit stop bar 17 on the upper seat plate 1 is contacted with the upper connecting plate 2 so as to drive the displacement of the bridge shock insulation support, thereby realizing the shock insulation damping effect.
In order to meet the requirement of temperature change displacement, the upper seat plate 1 is provided with a slotted hole 12, the slotted hole 12 forms a gap for the displacement of the tension bolt 11, and a cover plate 16 is arranged at the inlet of the top end of the slotted hole 12, so that the cover plate 16 can prevent concrete from entering the slotted hole 12 to influence the displacement of the tension bolt 11.
Finally, although the description has been described in terms of embodiments, not every embodiment is intended to include only a single embodiment, and such description is for clarity only, as one skilled in the art will recognize that the embodiments of the disclosure may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a prevent breaking away from bridge shock insulation support, includes rubber (4), and the top, the bottom of rubber (4) are connected its characterized in that with last shrouding (3), lower shrouding (7) respectively: the top end of the upper sealing plate (3) is provided with an upper connecting plate (2), the top end of the upper connecting plate (2) is an upper seat plate (1), the upper seat plate (1) is connected with the upper sealing plate (3) through a tension bolt (11), the lower sealing plate (7) is connected with a lower seat plate (8) through a connecting bolt (10), and an anchor assembly (9) is arranged at the corner positions of the upper seat plate (1) and the lower seat plate (8); a plurality of stiffening steel plates (5) are arranged in the rubber (4); the top end and the side surface of the upper connecting plate (2) are respectively provided with a plane friction pair (15) and a side surface sliding friction pair (14) at the contact position of the side surface and the upper seat plate (1).
2. The anti-disengagement bridge vibration isolation bearing of claim 1, wherein: a lead core (6) is also arranged in the rubber (4).
3. A break away bridge shock mount according to any one of claims 1 to 2 wherein: limiting stop strips (17) are arranged around the upper seat plate (1), and a displacement gap (13) is reserved between the upper seat plate (1) and the limiting stop strips (17).
4. A break away bridge shock mount according to any one of claims 1 to 2 wherein: the upper seat board (1) is provided with a slotted hole (12), and a tension bolt (11) is arranged in the slotted hole (12) in a penetrating way.
5. The anti-disengagement bridge vibration isolation bearing of claim 4, wherein: a cover plate (16) for blocking the inlet at the top end of the oblong hole (12) is arranged in the oblong hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321011993.3U CN220665956U (en) | 2023-04-28 | 2023-04-28 | Anti-separation bridge shock insulation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321011993.3U CN220665956U (en) | 2023-04-28 | 2023-04-28 | Anti-separation bridge shock insulation support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220665956U true CN220665956U (en) | 2024-03-26 |
Family
ID=90343127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321011993.3U Active CN220665956U (en) | 2023-04-28 | 2023-04-28 | Anti-separation bridge shock insulation support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220665956U (en) |
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2023
- 2023-04-28 CN CN202321011993.3U patent/CN220665956U/en active Active
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