CN216891958U - Ring type tensile anti-falling beam support for highway bridge - Google Patents
Ring type tensile anti-falling beam support for highway bridge Download PDFInfo
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- CN216891958U CN216891958U CN202220608180.1U CN202220608180U CN216891958U CN 216891958 U CN216891958 U CN 216891958U CN 202220608180 U CN202220608180 U CN 202220608180U CN 216891958 U CN216891958 U CN 216891958U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The utility model belongs to the technical field of supports, and discloses a ring-type tensile anti-falling beam support for a highway bridge. The main technical characteristics are as follows: including last bedplate, lower bedplate, last bedplate be provided with the anti pull ring of rectangle along the bridge to, lower bedplate be provided with tensile ring assorted tensile board, tensile board inserts anti pull ring, the length of tensile board is less than the length of tensile ring inner space, the width of tensile board is greater than the width of anti pull ring, the thickness of tensile board is less than the height of anti pull ring inner space, the horizontal bridge of last bedplate is provided with the roof beam dog that falls of preventing that matches with lower bedplate, the roof beam dog that falls is connected with last bedplate through the shear pin. The annular tensile anti-falling beam support for the highway bridge, provided by the utility model, has the advantages that the tensile assembly is formed by the tensile ring and the tensile plate, the tensile plate is inserted into the tensile ring, the design width of the support in the transverse bridge direction is greatly reduced, the application occasions are more, the tensile plate can move up and down in the tensile ring back and forth and left and right, the requirements on the displacement and the corner of the support are not influenced, and the anti-falling beam stop block realizes seven-level earthquake resistance.
Description
Technical Field
The utility model belongs to the technical field of supports, and particularly relates to a ring-type tensile anti-falling beam support for a highway bridge.
Background
In bridge design, the support serves as the main component, which takes the load from the upper part of the bridge and transfers it to the substructure and meets the requirements for rotation and displacement of the superstructure. The urban bridge has large gradient, sharp turning, wider beam body, small dynamic-static load ratio and unbalanced and unstable dynamic load distribution. In order to solve the problems of smooth bottom traffic and attractive appearance of bridge buildings, the section of the pier designed is smaller. Limited by the size of the cross section of the abutment, the requirement of small plane size of the support is met, and meanwhile, the requirements of normal displacement, shock absorption and isolation and energy consumption are met. The structure of the current support is difficult to meet the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing the ring-type tensile anti-falling beam support for the highway bridge, which has small plane size and meets the requirements of normal displacement, shock absorption, shock insulation and energy consumption.
In order to solve the technical problems, the annular tensile anti-falling beam support for the highway bridge adopts the technical scheme that: including last bedplate, lower bedplate, last bedplate be provided with the anti pull ring of rectangle along the bridge to, lower bedplate be provided with tensile ring assorted tensile board, tensile board inserts anti pull ring, the length of tensile board is less than the length of tensile ring inner space, the width of tensile board is greater than the width of anti pull ring, the thickness of tensile board is less than the height of anti pull ring inner space, the horizontal bridge of last bedplate is provided with the roof beam dog that falls of preventing that matches with lower bedplate, the roof beam dog that falls is connected with last bedplate through the shear pin.
The annular tensile anti-drop beam support for the highway bridge, provided by the utility model, is characterized in that the upper seat plate is provided with a rectangular anti-drop ring along the bridge direction, the lower seat plate is provided with a tensile plate matched with the anti-drop ring, the tensile plate is inserted into the anti-drop ring, the length of the tensile plate is smaller than the length of the inner space of the tensile ring, the width of the tensile plate is larger than that of the anti-drop ring, and the thickness of the tensile plate is smaller than the height of the inner space of the anti-drop ring. The anti-pull ring and the anti-pull plate form an anti-pull assembly, the anti-pull ring is inserted into the anti-pull plate, the transverse bridge design width of the support is greatly reduced, and the anti-pull ring is suitable for multiple occasions. The length of the tensile plate is smaller than that of the inner space of the tensile ring, the width of the tensile plate is larger than that of the tensile ring, and the thickness of the tensile plate is smaller than that of the inner space of the tensile ring, so that the tensile plate can move up and down in the tensile ring all around without influencing the displacement and corner requirements of the support. The upper seat plate is provided with a beam falling prevention stop block matched with the lower seat plate in the transverse bridge direction, and the beam falling prevention stop block is connected with the upper seat plate through a shearing pin. The anti-falling beam stop block realizes seven-level earthquake resistance, when the anti-falling beam stop block meets an earthquake lower than seven level, the shearing pin resists the ground vibration energy, the limit stop block acts, and the support normally works.
Drawings
FIG. 1 is a schematic cross-bridge structure diagram of a first structure of a ring-type tensile anti-falling beam support for highway bridges of the present invention;
FIG. 2 is a schematic structural view of a first structure of a ring-type tensile anti-drop beam support for highway bridges along the direction of a bridge;
FIG. 3 is a schematic top view of a first structural bottom plate of the ring-type tensile anti-drop beam support for road and bridge;
FIG. 4 is a schematic bottom view of an upper seat plate of a first structure of the ring-type tensile anti-drop beam support for highway bridges;
FIG. 5 is a schematic cross-bridge structure of a second structure of the ring-type tensile anti-drop beam support for highway bridges;
FIG. 6 is a schematic view of a forward structure of a second structure of the ring-type tensile anti-falling beam support for highway bridges;
FIG. 7 is a schematic top view of a second construction of a lower deck of the ring-type tension drop prevention beam support for road and bridge use;
fig. 8 is a schematic bottom view of an upper seat plate of a second structure of the ring-type tensile anti-drop beam support for road and bridge.
Detailed Description
The concrete structure of the ring-type tensile anti-drop beam support for highway bridges of the present invention is further described in detail with reference to the accompanying drawings.
As shown in fig. 1, 2, 3 and 4, the ring-type tensile anti-drop beam support for a highway bridge is a basin-type rubber support and comprises an upper seat plate 1 and a lower seat plate 2, wherein the upper seat plate 1 is provided with a rectangular anti-drop ring 3 along the bridge direction, the lower seat plate 2 is provided with a tensile plate 4 matched with the anti-drop ring 3, the tensile plate 4 is inserted into the anti-drop ring 3, the length of the tensile plate 4 is smaller than that of the inner space of the anti-drop ring 3, the width of the tensile plate 4 is larger than that of the anti-drop ring 3, and the thickness of the tensile plate 4 is smaller than that of the inner space of the anti-drop ring 3. The transverse bridge of the upper seat plate 1 is provided with a beam falling prevention stop dog 5 matched with the lower seat plate 2, and the beam falling prevention stop dog 5 is connected with the upper seat plate 1 through a shearing pin.
As shown in fig. 5, 6, 7 and 8, the ring-type tensile anti-drop beam support for the highway bridge is a spherical steel support, and comprises an upper seat plate 1 and a lower seat plate 2, wherein the upper seat plate 1 is provided with a rectangular anti-drop ring 3 along the bridge direction, the lower seat plate 2 is provided with a tensile plate 4 matched with the tensile ring 3, the tensile plate 4 is inserted into the anti-drop ring 3, the length of the tensile plate 4 is smaller than the length of the inner space of the anti-drop ring 3, the width of the tensile plate 4 is larger than the width of the anti-drop ring 3, and the thickness of the tensile plate 4 is smaller than the height of the inner space of the anti-drop ring 3. The transverse bridge of the upper seat plate 1 is provided with a beam falling prevention stop dog 5 matched with the lower seat plate 2, and the beam falling prevention stop dog 5 is connected with the upper seat plate 1 through a shearing pin.
The annular tensile anti-drop beam support for the highway bridge provided by the utility model has the advantages that the rectangular anti-drop ring 3 is arranged on the upper seat plate 1 along the bridge direction, the tensile plate 4 matched with the tensile ring 3 is arranged on the lower seat plate 2, the tensile plate 4 is inserted into the anti-drop ring 3, the length of the tensile plate 4 is smaller than the length of the inner space of the anti-drop ring 3, the width of the tensile plate 4 is larger than the width of the anti-drop ring 3, and the thickness of the tensile plate 4 is smaller than the height of the inner space of the anti-drop ring 3. The anti-pulling ring 3 and the anti-pulling plate 4 form a tensile assembly, the anti-pulling ring 3 is inserted into the anti-pulling plate 4, the design width of the transverse bridge direction of the support is greatly reduced, and the application occasions are more. The length of the tensile plate 4 is smaller than the length of the inner space of the anti-pulling ring 3, the width of the tensile plate 4 is larger than the width of the anti-pulling ring 3, and the thickness of the tensile plate 4 is smaller than the height of the inner space of the anti-pulling ring 3, so that the tensile plate 4 can move up and down in the anti-pulling ring 3 all around, and the requirements of displacement and corner of the support are not influenced. The transverse bridge of the upper seat plate 1 is provided with a beam falling prevention stop dog 5 matched with the lower seat plate 2, and the beam falling prevention stop dog 5 is connected with the upper seat plate 1 through a shearing pin. The anti-falling beam stop block 5 realizes seven-level earthquake resistance, when the anti-falling beam stop block is lower than seven-level earthquake, the shearing pin resists the ground vibration energy, the limit stop block 5 acts, and the support normally works.
The ring-type tensile anti-falling beam support for the highway bridge is not limited to the structure, and any modification, equivalent replacement, improvement and the like on the basis of the utility model are all included in the protection scope of the utility model.
Claims (1)
1. Public road bridge roof beam support that falls is prevented with ring type tensile, including last bedplate, bedplate down, its characterized in that: the upper seat plate is provided with a rectangular anti-pull ring along the bridge direction, the lower seat plate is provided with a tensile plate matched with the tensile ring, the tensile plate is inserted into the anti-pull ring, the length of the anti-pull plate is smaller than the length of the inner space of the tensile ring, the width of the tensile plate is larger than the width of the anti-pull ring, the thickness of the tensile plate is smaller than the height of the inner space of the anti-pull ring, the transverse bridge of the upper seat plate is provided with an anti-falling beam stop block matched with the lower seat plate, and the anti-falling beam stop block is connected with the upper seat plate through a shear pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220608180.1U CN216891958U (en) | 2022-03-21 | 2022-03-21 | Ring type tensile anti-falling beam support for highway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220608180.1U CN216891958U (en) | 2022-03-21 | 2022-03-21 | Ring type tensile anti-falling beam support for highway bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216891958U true CN216891958U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220608180.1U Active CN216891958U (en) | 2022-03-21 | 2022-03-21 | Ring type tensile anti-falling beam support for highway bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216891958U (en) |
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2022
- 2022-03-21 CN CN202220608180.1U patent/CN216891958U/en active Active
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