CN220927501U - Bridge support with three-dimensional shock insulation and damping capacity - Google Patents
Bridge support with three-dimensional shock insulation and damping capacity Download PDFInfo
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- CN220927501U CN220927501U CN202322744786.5U CN202322744786U CN220927501U CN 220927501 U CN220927501 U CN 220927501U CN 202322744786 U CN202322744786 U CN 202322744786U CN 220927501 U CN220927501 U CN 220927501U
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- spring
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- shock insulation
- outer cylinder
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- 230000035939 shock Effects 0.000 title claims abstract description 31
- 238000009413 insulation Methods 0.000 title claims abstract description 20
- 238000013016 damping Methods 0.000 title claims abstract description 13
- 238000002955 isolation Methods 0.000 claims abstract description 15
- 238000010521 absorption reaction Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 238000010008 shearing Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a bridge support with three-dimensional shock insulation and damping capacity, which is suitable for a seismic frequent region. The horizontal spring is connected with the support outer cylinder through the spring connector, and the vibration isolation and shock absorption effects of the x direction and the y direction are achieved through stretching and compression deformation of the horizontal spring, the belleville spring is fixed between the lower baffle plate and the lower bottom plate, the belleville spring is guaranteed to deform along the central axis, the vertical stretching deformation of the belleville spring consumes energy of earthquake input, and the belleville spring and the slide support jointly conduct vibration isolation and shock absorption on the z direction.
Description
Technical Field
The utility model is applicable to the field of earthquake prevention and disaster reduction, and particularly relates to a bridge support with three-dimensional earthquake isolation and reduction capability applicable to earthquake frequent areas.
Background
When bridges are built to be in service in different regional environments, the bridges are inevitably corroded by various unfavorable natural disasters, and at the moment, a device capable of isolating the vibrations is needed to prevent the damages of the bridges caused by the earthquakes. The earthquake response in a two-dimensional (x-direction and y-direction) plane is considered by the conventional earthquake-isolation support in the bridge, the earthquake-isolation effect often does not reach the expected effect of people, based on the earthquake response in the z-direction is fully considered, and the bridge support with three-dimensional earthquake-isolation and shock-absorption capacity is provided so as to implement shock absorption and shock insulation measures in three directions of a bridge structure, so that the bridge in service is less damaged by natural disasters.
Disclosure of Invention
The utility model aims to provide a bridge support capable of realizing three-dimensional shock insulation and damping capacity.
In order to achieve the above purpose, the present utility model has the following technical scheme.
The three-dimensional shock insulation support comprises an upper top plate, an upper seat plate, a support outer cylinder and a lower bottom plate, wherein the upper top plate, the upper seat plate, the support outer cylinder and the lower bottom plate jointly form a main structural frame of the three-dimensional shock insulation support.
The horizontal spring is fixed between the slide plate support and the support outer cylinder through the spring connector, and vibration isolation and shock absorption effects in the x direction and the y direction are achieved through pulling up of the horizontal spring.
The movable cavity is formed by the upper baffle plate and the lower baffle plate, the spring core ensures that the disc spring deforms along the central axis, and the vertical compression amount generated by the disc spring enables the spring core to generate vertical displacement in the movable cavity.
The lower baffle, lower plate, shear key, belleville spring installs and fixes between lower baffle and lower plate, and is provided with the shear key on the belleville spring, and when vertical ground vibrations made belleville spring tensile, it was sheared and is broken in shear key department to the vibration isolation, the shock attenuation effect of z direction is reached in the hope.
The spring core, support urceolus, lower plate, bolt hole, spring core, support urceolus all welded fastening are at the lower plate, and the lower plate still is equipped with the bolt hole.
The utility model further provides the novel high-strength steel spring core, wherein the upper top plate, the upper seat plate, the support outer cylinder, the lower bottom plate, the upper baffle plate, the lower baffle plate and the spring core are all made of the high-strength steel.
In a still further aspect of the utility model, the shear key provided on the belleville spring does not shear apart when compressed and shear apart when the spring is in tension.
According to the utility model, the horizontal spring can realize stretching and compression deformation, and shearing damage does not occur.
According to the utility model, the belleville springs are fixed on the lower bottom plate, and the upper baffle plate and the lower baffle plate can vertically displace in the outer cylinder of the support.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a bridge support with three-dimensional shock insulation and damping capacity, which comprises a main structural frame of the support, wherein the main structural frame comprises a horizontal spring, a support outer cylinder, a belleville spring and a shear key. When an earthquake occurs, the earthquake energy input in the x direction and the y direction can be consumed through the stretching and the compression of the horizontal springs, and the earthquake energy input in the z direction is consumed through the vertical stretching of the belleville springs, so that the three-dimensional vibration isolation and damping effects on the bridge are achieved; when the vertical stretching amount of the belleville springs reaches a certain degree, the belleville springs are integrally sheared and separated at the shearing keys, so that the main beam is separated from the lower structure, and the purpose of protecting the upper main body structure of the bridge from being damaged by earthquake disasters is achieved.
Drawings
Fig. 1 is a schematic diagram of the front structure of a bridge bearing with three-dimensional shock insulation and damping capability according to the present utility model.
Fig. 2 is a schematic cross-sectional view of a front structure of a bridge bearing with three-dimensional shock insulation and damping capability according to the present utility model.
Fig. 3 is an enlarged schematic view of the structure a of the bridge bearing with three-dimensional shock insulation and damping capacity.
FIG. 4 is a schematic view of a belleville spring of a bridge bearing with three-dimensional shock isolation and absorption capabilities of the present utility model.
FIG. 5 is a schematic 2-2 cross-sectional view of a bridge bearing with three-dimensional shock insulation and absorption capability according to the present utility model.
Detailed Description
The following description of the technical solutions according to the embodiments of the present utility model will be provided fully with reference to the accompanying drawings in the embodiments of the present utility model, in which the embodiments described below are only some embodiments of the present utility model, and not all embodiments of the present utility model.
Example 1.
As shown in figures 1-5, the utility model provides a bridge support with three-dimensional shock insulation and damping capacity. The device comprises an upper top plate 1, an upper seat plate 2, a spring connector 3, a horizontal spring 4, a lower seat plate 5, an upper baffle 6, a movable chamber 7, a lower baffle 8, a support outer cylinder 9, a spring core 10, a disc spring 11, a lower bottom plate 12, an anchor bolt 13, a shear bolt 14, a plane sliding plate 15, a shear key 16 and a bolt hole 17. The three-dimensional shock insulation support comprises a main structure frame which is formed by an upper top plate 1, an upper seat plate 2, a support outer cylinder 9 and a lower bottom plate 12; the horizontal spring 4 is fixed between the sliding plate support A and the support outer cylinder 9 through the spring connector 3, and the vibration isolation and shock absorption effects in the x direction and the y direction are expected to be achieved through pulling up of the horizontal spring 4; the upper baffle plate 6 and the lower baffle plate 8 form a movable chamber 7, the spring core 10 ensures that the belleville springs 11 deform along the central axis, and the vertical compression amount generated by the belleville springs 11 enables the spring core 10 to generate vertical displacement in the movable chamber 7; the disc spring 11 is arranged and fixed between the lower baffle plate 8 and the lower bottom plate 12, and a shear key 16 is arranged on the disc spring 11, when the disc spring 11 stretches due to vertical vibration, the disc spring is sheared and broken at the shear key 16, so that the vibration isolation and damping effects in the z direction are expected to be achieved; the spring core 10 and the support outer cylinder 9 are welded and fixed on the lower bottom plate 12, and the lower bottom plate 12 is also provided with bolt holes 17; the upper top plate 1, the upper seat plate 2, the support outer cylinder 9, the lower bottom plate 12, the upper baffle 6, the lower baffle 8 and the spring core 10 are all made of high-strength steel; the shear key 16 arranged on the belleville spring 11 does not shear off when being pressed, and the shear key does shear off when the spring is pulled; the horizontal spring 4 can realize stretching and compression deformation and is free from shearing damage; the belleville springs 11 are fixed on the lower bottom plate 12, and the upper baffle 6 and the lower baffle 8 can vertically displace in the support outer cylinder 7.
The disc spring 11 is in a pressed state in a normal use process, no vertical deformation exists, the shear key 16 does not act at the moment, when earthquake energy is input, the shear key 16 acts when the disc spring 11 is pulled, and when the tensile deformation reaches a certain degree, the shear separation occurs, so that the main structure at the upper part of the bridge is protected from being damaged by earthquake disasters.
Those of ordinary skill in the art will appreciate that: although the present utility model has been described in detail with reference to the foregoing embodiments, the technical features of the foregoing embodiments or the various embodiments may be combined or some of the technical features may be replaced equally within the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. Bridge support with three-dimensional shock insulation, shock attenuation ability, its characterized in that includes: the three-dimensional shock insulation support comprises an upper top plate, an upper seat plate, a support outer cylinder and a lower bottom plate, wherein the upper top plate, the upper seat plate, the support outer cylinder and the lower bottom plate form a main structure frame of the three-dimensional shock insulation support together; the horizontal spring is fixed between the slide plate support and the support outer cylinder through the spring connector, and the vibration isolation and shock absorption effects in the x direction and the y direction are achieved through pulling up of the horizontal spring; the device comprises an upper baffle, a lower baffle, a movable chamber, a spring core and a disc spring, wherein the upper baffle and the lower baffle form the movable chamber, the spring core ensures that the disc spring deforms along a central axis, and the vertical compression amount generated by the disc spring enables the spring core to generate vertical displacement in the movable chamber; the device comprises a lower baffle plate, a lower bottom plate, a shearing key and a disc spring, wherein the disc spring is fixedly arranged between the lower baffle plate and the lower bottom plate, the shearing key is arranged on the disc spring, and when the disc spring stretches due to vertical vibration, the disc spring is sheared and broken at the shearing key so as to achieve the vibration isolation and shock absorption effects in the z direction; the spring core, support urceolus, lower plate, bolt hole, spring core, support urceolus all welded fastening are at the lower plate, and the lower plate still is equipped with the bolt hole.
2. The bridge support with three-dimensional shock insulation and damping capacity according to claim 1, wherein the upper top plate, the upper seat plate, the support outer cylinder, the lower bottom plate, the upper baffle plate, the lower baffle plate and the spring core are all made of high-strength steel.
3. The bridge bearing with three-dimensional shock isolation and absorption capability according to claim 1, wherein the shear key arranged on the belleville spring does not shear separation when pressed and does shear separation when the spring is pulled.
4. The bridge bearing with three-dimensional shock insulation and absorption capacity according to claim 1, wherein the horizontal spring can realize stretching and compression deformation without shearing damage.
5. The bridge support with three-dimensional shock insulation and damping capacity according to claim 1, wherein the belleville springs are fixed on a lower bottom plate, and the upper baffle plate and the lower baffle plate can vertically displace in the support outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322744786.5U CN220927501U (en) | 2023-10-13 | 2023-10-13 | Bridge support with three-dimensional shock insulation and damping capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322744786.5U CN220927501U (en) | 2023-10-13 | 2023-10-13 | Bridge support with three-dimensional shock insulation and damping capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220927501U true CN220927501U (en) | 2024-05-10 |
Family
ID=90963239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322744786.5U Active CN220927501U (en) | 2023-10-13 | 2023-10-13 | Bridge support with three-dimensional shock insulation and damping capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220927501U (en) |
-
2023
- 2023-10-13 CN CN202322744786.5U patent/CN220927501U/en active Active
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