CN203613456U - Horizontal seismic force dispersing type expansion device - Google Patents
Horizontal seismic force dispersing type expansion device Download PDFInfo
- Publication number
- CN203613456U CN203613456U CN201320857772.8U CN201320857772U CN203613456U CN 203613456 U CN203613456 U CN 203613456U CN 201320857772 U CN201320857772 U CN 201320857772U CN 203613456 U CN203613456 U CN 203613456U
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- Prior art keywords
- earthquake
- cross beam
- expansion device
- support
- dispersing type
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- Expired - Lifetime
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims description 14
- 230000001133 acceleration Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 4
- 238000007906 compression Methods 0.000 abstract 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
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Abstract
The utility model belongs to the technical field of an expansion device, and discloses a horizontal seismic force dispersing type expansion device. The horizontal seismic force dispersing type expansion device is technically characterized in that is that the device comprises boundary beams arranged in pairs and at least two centre sills, wherein support cross bars are arranged below the centre sills and the boundary beams, the two ends of each support cross bar is provided with a damping displacement tank which is provided with a first compression spring in a built-in manner, and the upper and lower surfaces of matched places between the support cross bars and the boundary beams are respectively provided with an upper pressing support and a lower pressing support; the centre sills are connected with hanging bracket support plates through hanger planks, the lower pressing supports are arranged on the hanging bracket support plates, and second compression springs are arranged between the support cross bars and the hanger planks. According to the expansion device, when the earthquake occurs, the first compression springs and the second compression springs at one side are compressed by the support cross beams, the earthquake displacement can be increased, the earthquake acceleration can be reduced, and the damage to beams and slabs caused by the earthquake can be alleviated.
Description
Technical field
The utility model belongs to stretching device technical field, relates in particular to a kind of earthquake horizontal force dispersing type stretching device.
Background technology
Earthquake horizontal force dispersing type stretching device is to solve beam body free-extension and while occurring because of dynamic load, beam body deflection value changes and main body do not produced to the bridge extension joint destroying and do not set up.Earthquake horizontal force dispersing type stretching device has solved telescopicing performance and the vertical shock-absorbing function of bridge, but can not adapt to, between beam slab and abutment, lateral displacement occurs.The patent No. is 201320343952.4, the technical scheme that the utility model patent that patent name is " earthquake horizontal force dispersing type stretching device " provides, the stretching device that has solved single central sill adapts to occur between beam slab and abutment the problem of lateral displacement, and the large displacement stretching device that but can not solve more than two central sill adapts to occur between beam slab and abutment the problem of lateral displacement.
Utility model content
The technical problems to be solved in the utility model is just to provide a kind of earthquake horizontal force dispersing type stretching device that can adapt to occur between beam slab and abutment more than two central sill of lateral displacement.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the side bar and at least two central sills that comprise paired setting, central sill and side bar are arranged with bearing cross beam, the both ends of bearing cross beam are provided with the damping displacement case of built-in the first Compress Spring, described bearing cross beam and side bar matching part upper, be respectively arranged with compressing support below, lower bearing, bearing cross beam and central sill matching part upper, be respectively arranged with bearing below, lower compressing support, central sill is connected with suspension bracket supporting plate by hanger plank, lower compressing support is arranged on suspension bracket supporting plate, between bearing cross beam and hanger plank, be provided with the second Compress Spring.
Its additional technical feature is: the bottom of described lower compressing support is provided with boss, and the top of suspension bracket supporting plate is provided with the groove matching with boss.
A kind of earthquake horizontal force dispersing type stretching device provided by the utility model, under normal circumstances, the first Compress Spring, the second Compress Spring distribute in bearing cross beam bilateral symmetry.In the time that earthquake occurs, the side bar arranging in pairs and at least two central sills drive bearing cross beam, bearing cross beam compresses the first Compress Spring, second Compress Spring of a side, the first Compress Spring, second Compress Spring of opposite side stretch, thereby make, between beam slab and abutment, lateral displacement occurs, coordinate the vibration absorption and isolation support generation earthquake induced lateral below beam slab with this, increase earthquake displacement amount, reduce earthquake acceleration, alleviate the destruction of earthquake to beam slab.After earthquake in the past, the first Compress Spring, the second Compress Spring contribute to side bar, central sill and bearing cross beam to reset.Bearing cross beam and side bar matching part above and below be respectively arranged with compressing support, lower bearing, bearing cross beam and central sill matching part above and below be respectively arranged with bearing, lower compressing support, the setting that is staggered up and down of compressing support and bearing, is conducive to balance.The bottom of lower compressing support is provided with boss, and the top of suspension bracket supporting plate is provided with the groove matching with boss, and lower compressing support is connected closely with suspension bracket supporting plate.
Accompanying drawing explanation
Fig. 1 be a kind of earthquake horizontal force dispersing type of the utility model stretching device vertically to structural representation;
Fig. 2 is that a kind of level of earthquake horizontal force dispersing type stretching device is to structural representation;
Fig. 3 is the structural representation below central sill.
The specific embodiment
Below in conjunction with accompanying drawing, the structure of a kind of earthquake horizontal force dispersing type stretching device provided by the utility model is described further.
As shown in Figure 1, a kind of earthquake horizontal force dispersing type of the utility model stretching device comprises side bar 1 and two central sills 2 of paired setting, central sill 2 and side bar 1 are arranged with bearing cross beam 3, being provided with compressing support 4 above, being provided with lower bearing 5 below of bearing cross beam 3 and side bar 1 matching part, above bearing cross beam 3 and central sill 2 matching parts, be provided with bearing 6, be provided with lower compressing support 7 below, lower compressing support 7 is arranged on suspension bracket supporting plate 8.As shown in Figure 2, central sill 2 and side bar 1 are arranged with bearing cross beam 3, and the both ends of bearing cross beam 3 are provided with the damping displacement case 10 of built-in the first Compress Spring 9, are provided with the second Compress Spring 12 between bearing cross beam 3 and hanger plank 11.As shown in Figure 3, central sill 2 is arranged with bearing cross beam 3, being provided with bearing 6 above, being provided with lower compressing support 7 below of bearing cross beam 3 and central sill 2 matching parts, central sill 2 is connected with suspension bracket supporting plate 8 by hanger plank 11, lower compressing support 7 is arranged on suspension bracket supporting plate 8, the bottom of lower compressing support 7 is provided with boss 13, and the top of suspension bracket supporting plate 8 is provided with the groove 14 matching with boss 13, is provided with the second Compress Spring 12 between bearing cross beam 3 and hanger plank 11.
A kind of earthquake horizontal force dispersing type stretching device provided by the utility model, under normal circumstances, the first Compress Spring 9, the second Compress Spring 12 distribute in bearing cross beam 3 bilateral symmetry.In the time that earthquake occurs, the side bar 1 and at least two central sills 2 that arrange in pairs drive bearing cross beam 3, bearing cross beam 3 compresses the first Compress Spring 9, second Compress Spring 12 of a side, the first Compress Spring 9 of opposite side, the second Compress Spring 12 stretch, thereby make, between beam slab and abutment, lateral displacement occurs, coordinate the vibration absorption and isolation support generation earthquake induced lateral below beam slab with this, increase earthquake displacement amount, reduce earthquake acceleration, alleviate the destruction of earthquake to beam slab.After earthquake in the past, the first Compress Spring 9, the second Compress Spring 12 contribute to side bar 1, central sill 2 and bearing cross beam 3 to reset.Being provided with compressing support 4 above, being provided with lower bearing 5 below of bearing cross beam 3 and side bar 1 matching part, being provided with bearing 6 above, being provided with lower compressing support 7 below of bearing cross beam 3 and central sill 2 matching parts, the setting that is staggered up and down of compressing support and bearing, is conducive to balance.The bottom of lower compressing support 7 is provided with boss 13, and the top of suspension bracket supporting plate 8 is provided with the groove 14 matching with boss 13, and lower compressing support 7 is connected closely with suspension bracket supporting plate 8.
A kind of earthquake horizontal force dispersing type stretching device provided by the utility model is not limited only to said structure, but no matter be which kind of form, as long as structure is identical with the utility model, all falls into the utility model protection domain.
Claims (2)
1. an earthquake horizontal force dispersing type stretching device, comprise side bar and at least two central sills of paired setting, central sill and side bar are arranged with bearing cross beam, the both ends of bearing cross beam are provided with the damping displacement case of built-in the first Compress Spring, it is characterized in that: described bearing cross beam and side bar matching part upper, be respectively arranged with compressing support below, lower bearing, bearing cross beam and central sill matching part upper, be respectively arranged with bearing below, lower compressing support, central sill is connected with suspension bracket supporting plate by hanger plank, lower compressing support is arranged on suspension bracket supporting plate, between bearing cross beam and hanger plank, be provided with the second Compress Spring.
2. a kind of earthquake horizontal force dispersing type stretching device according to claim 1, is characterized in that: the bottom of described lower compressing support is provided with boss, and the top of suspension bracket supporting plate is provided with the groove matching with boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320857772.8U CN203613456U (en) | 2013-12-24 | 2013-12-24 | Horizontal seismic force dispersing type expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320857772.8U CN203613456U (en) | 2013-12-24 | 2013-12-24 | Horizontal seismic force dispersing type expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203613456U true CN203613456U (en) | 2014-05-28 |
Family
ID=50766112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320857772.8U Expired - Lifetime CN203613456U (en) | 2013-12-24 | 2013-12-24 | Horizontal seismic force dispersing type expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203613456U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926434A (en) * | 2016-05-26 | 2016-09-07 | 哈尔滨金玉科技开发有限公司 | Bridge expansion device |
| CN111705572A (en) * | 2020-07-02 | 2020-09-25 | 杭州很美网络科技有限公司 | Combined construction structure of underground road and ground bridge |
-
2013
- 2013-12-24 CN CN201320857772.8U patent/CN203613456U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105926434A (en) * | 2016-05-26 | 2016-09-07 | 哈尔滨金玉科技开发有限公司 | Bridge expansion device |
| CN111705572A (en) * | 2020-07-02 | 2020-09-25 | 杭州很美网络科技有限公司 | Combined construction structure of underground road and ground bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |
|
| CX01 | Expiry of patent term |