CN201485785U - Spherical steel bearing of elastic-plastic anti-falling beam - Google Patents
Spherical steel bearing of elastic-plastic anti-falling beam Download PDFInfo
- Publication number
- CN201485785U CN201485785U CN2009201042928U CN200920104292U CN201485785U CN 201485785 U CN201485785 U CN 201485785U CN 2009201042928 U CN2009201042928 U CN 2009201042928U CN 200920104292 U CN200920104292 U CN 200920104292U CN 201485785 U CN201485785 U CN 201485785U
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- elastic
- elastoplasticity
- slideway
- post
- base
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Abstract
The utility model belongs to the technical field of spherical steel bearings and particularly discloses a spherical steel bearing of an elastic-plastic anti-falling beam. The technical scheme is characterized in that an upper sliding plate arranged at the external side of the external side wall of a first slideway is provided with a pressing plate that has a structure integrated with the upper sliding plate; the bottom plate is provided with an elastic-plastic column; the top end of the elastic-plastic column props against the lower part of the pressing plate; the bottom plate arranged at the external side of a base is provided with a second slideway that is arranged along the position-limiting direction of the bearing; and the edge of the base is clamped in the second slideway. After a shearing pin is cut off, the elastic-plastic column generates elastic deformation firstly so as to reduce a horizontal shearing force; with the increase of the force, the elastic-plastic column generates the plastic deformation, thus reducing the horizontal shearing force further, and preventing the phenomenon of beam-falling due to an earthquake or collision with a bridge surface.
Description
Technical field
The utility model belongs to the bridge pad technical field, particularly a kind of elastic-plastic beam dropping prevention spherical steel support seat.
Background technology
At present, the folk prescription of use, can to allow folk prescription to moving a certain distance, and can not produce displacement in the direction vertical with this direction in order to prevent because of normal horizontal shear force causes damage to bearing to spacing ball shaped steel bearing.For achieving the above object, be provided with shear pin for four jiaos at base and base plate, when earthquake or external force collision bridge floor take place when, spacing direction generation shearing force at bearing makes shear pin fracture, at this moment, the bridge floor of bridge can be removed bridge pier, cause bridge floor to collapse, not only cause the tremendous economic loss, but also may cause huge casualties.
The utility model content
The technical problem that the utility model solves with regard to provide a kind of easy to use, can prevent effectively that bridge floor breaks away from bridge pier and causes the elastic-plastic beam dropping prevention spherical steel support seat that caves in.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: comprise the upper slide that is arranged in order from top to bottom, the first plane tetrafluoro plate, the upper bracket plate, the second plane tetrafluoro plate, the ball core, sphere tetrafluoro plate, base, base plate, below described upper slide, be provided with and make this upper slide move freely first slideway that direction moves around along bearing with respect to described upper bracket plate, described upper bracket panel edges snaps in described first slideway, be provided with shear pin for four jiaos at described base and base plate, the upper slide that is positioned at the described first slideway lateral wall outside is provided with the pressing plate with described upper slide integrative-structure, described base plate is provided with the elastoplasticity post, the top of described elastoplasticity post withstands on described pressing plate below, the base plate of described chassis outer side is provided with second slideway along the spacing direction of bearing, and the edge of described base snaps in described second slideway.
Its additional technical feature is:
Described elastoplasticity post is two rows that arrange along the described first slideway direction;
Described every row's elastoplasticity post is six;
Described platen edge has flanging, and this flanging, described pressing plate and the described first slideway lateral wall form elastoplasticity post track, and described elastoplasticity post comprises column cap and cylinder, and described column cap snaps in the described elastoplasticity post track;
The cylinder body shape of described elastoplasticity post is Function Y=X
3The curve of (Y＜0) rotates a circle along Y-axis and slightly goes up thin column formed time;
Be positioned at described base and base plate contact surface position is provided with along its peripheral shearing groove at described shear pin;
Be with guide at described shear pin radial outside, described guide comprises guide and following guide, the described guide of going up is connected with described whorl of base, and described guide down is connected with described base thread, and described shear pin and described upward guide and described downside pin cover closely cooperate;
Top at described shear pin is provided with baffle plate.
Elastic-plastic beam dropping prevention spherical steel support seat provided by the utility model is compared with prior art and is had the following advantages: one, owing to comprise the upper slide that is arranged in order from top to bottom, the first plane tetrafluoro plate, the upper bracket plate, the second plane tetrafluoro plate, the ball core, sphere tetrafluoro plate, base, base plate, below described upper slide, be provided with and make this upper slide move freely first slideway that direction moves around along bearing with respect to described upper bracket plate, described upper bracket panel edges snaps in described first slideway, be provided with shear pin for four jiaos at described base and base plate, the upper slide that is positioned at the described first slideway lateral wall outside is provided with the pressing plate with described upper slide integrative-structure, described base plate is provided with the elastoplasticity post, the top of described elastoplasticity post withstands on described pressing plate below, the base plate of described chassis outer side is provided with second slideway along the spacing direction of bearing, the edge of described base snaps in described second slideway, when moving freely direction generation horizontal shear along bearing, the elastoplasticity post can be along the outer side shifting of the first slideway lateral wall, guaranteed that bearing moves along moving freely direction, when producing horizontal shear along the spacing direction of bearing and reach certain intensity, at first shear pin is cut off, then, bridge floor drives upper slide, the first plane tetrafluoro plate, the upper bracket plate, the second plane tetrafluoro plate, the ball core, sphere tetrafluoro plate, base moves along second slideway, make and be positioned at first slideway lateral wall outside elastoplasticity post under the thrust of upper slide, elastic deformation at first takes place, horizontal shear is cut down, increasing along with dynamics, elastoplasticity post generation plastic strain, further cut down horizontal shear, and, second slideway can be controlled base and not be offset, and has prevented because earthquake or bump bridge floor cause the generation of beam phenomenon; Its two because described elastoplasticity post be along two arranging that the described first slideway direction is arranged; And described every row's elastoplasticity post is six, makes whole bearing when earthquake or bump bridge floor take place, and each position stressed more even cut down shearing and the power consumption effect is more obvious; They are three years old, because described platen edge has flanging, this flanging, described pressing plate and the described first slideway lateral wall form elastoplasticity post track, described elastoplasticity post comprises column cap and cylinder, described column cap snaps in the described elastoplasticity post track, when when certain side produces horizontal shear, elastic deformation and plastic deformation take place in the elastoplasticity post of this side under the effect of elastoplasticity post track, and the elastoplasticity post that is positioned at opposite side is under the effect of flanging, elastic deformation and plastic deformation also take place, and the energy attenuation ability is doubled; Its four because the cylinder body shape of described elastoplasticity post is Function Y=X
3The curve of (Y＜0) rotates a circle along Y-axis and slightly goes up thin column formed time, at this moment, when elastic deformation and plastic deformation take place, almost equal at the intensity of force that each position of elastoplasticity post is subjected to, the elastoplasticity post improves the energy attenuation ability, and the elastoplasticity post is not easy to fracture when elastic deformation and plastic deformation take place; They are five years old, owing to be with guide at described shear pin radial outside, described guide comprises guide and following guide, the described guide of going up is connected with described whorl of base, described down guide is connected with described base thread, described shear pin with described on guide and described downside pin cover closely cooperate, cause shear pin to fracture when the generation earthquake or when clashing into bridge floor after, can will go up guide and the taking-up of downside pin cover through rotation, it is convenient to change shear pin.
Description of drawings
Fig. 1 is the sectional drawing structural representation along the spacing direction of bearing of elastic-plastic beam dropping prevention spherical steel support seat provided by the utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 has the sectional drawing of the elastic-plastic beam dropping prevention spherical steel support seat of flanging along the spacing direction of bearing;
Fig. 4 is for moving freely the sectional drawing of direction along bearing;
Fig. 5 is the structural representation of elastoplasticity post;
Fig. 6 is the sectional drawing of shear pin position.
The specific embodiment
Be described in further detail below in conjunction with the structure of the drawings and specific embodiments elastic-plastic beam dropping prevention spherical steel support seat provided by the utility model.
As Fig. 1, Fig. 2 and shown in Figure 4, this elastic-plastic beam dropping prevention spherical steel support seat comprises upper slide 1, the first plane tetrafluoro plate 41, upper bracket plate 3, the second plane tetrafluoro plate 42, ball core 5, sphere tetrafluoro plate 43, base 7, the base plate 8 that is arranged in order from top to bottom, below upper slide 1, be provided with first slideway 10 that moves freely direction along bearing, the edge of upper bracket plate 3 snaps in first slideway 10, and upper slide 1 can move around along first slideway 10 with respect to upper bracket plate 3.Four jiaos at base 7 and base plate 8 are provided with shear pin 9.The upper slide 1 that is positioned at first slideway, the 10 lateral walls outsides is provided with the pressing plate 11 with upper slide 1 integrative-structure, base plate 8 is provided with elastoplasticity post 2, the top of elastoplasticity post 2 withstands on the below of pressing plate 11, the base plate 8 in base 7 outsides is provided with second slideway 81 along the spacing direction of bearing, and the edge of base 7 snaps in second slideway 81.When moving freely direction generation horizontal shear along bearing, elastoplasticity post 2 can be along the outer side shifting of first slideway, 10 lateral walls, guaranteed that bearing moves along moving freely direction, when producing horizontal shear along the spacing direction of bearing and reach certain intensity, at first shear pin 9 is cut off, then, bridge floor drives upper slide 1, the first plane tetrafluoro plate 41, upper bracket plate 3, the second plane tetrafluoro plate 42, ball core 5, sphere tetrafluoro plate 43, base 7 moves along second slideway 81, make the elastoplasticity post 2 that is positioned at first slideway, the 10 lateral walls outside under the thrust of upper slide 1, elastic deformation at first takes place, horizontal shear is cut down, increasing along with dynamics, plastic strain takes place in elastoplasticity post 2, further cut down horizontal shear, and second slideway 81 can be controlled base and not be offset, and has prevented because earthquake or bump bridge floor cause the generation of beam phenomenon.
As shown in Figure 3 and Figure 4, have flanging 12 at the edge of pressing plate 11, like this, flanging 12, the lateral wall of the pressing plate 11 and first slideway 10 forms elastoplasticity post track 13, as shown in Figure 5, elastoplasticity post 2 comprises column cap 21 and cylinder 22, column cap 21 snaps in the elastoplasticity post track 13, and when when certain side produces horizontal shear, elastic deformation and plastic deformation take place under the effect of elastoplasticity post track 13 the elastoplasticity post 2 of this side, and the elastoplasticity post 2 that is positioned at opposite side is under the effect of flanging, elastic deformation and plastic deformation also take place, and the energy attenuation ability is doubled, and earthquake is to rock back and forth mostly, like this, the damping capacity for seismic energy is stronger.
As shown in Figure 5, cylinder 22 is shaped as Function Y=X
3(Y-axis is a vertical direction, X-axis is the horizontal direction vertical with Y-axis, Y＜0) curve rotates a circle along Y-axis and slightly goes up thin column formed time, when elastic deformation and plastic deformation take place, almost equal at the intensity of force that each position of elastoplasticity post 2 is subjected to, 2 pairs of energy attenuation abilities of elastoplasticity post improve, and elastoplasticity post 2 is not easy to fracture when elastic deformation and plastic deformation take place.
As shown in Figure 6, be positioned at base 7 and base plate 8 contact surface positions are provided with along its peripheral shearing groove 91 at shear pin 9, under the effect of horizontal shear, can guarantee that shear pin 9 cuts off at base 7 and base plate 8 contact surface positions, prevent that shear pin 9 from cutting off and may cause damage to bearing in other positions.
Radial outside at shear pin 9 is with guide 92, guide 92 comprises guide 93 and following guide 94, last guide 93 is threaded with base 7, following guide 94 is threaded with base plate 8, shear pin 9 closely cooperates with last guide 93 and following guide 94, after causing shear pin to fracture when earthquake or bump bridge floor take place, can will go up guide 93 through rotation and take out with following guide 94, it is convenient to change shear pin.
The foregoing description is just to explanation of the present utility model, and therefore, protection domain of the present utility model not only is confined to the foregoing description, as long as structure is identical with the utility model elastic-plastic beam dropping prevention spherical steel support seat, just drops on the scope of the utility model protection.
Claims (8)
1. elastic-plastic beam dropping prevention spherical steel support seat, comprise the upper slide that is arranged in order from top to bottom, the first plane tetrafluoro plate, the upper bracket plate, the second plane tetrafluoro plate, the ball core, sphere tetrafluoro plate, base, base plate, below described upper slide, be provided with and make this upper slide move freely first slideway that direction moves around along bearing with respect to described upper bracket plate, described upper bracket panel edges snaps in described first slideway, be provided with shear pin for four jiaos at described base and base plate, it is characterized in that: the upper slide that is positioned at the described first slideway lateral wall outside is provided with the pressing plate with described upper slide integrative-structure, described base plate is provided with the elastoplasticity post, the top of described elastoplasticity post withstands on described pressing plate below, the base plate of described chassis outer side is provided with second slideway along the spacing direction of bearing, and the edge of described base snaps in described second slideway.
2. elastic-plastic beam dropping prevention spherical steel support seat according to claim 1 is characterized by: two rows of described elastoplasticity post for arranging along the described first slideway direction.
3. elastic-plastic beam dropping prevention spherical steel support seat according to claim 2 is characterized by: described every row's elastoplasticity post is six.
4. elastic-plastic beam dropping prevention spherical steel support seat according to claim 2, it is characterized by: described platen edge has flanging, this flanging, described pressing plate and the described first slideway lateral wall form elastoplasticity post track, described elastoplasticity post comprises column cap and cylinder, and described column cap snaps in the described elastoplasticity post track.
5. elastic-plastic beam dropping prevention spherical steel support seat according to claim 4 is characterized by: the cylinder body shape of described elastoplasticity post is Function Y=X
3The curve of (Y＜0) rotates a circle along Y-axis and slightly goes up thin column formed time.
6. elastic-plastic beam dropping prevention spherical steel support seat according to claim 1 is characterized by: be positioned at described base and base plate contact surface position is provided with along its peripheral shearing groove at described shear pin.
7. elastic-plastic beam dropping prevention spherical steel support seat according to claim 6, it is characterized by: be with guide at described shear pin radial outside, described guide comprises guide and following guide, the described guide of going up is connected with described whorl of base, described guide down is connected with described base thread, and described shear pin and described upward guide and described downside pin cover closely cooperate.
8. according to claim 6 or 7 described elastic-plastic beam dropping prevention spherical steel support seats, it is characterized by: the top at described shear pin is provided with baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201042928U CN201485785U (en) | 2009-08-12 | 2009-08-12 | Spherical steel bearing of elastic-plastic anti-falling beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201042928U CN201485785U (en) | 2009-08-12 | 2009-08-12 | Spherical steel bearing of elastic-plastic anti-falling beam |
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| Publication Number | Publication Date |
|---|---|
| CN201485785U true CN201485785U (en) | 2010-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201042928U Expired - Lifetime CN201485785U (en) | 2009-08-12 | 2009-08-12 | Spherical steel bearing of elastic-plastic anti-falling beam |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444085A (en) * | 2011-10-31 | 2012-05-09 | 株洲时代新材料科技股份有限公司 | Girder-falling prevention device |
| CN101624809B (en) * | 2009-08-12 | 2012-05-23 | 丰泽工程橡胶科技开发股份有限公司 | Elastic-plastic beam dropping prevention spherical steel support seat |
| CN102839603A (en) * | 2012-09-26 | 2012-12-26 | 彭天波 | High-friction antivibration support and preparation method thereof |
| CN102953325A (en) * | 2011-08-17 | 2013-03-06 | 交通运输部公路科学研究所 | Frictional slip seismic structure for improving seismic capacity of rigid frame bridges |
| CN104032670A (en) * | 2014-06-11 | 2014-09-10 | 同济大学 | Large-corner high-friction shock-absorbing and shock-isolating support |
| CN104404870A (en) * | 2014-11-26 | 2015-03-11 | 成都市新筑路桥机械股份有限公司 | Large-tonnage marine corrosion prevention metal damping seismic mitigation and isolation steel supporting seat |
| CN105113656A (en) * | 2015-09-16 | 2015-12-02 | 北京市建筑设计研究院有限公司 | Universal horizontal elastic support |
-
2009
- 2009-08-12 CN CN2009201042928U patent/CN201485785U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624809B (en) * | 2009-08-12 | 2012-05-23 | 丰泽工程橡胶科技开发股份有限公司 | Elastic-plastic beam dropping prevention spherical steel support seat |
| CN102953325A (en) * | 2011-08-17 | 2013-03-06 | 交通运输部公路科学研究所 | Frictional slip seismic structure for improving seismic capacity of rigid frame bridges |
| CN102444085A (en) * | 2011-10-31 | 2012-05-09 | 株洲时代新材料科技股份有限公司 | Girder-falling prevention device |
| CN102444085B (en) * | 2011-10-31 | 2014-11-12 | 株洲时代新材料科技股份有限公司 | Girder-falling prevention device |
| CN102839603A (en) * | 2012-09-26 | 2012-12-26 | 彭天波 | High-friction antivibration support and preparation method thereof |
| CN102839603B (en) * | 2012-09-26 | 2015-01-28 | 彭天波 | Preparation method of high-friction antivibration support |
| CN104032670A (en) * | 2014-06-11 | 2014-09-10 | 同济大学 | Large-corner high-friction shock-absorbing and shock-isolating support |
| CN104032670B (en) * | 2014-06-11 | 2015-11-25 | 同济大学 | A kind of large corner high friction antivibration support |
| CN104404870A (en) * | 2014-11-26 | 2015-03-11 | 成都市新筑路桥机械股份有限公司 | Large-tonnage marine corrosion prevention metal damping seismic mitigation and isolation steel supporting seat |
| CN104404870B (en) * | 2014-11-26 | 2016-04-27 | 成都市新筑路桥机械股份有限公司 | The damping of large-tonnage anti-marine corrosion metal subtracts shock insulation steel support |
| CN105113656A (en) * | 2015-09-16 | 2015-12-02 | 北京市建筑设计研究院有限公司 | Universal horizontal elastic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100526 Effective date of abandoning: 20090812 |