CN202519580U - Tension-compression damping spherical steel supporting seat - Google Patents
Tension-compression damping spherical steel supporting seat Download PDFInfo
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- CN202519580U CN202519580U CN 201220176331 CN201220176331U CN202519580U CN 202519580 U CN202519580 U CN 202519580U CN 201220176331 CN201220176331 CN 201220176331 CN 201220176331 U CN201220176331 U CN 201220176331U CN 202519580 U CN202519580 U CN 202519580U
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- liner plate
- supporting seat
- hyperboloid
- tension
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Abstract
The utility model relates to a tension-compression damping spherical steel supporting seat. An engineering supporting seat cannot act on a vertical tension force, so that the stress concentration is not generated in conditions of supplying a drawing force to the supporting seat and rotating the supporting seat. The tension-compression damping spherical steel supporting seat provided by the utility model is provided with an upper supporting seat board and a lower supporting seat board; a spherical concave substrate and a double-curved substrate are arranged between the upper supporting seat board and the lower supporting seat board; a bolt plate with an external thread penetrates through holes at the centers of the spherical concave substrate and the double-curved substrate to fixedly connect the spherical concave substrate and the double-curved substrate; the lower surface of the spherical concave substrate is a concave spherical surface which is concave upwards; the upper surface of the double-curved substrate is a convex spherical surface which protrudes upwards; the lower surface of the double-curved substrate is a concave spherical surface which is concave upwards; and a bottom plate is arranged at the bottom end of the bolt plate, and is clamped below the concave spherical surface of the double-curved substrate. With the adoption of the tension-compression damping spherical steel supporting seat provided by the utility model, the problem that the stress concentration is easy to generate on the contact surface of a relevant structure of the steel supporting seat can be effectively overcome, so that the supporting seat can be effectively protected through the effect of consuming earthquake energy, caused by cutting a limiting bolt and a limiting board in an earthquake condition.
Description
Technical field
The utility model relates to the parts of a kind of bridge and other construction work support usefulness, is specifically related to a kind of tension and compression damping ball shaped steel bearing.
Background technology
Bearing is the vitals that is connected superstructure and substructure in bridge and the construction work, and its basic function is that the upper load with structure is delivered in the substructure through bearing, guarantees the needs of desired stressed, displacement of structure and rotation simultaneously.Therefore, generally speaking, require to possess in the susceptor design vertical bearing capacity, horizontal bearing or placement property and corner characteristic.In most of the cases, bearing possesses the needs that above function can satisfy engineering design.But in some occasion, pulling force can appear in the indivedual fulcrums of structure, and owing to reasons such as geology or construction can cause foundation settlement, can propose the requirement of anti-pulling this moment to bearing.
At present, the bearing of most of practical applications can only bear horizontal force and pressure, can not be to the pulling force generation effect of vertical direction; The anti-pulling type bearing that occurs in recent years; Up-down structure two contact surfaces when producing the tension function are line contact or some contact; Especially bigger for vertical pulling capacity, when (like earthquake) bearing corner exceeds design angle under the extreme case, be easy to produce the stress concentration phenomenon.When surpassing the expectation earthquake, the spacing power consumption bolt of bearing setting can be cut off, and plays the effect of protection beam body and pier.
Summary of the invention
The purpose of the utility model provides under the situation that bearing is applied pulling capacity and rotation, overcome stress concentrates, and the tension and compression damping ball shaped steel bearing that spacing power consumption bolt can be cut off when surpassing the expectation earthquake.
A kind of tension and compression damping ball shaped steel bearing includes upper bracket plate and lower support plate, it is characterized in that:
Be provided with ball impression liner plate and hyperboloid liner plate between described upper bracket plate and the lower support plate from top to bottom, have externally threaded bolt dish and pass the corresponding through hole of ball impression liner plate and hyperboloid liner plate central authorities the ball impression liner plate is fixedly connected with the hyperboloid liner plate.
The concave spherical surface of the soffit of described ball impression liner plate for returning to fovea superior;
The upper surface of described hyperboloid liner plate is the protruding sphere to upper process, and is corresponding with the concave spherical surface shape of ball impression liner plate;
The concave spherical surface of the soffit of described hyperboloid liner plate for returning to fovea superior;
Described bolt is tried to get to the heart of a matter to hold and is the chassis, is stuck in the concave spherical surface below of hyperboloid liner plate.
The soffit of described upper bracket plate is symmetrically arranged with the structure of colluding back of a pair of convexity, blocks the ball impression liner plate and carries out spacing;
The upper surface of described lower support plate is symmetrically arranged with the structure of colluding back of a pair of convexity, blocks the hyperboloid liner plate and carries out spacing;
Upper bracket plate a pair of colludes back structure and lower support plate a pair ofly colludes back structure vertical setting each other.
On the contact surface of described upper bracket plate and ball impression liner plate, on the contact surface of ball impression liner plate and hyperboloid liner plate, on the contact surface of hyperboloid liner plate and lower support plate, be provided with the sliding friction pair that corrosion resistant plate and slide plate are formed on the contact surface of hyperboloid liner plate and bolt dish, sliding material is ultra-high molecular weight polyethylene or polytetrafluoroethylene (PTFE).
Colluding back that the periphery of described ball impression liner plate and lower support plate are protruding is provided with the cylinder rotation strip between the structure.
The glide direction two ends of described upper bracket plate are provided with upper limit power consumption bolt and upper limit plate;
Described lower support plate glide direction two ends are provided with lower limit power consumption bolt and lower limiting board.
Described upper bracket plate is fixed through last anchor bolt;
Described lower support plate is fixed through following anchor bolt.
The utlity model has following advantage:
The utility model can overcome traditional bearing when realizing tension-compression functions; When realizing that particularly tension is pressed with rotation; The dependency structure contact surface is easy to generate the problem that stress is concentrated; Through introducing threaded bolt dish,, realize the tension pressure of bearing and the realization that separates of rotating function preferably by two pairs of curved surface friction pairs with the center of curvature at the bearing middle part.Total adopts function to separate and realizes, the mode of structure organic unity, and the power transmission clear route, stressed even, stable, reliable, the tension and compression contact surface is tight.
The utility model has also been considered under the normal operating conditions and the performance of seismic work state undersetting; Upper and lower spacing power consumption bolt and limiting plate on the bearing glide direction, have been set up; In normal operation, bearing plays the effect of resisting horizontal force at the caging bolt and the limiting plate of glide direction setting; On the other hand, under earthquake conditions, caging bolt and limiting plate cut off the effect that can play earthquake energy, on aspect the slip, considered bearing normal displacement and earthquake displacement simultaneously, can effectively protect beam body and bridge pier like this.
Description of drawings
Fig. 1 is that the vertical bridge of the utility model is to structural representation.
Fig. 2 is the direction across bridge structural representation of the utility model.
Among the figure, the last anchor bolt of 1-, 2-upper bracket plate, 3-bolt dish, 4-ball impression liner plate, 5-lower support plate, 6-hyperboloid liner plate, 7-lower limit power consumption bolt, 8-lower limiting board, 9-upper limit power consumption bolt, 10-upper limit plate, 11-cylinder rotation strip, anchor bolt under the 12-.
The specific embodiment
Below in conjunction with the specific embodiment the utility model is carried out detailed explanation.
The described a kind of tension and compression damping ball shaped steel bearing of the utility model includes upper bracket plate 2 and lower support plate 5, and upper bracket plate 2 is fixed through last anchor bolt 1, and lower support plate 5 is through anchor bolt 12 is fixing down.
Be provided with ball impression liner plate 4 and hyperboloid liner plate 6 between upper bracket plate 2 and the lower support plate 5 from top to bottom.Having externally threaded bolt dish 3 passes the corresponding through holes of ball impression liner plate 4 and hyperboloid liner plate 6 central authorities ball impression liner plate 4 is fixedly connected with hyperboloid liner plate 6.
The concave spherical surface of the soffit of ball impression liner plate 4 for returning to fovea superior; The upper surface of hyperboloid liner plate 6 is the protruding sphere to upper process, and is corresponding with the concave spherical surface shape of ball impression liner plate 4, makes and can carry out relative rotation between ball impression liner plate 4 and the hyperboloid liner plate 6.The concave spherical surface of the soffit of hyperboloid liner plate 6 for returning to fovea superior, bolt dish 3 bottoms are the chassis, are stuck in the concave spherical surface below of hyperboloid liner plate 6.
The soffit of upper bracket plate 2 is symmetrically arranged with the structure of colluding back of a pair of convexity, blocks ball impression liner plate 4 and carries out spacing; The upper surface of lower support plate 5 is symmetrically arranged with the structure of colluding back of a pair of convexity, blocks hyperboloid liner plate 6 and carries out spacing; Upper bracket plate 2 a pair of colludes back structure and lower support plate 5 a pair ofly colludes back structure vertical setting each other.So be provided with, can make the part of upper bracket plate 5 below direction linear slide in edge in the structure of colluding back at upper bracket plate 5, the part of lower support plate more than 8 can be in the linear slide on the direction vertical with above-mentioned direction of edge in the structure of colluding back of lower support plate 8.The periphery of ball impression liner plate 4 and lower support plate 5 protruding colluding back are provided with cylinder rotation strip 11 between the structure, fill the space between the two, make overall structure more firm, guarantee the slip and the rotation of bearing.
On the contact surface of upper bracket plate 2 and ball impression liner plate 4, on the contact surface of ball impression liner plate 4 and hyperboloid liner plate 6, on the contact surface of hyperboloid liner plate 6 and lower support plate 5, (sliding material can adopt ultra-high molecular weight polyethylene to be provided with the sliding friction pair of corrosion resistant plate and slide plate composition on the contact surface of hyperboloid liner plate 6 and bolt dish 3; Also can adopt polytetrafluoroethylene (PTFE)); Form many groups with the curved surface friction pair of the center of curvature and the sliding friction pair of given glide direction; Realized bearing on assigned direction linear slide and rotatablely move around the circumference of bolt dish 3, avoided the problem of stress concentration of traditional bearing advancing side effectively.
The glide direction two ends of upper bracket plate 2 are provided with upper limit power consumption bolt 9 and upper limit plate 10, and the glide direction two ends of lower support plate 5 are provided with lower limit power consumption bolt 7 and lower limiting board 8.On the one hand be displacement restriction that bearing is set in glide direction within the specific limits, caging bolt and limiting plate play the effect of resisting horizontal force; On the other hand, under earthquake conditions, caging bolt and limiting plate cut off the effect that can play earthquake energy, on aspect the slip, considered bearing normal displacement and earthquake displacement simultaneously, can effectively protect bearing like this.
Through adjustment upper limit plate 10 and lower limiting board 8 respectively and the gap between ball impression liner plate 4 and the hyperboloid liner plate 6, can change the function of use of bearing, promptly the bearing function of use can be fixed, laterally active type, longitudinally-moving type and bi-directional movable type.
This bearing can with the new compound supports of stacked fixedly composition such as other bearings such as height-adjustable supports, damping shock absorption bearing, the function of multiple bearing is integrated, make that its applicable situation is more extensive.
Claims (7)
1. a tension and compression damping ball shaped steel bearing includes upper bracket plate (2) and lower support plate (5), it is characterized in that:
Be provided with ball impression liner plate (4) and hyperboloid liner plate (6) between described upper bracket plate (2) and the lower support plate (5) from top to bottom, have externally threaded bolt dish (3) and pass the corresponding through hole of ball impression liner plate (4) and hyperboloid liner plate (6) central authorities ball impression liner plate (4) is fixedly connected with hyperboloid liner plate (6).
2. a kind of tension and compression damping ball shaped steel bearing according to claim 1 is characterized in that:
The concave spherical surface of the soffit of described ball impression liner plate (4) for returning to fovea superior;
The upper surface of described hyperboloid liner plate (6) is the protruding sphere to upper process, and is corresponding with the concave spherical surface shape of ball impression liner plate (4);
The concave spherical surface of the soffit of described hyperboloid liner plate (6) for returning to fovea superior;
Described bolt dish (3) bottom is the chassis, is stuck in the concave spherical surface below of hyperboloid liner plate (6).
3. a kind of tension and compression damping ball shaped steel bearing according to claim 1 and 2 is characterized in that:
The soffit of described upper bracket plate (2) is symmetrically arranged with the structure of colluding back of a pair of convexity, blocks ball impression liner plate (4) and carries out spacing;
The upper surface of described lower support plate (5) is symmetrically arranged with the structure of colluding back of a pair of convexity, blocks hyperboloid liner plate (6) and carries out spacing;
Upper bracket plate (2) a pair of colludes back structure and lower support plate (5) a pair ofly colludes back structure vertical setting each other.
4. a kind of tension and compression damping ball shaped steel bearing according to claim 3 is characterized in that:
On the contact surface of described upper bracket plate (2) and ball impression liner plate (4), on the contact surface of ball impression liner plate (4) and hyperboloid liner plate (6), on the contact surface of hyperboloid liner plate (6) and lower support plate (5), be provided with the sliding friction pair that corrosion resistant plate and slide plate are formed on the contact surface of hyperboloid liner plate (6) and bolt dish (3), sliding material is ultra-high molecular weight polyethylene or polytetrafluoroethylene (PTFE).
5. a kind of tension and compression damping ball shaped steel bearing according to claim 4 is characterized in that:
Colluding back that the periphery of described ball impression liner plate (4) and lower support plate (5) are protruding is provided with cylinder rotation strip (11) between the structure.
6. a kind of tension and compression damping ball shaped steel bearing according to claim 5 is characterized in that:
The glide direction two ends of described upper bracket plate (2) are provided with upper limit power consumption bolt (9) and upper limit plate (10);
The glide direction two ends of described lower support plate (5) are provided with lower limit power consumption bolt (7) and lower limiting board (8).
7. a kind of tension and compression damping ball shaped steel bearing according to claim 6 is characterized in that:
Described upper bracket plate (2) is fixing through last anchor bolt (1);
Described lower support plate (5) is through anchor bolt (12) is fixing down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220176331 CN202519580U (en) | 2012-04-24 | 2012-04-24 | Tension-compression damping spherical steel supporting seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220176331 CN202519580U (en) | 2012-04-24 | 2012-04-24 | Tension-compression damping spherical steel supporting seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202519580U true CN202519580U (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220176331 Expired - Lifetime CN202519580U (en) | 2012-04-24 | 2012-04-24 | Tension-compression damping spherical steel supporting seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202519580U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914228A (en) * | 2019-03-29 | 2019-06-21 | 株洲时代新材料科技股份有限公司 | A kind of damping device |
| CN111979905A (en) * | 2019-05-22 | 2020-11-24 | 成都市新筑路桥机械股份有限公司 | Large horizontal force tension-compression support |
| CN113668710A (en) * | 2021-08-26 | 2021-11-19 | 潮峰钢构集团有限公司 | One-way sliding hinged support system based on building limit and supporting method thereof |
| CN114875782A (en) * | 2022-06-17 | 2022-08-09 | 成都市新筑交通科技有限公司 | Earthquake recognition type shock-resistant support |
-
2012
- 2012-04-24 CN CN 201220176331 patent/CN202519580U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914228A (en) * | 2019-03-29 | 2019-06-21 | 株洲时代新材料科技股份有限公司 | A kind of damping device |
| CN111979905A (en) * | 2019-05-22 | 2020-11-24 | 成都市新筑路桥机械股份有限公司 | Large horizontal force tension-compression support |
| CN113668710A (en) * | 2021-08-26 | 2021-11-19 | 潮峰钢构集团有限公司 | One-way sliding hinged support system based on building limit and supporting method thereof |
| CN114875782A (en) * | 2022-06-17 | 2022-08-09 | 成都市新筑交通科技有限公司 | Earthquake recognition type shock-resistant support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI'AN CCCC CIVIL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CCCC FIRST HIGHWAY CONSULTANTS CO., LTD. Effective date: 20140403 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710075 XI'AN, SHAANXI PROVINCE TO: 710065 XI'AN, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140403 Address after: 710065 No. 205, No. four, science and Technology Development Zone, Xi'an hi tech Development Zone, Shaanxi Patentee after: CCCC Civil Engineering Science & Technology Co., Ltd. Address before: 710075 Xi'an hi tech Development Zone, Shaanxi science and technology No. two road, No. 63 Patentee before: CCCC First Highway Consultants Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |
|
| CX01 | Expiry of patent term |