CN201635001U - One-way spherical support - Google Patents
One-way spherical support Download PDFInfo
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- CN201635001U CN201635001U CN2010201124367U CN201020112436U CN201635001U CN 201635001 U CN201635001 U CN 201635001U CN 2010201124367 U CN2010201124367 U CN 2010201124367U CN 201020112436 U CN201020112436 U CN 201020112436U CN 201635001 U CN201635001 U CN 201635001U
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- plate
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- steel liner
- bearing
- spherical crown
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Abstract
The utility model relates to a one-way spherical support which comprises a support baseplate, a spherical crown steel liner plate and a support top plate that are arranged in sequence, wherein a spherical surface friction pair is arranged between a concave spherical surface of the support baseplate and a convex spherical surface of the spherical crown steel liner plate; a plane friction pair is arranged between the bottom surface of the support top plate and the top plane of the spherical crown steel liner plate, a guide block is arranged in the middle of the top plane of the spherical crown steel liner plate, a sliding groove which directively slides by matching with the guide block is arranged in the middle of the support top plate, a guide friction pair is arranged between the guide block and the sliding surface of the sliding groove, and the guide friction pair is formed by a stainless steel plate and a polytetrafluoroethylene sliding plate, or a stainless steel plate and a molecular polyethylene sliding plate, or a stainless steel plate and an SF-1 three-layer composite plate; and a protection shield is arranged on the one-way spherical support. The one-way spherical support has low friction coefficient, good dustproof effect and long service life; the under the situation of large rotation angle, the support top plate can be influenced by the appearance size of the support baseplate and the spherical crown steel liner plate; and when the support top plate is rotated, the rotation angle is not limited.
Description
Technical field
The utility model relates to a kind of bridge facility, particularly a kind of unidirectional spherical bearing that is used to support bridge.
Background technology
Spherical bearing is meant and is set up on the Bridge Pier, the device of end face supporting bridge superstructure, and its function is born the various power that act on superstructure for superstructure is fixed in pier, and it is passed to pier reliably; Under load, temperature, concrete shrinkage and the effect of creeping etc., cooperate rotation with the sphere of base-plate by the spherical crown steel liner plate, but make the superstructure Free Transform and can between superstructure and substructure, not produce extra additional internal force.
Spherical bearing is divided into fixed bearing, unidirectional sliding support, two-way sliding support, at present, the bearing top board of the unidirectional sliding support that uses on the bridge all is to cover on base-plate or the spherical crown steel liner plate by the both sides guiding, and comes restriction and drag to whole bearing with this.
There is following weak point in the bearing of this kind structure: 1, base-plate or spherical crown steel liner plate must be provided with guiding device and cooperate with top board, cause the monnolithic case size of bearing to strengthen, and weight also increases thereupon, makes cost increase greatly; 2, owing to slide in the both sides guiding, this form of structure can have influence on the result of use of whole bearing, is restricted or the like as corner.
Summary of the invention
Problem to be solved in the utility model is: provide a kind of under the situation of big corner, the bearing top board can not be subjected to the influence of the appearance and size of base-plate and spherical crown steel liner plate, the unrestricted unidirectional spherical bearing of corner is to overcome the existing above-mentioned deficiency of prior art.
Address the above problem technical scheme be: a kind of unidirectional spherical bearing, comprise base-plate, spherical crown steel liner plate and bearing top board that order is installed, be provided with the sphere friction pair between the protruding sphere of the concave spherical surface of base-plate and spherical crown steel liner plate, be provided with the planar friction pair between bearing top board bottom surface and the spherical crown steel liner plate top surface plane, a guide pad is installed in the middle of the described spherical crown steel liner plate top surface plane, has a chute that cooperates slip with guide pad in the middle of the bearing top board bottom.
Its further technical scheme is: the cross section of described guide pad is " T " font of thick waist, the crossbeam edge of " T " font guide pad bottom is scored to be preced with in the middle groove of steel liner plate end face and by sunk screw and is fixed on spherical crown steel liner plate end face middle part, guide pad protrudes the chute of spherical crown steel liner plate top surface plane part bottom the bearing top board and is slidingly matched, and is provided with the guiding friction pair between two medial surfaces of guide pad waist two lateral surfaces and chute.
Its again further technical scheme be: described guiding friction pair or constitute by corrosion resistant plate and poly-tetrafluoro slide plate or corrosion resistant plate and modified ultra-high molecular polyethylene sliding plate or corrosion resistant plate and SF-1 three-layer composite board.
Described sphere friction pair is made of sphere polytetrafluoroethylene (PTFE) slide plate or sphere modified ultra-high molecular polyethylene sliding plate;
Described planar friction pair is made of the poly-tetrafluoro slide plate of stainless steel slide plate and plane, or constitute by stainless steel slide plate and modified ultra-high molecular polyethylene sliding plate, the stainless steel slide plate is fixed on the bottom surface of bearing top board, and poly-tetrafluoro slide plate in plane or modified ultra-high molecular polyethylene sliding plate are fixed on the end face of spherical crown steel liner plate.
Its further technical scheme be: described unidirectional spherical bearing is provided with protective cover, the upper end sealing and fixing of protective cover is at the periphery of bearing top board, the lower end of protective cover covers spherical crown steel liner plate and base-plate, and protective cover is made with rubber, corrosion resistant plate or paint canvas.
Owing to take technique scheme, a kind of single-direction balls type bearing of the utility model has following beneficial effect:
1. a kind of single-direction balls type bearing of the utility model, compared with prior art, the centre of bearing top board has a gathering sill, and the guide pad middle with spherical crown steel liner plate end face matches, and bearing is under the situation of big corner, the bearing top board can not be subjected to the influence of the appearance and size of base-plate and spherical crown steel liner plate, not only can dwindle certain size, and there is not constraint around the both sides in the bearing top board when rotating from profile, can rotate arbitrarily, corner is unrestricted.
2. a kind of single-direction balls type bearing of the utility model has between the medial launder both sides of bearing top board of guide effect and the guide pad and is provided with friction pair, makes it to reduce friction factor, improves the bearing result of use.
3. a kind of single-direction balls type bearing of the utility model is provided with the protective cover made from the rubber tile elastomeric material, can effectively prevent the erosion of rainwater and dust to friction pair and abutment member, prolong the application life of spherical bearing, do not hinder the rotation of bearing top board simultaneously again.
Be described further below in conjunction with the technical characterictic of drawings and Examples a kind of single-direction balls type bearing of the utility model.
Description of drawings
Fig. 1: a kind of single-direction balls type seat structure schematic diagram of the utility model (main cuing open);
Fig. 2: scheme of installation behind a kind of single-direction balls type bearing Rotate 180 of the utility model;
The vertical view of Fig. 3: Fig. 1
Fig. 4～Fig. 5: guide block structure schematic diagram:
Fig. 4-front view (partial cutaway), the left view of Fig. 5-Fig. 4.
Among the figure:
1-bearing top board, 2-stainless steel slide plate, the tetrafluoro slide plate is gathered on the 3-plane, 4-guide pad, the 5-friction pair that leads, 6-base-plate, 7-sphere friction pair, 8-spherical crown steel liner plate, 9-bolt sleeve, 10-protective cover.
The specific embodiment
Embodiment one: as shown in Figure 1, a kind of unidirectional spherical bearing, comprise base-plate 6, spherical crown steel liner plate 8 and bearing top board 1 that order is installed, be provided with sphere friction pair 7 between the protruding sphere of the concave spherical surface of base-plate 6 and spherical crown steel liner plate 8, be provided with the planar friction pair between bearing top board 1 bottom surface and spherical crown steel liner plate 8 top surface plane, a guide pad 4 is installed in the middle of described spherical crown steel liner plate 8 end faces, has a chute that cooperates guiding to slide with guide pad 4 in the middle of bearing top board 1 bottom.
The cross section of described guide pad 4 is " T " font of thick waist, the crossbeam of " T " font guide pad 4 bottoms edge is scored and is preced with in the middle groove of steel liner plate 8 end faces, and be fixed on spherical crown steel liner plate 8 end faces by sunk screw, the chute that " T " font guide pad 4 that falls protrudes spherical crown steel liner plate 8 summit portions and bearing top board 1 bottom is slidingly matched, and is provided with guiding friction pair 5 between two medial surfaces of guide pad waist two lateral surfaces and chute; Described guiding friction pair 5 is made of corrosion resistant plate and poly-tetrafluoro slide plate, and when bridge floor produced displacement, the bearing top board 1 that is connected with bridge can be along guide pad 4 straight slips.
The sphere friction pair 7 that is provided with between the protruding sphere of the concave spherical surface of described base-plate 6 and spherical crown steel liner plate 8 is made of the poly-tetrafluoro slide plate of sphere.
Planar friction pair between described bearing top board 1 bottom surface and spherical crown steel liner plate 8 end faces is made of the poly-tetrafluoro slide plate 3 in stainless steel slide plate 2 and plane, and stainless steel slide plate 2 is fixed on the bottom surface of bearing top board 1, and the poly-tetrafluoro slide plate 3 in plane is set in the end face of spherical crown steel liner plate 8.
Described unidirectional spherical bearing is provided with protective cover 10, and the upper end sealing and fixing of protective cover 10 is at the periphery of bearing top board 1, and the lower end of protective cover 10 covers spherical crown steel liner plate 8 and base-plate 6; Protective cover 10 usefulness elastomeric materials are made.
This a kind of unidirectional spherical bearing is connected with bridge by bolt sleeve.
The foregoing description can fall as required (referring to accompanying drawing 2) is installed after the turnback.
Conversion as the foregoing description:
Described guiding friction pair 5 also can be made of corrosion resistant plate and modified ultra-high molecular polyethylene sliding plate, or is made of corrosion resistant plate and SF-1 three-layer composite board;
Described sphere friction pair 7 also can be made of sphere modified ultra-high molecular polyethylene sliding plate;
Described planar friction pair also can be made of stainless steel slide plate 2 and plane modified ultra-high molecular polyethylene sliding plate.
Another conversion as the foregoing description: described protective cover also can be made with resistant materials such as corrosion resistant plate or paint canvas; Also can guard shield in the air on the bearing, but the protection of bearing so not good.
Claims (8)
1. unidirectional spherical bearing, comprise base-plate (6), spherical crown steel liner plate (8) and bearing top board (1) that order is installed, be provided with sphere friction pair (7) between the protruding sphere of the concave spherical surface of base-plate (6) and spherical crown steel liner plate (8), be provided with the planar friction pair between bearing top board (1) bottom surface and spherical crown steel liner plate (8) top surface plane, it is characterized in that: a guide pad (4) is installed in the middle of described spherical crown steel liner plate (8) end face, has a chute that cooperates slip with guide pad (4) in the middle of bearing top board (1) bottom.
2. a kind of unidirectional spherical bearing according to claim 1, it is characterized in that: the cross section of described guide pad (4) is " T " font of thick waist, the crossbeam edge of guide pad (4) bottom is scored to be preced with in the middle groove of steel liner plate (8) end face and by sunk screw and is fixed on spherical crown steel liner plate (8) end face middle part, guide pad (4) protrudes the chute of spherical crown steel liner plate (8) top surface plane part bottom bearing top board (1) and is slidingly matched, and is provided with guiding friction pair (5) between two medial surfaces of guide pad (4) waist two lateral surfaces and chute.
3. a kind of unidirectional spherical bearing according to claim 2, it is characterized in that: described guiding friction pair (5) or constitute by corrosion resistant plate and poly-tetrafluoro slide plate, or constitute by corrosion resistant plate and modified ultra-high molecular polyethylene sliding plate or corrosion resistant plate and SF-1 three-layer composite board.
4. according to claim 1,2 or 3 described a kind of unidirectional spherical bearings, it is characterized in that: described sphere friction pair (7) is made of poly-tetrafluoro slide plate of sphere or sphere modified ultra-high molecular polyethylene sliding plate.
5. according to claim 1,2 or 3 described a kind of unidirectional spherical bearings, it is characterized in that: described planar friction is secondary or be made of the poly-tetrafluoro slide plate (3) in stainless steel slide plate (2) and plane, or by stainless steel slide plate (2) and modified ultra-high molecular polyethylene sliding plate formation, stainless steel slide plate (2) is fixed on the bottom surface of bearing top board (1), and poly-tetrafluoro slide plate (3) in plane or modified ultra-high molecular polyethylene sliding plate are set in the end face of spherical crown steel liner plate (8).
6. a kind of unidirectional spherical bearing according to claim 4, it is characterized in that: described planar friction is secondary or be made of the poly-tetrafluoro slide plate (3) in stainless steel slide plate (2) and plane, or by stainless steel slide plate (2) and modified ultra-high molecular polyethylene sliding plate formation, stainless steel slide plate (2) is fixed on the bottom surface of bearing top board (1), and poly-tetrafluoro slide plate (3) in plane or modified ultra-high molecular polyethylene sliding plate are set in the end face of spherical crown steel liner plate (8).
7. according to claim 1,2 or 3 described a kind of unidirectional spherical bearings, it is characterized in that: described unidirectional spherical bearing is provided with protective cover (10), the upper end sealing and fixing of protective cover (10) is at the periphery of bearing top board (1), the lower end of protective cover (10) covers spherical crown steel liner plate (8) and base-plate (6), and protective cover is made with corrosion resistant plate or rubber or paint canvas etc.
8. a kind of unidirectional spherical bearing according to claim 6, it is characterized in that: described unidirectional spherical bearing is provided with protective cover (10), the upper end sealing and fixing of protective cover (10) is at the periphery of bearing top board (1), the lower end of protective cover (10) covers spherical crown steel liner plate (8) and base-plate (6), and protective cover is made with corrosion resistant plate or rubber or paint canvas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201124367U CN201635001U (en) | 2010-02-11 | 2010-02-11 | One-way spherical support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201124367U CN201635001U (en) | 2010-02-11 | 2010-02-11 | One-way spherical support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201635001U true CN201635001U (en) | 2010-11-17 |
Family
ID=43079487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201124367U Expired - Fee Related CN201635001U (en) | 2010-02-11 | 2010-02-11 | One-way spherical support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201635001U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296529A (en) * | 2011-06-23 | 2011-12-28 | 中国五冶集团有限公司 | Sliding spherical hinge base and method for using same in bridge lifting process |
| CN103439069A (en) * | 2013-07-08 | 2013-12-11 | 国家电网公司 | Knife edge hinge device used for power transmission and transformation iron tower pole piece stability bearing capacity test |
| CN103498414A (en) * | 2013-10-08 | 2014-01-08 | 衡水中铁建工程橡胶有限责任公司 | Metal damp seismic reduction and absorption support |
| CN103510464A (en) * | 2013-10-28 | 2014-01-15 | 中铁第一勘察设计院集团有限公司 | Bispherical seismic-isolation and reduction support with hemispheres in same direction |
| CN106758792A (en) * | 2016-12-26 | 2017-05-31 | 济南大学 | A kind of bridge pad |
| CN108797327A (en) * | 2018-08-03 | 2018-11-13 | 辽宁省交通规划设计院有限责任公司 | The adaptive spherical bearing of the gradient |
| CN112554047A (en) * | 2020-12-25 | 2021-03-26 | 尚德建设集团有限公司 | Bridge ultra-thin steel support |
-
2010
- 2010-02-11 CN CN2010201124367U patent/CN201635001U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296529A (en) * | 2011-06-23 | 2011-12-28 | 中国五冶集团有限公司 | Sliding spherical hinge base and method for using same in bridge lifting process |
| CN102296529B (en) * | 2011-06-23 | 2013-06-19 | 中国五冶集团有限公司 | Sliding spherical hinge base and method for using same in bridge lifting process |
| CN103439069A (en) * | 2013-07-08 | 2013-12-11 | 国家电网公司 | Knife edge hinge device used for power transmission and transformation iron tower pole piece stability bearing capacity test |
| CN103439069B (en) * | 2013-07-08 | 2016-04-20 | 国家电网公司 | A kind of edge of a knife hinge device for Transmission Towers bar stability bearingtest |
| CN103498414A (en) * | 2013-10-08 | 2014-01-08 | 衡水中铁建工程橡胶有限责任公司 | Metal damp seismic reduction and absorption support |
| CN103498414B (en) * | 2013-10-08 | 2016-06-01 | 衡水中铁建工程橡胶有限责任公司 | A kind of metal damping vibration absorption and isolation support |
| CN103510464A (en) * | 2013-10-28 | 2014-01-15 | 中铁第一勘察设计院集团有限公司 | Bispherical seismic-isolation and reduction support with hemispheres in same direction |
| CN103510464B (en) * | 2013-10-28 | 2015-09-09 | 中铁第一勘察设计院集团有限公司 | With ball to Bispherical seismic isolation support |
| CN106758792A (en) * | 2016-12-26 | 2017-05-31 | 济南大学 | A kind of bridge pad |
| CN106758792B (en) * | 2016-12-26 | 2018-07-06 | 济南大学 | A kind of bridge pad |
| CN108797327A (en) * | 2018-08-03 | 2018-11-13 | 辽宁省交通规划设计院有限责任公司 | The adaptive spherical bearing of the gradient |
| CN112554047A (en) * | 2020-12-25 | 2021-03-26 | 尚德建设集团有限公司 | Bridge ultra-thin steel support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20180211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |