CN2380606Y - Multidirectional moving plate type rubber supporting seat - Google Patents
Multidirectional moving plate type rubber supporting seat Download PDFInfo
- Publication number
- CN2380606Y CN2380606Y CN 99226599 CN99226599U CN2380606Y CN 2380606 Y CN2380606 Y CN 2380606Y CN 99226599 CN99226599 CN 99226599 CN 99226599 U CN99226599 U CN 99226599U CN 2380606 Y CN2380606 Y CN 2380606Y
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- CN
- China
- Prior art keywords
- steel plate
- basin
- upper steel
- guide
- plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Vibration Prevention Devices (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a multidirectional moving basin type rubber supporting seat, which comprises an upper steel plate, a middle steel plate, a rubber block, a polytetrafluoroethylene plate, a sealing ring, a bottom basin, etc., wherein, a pull rod is downwards arranged on the outer end of the upper steel plate fixedly; the pull rod penetrates through a through groove arranged on a middle guide block which is locked together with the pull rod; after a guide rod fixedly arranged on the middle guide block downwards penetrates through the through groove arranged on the outer end of the bottom basin, the guide rod is locked on the bottom basin; the middle guide block is vertical with the through groove arranged on the bottom basin along with the lengthen direction mutually, and thereby, the upper steel plate can horizontally move in a bidirectional mode and can not slide out of the supporting seat on the seat body of the supporting seat. The utility model has the advantage of strong shock resistance performance (particular earthquake resistance performance), and is applied to the bridge construction of highways, railways, etc.
Description
The utility model relates to the bearing that a kind of road and bridge is built usefulness, especially a kind of pot rubber bearing.
At present, in the bridge construction of highway, railway etc., generally used pot rubber bearing, its structure generally comprises upper steel plate, middle steel plate, block rubber, polyfluortetraethylene plate, sealing ring, end basin etc.It utilizes the Incoercibility and the high damping properties of block rubber, has alleviated bridge superstructure and dynamic load and has impacted the top counter-force that is produced, and has improved the resistance to compression and the antidetonation shock-absorbing capacity of whole bridge to a certain extent.For upper steel plate can be moved in the horizontal direction when stressed, generally all on bearing bottom surface and pre-buried installation seat surface, offer corresponding chute and bayonet socket at present, toilet can move installing on the seat surface, is fixed on that the upper steel plate on the basin moves slightly at the bottom of the bearing thereby drive when stressed.But complex structure so not only, whole bearing must move with upper steel plate, and bayonet socket easily broken in the chute port, and application life is shorter, thereby easily makes bearing and bridge impaired; Though the bearing upper steel plate that also has can move relative to the bearing pedestal by polyfluortetraethylene plate, does not have the displacement controlling organization, easily make the upper steel plate bearing that slips away.In addition, the bottom surface of (or be welded on its soffit corrosion resistant plate) and the upper surface of middle steel plate all are planar shaped because upper steel plate, be plane contact between the two, so when it is subjected to multi-direction vibrations, upper steel plate just can not produce corresponding inclination thereupon and move, easily like this make bridge impaired, the anti-multi-direction vibrations of bridge (especially earthquake) poor-performing, application life is shorter relatively.
The purpose of this utility model be to provide a kind of simple in structure, upper steel plate can be on the bearing pedestal horizontal bidirectional move but the bearing that can not slip away, the stronger multidirectional movable pot rubber bearing of anti-seismic performance (especially earthquake resisting performance).
For achieving the above object, multidirectional movable pot rubber bearing of the present utility model comprises upper steel plate, middle steel plate, block rubber, polyfluortetraethylene plate, sealing ring, end basin etc., block rubber is positioned at the bottom at basin intermediate recess place, the end, middle steel plate is in the recess in the middle of the end basin, above the block rubber, sealing ring then is installed in above the block rubber, the outside of middle steel plate bottom, upper steel plate is positioned at above the middle steel plate, the polyfluortetraethylene plate lining is between upper steel plate and middle steel plate, outer end at upper steel plate is fixed with pull bar downwards, the middle guide pad of slotting in the middle of pull bar passes also is locked together, be fixed with guide peg on the middle guide pad, this guide peg is passed down through the groove that is opened in basin outer end, the end and is locked on the end basin, and the groove on middle guide pad and the end basin is vertical mutually along its length.
Above-mentioned multidirectional movable pot rubber bearing also has a sphere steel plate between upper steel plate and middle steel plate, the upper surface of this sphere steel plate is a plane, and its soffit is dome shape, the also corresponding dome shape that is of the upper surface of middle steel plate.Between the soffit of the upper surface of middle steel plate and sphere steel plate, respectively serve as a contrast a polyfluortetraethylene plate between the soffit of the upper surface of sphere steel plate and upper steel plate.
Owing to adopted technique scheme; make bearing plate with upper steel plate; by middle steel plate with the bearing capacity on top with rock shaking force and concentrate and pass to block rubber; block rubber is all bearing capacities absorptions and utilize its high damping properties; reliably the top bearing capacity is eliminated in a large number; guarantee that it has good shock-absorbing capacity; and when counter-force occurring; produce cushion effect; this counter-force is passed to pier reliably; pier and superstructure are well protected, reduced because the counter-force effect causes the bearing failure to pier.After having adopted pull bar displacement control structure; pull bar can horizontally vertically move along the groove on the middle guide pad; guide peg can move along the groove horizontal cross on the end basin; like this; when stressed upper steel plate just can and middle steel plate (or sphere steel plate) between be subjected to displacement by longitudinal and transverse two directions of polyfluortetraethylene plate at horizontal plane; protect it not to be damaged, the big I of displacement is controlled by the length of groove, and upper steel plate just can not slip away bearing.Because pull bar is locked on the end basin by middle guide pad and guide peg, so also can not make upper steel plate be pulled away from bearing.In addition, utilize the multidirectional rotary principle of sphere garden arc, be subjected on top that multidirectional random vibration is particularly caused during earthquake to be rocked or swing, when bridge expands with heat and contract with cold during caused displacement, because pull bar, guide peg can be along the groove activity of offering on middle guide pad and the end basin, upper steel plate just can be done multidirectional inclination with respect to middle steel plate and end basin and rocks along with the sphere steel plate, the sphere of sphere steel plate and the friction factor between polyfluortetraethylene plate very little (≤0.04), thereby it can be carried out freely when rocking, guarantee that it has rotating property flexibly, thereby can bear the tension and compression shearing, avoid bridge to suffer damage, the special high shake area that adapts to.So after employing the utility model structure, bridge just can not be often impaired, will be greatly improved its application life.
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail.
Fig. 1 is a vertical structure sectional view of the present utility model;
Fig. 2 is the vertical view of end basin among Fig. 1;
Fig. 3 is the floor map of the intermediate guide plate among Fig. 1;
Fig. 4 is the connection diagram between pull bar among Fig. 1, middle guide pad and guide peg.
As shown in the figure; multidirectional movable pot rubber bearing of the present utility model comprises upper steel plate 1, middle steel plate 2, block rubber 3, polyfluortetraethylene plate 4, sealing ring 5, end basin 6 etc.; block rubber 3 is positioned at the bottom at end basin 6 intermediate recess places; in the recess of middle steel plate 2 in the middle of end basin 6, above the block rubber 3; 5 of sealing rings are installed in above the block rubber 3, the outside of middle steel plate 2 bottoms, make block rubber 3 be subjected to airtight protection.Upper steel plate 1 is positioned at above the middle steel plate 2, the fixing welding of its soffit one corrosion resistant plate 7.Fix four pull bars 10 on four jiaos of upper steel plate 1 outer end downwards, in the middle of passing respectively, four pull bars 10 respectively have a groove 11 on the guide pads 12 in the middle of two of two grooves 11, and guide pads 12 in the middle of two are locked on four pull bars 10 with nut 13, each fixes a guide peg 14 two ends of each middle guide pad 12, four guide pegs 14 are locked on the end basin 6 with a nut 13 after passing four grooves 11 that are opened on four jiaos of end basin 6 outer ends downwards respectively.Middle guide pad 12 is vertical mutually along its length with groove 11 on the end basin 6.Also have a sphere steel plate 8 at upper steel plate 1 and 2 of middle steel plates, the upper surface of this sphere steel plate 8 is a plane, and its soffit is dome shape, the also corresponding dome shape that is of the upper surface of middle steel plate 2.Between the soffit of the upper surface of middle steel plate 2 and sphere steel plate 8, respectively serve as a contrast a polyfluortetraethylene plate 4 between the soffit of the upper surface of sphere steel plate 8 and corrosion resistant plate 7.The friction factor that corrosion resistant plate 7 and polyfluortetraethylene plate are 4 is very little, can guarantee that upper steel plate 1 is free to slide.For further increasing the sliding capability of upper steel plate 1 and sphere steel plate 8, can on the surface of poly-tetrafluoro tetraene plate 4, scribble one deck silicone grease.Among Fig. 3, the fixing hole of label 9 expression guide pegs 14 on middle guide pad 12.
Claims (3)
1, multidirectional movable pot rubber bearing, comprise upper steel plate, middle steel plate, block rubber, polyfluortetraethylene plate, sealing ring, end basin etc., block rubber is positioned at the bottom at basin intermediate recess place, the end, middle steel plate is in the recess in the middle of the end basin, above the block rubber, sealing ring then is installed in above the block rubber, the outside of middle steel plate bottom, upper steel plate is positioned at above the middle steel plate, the polyfluortetraethylene plate lining is between upper steel plate and middle steel plate, it is characterized in that, outer end at described upper steel plate is fixed with pull bar downwards, the middle guide pad of slotting in the middle of described pull bar passes also is locked together, be fixed with guide peg on the guide pad in the middle of described, this guide peg is passed down through the groove that is opened in basin outer end, the end and is locked on the end basin, described in the middle of groove on guide pad and the end basin vertical mutually along its length.
2, multidirectional movable pot rubber bearing as claimed in claim 1, it is characterized in that, be fixed with four pull bars in the outer end of described upper steel plate downwards on four jiaos, described four pull bars respectively have a groove on the guide pads in the middle of two of two grooves in the middle of passing respectively, described in the middle of guide pad and pull bar lock together; Described in the middle of each guide pad two ends each fix a guide peg, described four guide pegs are locked on the end basin after passing four grooves that are opened on four jiaos of the basin outer ends, the end downwards respectively.
3, multidirectional movable pot rubber bearing as claimed in claim 1 or 2, it is characterized in that also having a sphere steel plate between described upper steel plate and middle steel plate, the upper surface of this sphere steel plate is a plane, its soffit is dome shape, the also corresponding dome shape that is of the upper surface of described middle steel plate; Between the soffit of the upper surface of described middle steel plate and sphere steel plate, respectively serve as a contrast a polyfluortetraethylene plate between the soffit of the upper surface of described sphere steel plate and upper steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99226599 CN2380606Y (en) | 1999-05-10 | 1999-05-10 | Multidirectional moving plate type rubber supporting seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99226599 CN2380606Y (en) | 1999-05-10 | 1999-05-10 | Multidirectional moving plate type rubber supporting seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2380606Y true CN2380606Y (en) | 2000-05-31 |
Family
ID=34016268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99226599 Expired - Fee Related CN2380606Y (en) | 1999-05-10 | 1999-05-10 | Multidirectional moving plate type rubber supporting seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2380606Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498120B (en) * | 2009-01-06 | 2011-09-14 | 同济大学 | Shock insulation support saddle with transversal elastic-plastic anti-fall girder apparatus |
-
1999
- 1999-05-10 CN CN 99226599 patent/CN2380606Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498120B (en) * | 2009-01-06 | 2011-09-14 | 同济大学 | Shock insulation support saddle with transversal elastic-plastic anti-fall girder apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |