CN205775818U - A kind of anti-pulling spherical bearing - Google Patents
A kind of anti-pulling spherical bearing Download PDFInfo
- Publication number
- CN205775818U CN205775818U CN201620496667.XU CN201620496667U CN205775818U CN 205775818 U CN205775818 U CN 205775818U CN 201620496667 U CN201620496667 U CN 201620496667U CN 205775818 U CN205775818 U CN 205775818U
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- Prior art keywords
- bearing
- piston
- pulling
- spherical
- spherical crown
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Abstract
The utility model discloses a kind of anti-pulling spherical bearing, this spherical bearing offers the space for accommodating anti-pulling mechanism in the other end of the upper piston of existing spherical bearing, wherein anti-pulling mechanism includes that spheroid is embedded in the other end of upper spherical crown of upper piston, and the convex surface of upper spherical crown is relative with the convex surface of lower spherical crown；The other end of upper spherical crown is additionally provided with arm-tie, and thus pull bar connects arm-tie and lower piston by the way of axial through bore, is achieved in bearing and rotating of anti-pulling mechanism.The anti-pulling spherical bearing realized according to this utility model, it is possible to meeting vertical tension and pressure, compact conformation, reasonable in design, the suitability is strong, can meet the tension pull out force of various requirement simultaneously.
Description
Technical field
This utility model belongs to bridge pad field, more particularly, to a kind of anti-pulling spherical bearing.
Background technology
Drawing-resisting device is widely used in bridge and building structure, is arranged at the bottom of beam and between pier top and the building end
Portion, has the function of vertical spacing, it is possible to be effective against the factors such as structure unbalance loading or vertical seismic action while supporting superstructure
The toppling and collapse of the superstructure caused, owing to drawing-resisting device has the performance of significant anti-vertical tension, thereby, it is possible to
Ensureing that the structure carried up and down during vertical seismic action is unlikely to disconnect, the anti-seismic performance building bridge etc. has particularly significant
Impact.
And in current technology, generally combine composition combined isolator application by drawing-resisting device and bearing, formed
The structural shapes such as anti-pulling pot rubber bearing, anti-pulling ball shaped steel bearing.Wherein, existing anti-pulling ball shaped steel bearing, main
To be made up of lower spherical crown, tension axle, piston and lower seat board, design and lower spherical crown rotation spherical in the same direction on piston, for ensureing to prop up
The rotation of seat, on piston, the spherical rotation center of sphere must be with piston rotation center superposition, and the global design of bearing is rotated
The restriction at center, bearing monnolithic case size is big, and bearing rotates dumb, have impact on the serviceability of bridge, shortens bridge
The life-span of beam.
Utility model content
The purpose of this utility model is to design for the rotation of pull-up portion, existing anti-pulling spherical bearing top to be subject to
The technical problem that substructure limits, it is provided that a kind of Novel tensile pulls out spherical bearing.
For achieving the above object, technical solution of the present utility model is: design an independent upper spherical crown, meets and props up
Seat bear function, with lower spherical crown reversed arrangement, the rotation of upper spherical crown is not limited by substructure.
Thus the utility model proposes a kind of anti-pulling spherical bearing, it is characterised in that this bearing includes spherical bearing
Mechanism and anti-pulling mechanism；
Described spherical bearing mechanism includes upper piston and the lower piston cooperated, wherein said upper piston and described lower work
It is additionally provided with spheroid between plug and is embedded in the lower spherical crown of described upper piston one end, be achieved in the pressure-bearing of described anti-pulling mechanism and turn
Dynamic；
The other end of described upper piston offers the space for accommodating described anti-pulling mechanism, wherein said anti-pulling
Mechanism includes that spheroid is embedded in the convex surface of the other end of upper spherical crown of described upper piston, the convex surface of described upper spherical crown and described lower spherical crown
Relatively；The other end of described upper spherical crown is additionally provided with arm-tie, thus pull bar connect by the way of axial through bore described arm-tie with
Described lower piston, is achieved in bearing and rotating of described anti-pulling mechanism；Spatially being entered by embedded board of described upper piston
Row is closed；The retaining element for installing it is additionally provided with on described anti-pulling spherical bearing.
Further, lower peripheral surface wearing plate, described lower piston and institute it are provided with between described lower spherical crown and described upper piston
State and between lower spherical crown, be provided with lower plane wearing plate, between described upper spherical crown and described upper piston, be provided with sphere wearing plate,
It is provided with planar lasting board between described arm-tie and described upper spherical crown.
Further, described pull bar axially wears when arranging and stays gap between described spherical crown, it is ensured that turning of described spherical crown
Dynamic.
Further, described spherical bearing mechanism also includes lower support plate, and lower piston is fixed in described lower support plate, under
Bearing pressing plate limits described lower piston in the axial direction.
Further, wherein said retaining element includes retaining element and lower retaining element, and fixed element sets
Being placed on described embedded board, described lower retaining element is arranged in described lower support plate.
Further, described upper and lower retaining element is the anchor rod fixing by crab-bolt.
In general, by the contemplated above technical scheme of this utility model compared with prior art, it is possible under acquirement
Row beneficial effect:
(1) when upper piston rotates, relatively rotate between upper spherical crown and upper piston, go up generation phase between spherical crown with arm-tie simultaneously
To slip, the centre of sphere of upper spherical crown is not limited by piston rotation center, i.e. the rotation of pull-up portion is no longer influenced by pressure-bearing part
Limit, improve the designability of bearing；
(2) bearing can meet vertical tension and pressure, compact conformation simultaneously, and reasonable in design, the suitability is strong, can meet various
The tension pull out force required, and with low cost, and the structure of this bearing is very simple, and part is prone to processing and manufacturing；
(3) due to the design of double spherical crowns, bearing has the secondary and double sliding friction pair of double pivoting friction simultaneously, and bearing rotates spirit
Live, there is not stuck phenomenon, the life-span of bearing and bridge can be effectively improved.
Accompanying drawing explanation
Fig. 1 is the front view of the anti-pulling spherical bearing structure realized according to this utility model；
Fig. 2 is the top view of the anti-pulling spherical bearing structure realized according to this utility model；
Fig. 3 be according to this utility model realize seat structure detailed structure enlarged diagram；
In all of the figs, identical reference is used for representing identical element or structure, wherein:
1-upper anchor rod, 2-embedded board, the upper crab-bolt of 3-, crab-bolt under 4-, 5-casts anchor rod, 6-pull bar, the upper spherical crown of 7-, 8-arm-tie,
9-upper sphere wearing plate, the upper planar lasting board of 10-, 11-upper piston, 12-lower peripheral surface wearing plate, spherical crown under 13-, 14-lower plane
Wearing plate, 15-lower support plate, 16-lower piston, 17-lower support plate pressing plate.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain this
Utility model, is not used to limit this utility model.Additionally, it is involved in each embodiment of this utility model disclosed below
As long as and to technical characteristic each other do not constitute conflict just can be mutually combined.
As it is shown in figure 1, the anti-pulling spherical bearing related in this utility model includes anti-pulling mechanism and spherical bearing,
Wherein spherical bearing mainly includes lower support plate 15, and by undersetting pressing plate 17 and is casted anchor by the lower piston in spherical bearing
Bolt 4 is fixed in lower support plate 15, and wherein undersetting pressing plate 17 is positioned at the end points both sides of lower support plate 15, lower support plate 15 bottom
It is provided with some rods 5 that casts anchor, for realizing the installation of this bearing and other building.
Wherein spherical bearing also includes the upper piston 11 coordinated with lower piston 16, wherein between upper piston 11 and lower piston 16
It is additionally provided with lower spherical crown 13, between lower spherical crown 13 and upper piston 11, is provided with lower peripheral surface wearing plate 12, lower piston 16 and lower spherical crown
Be provided with lower plane wearing plate 14 between 13, whole substructure (upper piston, lower piston, lower spherical crown, lower plane wearing plate, under
Sphere wearing plate) realize bearing pressure-bearing and rotating function.In concrete implementation process, joining between upper and lower spherical crown and piston
Closing does not makes the whole sphere of spherical crown all coordinate with piston.
Wherein anti-pulling mechanism includes such as lower part:
The depression of cylinder, spherical crown 7 on recess is combined with, upper spherical crown 7 and upper piston 11 it is provided with on upper piston 11
Between be provided with sphere wearing plate 9, wherein go up and on spherical crown 7, be also placed with arm-tie 8, be provided with between arm-tie 8 and upper spherical crown 7
Planar lasting board 10.
Wherein being closed by embedded board 2 on upper piston 11, pull bar 6 connects arm-tie 8 and lower piston 16, by axially wearing
The mode in hole is configured.Wherein carry out the fixing of upper anchor rod 1 by upper crab-bolt 3 on embedded board 2, thus by upper anchor rod 1
Realize anti-pulling bearing fixing with what other was built.
Wherein go up spherical crown 7 and form double rotation, double sliding friction pair respectively with wearing plate with lower spherical crown 13, by bearing pressure-bearing portion
Dividing the design with pull-up portion to separate, the design of lower spherical crown 13, upper piston 11 and lower piston 16 solves common bearing pressure-bearing and turns
Dynamic function, as shown in Figure 3, it can be seen that the details between upper piston 11 with lower piston 16 is connected I part；Upper spherical crown 7, arm-tie 8
And the design of upper piston 11 solves bearing and bears and rotational kinetic energy；By pull bar 6, arm-tie 8 is linked together with lower piston 16,
Middle through upper and lower spherical crown 7,13 and wearing plate, stay certain gap between pull bar 6 and spherical crown, it is ensured that the rotation of spherical crown, thus
Whole superstructure (arm-tie, pull bar, upper and lower spherical crown, upper and lower piston) realizes bearing pressure-bearing, bears and rotating function.
The level of bearing is real to the design being displaced through between lower support plate 15, lower support plate pressing plate 17 and lower piston 16
Existing.
Anti-pulling bearing of the present utility model arranges and is installed on concretely comprising the following steps on bridge:
After installation, lower support plate 15 is placed on bridge pier, and the rod 5 that casts anchor is fixed into whole with bridge pier by concreting
Body.Meanwhile, upper anchor rod 1, embedded board 2 are fixed into entirety with bridge floor by concreting, are achieved in it on bridge
Install.As in figure 2 it is shown, be the integrally-built top view of anti-pulling spherical bearing realized according to this utility model.
Certainly, in above embodiment, only list the structure of the anti-pulling spherical bearing of two-way type, but specifically
Way of realization on, can be that the rod that casts anchor 5 is set directly on lower piston 16, so make total become fixing pattern
Anti-pulling spherical bearing structure；It addition, formal design, so that lower support plate pressing plate 17 and lower piston 16 are at figure
Show that X-direction does not stay gap, so make total become the anti-pulling spherical bearing structure of unidirectional type, specifically at this not
Repeat again.
As it will be easily appreciated by one skilled in the art that and the foregoing is only preferred embodiment of the present utility model, not
In order to limit this utility model, all any amendment, equivalents made within spirit of the present utility model and principle and changing
Enter, within should be included in protection domain of the present utility model.
Claims (6)
1. an anti-pulling spherical bearing, it is characterised in that this bearing includes spherical bearing mechanism and anti-pulling mechanism；
Described spherical bearing mechanism includes the upper piston (11) that cooperates and lower piston (16), wherein said upper piston (11) with
It is additionally provided with spheroid between described lower piston (16) and is embedded in the lower spherical crown (13) of described upper piston (11) one end, be achieved in described
The pressure-bearing of anti-pulling mechanism and rotation；
The other end of described upper piston (11) offers the space for accommodating described anti-pulling mechanism, wherein said anti-pulling
Mechanism includes that spheroid is embedded in the other end of upper spherical crown of described upper piston (11) (7), the convex surface of described upper spherical crown (7) with described under
The convex surface of spherical crown (13) is relative；The other end of described upper spherical crown (7) is additionally provided with arm-tie (8), and thus pull bar (6) is by axially wearing
The mode in hole connects described arm-tie (8) and described lower piston (16), is achieved in bearing and rotating of described anti-pulling mechanism；Institute
State spatially being closed of upper piston (11) by embedded board (2)；It is additionally provided with for pacifying on described anti-pulling spherical bearing
The retaining element of dress.
2. anti-pulling spherical bearing as claimed in claim 1, it is characterised in that described lower spherical crown (13) and described upper piston
(11) it is provided with lower peripheral surface wearing plate (12) between, between described lower piston (16) and described lower spherical crown (13), is provided with lower plane
Wearing plate (14), is provided with sphere wearing plate (9), described arm-tie (8) between described upper spherical crown (7) and described upper piston (11)
And it is provided with planar lasting board (10) between described upper spherical crown (7).
3. anti-pulling spherical bearing as claimed in claim 1 or 2, it is characterised in that described pull bar (6) axially wears when arranging
And stay gap between described spherical crown, it is ensured that the rotation of described spherical crown.
4. anti-pulling spherical bearing as claimed in claim 3, it is characterised in that described spherical bearing mechanism also includes undersetting
Plate (15), lower piston (16) is fixed in described lower support plate (15), and undersetting pressing plate (17) limits described in the axial direction
Lower piston (16).
5. anti-pulling spherical bearing as claimed in claim 4, it is characterised in that wherein said retaining element includes fixing unit
Part and lower retaining element, fixed element is arranged on described embedded board (2), described lower retaining element be arranged at described under
On support plate (15).
6. anti-pulling spherical bearing as claimed in claim 5, it is characterised in that described upper and lower retaining element is and passes through anchor
The anchor rod that bolt is fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620496667.XU CN205775818U (en) | 2016-05-26 | 2016-05-26 | A kind of anti-pulling spherical bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620496667.XU CN205775818U (en) | 2016-05-26 | 2016-05-26 | A kind of anti-pulling spherical bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205775818U true CN205775818U (en) | 2016-12-07 |
Family
ID=57407300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620496667.XU Withdrawn - After Issue CN205775818U (en) | 2016-05-26 | 2016-05-26 | A kind of anti-pulling spherical bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205775818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908622A (en) * | 2016-05-26 | 2016-08-31 | 中铁大桥勘测设计院集团有限公司 | Anti-drawing spherical support |
-
2016
- 2016-05-26 CN CN201620496667.XU patent/CN205775818U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908622A (en) * | 2016-05-26 | 2016-08-31 | 中铁大桥勘测设计院集团有限公司 | Anti-drawing spherical support |
| CN105908622B (en) * | 2016-05-26 | 2018-03-09 | 中铁大桥勘测设计院集团有限公司 | A kind of anti-pulling spherical bearing |
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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 | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20180309 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20180309 |