CN109112957A - A kind of anti-pulling ball-type bridge pad of Bidirectional slide - Google Patents
A kind of anti-pulling ball-type bridge pad of Bidirectional slide Download PDFInfo
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- CN109112957A CN109112957A CN201811302439.4A CN201811302439A CN109112957A CN 109112957 A CN109112957 A CN 109112957A CN 201811302439 A CN201811302439 A CN 201811302439A CN 109112957 A CN109112957 A CN 109112957A
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- plate
- middle bracket
- drawing element
- support
- type bridge
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/046—Spherical bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of anti-pulling ball-type bridge pads of Bidirectional slide, it includes the support top plate of cooperation of being successively slidably connected from top to bottom, spherical crown liner plate, middle bracket and lower support plate, anti-drawing element is increased between support top plate and middle bracket, the anti-drawing element upper end is slidably connected with support top plate plant tilting, and retain certain interval between anti-drawing element and support top plate rectangular block I, anti-drawing element lower end and middle pedestal upper end are rotatablely connected, and middle pedestal lower end is connect with lower support plate planar slide, and middle bracket and lower support plate rectangular block II retain certain interval, the design can realize support direction across bridge, along bridge to sliding, and realize support around master, the rotation of secondary both direction, support has good anti-pulling ability simultaneously, it is suitable for the use of different types of rridges under special circumstances, long service life, safety is higher, Economic and practical is strong, and generalization is high.
Description
Technical field
The present invention relates to a kind of anti-pulling ball-type bridge pads of Bidirectional slide, belong to bridge construction and are led with bridge pad
Domain.
Background technique
Resistance to plucking spherical bearing increases drawing-resisting device in conventional spherical bearing structure type to bear vertical pulling capacity, is
It is a kind of suitable for highlight lines area and hurricane compared with the ball type support of multizone, can be widely applied to bridge or building structure
In.Anti-pulling support is arranged between beam bottom and pier top or construction bottom, has vertical spacing function while supporting superstructure
Can, it can be reasonably resistant to toppling and collapsing for superstructure caused by the factors such as earthquake or structure unbalance loading, thereby it is ensured that
Bridge upper and lower part structure is unlikely to disconnect under vertical seismic action or structure uneven loading action, has to the anti-seismic performance of bridge
Highly important effect.
Currently used spherical bearing anti-pull-out property is lower, so that the effect that support resists the upward pulling force of beam body is lower,
Beam body caused by the external factor such as earthquake, unbalance loading cannot be effectively prevented to fall off, and construction is complicated, assembling difficulty is higher, production
It is at high cost.Meanwhile common anti-pulling spherical bearing is generally single-directional sliding support, is unable to satisfy bridge under special circumstances
It uses.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of this anti-pulling ball-type bridge pad of Bidirectional slide, can with gram
Take the deficiencies in the prior art.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions: a kind of tension of Bidirectional slide
Ball-type bridge pad is pulled out, it includes successively be slidably connected from top to bottom support top plate, spherical crown liner plate, middle bracket and the lower branch of cooperation
Seat board, the support top plate are symmetrical arranged positive L shape cantilever downwards along the two sides of direction across bridge, along bridge to two sides symmetrically set
Downward rectangular block I is set, anti-drawing element, the groove of the anti-drawing element upper end and positive L shape cantilever are equipped between two positive L shape cantilevers
Facial plane is slidably connected, and retains certain interval between anti-drawing element and rectangular block I；The lower support plate along bridge to two
Side is symmetrical arranged upward inverted L-shaped cantilever, and upward rectangular block II, the middle branch are symmetrical arranged along the two sides of direction across bridge
Frame is arranged between two inverted L-shaped cantilevers, and the upper end and anti-drawing element lower end are rotatablely connected, and the groove surface of lower end and inverted L-shaped cantilever is flat
Face is slidably connected, and middle bracket and rectangular block II retain certain interval.
Aforementioned support top plate, positive L shape cantilever and rectangular block I form the upper bracket of integral structure；The lower support plate,
Inverted L-shaped cantilever and rectangular block II form the undersetting of integral structure, and the upper bracket and undersetting are corresponding
Rectangular configuration.
Aforementioned anti-drawing element is the rectangular configuration with axis hole, and the upper end lateral surface is equipped with and the positive L shape cantilever phase of support top plate
Outward flange, the lower end axis hole medial surface of adaptation are equipped with inward flange；The middle pedestal upper end is equipped with circle compatible with inward flange
Flange collar, lower end are lower flange compatible with lower support plate inverted L-shaped cantilever, and the outward flange interlocking of the anti-drawing element is outstanding in positive L shape
In the groove of arm and along the opposite sliding of groove, inward flange is overlapped with middle bracket circular bead and axially opposed rotation, and middle branch
The lower flange of frame is rabbeted in the groove of inverted L-shaped cantilever and along the opposite sliding of groove.
The circular bead of the inward flange of aforementioned anti-drawing element and middle bracket is the trapezium structure matched.
It is secondary that the scarf of the outward flange of aforementioned anti-drawing element and positive L shape cantilever is equipped with the 4th friction；The inward flange of anti-drawing element with
It is secondary that the circular bead lap-joint of middle bracket is equipped with the 5th friction；The scarf of the lower flange of middle bracket and inverted L-shaped cantilever is equipped with the
Six frictions are secondary.
Aforementioned 4th friction is secondary and the 6th friction it is secondary by SF-1B gib block and mirror face stainless steel board group at；5th friction is secondary
The ring stainless steel plate made of modified ultra-high molecular weight polyethylene material and annular wearing plate form.
Planar slide is arranged between aforementioned support top plate lower surface and spherical crown liner plate upper surface to connect；Spherical crown liner plate lower surface
Spherical surface is arranged between middle rack upper surface to be slidably connected；It is sliding that plane is set between middle bracket lower surface and lower support plate upper surface
Dynamic connection.
It is secondary that aforementioned support top plate and the spherical crown liner plate place of being slidably connected are equipped with the first friction；Spherical crown liner plate and middle bracket spherical surface are sliding
It is secondary that dynamic junction is equipped with the second friction；It is secondary that middle bracket and the lower support plate place of being slidably connected are equipped with third friction.
Aforementioned first friction is secondary and third friction is secondary including the mirror face stainless steel plate and planar lasting board together with closely connected,
It is equipped with grease storage groove on the closely connected surface of planar lasting board, is coated with 5201 silicone grease films in grease storage groove；It is described second friction pair include
The closely connected stainless steel plate of spherical surface together and spherical surface wearing plate are equipped with grease storage groove, grease storage groove on the closely connected surface of spherical surface wearing plate
Inside it is coated with 5201 silicone grease films.
The thickness of aforementioned mirror face stainless steel plate and spherical surface stainless steel plate is not less than 3mm；Planar lasting board and spherical surface wearing plate
Thickness be not less than 7mm, and the two be all made of modified ultra-high molecular weight polyethylene material and surface setting gap be no more than
The grease storage groove of 3mm.
Compared with the prior art, the present invention discloses a kind of anti-pulling ball-type bridge pad of Bidirectional slide, it includes from upper
Successively be slidably connected support top plate, spherical crown liner plate, middle bracket and the lower support plate of cooperation under, support top plate and middle bracket it
Between increase anti-drawing element, the anti-drawing element upper end is slidably connected with support top plate plant tilting, and anti-drawing element and support top plate rectangle
Retain certain interval, anti-drawing element lower end and middle pedestal upper end between block I to be rotatablely connected, and middle pedestal lower end and lower support plate are flat
Face is slidably connected, and middle bracket and lower support plate rectangular block II retain certain interval, pass through anti-drawing element and support top plate
Planar slide connection, it can be achieved that support direction across bridge sliding；The rotation connection of anti-drawing element and middle bracket, it can be achieved that support around master,
The rotation of secondary both direction；The planar slide connection of middle bracket and lower support plate, it can be achieved that support along bridge to sliding, resist simultaneously
Part is pulled out flange is arranged along direction across bridge and is embedded in the positive L-type cantilever of support top plate；Anti-drawing element and middle bracket setting flange collar overlap
And axially opposed rotation；Middle frame bottom to setting flange and is embedded in the inverted L shape cantilever of bottom offset case, flange along bridge
Cooperation may further ensure that support has good anti-pulling ability, effectively extend the service life of support, it is suitable for each
The use of kind bridge under special circumstances, can prevent the external factor such as earthquake, unbalance loading from beam body being caused to slide.
Simple structure of the present invention, it is easy to assembly and low in cost, before bridge pad can be made to have larger breakout capacity
It puts, the multidirectional cooperative sliding of support and rotation is realized, caused by the factors such as earthquake or structure unbalance loading can be effective against
Superstructure topples and collapses, and guarantees that bridge upper and lower part structure is not susceptible to take off under vertical seismic action or structure uneven loading action
Section, support long service life, safety is higher, and economic and practical is strong, can effectively reduce bridge later maintenance and repair
Whole work, reduces the manpower and economic input of bridge construction, and generalization is high.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is A-A the schematic diagram of the section structure in Fig. 1.
Fig. 3 is the axonometric schematic diagram of anti-drawing element in Fig. 1.
Fig. 4 is the axonometric schematic diagram of middle bracket in Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description:
As shown in Figure 1 to 4, the anti-pulling ball-type bridge pad of a kind of Bidirectional slide, it includes that successively sliding connects from top to bottom
Support top plate 1, spherical crown liner plate 2, middle bracket 3 and the lower support plate 4 of cooperation are connect, the support top plate 1 and lower support plate 4 pass through anchor
The modes such as bolt or welding are fixed with beam body and bridge pier respectively；1 lower surface of support top plate and 2 top surface plane of spherical crown liner plate are sliding
Dynamic connection is equipped with the first friction pair 6 in the connecting portion of the two, is not less than specifically, pasting thickness in 1 lower surface of support top plate
The mirror face stainless steel plate of 3mm, 2 top surface of spherical crown liner plate embed the planar lasting board that thickness is not less than 7mm, and the planar lasting board is adopted
It is no more than the grease storage groove of 3mm, planar lasting board and mirror surface with modified ultra-high molecular weight polyethylene material and in surface setting gap
Stainless steel plate is closely connected and 5201 silicone grease of film on the contact surface, reduces mill on the basis of support roof water smoothly moves to realize
Consumption；2 lower surface of spherical crown liner plate is spherical structure, and middle 3 upper surface middle part of bracket is equipped with matched spherical female
Slot, so that 2 lower end of the spherical crown liner plate is embedded in the spherical groove at middle 3 top of bracket, the two is slidably connected for spherical surface, and
It is equipped with the second friction pair 7 in the connecting portion of the two, specifically, pasting the spherical surface that thickness is not less than 3mm in 2 bottom surface of spherical crown liner plate
Stainless steel plate, the ball-type groove of middle bracket 3 are embedded with spherical surface wearing plate 7, and spherical surface wearing plate 7 uses the poly- second of modified ultra-high molecular mass
Alkene material is simultaneously no more than the grease storage groove of 3mm in surface setting gap, applies on spherical surface wearing plate 7 and mirror face stainless steel plate contact surface
5201 silicone grease are smeared, to realize support around the rotation of the centre of sphere and reduce abrasion；On 3 lower surface of middle bracket and lower support plate 4
Surface is planar slide connection, is equipped with third friction pair 16 in the connecting portion of the two, the third friction pair 16 is rubbed with first
It is identical to wipe pair 6, realizes and reduces abrasion on the basis of middle 3 horizontal sliding of bracket.
The support top plate 1 is symmetrical arranged positive L shape cantilever 8 downwards along the two sides of direction across bridge, along bridge to two sides
It is symmetrical arranged downward rectangular block I 9, it is preferred that the support top plate 1, positive L shape cantilever 8 and I 9 groups of rectangular block are integral
The upper bracket of formula structure；The lower support plate 4 along bridge to two sides be symmetrical arranged upward inverted L-shaped cantilever 13, along cross-bridges
To two sides be symmetrical arranged upward rectangular block II 15, it is preferred that the lower support plate 4, inverted L-shaped cantilever 13 and rectangle gear
Block II 15 forms the undersetting of integral structure, and the upper bracket and undersetting are corresponding rectangular configuration.In upper branch
Anti-drawing element 5 is equipped between two positive L shape cantilevers 8 of seat, the anti-drawing element 5 is rabbeted along the two sides upper end of direction across bridge in positive L shape cantilever 8
In groove, and anti-drawing element 5 retains certain interval between the two sides and rectangular block I 9 along bridge, keeps anti-drawing element 5 outstanding along positive L shape
The groove of arm 8 realizes opposite sliding；The middle bracket 3 is arranged between two inverted L-shaped cantilever 8 of undersetting, the upper end and anti-drawing element 5
Lower end overlap joint connection, while may be implemented to relatively rotate, middle bracket 3 along bridge to two sides lower end rabbet in inverted L-shaped cantilever 8
In groove, and the two sides along direction across bridge and rectangular block II 15 retain certain interval, make middle bracket 3 along inverted L-shaped cantilever 8
Groove realizes opposite sliding.
The anti-drawing element 5 is the rectangular configuration with axis hole, and the upper end lateral surface is equipped with and the positive L shape cantilever 8 of support top plate
Compatible outward flange 10, lower end axis hole medial surface are equipped with inward flange 11；3 upper end of middle bracket is equipped with suitable with 11 phase of inward flange
The circular bead 12 matched, lower end are lower flange 14 compatible with lower support plate inverted L-shaped cantilever 11, the evagination of the anti-drawing element 5
Edge 10 is embedded in the groove of positive L shape cantilever 8, and insert depth is determined by calculation according to the actual use situation of support, so as to
So that support is resisted upward pull out force, while retaining certain interval between anti-drawing element 5 and rectangular block I 9, gap size can be by branch
The requirement of seat determines, is arranged at positive L shape cantilever 8 and 10 contact surface of anti-drawing element outward flange by SF-1B gib block and mirror surface
4th friction pair 17 of stainless steel plate composition, to cooperate support direction across bridge to slide, and reduces the abrasion of support；Anti-drawing element inward flange
11 cooperate with middle bracket circular bead 12 overlap joint, and rotation vertically may be implemented, and are resisting the upward pull out force of support
While realize support around major and minor direction rotation, in order to reduce the abrasion of support, the two overlap joint cooperation contact surface at set
Set the 5th friction pair 18, the described 5th rub the secondary 18 ring stainless steel plates made of modified ultra-high molecular weight polyethylene material and
Annular wearing plate composition, it is preferable that the inward flange 11 of the anti-drawing element and the circular bead 12 of middle bracket be match it is trapezoidal
Structure, so that the faying surface of the two is inclined-plane, not only easier for installation, making it in the axial direction has certain guiding function
Can, guarantee the concentricity problem in axial direction, and increase the contact area of the two, intensity is good, and rotational stability is high；And middle branch
Frame lower flange 14 is embedded in the groove of inverted L-shaped cantilever 13, thus make support that can resist upward pull out force, meanwhile, middle bracket 3 and square
Shape block II 15 retains certain interval, and gap size can be determined by the requirement of support, in middle bracket lower flange 14 and inverted L
Be arranged at 13 contact surface of shape cantilever by SF-1B gib block and mirror face stainless steel board group at the 6th friction pair 19, to cooperate support
Along bridge to sliding, and reduce the abrasion of support.
Claims (10)
1. a kind of anti-pulling ball-type bridge pad of Bidirectional slide, it includes the support top of cooperation of being successively slidably connected from top to bottom
Plate (1), spherical crown liner plate (2), middle bracket (3) and lower support plate (4), it is characterised in that: the support top plate (1) is along direction across bridge
Two sides are symmetrical arranged positive L shape cantilever (8) downwards, along bridge to two sides be symmetrical arranged downward rectangular block I (9),
Anti-drawing element (5) are equipped between two positive L shape cantilevers (8), the groove facial plane of anti-drawing element (5) upper end and positive L shape cantilever (8) is sliding
Dynamic connection, and retain certain interval between anti-drawing element (5) and rectangular block I (9)；The lower support plate (4) along bridge to
Two sides are symmetrical arranged upward inverted L-shaped cantilever (13), and upward rectangular block II is symmetrical arranged along the two sides of direction across bridge
(15), the middle bracket (3) is arranged between two inverted L-shaped cantilevers (8), and the upper end and anti-drawing element (5) lower end are rotatablely connected, lower end
It is connect with the groove surface planar slide of inverted L-shaped cantilever (8), and middle bracket (3) and rectangular block II (15) retain certain interval.
2. the anti-pulling ball-type bridge pad of Bidirectional slide according to claim 1, it is characterised in that: the support top plate
(1), the upper bracket of positive L shape cantilever (8) and rectangular block I (9) composition integral structure；The lower support plate (4), inverted L-shaped are outstanding
The undersetting of arm (13) and rectangular block II (15) composition integral structure, and the upper bracket and undersetting are corresponding
Rectangular configuration.
3. the anti-pulling ball-type bridge pad of Bidirectional slide according to claim 1, it is characterised in that: the anti-drawing element
It (5) is the rectangular configuration with axis hole, the upper end lateral surface is equipped with the positive L shape cantilever (8) of support top plate compatible outward flange
(10), axis hole medial surface in lower end is equipped with inward flange (11)；Middle bracket (3) upper end is equipped with inward flange (11) compatible circle
Shape flange collar (12), lower end are compatible lower flange (10), the outward flange of the anti-drawing element with lower support plate inverted L-shaped cantilever (13)
(10) rabbet in the groove of positive L shape cantilever (8) and along the opposite sliding of groove, inward flange (11) and middle bracket circular bead (12)
Overlap joint and axially opposed rotation, and the interlocking of the lower flange (10) of middle bracket is in the groove of inverted L-shaped cantilever (13) and along groove
Opposite sliding.
4. the anti-pulling ball-type bridge pad of Bidirectional slide according to claim 3, it is characterised in that: the anti-drawing element
The circular bead (12) of inward flange (11) and middle bracket is the trapezium structure matched.
5. the anti-pulling ball-type bridge pad of Bidirectional slide according to claim 3, it is characterised in that: the anti-drawing element
Outward flange (10) and the scarf of positive L shape cantilever (8) are equipped with the 4th and rub secondary (17)；The inward flange (11) and middle bracket of anti-drawing element
Circular bead (12) lap-joint be equipped with the 5th and rub secondary (18)；The scarf of lower flange (10) and inverted L-shaped cantilever of middle bracket
Secondary (19) are rubbed equipped with the 6th.
6. the anti-pulling ball-type bridge pad of Bidirectional slide according to claim 4, it is characterised in that: the 4th friction
Secondary (17) and the 6th friction pair (19) by SF-1B gib block and mirror face stainless steel board group at；5th rubs secondary (18) by modified super
Ring stainless steel plate made of High molecular weight polyethylene material and annular wearing plate composition.
7. the anti-pulling ball-type bridge pad of Bidirectional slide according to claim 1, it is characterised in that: the support top plate
(1) planar slide is arranged between lower surface and spherical crown liner plate (2) upper surface to connect；Spherical crown liner plate (2) lower surface and middle bracket (3)
Spherical surface is arranged between upper surface to be slidably connected；Planar slide is set between middle bracket (3) lower surface and lower support plate (4) upper surface
Connection.
8. the anti-pulling ball-type bridge pad of Bidirectional slide according to claim 7, it is characterised in that: the support top plate
(1) it is equipped with first with spherical crown liner plate (2) place of being slidably connected and rubs secondary (6)；Spherical crown liner plate (2) and the sliding of middle bracket (3) spherical surface connect
It meets place and is equipped with the second friction pair (7)；Middle bracket (3) and lower support plate (4) place of being slidably connected are equipped with third and rub secondary (16).
9. the anti-pulling ball-type bridge pad of Bidirectional slide according to claim 8, it is characterised in that: first friction
Secondary (6) and third rub secondary (16) including closely connected mirror face stainless steel plate and planar lasting board together, in planar lasting board
Closely connected surface be equipped with grease storage groove, be coated with 5201 silicone grease films in grease storage groove；Described second rub secondary (7) include it is closely connected together
Spherical surface stainless steel plate and spherical surface wearing plate are equipped with grease storage groove on the closely connected surface of spherical surface wearing plate, are coated with 5201 in grease storage groove
Silicone grease film.
10. the anti-pulling ball-type bridge pad of Bidirectional slide according to claim 9, it is characterised in that: the mirror surface is not
The thickness of rust steel plate and spherical surface stainless steel plate is not less than 3mm；The thickness of planar lasting board and spherical surface wearing plate is not less than 7mm, and
And the two is all made of modified ultra-high molecular weight polyethylene material and is no more than the grease storage groove of 3mm in surface setting gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811302439.4A CN109112957A (en) | 2018-11-02 | 2018-11-02 | A kind of anti-pulling ball-type bridge pad of Bidirectional slide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811302439.4A CN109112957A (en) | 2018-11-02 | 2018-11-02 | A kind of anti-pulling ball-type bridge pad of Bidirectional slide |
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| Publication Number | Publication Date |
|---|---|
| CN109112957A true CN109112957A (en) | 2019-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811302439.4A Pending CN109112957A (en) | 2018-11-02 | 2018-11-02 | A kind of anti-pulling ball-type bridge pad of Bidirectional slide |
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| Country | Link |
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| CN (1) | CN109112957A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109667344A (en) * | 2019-03-06 | 2019-04-23 | 中国建筑设计研究院有限公司 | A kind of sliding rail support and the long span building system containing it |
| 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 |
| CN110093986A (en) * | 2019-05-31 | 2019-08-06 | 天津大学 | A kind of air spring-friction multidimensional shock insulation support |
| CN110656711A (en) * | 2019-10-25 | 2020-01-07 | 衡水震泰隔震器材有限公司 | Anti-overturning friction pendulum shock insulation support and assembly method thereof |
| CN110656712A (en) * | 2019-10-25 | 2020-01-07 | 衡水震泰隔震器材有限公司 | Anti-overturning friction pendulum shock insulation support and assembling method thereof |
| CN111287075A (en) * | 2020-02-12 | 2020-06-16 | 中海石油(中国)有限公司 | Shock attenuation resistance to plucking support |
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| CN111287075A (en) * | 2020-02-12 | 2020-06-16 | 中海石油(中国)有限公司 | Shock attenuation resistance to plucking support |
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