CN204570455U - A kind of bridge pad - Google Patents
A kind of bridge pad Download PDFInfo
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- CN204570455U CN204570455U CN201520082867.6U CN201520082867U CN204570455U CN 204570455 U CN204570455 U CN 204570455U CN 201520082867 U CN201520082867 U CN 201520082867U CN 204570455 U CN204570455 U CN 204570455U
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- plate
- shock insulation
- upper bracket
- lower support
- fixed
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Abstract
A kind of bridge pad, comprise lower support plate for being fixed on pier coping portion and for being fixed on the upper bracket plate bottom bridge, it is characterized in that: between lower support plate and upper bracket plate, be provided with shock insulation component, lower support plate, shock insulation component are connected by connecting axle with upper bracket plate, or shock insulation component to be connected with lower support plate by connecting axle and and to be formed between upper bracket plate and be slidably matched.The utility model has the advantage of: this bridge pad overall structure is simple and reliable, can effectively control Bearing Seat Force and displacement, improve stressed performance and reduce the steel using amount of structure, promote rigidity and the self-vibration characteristic of structure, increase ductility and the elastic endergonic ability of structure, improve the stress performance effect under temperature action, geological process and dynamic load function.In addition, this bridge pad load path is clear and definite, reasonable stress, and be easy to manufacture and install, price economy material benefit simultaneously, is convenient to apply on a large scale.
Description
Technical field
The utility model relates to bridge supporting arrangement, especially relates to a kind of bridge pad.
Background technology
At present, bridge uses the most board-like, this three classes bearing of benzvalene form, ball-type.No matter the bridge pad of which kind of structure types, only have following three kinds of functions: one is bear vertical load; Two rotations that can adapt to beam body; Three horizontal movements that can meet superstructure.Benzvalene form and board-like material used are all be main elasticity and anti-friction material with rubber and tetrafluoro plate, and ball-type mainly realizes above-mentioned three kinds of functions with self structure and tetrafluoro plate.But in the middle of the application of actual bridge, often there is disease and quality accident in this three classes bearing.Wherein benzvalene form and sheet-type support are mainly sheared serious with ageing of rubber, rubber, and tetrafluoro plate comes off serious etc.; Wherein ball-type is mainly excessive with corner distortion, the phenomenon such as independently can not to recover.Substantially will carry out changing or safeguarding in 2 to three years, thus have impact on structural performance and the application life of bridge, and engineering quantity is large between maintenance and the stage of replacement, safety is low, costly.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, provides a kind of structure simple, the reliable bridge pad that also effectively can control Bearing Seat Force and displacement.
The utility model solves the problems of the technologies described above adopted technical scheme: this bridge pad, comprise lower support plate for being fixed on pier coping portion and for being fixed on the upper bracket plate bottom bridge, it is characterized in that: between described lower support plate and upper bracket plate, be provided with shock insulation component, described lower support plate, shock insulation component are connected by connecting axle with upper bracket plate, or described shock insulation component to be connected with described lower support plate by connecting axle and and to be formed between described upper bracket plate and be slidably matched.
As a kind of preferred version, described shock insulation component is the shock insulation dish be folded between lower support plate and upper bracket plate, the middle part of described upper bracket plate extends to form described connecting axle downwards, and described connecting axle passes shock insulation dish and upper bracket plate, shock insulation dish and lower support plate linked together.The upper bracket plate of this bridge pad and lower support plate link together, thus form fixed bearing.
Further preferably, described shock insulation dish is polyurethane discs.After adopting polyurethane discs, resistance can be produced by which better compressive strain, absorption, dissipation brisance.
Described shock insulation component is be placed on shock insulation dish in lower support plate and middle shock insulation plate from bottom to top, the middle part of described middle shock insulation plate extends to form described connecting axle downwards, and described connecting axle passes described shock insulation dish and middle shock insulation plate, shock insulation dish and lower support plate linked together.Like this, middle shock insulation plate, shock insulation dish and lower support plate can be avoided to occur the phenomenon of relative movement.
Further preferably, be fixed with lower skateboard at the top of described middle shock insulation plate, the bottom of described upper bracket plate is fixed with and forms with described lower skateboard the upper slide be slidably matched.Like this, the movement environment of low friction can be provided between upper slide and lower skateboard.
In order to prevent the extraneous pollutant such as dust, rainwater frost from entering sliding interface between lower skateboard and upper slide, between described middle shock insulation plate and upper slide, be provided with sealing ring.
Further preferably, described shock insulation dish is polyurethane discs, and described middle shock insulation plate is steel plate, and described lower skateboard is tetrafluoro plate, and described upper slide is corrosion resistant plate.
As another preferred version, the both sides of described upper bracket plate are provided with to downward-extension and are positioned at the limiting section of described middle shock insulation plate both sides, the inside wall of described limiting section is fixed with the first sideskid, is fixed with in the both sides of described middle shock insulation plate and forms with described first sideskid the second sideskid be slidably matched.Like this, this bridge pad is one-way support, is defined and slides in one direction.
As another preferred version, limiting plate is fixed with in described upper bracket plate both sides, described limiting plate lays respectively at the both sides of middle shock insulation plate, the inside wall of limiting plate is fixed with the first sideskid respectively, be fixed with the second sideskid respectively in the both sides of described middle shock insulation plate, and leave free gap between the first described sideskid and the second sideskid.This free gap general can be set to several centimetres, and this bridge pad is bilateral support.
Further preferably, described lower support plate and upper bracket plate are respectively equipped with the bolt for being fixed on bottom pier coping portion and beam body, and described lower support plate and upper bracket plate are fixed by the mutual pre-connection of connecting bolt.
Compared with prior art, the utility model has the advantage of: this bridge pad is provided with shock insulation component between lower support plate and upper bracket plate, and lower support plate, shock insulation component is connected by connecting axle with upper bracket plate, or shock insulation component is connected also with lower support plate by connecting axle and is formed between upper bracket plate and is slidably matched, seat structure is simple and reliable, can effectively control Bearing Seat Force and displacement, improve stressed performance and reduce the steel using amount of structure, promote rigidity and the self-vibration characteristic of structure, increase ductility and the elastic endergonic ability of structure, improve at temperature action, stress performance effect under geological process and dynamic load function.In addition, this bridge pad load path is clear and definite, reasonable stress, and be easy to manufacture and install, price economy material benefit simultaneously, is convenient to apply on a large scale.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two;
Fig. 3 is the structural representation of the utility model embodiment three.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
Embodiment one:
As shown in Figure 1, bridge pad in the present embodiment is fixed bearing, it shock insulation component comprising lower support plate 1, upper bracket plate 6 and be folded between lower support plate 1 and upper bracket plate 6, the middle part of upper bracket plate 6 extends to form connecting axle 7 downwards, shock insulation component is shock insulation dish 2, connecting axle 7 passes shock insulation dish 2 and upper bracket plate 6, shock insulation dish 2 is linked together with lower support plate 1, and like this, namely connecting axle 7 forms the shearing resistance axle of bridge pad.Before installation, lower support plate 1 and upper bracket plate 6 are fixed by the mutual pre-connection of connecting bolt 11, conveniently lift, lower support plate 1 and upper bracket plate 6 load onto bolt 10 respectively.During installation, lower support plate 1 is anchored at pier coping portion by bolt 10, and upper bracket plate 6 is anchored at bottom beam body by bolt 10.After installing, connecting bolt 11 is removed.
In the present embodiment, shock insulation dish 2 adopts polyurethane discs, it has good low temperature resistant, anti-aging, corrosion resistance, and the compressive strength of elastomeric polyurethane rubber elastic component can be born vertical load, displacement, corner and be absorbed and dissipation seismic forces by the resistance that distortion produces, simultaneously, polyurethane material has excellent weather resistance, can retention stablize in-70 to 120 degrees Celsius.
Embodiment two:
As shown in Figure 2, bridge pad in the present embodiment is one-way support, it comprises lower support plate 1, shock insulation dish 2, middle shock insulation plate 3, lower skateboard 4 and upper slide 5 and upper bracket plate 6, wherein, shock insulation dish 2 is polyurethane discs, middle shock insulation plate 3 is steel plate, and lower skateboard 4 is tetrafluoro plate, and upper slide 5 is mirror face stainless steel plate.
Shock insulation dish 2 and middle shock insulation plate 3 form shock insulation component, shock insulation dish 2 is located in lower support plate 1, middle shock insulation plate 3 is located on shock insulation dish 2, the middle part of middle shock insulation plate 3 extends to form connecting axle 7 downwards, connecting axle 7 passes shock insulation dish 2 and middle shock insulation plate 3, shock insulation dish 2 is linked together with lower support plate 1, like this, connecting axle 7 just forms the shearing resistance axle of bridge pad.Lower skateboard 4 is fixed on the upper surface of middle shock insulation plate 3, and the soffit forming with lower skateboard 4 that upper slide 5 is weldingly fixed on upper bracket plate 6 is slidably matched, thus provides the movement environment of low friction between upper slide 5 and lower skateboard 4.The both sides of upper bracket plate 6 are provided with to downward-extension and are positioned at the limiting section 61 of middle shock insulation plate 3 both sides, first sideskid 8 is weldingly fixed on the inside wall of limiting section 61, second sideskid 9 screw is fixed on the both sides of middle shock insulation plate 3, and the first sideskid 8 and the second sideskid 9 form and be slidably matched, thus provide the movement environment of low friction between the first sideskid 8 and the second sideskid 9.
In order to prevent the extraneous pollutant sliding interface entered between lower skateboard 4 and upper slide 5 such as dust, rainwater frost from affecting friction factor, between middle shock insulation plate 3 and upper slide 5, be provided with sealing ring (not shown).In the present embodiment, lower skateboard 4 is tetrafluoro plate, and upper slide 5 is corrosion resistant plate, after arranging sealing ring, can reduce the wearing and tearing of tetrafluoro plate and the corrosion of corrosion resistant plate, thus increases the application life of bearing.
When bridge is moved, the sliding interface of the relatively low friction of tetrafluoro plate one can be supplied to, discharge bridge beam body along bridge to displacement; When direction across bridge load is less, can clamped beam body, prevent beam body from swinging; When direction across bridge load is larger, by sliding up and down with polyurethane discs to adjust beam body lateral displacement between upper bracket plate, transmit transverse load.
Before installation, lower support plate 1 and upper bracket plate 6 are fixed by the mutual pre-connection of connecting bolt 11, conveniently lift, lower support plate 1 and upper bracket plate 6 load onto bolt 10 respectively.During installation, lower support plate 1 is anchored at pier coping portion by bolt 10, and upper bracket plate 6 is anchored at bottom beam body by bolt 10.After installing, connecting bolt 11 is removed.
Embodiment three:
As shown in Figure 3, bridge pad in the present embodiment is bilateral support, this bilateral support is fixed with limiting plate 12 in upper bracket plate 6 both sides, limiting plate 12 lays respectively at the both sides of middle shock insulation plate 3, first sideskid 8 is fixed on the inside wall of limiting plate 12, second sideskid 9 is fixed on the both sides of middle shock insulation plate 3, and owing to leaving the free gap of several centimetres between the first sideskid 8 and the second sideskid 9, thus becomes bilateral support.All the other structures of this bilateral support are identical with the structure of one-way support in embodiment two, do not launch to describe at this.
Claims (10)
1. a bridge pad, comprise lower support plate (1) for being fixed on pier coping portion and for being fixed on the upper bracket plate (6) bottom bridge, it is characterized in that: between described lower support plate (1) and upper bracket plate (6), be provided with shock insulation component, described lower support plate (1), shock insulation component are connected by connecting axle (7) with upper bracket plate (6), or described shock insulation component is connected with described lower support plate (1) by connecting axle (7) and and is formed between described upper bracket plate (6) and be slidably matched.
2. bridge pad according to claim 1, it is characterized in that: described shock insulation component is for being folded in the shock insulation dish (2) between lower support plate (1) and upper bracket plate (6), the middle part of described upper bracket plate (6) extends to form described connecting axle (7) downwards, and described connecting axle (7) is through shock insulation dish (2) and upper bracket plate (6), shock insulation dish (2) and lower support plate (1) are linked together.
3. bridge pad according to claim 2, is characterized in that: described shock insulation dish (2) is polyurethane discs.
4. bridge pad according to claim 1, it is characterized in that: described shock insulation component is be placed on shock insulation dish (2) in lower support plate (1) and middle shock insulation plate (3) from bottom to top, the middle part of described middle shock insulation plate (3) extends to form described connecting axle (7) downwards, and described connecting axle (7) is through described shock insulation dish (2) and middle shock insulation plate (3), shock insulation dish (2) and lower support plate (1) are linked together.
5. bridge pad according to claim 4, it is characterized in that: be fixed with lower skateboard (4) at the top of described middle shock insulation plate (3), the bottom of described upper bracket plate (6) is fixed with the upper slide (5) forming with described lower skateboard (4) and be slidably matched.
6. bridge pad according to claim 5, is characterized in that: between described middle shock insulation plate (3) and upper slide (5), be provided with sealing ring.
7. bridge pad according to claim 5, it is characterized in that: described shock insulation dish (2) is polyurethane discs, described middle shock insulation plate (3) is steel plate, described lower skateboard (4) is tetrafluoro plate, and described upper slide (5) is corrosion resistant plate.
8. the bridge pad according to claim arbitrary in claim 4 to 7, it is characterized in that: the both sides of described upper bracket plate (6) are provided with to downward-extension and are positioned at the limiting section (61) of described middle shock insulation plate (3) both sides, the inside wall of described limiting section (61) is fixed with the first sideskid (8), is fixed with in the both sides of described middle shock insulation plate (3) and forms with described first sideskid (8) the second sideskid (9) be slidably matched.
9. the bridge pad according to claim arbitrary in claim 4 to 7, it is characterized in that: be fixed with limiting plate (12) in described upper bracket plate (6) both sides, described limiting plate (12) lays respectively at the both sides of middle shock insulation plate (3), the inside wall of limiting plate (12) is fixed with the first sideskid (8) respectively, be fixed with the second sideskid (9) respectively in the both sides of described middle shock insulation plate (3), and leave free gap between described the first sideskid (8) and the second sideskid (9).
10. bridge pad according to claim 1, it is characterized in that: in described lower support plate (1) and upper bracket plate (6), be respectively equipped with the bolt (10) for being fixed on bottom pier coping portion and beam body, and described lower support plate (1) and upper bracket plate (6) are fixed by the mutual pre-connection of connecting bolt (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520082867.6U CN204570455U (en) | 2015-02-05 | 2015-02-05 | A kind of bridge pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520082867.6U CN204570455U (en) | 2015-02-05 | 2015-02-05 | A kind of bridge pad |
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| Publication Number | Publication Date |
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| CN204570455U true CN204570455U (en) | 2015-08-19 |
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| CN201520082867.6U Active CN204570455U (en) | 2015-02-05 | 2015-02-05 | A kind of bridge pad |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2015
- 2015-02-05 CN CN201520082867.6U patent/CN204570455U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| TR01 | Transfer of patent right |
Effective date of registration: 20201201 Address after: Room 201, 2 / F, building 2, No. 28, Nanhai Road, Xinqi street, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Lubao transportation facilities Co., Ltd Address before: 315800 No. 28 Nanhai Road, Beilun District, Zhejiang, Ningbo Patentee before: ZHEJIANG QUANHUA INDUSTRIAL Co.,Ltd. |