CN204589792U - A kind of bridge sliding damping bearer - Google Patents
A kind of bridge sliding damping bearer Download PDFInfo
- Publication number
- CN204589792U CN204589792U CN201520251574.6U CN201520251574U CN204589792U CN 204589792 U CN204589792 U CN 204589792U CN 201520251574 U CN201520251574 U CN 201520251574U CN 204589792 U CN204589792 U CN 204589792U
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- plate
- bridge
- sliding
- sliding plate
- shrouding
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of bridge sliding damping bearer, comprise neoprene bearing body, shrouding, lower connecting plate, lead for retractable pencil, sliding plate, upper junction plate.Bridge sliding damping bearer of the present utility model, traditional bridge pad basis adds Sliding Structures, the deformation produced due to concrete shrinkage when can adapt to construct or when larger change occurs environment temperature, can have stronger deformability when especially running into earthquake and avoid lead for retractable pencil generation deformation and surrender fracture and affect bridge construction; Sliding plate adopts three-layer composite structure, has both had the feature that friction factor is low, supporting capacity is high, creep is little, compressive strain is little, wear rate is low, and has had again the function of damping, and added adaptive capacity to environment and the safety of bridge.
Description
Technical field
The utility model relates to bridge construction field, specifically, relates to a kind of bridge sliding damping bearer.
Background technology
Along with the development of communication, the high performance bridge pad of high-quality has become the critical construction position of whole bridge engineering, is set up on pier, the device of end face supporting bridge superstructure.Its function, for superstructure is fixed on pier, is born the various power acting on superstructure, and it is reliably passed to pier; Under load, temperature, concrete shrinkage and creep effect, bearing can adapt to corner and the displacement of superstructure, make superstructure can Free Transform and do not produce extra additional internal force, this natural calamity of earthquake simultaneously also can cause irreversible damage to bridge.Existing bearing is fixedly connected with bridge pier with bridge respectively when constructing, during construction or when the larger temperature difference occurs environment, bridge may produce larger distortion, or also can produce larger distortion during earthquake, lead for retractable pencil now in bearing will deform and surrender, cause fatigue damage, have impact on the structure of bridge, cause potential safety hazard.
Utility model content
Technical problem to be solved in the utility model is to provide the bridge sliding damping bearer that a kind of adaptive capacity to environment is strong and safety is high.
For solving the problems of the technologies described above, the utility model provides a kind of bridge sliding damping bearer, comprises neoprene bearing body, shrouding, lower connecting plate, lead for retractable pencil, sliding plate, upper junction plate.
Described lead for retractable pencil is closely embedded in the middle position of described neoprene bearing body.
The lower end of described neoprene bearing body is fixedly connected with described lower connecting plate.
The upper end of described lower connecting plate is fixedly connected with described shrouding, and described shrouding upper surface is provided with groove, is closely inlaid with described sliding plate in described groove, and the upper level of described sliding plate is higher than described shrouding upper surface; Described sliding plate is made up of trilaminate material, is followed successively by pure polytetrafluoroethylene (PTFE) top layer, glass fiber modified Teflon intermediate layer and yielding rubber backing plate bottom from top to bottom.
Described upper junction plate soffit is provided with the slippage platform to lower convexity, and described sliding plate and described slippage platform form and be slidably matched; Described upper junction plate soffit is provided with along described slippage platform periphery the baffle plate to lower process limiting described sliding plate sliding scale, is provided with certain slippage spacing between described baffle plate and described sliding plate.
Described upper junction plate is peripherally symmetrically arranged with some first set bolts in order to be fixedly connected with bottom bridge, and described lower connecting plate is peripherally symmetrically arranged with some second set bolts in order to be fixedly connected with pier coping portion.
Further, lubrication silicone grease is coated with between the pure polytetrafluoroethylene (PTFE) top layer of described sliding plate and described slippage platform.
Bridge sliding damping bearer of the present utility model, traditional bridge pad basis adds Sliding Structures, the deformation produced due to concrete shrinkage when can adapt to construct or when larger change occurs environment temperature, can have stronger deformability when especially running into earthquake and avoid lead for retractable pencil generation deformation and surrender fracture and affect bridge construction; Sliding plate adopts three-layer composite structure, has both had the feature that friction factor is low, supporting capacity is high, creep is little, compressive strain is little, wear rate is low, and has had again the function of damping, and added adaptive capacity to environment and the safety of bridge.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure, 1, neoprene bearing body, 2, shrouding, 3, lower connecting plate, the 31, second set bolt, 4, lead for retractable pencil, 5, sliding plate, 51, pure polytetrafluoroethylene (PTFE) top layer, 52, glass fiber modified Teflon intermediate layer, 53, yielding rubber backing plate bottom, 6, upper junction plate, 61, slippage platform, 62, baffle plate, the 63, first set bolt.
Detailed description of the invention
As employed some vocabulary to censure specific components in the middle of manual and claim.Those skilled in the art should understand, and hardware manufacturer may call same assembly with different noun.This specification and claims are not used as with the difference of title the mode distinguishing assembly, but are used as the criterion of differentiation with assembly difference functionally." comprising " as mentioned in the middle of manual and claim is in the whole text an open language, therefore should be construed to " including but not limited to ".Manual subsequent descriptions is for implementing better embodiment of the present utility model, and right described description is to illustrate for the purpose of rule of the present utility model, and is not used to limit scope of the present utility model.Protection domain of the present utility model is when being as the criterion depending on the claims person of defining.
In description of the present utility model, needs are understood, and " the first set bolt ", " the second set bolt " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.In addition, the orientation of the instruction such as ＂, D score on term ＂ or position relationship, only that device or the element of the utility model and simplified characterization instead of instruction or hint indication for convenience of description must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
Below in conjunction with accompanying drawing, the utility model is described in further detail, but not as to restriction of the present utility model.
A kind of bridge sliding damping bearer, comprises neoprene bearing body 1, shrouding 2, lower connecting plate 3, lead for retractable pencil 4, sliding plate 5, upper junction plate 6.
Described lead for retractable pencil 4 is closely embedded in the middle position of described neoprene bearing body 1.
The lower end of described neoprene bearing body 1 is fixedly connected with described lower connecting plate 3.
The upper end of described lower connecting plate 3 is fixedly connected with described shrouding 2, and described shrouding 2 upper surface is provided with groove, is closely inlaid with described sliding plate 5 in described groove, and the upper level of described sliding plate 5 is higher than described shrouding 2 upper surface; Described sliding plate 5 is made up of trilaminate material, be followed successively by pure polytetrafluoroethylene (PTFE) top layer 51, glass fiber modified Teflon intermediate layer 52 and yielding rubber backing plate bottom 53 from top to bottom, pure polytetrafluoroethylene (PTFE) has the feature that friction factor is low, supporting capacity is high, creep is little, compressive strain is little, wear rate is low and is suitable as top layer, the effect that glass fiber modified Teflon has higher supporting capacity, creep is less, compressive strain is less feature plays enhancing as intermediate layer, yielding rubber backing plate springrate ratio is high, can strengthen the damping effect of bridge.
Described upper junction plate 6 soffit is provided with the slippage platform 61 to lower convexity, ensures that upper junction plate 6 has certain slippage wear allowance, avoids excessive wear and produce groove, hinder slippage, and described sliding plate 5 and described slippage platform 61 form and be slidably matched; Described upper junction plate 6 soffit is provided with along described slippage platform 61 periphery the baffle plate 62 to lower process limiting described sliding plate 5 sliding scale, certain slippage spacing is provided with between described baffle plate 62 and described sliding plate 5, limit slip scope, when preventing earthquake, slippage scope is excessive and cause bridge damage.
Described upper junction plate 6 is peripherally symmetrically arranged with some first set bolts 63 in order to be fixedly connected with bottom bridge, and described lower connecting plate 3 is peripherally symmetrically arranged with some second set bolts 31 in order to be fixedly connected with pier coping portion.
Particularly preferred, be coated with lubrication silicone grease between the pure polytetrafluoroethylene (PTFE) top layer 51 of described sliding plate 5 and described slippage platform 61, further reduce the friction factor of slip, reduce wear rate.
Bridge sliding damping bearer of the present utility model, traditional bridge pad basis adds Sliding Structures, the deformation produced due to concrete shrinkage when can adapt to construct or when larger change occurs environment temperature, can have stronger deformability when especially running into earthquake and avoid lead for retractable pencil generation deformation and surrender fracture and affect bridge construction; Sliding plate adopts three-layer composite structure, has both had the feature that friction factor is low, supporting capacity is high, creep is little, compressive strain is little, wear rate is low, and has had again the function of damping, and added adaptive capacity to environment and the safety of bridge.
Above-mentioned explanation illustrate and describes some preferred embodiments of the present utility model, but as previously mentioned, be to be understood that the utility model is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in utility model contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from spirit and scope of the present utility model, then all should in the protection domain of the utility model claims.
Claims (2)
1. a bridge sliding damping bearer, is characterized in that: comprise neoprene bearing body (1), shrouding (2), lower connecting plate (3), lead for retractable pencil (4), sliding plate (5), upper junction plate (6);
Described lead for retractable pencil (4) is closely embedded in the middle position of described neoprene bearing body (1);
The lower end of described neoprene bearing body (1) is fixedly connected with described lower connecting plate (3);
The upper end of described lower connecting plate (3) is fixedly connected with described shrouding (2), described shrouding (2) upper surface is provided with groove, closely be inlaid with described sliding plate (5) in described groove, the upper level of described sliding plate (5) is higher than described shrouding (2) upper surface; Described sliding plate (5) is made up of trilaminate material, is followed successively by pure polytetrafluoroethylene (PTFE) top layer (51), glass fiber modified Teflon intermediate layer (52) and yielding rubber backing plate bottom (53) from top to bottom;
Described upper junction plate (6) soffit is provided with the slippage platform (61) to lower convexity, and described sliding plate (5) and described slippage platform (61) form and be slidably matched; Described upper junction plate (6) soffit is provided with along described slippage platform (61) periphery the baffle plate to lower process (62) limiting described sliding plate (5) sliding scale, is provided with certain slippage spacing between described baffle plate (62) and described sliding plate (5);
Described upper junction plate (6) is peripherally symmetrically arranged with some first set bolts (63) in order to be fixedly connected with bottom bridge, and described lower connecting plate (3) is peripherally symmetrically arranged with some second set bolts (31) in order to be fixedly connected with pier coping portion.
2. bridge sliding damping bearer according to claim 1, is characterized in that: be coated with lubrication silicone grease between the pure polytetrafluoroethylene (PTFE) top layer (51) of described sliding plate (5) and described slippage platform (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520251574.6U CN204589792U (en) | 2015-04-22 | 2015-04-22 | A kind of bridge sliding damping bearer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520251574.6U CN204589792U (en) | 2015-04-22 | 2015-04-22 | A kind of bridge sliding damping bearer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204589792U true CN204589792U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520251574.6U Expired - Fee Related CN204589792U (en) | 2015-04-22 | 2015-04-22 | A kind of bridge sliding damping bearer |
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| Country | Link |
|---|---|
| CN (1) | CN204589792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537436A (en) * | 2018-11-29 | 2019-03-29 | 刘恒毅 | A kind of highway bridge damped noise reduction device |
-
2015
- 2015-04-22 CN CN201520251574.6U patent/CN204589792U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537436A (en) * | 2018-11-29 | 2019-03-29 | 刘恒毅 | A kind of highway bridge damped noise reduction device |
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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: 20150826 Termination date: 20160422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |