CN205711719U - A kind of classification antidetonation, vibration absorption and isolation support - Google Patents
A kind of classification antidetonation, vibration absorption and isolation support Download PDFInfo
- Publication number
- CN205711719U CN205711719U CN201620601020.9U CN201620601020U CN205711719U CN 205711719 U CN205711719 U CN 205711719U CN 201620601020 U CN201620601020 U CN 201620601020U CN 205711719 U CN205711719 U CN 205711719U
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- plate
- mild steel
- lower support
- upper bracket
- top board
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Abstract
The utility model discloses a kind of classification antidetonation, vibration absorption and isolation support, for solving the not good problem of existing bearing anti seismic efficiency.It includes one-way movable support, the first c-type mild steel damping member and speed locking device, described one-way movable support includes base plate, lower support plate, wear-resisting slide assemblies, upper bracket plate, disk spring assembly and the top board being sequentially overlapped setting from bottom to top, it is respectively provided with a pair first c-type mild steel damping members in the side of base plate and lower support plate, be attached by a pair speed locking device between upper bracket plate and lower support plate extension, upper bracket plate and lead, disk spring assembly and the second c-type mild steel damping member are installed between top board.Reasonably seismic force can be scattered in each bridge pier after using bearing of the present utility model, in, rely on each pier intensity to resist earthquake under small earthquake effect, the mild steel damping member of movable pier also can effectively participate in dissipation seismic energy.
Description
Technical field
The utility model relates to a kind of bridge pad, particularly relates to a kind of bridge vibration absorption and isolation support.
Background technology
Continuous bridge structure is one of type of bridge of being most widely used at present, and it generally sets to being structurally characterized in that along bridge
Having an anchor block (setting hold-down support), other bridge piers are movable pier (setting sliding support).Therefore, in seismic process, knot
Structure is undertaken by anchor block to seismic force is substantially all along bridge, and movable pier does not undertake seismic force substantially.
Owing to continuous bridge is undertaken by anchor block to seismic force is substantially all along bridge, so when Aseismic Design is carried out to it
Often run into two problems.No matter one, carry out Ductility Design or seismic isolation design to anchor block, along bridge to seismic force still
Mainly being undertaken by anchor block, movable pier does not still undertake seismic force, therefore when continuous beam overall length is longer or beam body deadweight is bigger, by
It is bigger that anchor block completes alone antidetonation task difficulty；Its two, to anchor block use Ductility Design or seismic isolation design one
As for E2 earthquake (rarely occurred earthquake), now E2 Structures under Earthquake design can meet requirement, but E1 earthquake (in, small earthquake)
Under effect, Ductility Design or seismic isolation design do not play a role, although now earthquake intensity is little, but are only undertaken ground by anchor block
Brisance still cannot meet requirement.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides one classification antidetonation, vibration absorption and isolation support, is used for solving
Existing bearing can not realize being classified the problem of antidetonation, by design two-stage buffering, reduces design difficulty, improves anti seismic efficiency.
The technical scheme that the utility model solves that its technical problem used is:
A kind of classification antidetonation, vibration absorption and isolation support, including one-way movable support, the first c-type mild steel damping member and speed lock
Determine device, described one-way movable support include being sequentially overlapped from bottom to top the base plate of setting, lower support plate, wear-resisting slide assemblies,
Upper bracket plate, disk spring assembly and top board, it is characterised in that
It is fixed by shear pin between described base plate and lower support plate；And in the side of base plate and lower support plate respectively
Arranging a pair first c-type mild steel damping members, one end of every pair of first c-type mild steel damping member laps one another and is hinged on down and props up
The middle part of seat, other end is respectively hinged on base plate；
The surrounding of square described upper bracket plate is provided with four baffle plates, the baffle plate that one pair of which is oppositely arranged and undersetting
It is attached by a pair speed locking device between plate extension, shape between the baffle plate of another pair of opposing and lower support plate
Slide-and-guide is become to coordinate；
Upper surface at upper bracket plate is provided with four circle the first sleeves, fixedly mounts one in each first sleeve
Individual lead, is equipped with disk spring assembly in the space between lead and the first sleeve, described disk spring assembly is
Being formed by stacking by multi-disc, being provided with four circle the second sleeves on top board, the diameter of the second sleeve is more than the first sleeve
Diameter, and the second sleeve and the cooperation of the first sleeve, and be fixed by the second shear pin between two sleeves, top board sets
It is equipped with to be formed between corresponding groove, and this groove and lead with lead and be slidably matched；Between top board and upper bracket plate
It is axially provided with multiple second c-type mild steel damping member.
Scheme further, is provided with anchor structure at described baseplate underside, is provided with anchor structure on the upside of top board.
Scheme further, described wear-resisting slide assemblies includes rubber slab superposed on one another and steel liner plate, wherein steel liner plate
And join between upper bracket plate to be incorporated at cooperation tetrafluoro slide plate is set, join between described rubber slab and lower support plate and be incorporated in cooperation
Place arranges tetrafluoro slide plate.
Scheme further, described wear-resisting slide assemblies includes hemispherical arc and tetrafluoro slide plate, described hemispherical arc
The lower surface of shape plate is spherical and forms spherical cooperation, the upper table of described hemispherical arc by tetrafluoro slide plate and lower support plate
Face is plane and is coordinated by tetrafluoro slide plate and upper bracket plate formation plane.
Optimal, above-mentioned speed locking device is Hydraulic Velocity lock.
Can select, described one-way movable support is in one-way movable pot bearing or one-way movable ball shaped steel bearing
Kind.
The beneficial effects of the utility model are: resist compared with the Aseismic Design of seismic force with only relying on anchor block, use this
Reasonably seismic force can be scattered in each bridge pier after the bearing of utility model, in, rely on each pier intensity under small earthquake effect
Resisting earthquake, under rarely occurred earthquake effect, after seismic force is scattered in each pier, the mild steel damping member of movable pier also can effectively participate in
Dissipation seismic energy, it is achieved thereby that two level Aseismic Design of continuous bridge structure, makes structure design more reasonable, saves
Construction cost and reduce design difficulty.
Brief description
Fig. 1 is that master of the present utility model regards full sectional view.
Fig. 2 is vertical view half sectional view of the present utility model.
Fig. 3 is side view of the present utility model.
Fig. 4 is the Dynamic Graph (omitting disk spring assembly) of E1 geological process undersetting.
Fig. 5 is the Dynamic Graph (omitting disk spring assembly) of E2 geological process undersetting.
Fig. 6 is partial enlarged drawing at A in Fig. 1.
Fig. 7 is the deformation state (omitting disk spring assembly) of bearing in Fig. 1.
In figure: 1 base plate, 2 lower support plate, 3 upper bracket plates, 4 rubber slabs, 5 steel liner plates, 6 tetrafluoro slide plates, 6 ' tetrafluoro slide plates, 7
First shear pin, 81 first c-type mild steel damping members, 82 second c-type mild steel damping members, 9 speed locking devices, 4 ' hemisphericals
Arc, 6 " tetrafluoro slide plate, 31 first sleeves, 32 second sleeves, 33 disk spring assemblies, 34 leads, 35 second shear pins,
36 grooves, 10 top boards.
Detailed description of the invention
The utility model is one classification antidetonation, vibration absorption and isolation support, is mainly used in continuous bridge structure, it is therefore an objective to realize
The two level Aseismic Design (E1 earthquake, E2 earthquake) of structure, reduce Seismic Design of Continuous Girder Bridges design difficulty.
Embodiment one, as shown in Fig. 1 to Fig. 3, Fig. 6, major design is characterized by: include one-way movable support, this bearing
Based on one-way movable support, and the locking device that gathers way in this bearing, shear pin and c-type mild steel damping member, its
In, one-way movable support preferably uni-directional activity pot bearing, referring to figs. 1 to Fig. 3, the 1st, this one-way movable pot bearing includes base plate
Lower support plate the 2nd, upper bracket plate the 3rd, rubber slab the 4th, steel liner plate the 5th, tetrafluoro slide plate the 6th, top board, disk spring assembly and shear pin, base plate 1
And be fixed by four the first vertically arranged shear pins 7 between lower support plate 2, rubber slab 4 and steel liner plate 5 superposition and set
Put between lower support plate and upper bracket plate, and the position contacting with upper bracket plate at steel liner plate 5 respectively arrange tetrafluoro slide plate 6,
And tetrafluoro slide plate 6 ' is set between lower support plate and base plate.
Wherein above-mentioned, rubber slab the 4th, steel liner plate the 5th, tetrafluoro slide plate 6 forms wear-resisting slide assemblies, for upper lower support plate it
Between interference fits, there is also various deformation.
The improvement is that, symmetrical in two sides of above-mentioned lower support plate the first c-type mild steel damping member is set
81, the first c-type mild steel damping member 81 two ends are arranged on lower support plate 2 and base plate 1 side respectively by way of hinged, make
Obtaining lower support plate and base plate forming a kind of support in the glide direction of bearing, this is supported on generation effect when E2 earthquake occurs.
For ensureing that the first c-type mild steel damping member 81 is in stable state in seismic process, in such a configuration, the first c-type is soft
Steel damping member 81 is totally four right, and one group is distributed in both sides two-by-two.Each of which to the first c-type mild steel damping member 81 according to following
Mode install: first c-type mild steel damping member 81 one end is hinged in the middle part of lower support plate, and share a hinged otic placode
811, the other end is connected with the hinged otic placode 811 ' in base plate 1 glide direction respectively, so, slides at lower support plate opposed bottom
During, under the common effect of two the first c-type mild steel damping members 81, there is trend placed in the middle.
Above-mentioned lower support plate is square, is provided with a circular groove for accommodating rubber slab 4 at an upper portion thereof, lower
Four corners of seat board arrange pin-and-hole, are used for installing shear pin.By four companies of foundation between shear pin and above-mentioned base plate
Connect.Suitable bridge in lower support plate is respectively welded 7 font plates to two ends, is used for installation rate locking device 9, forms undersetting
The extension of plate.
Installation rate locking device 9 between above-mentioned upper bracket plate and base plate, speed locking device 9 is locked for Hydraulic Velocity
Determining device, two ends are respectively and fixedly installed to upper bracket plate 3 and base plate 1, and the glide direction that this speed locking device is to one-way support
Lock.Speed lockup's device is not had an effect when bearing sliding speed is very slow, when bearing sliding speed reaches speed faster
When spending, speed lockup's device two ends lock, and no longer slide.
For adapting to above-mentioned modification, above-mentioned upper bracket plate 3 includes flat part and is positioned at four edges and down-set
Rib, two ribs wherein coordinating with speed locking device 9 arrange screw hole, by way of screw fastens with above-mentioned
Speed locking device 9 be attached.Formed between two other rib and lower support plate 2 and be slidably matched so that upper and lower bearing
Along glide direction, there is slide-and-guide between plate, for reducing friction, coordinate at slide-and-guide and at face, tetrafluoro slide plate is set.
Upper surface at upper bracket plate 3 is provided with four circle the first sleeves 31, the uniform cloth of four circle the first sleeves 31
Putting, fixedly mounting a lead 34 in each first sleeve, lead is circular steel column, at lead and the first sleeve
Between space in be equipped with disk spring assembly 33, disk spring assembly is formed by stacking by multi-disc, and top board is steel plate,
Being provided with four circle the second sleeves 32 on top board, the diameter of the second sleeve is more than the diameter of the first sleeve, and the second sleeve
Coordinate with the first sleeve, and be attached by the second shear pin 35 between two sleeves, form a kind of temporary transient annexation.
Top board 10 is provided with the corresponding groove 36 with lead, and between this groove and lead, formation is slidably matched.
It is axially provided with multiple second c-type mild steel damping member 82 between top board 10 and upper bracket plate 3, second
The size being smaller in size than the first c-type mild steel damping member of c-type mild steel damping member 82, the second c-type mild steel damping member quantity
More, one group is grouping use two-by-two, forms preferable damping effect.
After using bearing of the present utility model at the movable pier of continuous bridge, under normal usage, shear pin is not sent out
Raw destruction, bearing only can prolong along bridge to slip, and sliding speed is very slow, and speed lockup's device is not had an effect, and does not affect bearing
Normal slip, now meets continuous bridge design under normal usage and requires.
Under E1 geological process, bearing sliding speed, the suitable bridge of bearing is locked by speed locking device to slip behavior
Living, and having preliminary shock-absorbing capacity, but earthquake intensity is little, shear pin does not destroys, and the first c-type mild steel damping member is not
Working, now movable pier relies on self-strength and anchor block shared seismic force, and E1 earthquake intensity is little, and seismic force disperses
After anchor block and each movable pier shared, each pier relies on self-strength can meet shockproof requirements, with reference to Fig. 4.
Under E2 geological process, bearing sliding speed quickly, locked by speed locking device to slip behavior by the suitable bridge of bearing
Living, simultaneously because earthquake intensity is big, shear pin is cut off, and the first c-type mild steel damping member of bearing both sides starts to deform
Power consumption, with reference to Fig. 5, concurs with speed locking device, and now movable pier incessantly undertakes seismic force and can effectively dissipate
Seismic energy, jointly resists geological process with Ductility Design or the seismic isolation design of anchor block, makes structure meet shockproof requirements.With
Anchor block alone bear geological process is compared, after using bearing of the present utility model, and can be by seismic force under E1, E2 geological process
It is distributed at movable pier, and uses different combinations to resist geological process, it is ensured that structure safety, make structure design more simultaneously
Adduction is managed, and has saved construction cost and has reduced design difficulty.
Bearing of the present utility model, based on one-way movable pot bearing, by less structural change, gathers way
Locking device, shear pin and the first c-type mild steel damping member, it is achieved under varying strength geological process, each parts are new by above-mentioned practicality
Type plays a role successively.
Embodiment two
It is similarly modified and be also applicable to other types one-way movable support (such as one-way movable ball shaped steel bearing, with reference to Fig. 7)
It is the utility model same principle, should be protected.Wherein, in one-way movable ball shaped steel bearing, wear-resisting slide assemblies is adopted
Use hemispherical arc, and tetrafluoro slide plate 6 is set in the both sides up and down of hemispherical arc 4 ' ".
Preferably, the lower surface of above-mentioned hemispherical arc is spherical, and upper surface is plane.Upper surface is that plane is permissible
Ensure in glide direction is smooth.
Embodiment described above is only to be described preferred embodiment of the present utility model, not to this practicality
Novel scope is defined, and on the premise of without departing from the utility model design spirit, relevant technical staff in the field is to this
The various deformation of utility model and improvement, all should expand in protection domain as determined by the utility model claims.
Claims (5)
1. it is classified antidetonation, a vibration absorption and isolation support, including one-way movable support, the first c-type mild steel damping member and speed lockup
Device, described one-way movable support include being sequentially overlapped from bottom to top the base plate of setting, lower support plate, wear-resisting slide assemblies, on
Support plate, disk spring assembly and top board, it is characterised in that
It is fixed by shear pin between described base plate and lower support plate；And be respectively provided with in the side of base plate and lower support plate
A pair first c-type mild steel damping members, one end of every pair of first c-type mild steel damping member laps one another and is hinged on undersetting
Middle part, other end is respectively hinged on base plate；
The surrounding of square described upper bracket plate is provided with four baffle plates, and the baffle plate that one pair of which is oppositely arranged and lower support plate are prolonged
It is attached by a pair speed locking device between extending portion, formed sliding between the baffle plate of another pair of opposing and lower support plate
Action-oriented coordinates；
Upper surface at upper bracket plate is provided with four circle the first sleeves, fixedly mounts one and lead in each first sleeve
Xiang Zhu, is equipped with disk spring assembly in the space between lead and the first sleeve, described disk spring assembly is by many
Piece is formed by stacking, and is provided with four circle the second sleeves on top board, and the diameter of the second sleeve is more than the diameter of the first sleeve,
And second sleeve and the first sleeve coordinate, and be fixed by the second shear pin between two sleeves, top board be provided with
Formed between corresponding groove, and this groove and lead with lead and be slidably matched；Between top board and upper bracket plate along
Axially arranged have multiple second c-type mild steel damping member.
2. a kind of classification antidetonation according to claim 1, vibration absorption and isolation support, it is characterised in that set at described baseplate underside
It is equipped with anchor structure, on the upside of top board, be provided with anchor structure.
3. a kind of classification antidetonation according to claim 1, vibration absorption and isolation support, it is characterised in that described wear-resisting slide assemblies
Including rubber slab superposed on one another and steel liner plate, wherein join between steel liner plate and upper bracket plate and be incorporated at cooperation that to arrange tetrafluoro sliding
Plate, joins between described rubber slab and lower support plate to be incorporated at cooperation and arranges tetrafluoro slide plate.
4. a kind of classification antidetonation according to claim 1, vibration absorption and isolation support, it is characterised in that described wear-resisting slide assemblies
Including hemispherical arc and tetrafluoro slide plate, the lower surface of described hemispherical arc be spherical and by tetrafluoro slide plate with lower
Seat board forms spherical cooperation, and the upper surface of described hemispherical arc is plane and is formed flat by tetrafluoro slide plate with upper bracket plate
Face coordinates.
5. a kind of classification antidetonation according to claim 1, vibration absorption and isolation support, it is characterised in that above-mentioned speed locking device
For Hydraulic Velocity lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620601020.9U CN205711719U (en) | 2016-06-20 | 2016-06-20 | A kind of classification antidetonation, vibration absorption and isolation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620601020.9U CN205711719U (en) | 2016-06-20 | 2016-06-20 | A kind of classification antidetonation, vibration absorption and isolation support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205711719U true CN205711719U (en) | 2016-11-23 |
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ID=57306112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620601020.9U Withdrawn - After Issue CN205711719U (en) | 2016-06-20 | 2016-06-20 | A kind of classification antidetonation, vibration absorption and isolation support |
Country Status (1)
| Country | Link |
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| CN (1) | CN205711719U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951584A (en) * | 2016-06-20 | 2016-09-21 | 山东省交通规划设计院 | Graded anti-seismic, seismic-reducing and seismic-isolating support |
| CN107675614A (en) * | 2017-11-16 | 2018-02-09 | 北京工业大学 | Lantern bone formula ball shaped steel bearing |
| CN109722986A (en) * | 2018-12-11 | 2019-05-07 | 九江职业技术学院 | A kind of pivoting friction damping support device |
| CN114875781A (en) * | 2022-01-07 | 2022-08-09 | 长沙理工大学 | Function-controllable multi-state switching type friction swinging type seismic mitigation and isolation support |
-
2016
- 2016-06-20 CN CN201620601020.9U patent/CN205711719U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951584A (en) * | 2016-06-20 | 2016-09-21 | 山东省交通规划设计院 | Graded anti-seismic, seismic-reducing and seismic-isolating support |
| CN105951584B (en) * | 2016-06-20 | 2017-08-08 | 山东省交通规划设计院 | One kind classification antidetonation, vibration absorption and isolation support |
| CN107675614A (en) * | 2017-11-16 | 2018-02-09 | 北京工业大学 | Lantern bone formula ball shaped steel bearing |
| CN107675614B (en) * | 2017-11-16 | 2023-06-20 | 北京工业大学 | Lantern bone type spherical steel support |
| CN109722986A (en) * | 2018-12-11 | 2019-05-07 | 九江职业技术学院 | A kind of pivoting friction damping support device |
| CN114875781A (en) * | 2022-01-07 | 2022-08-09 | 长沙理工大学 | Function-controllable multi-state switching type friction swinging type seismic mitigation and isolation support |
| CN114875781B (en) * | 2022-01-07 | 2023-08-15 | 长沙理工大学 | Function controllable multi-state switching type friction pendulum type shock absorption and insulation support |
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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 |
Granted publication date: 20161123 Effective date of abandoning: 20170808 |
|
| AV01 | Patent right actively abandoned |