CN208517812U - A kind of bridge height intelligence adjusting vibration damping holder - Google Patents
A kind of bridge height intelligence adjusting vibration damping holder Download PDFInfo
- Publication number
- CN208517812U CN208517812U CN201820712640.9U CN201820712640U CN208517812U CN 208517812 U CN208517812 U CN 208517812U CN 201820712640 U CN201820712640 U CN 201820712640U CN 208517812 U CN208517812 U CN 208517812U
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- China
- Prior art keywords
- bridge
- cushion cap
- pedestal
- vibration damping
- support
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Abstract
The utility model discloses a kind of bridge heights intelligently to adjust vibration damping holder, it is characterized in that the vibration damping holder includes the support upper steel plate set gradually from top to bottom, upper pedestal, lower pedestal and support lower steel plate, the upper pedestal bottom center is equipped with a polyhedron boss, the lower pedestal center upper portion slides cushion cap there are two being symmetrical arranged, in concave surface compatible with the boss lower surface, each sliding cushion cap is respectively provided with the magnetic means that it can be driven to move in the horizontal direction for the upper surface that two sliding cushion caps are composed.The utility model has the advantages that: seat structure designs reasonable, simple structure, can effectively mitigate bridge vibration of beam, external force is avoided to damage bridge, improve the safety of bridge；Also bridge depth of beam can be adjusted by built-in electromagnet and permanent magnet, intelligence is convenient.
Description
Technical field
The utility model relates to bridge decreasing vibration technique fields, and in particular to a kind of bridge height intelligence adjusting vibration damping holder.
Background technique
With the development of transportation, requirement of the people to trip road is higher and higher, and in road construction, bridge is built
If being the most important thing.Bridge can cause the vibration of itself under the action of external vibration, and this vibration often will lead to bridge knot
Damage on structure, it is over time, this to damage the safety and service life that will have a direct impact on bridge, seriously threaten the life of the people
Life and property safety.
Currently, vibration isolation, energy consumption damping technology gradually cause the attention of countries in the world and are widely used in building structure and bridge
Girder construction.It common are rubber support and spring fastening in existing bridge vibration insulating system, can reduce vibration caused by external force
It is endangered caused by bridge structure.Rubber support and spring fastening are although cheap, but vibration-damping function is not obvious enough, are only capable of
Play single effectiveness in vibration suppression.
Summary of the invention
The purpose of this utility model is to provide a kind of bridge height intelligence tune according to above-mentioned the deficiencies in the prior art place
Vibration damping holder is saved, which is arranged by the male and fomale(M&F) between upper pedestal and lower pedestal, can effectively reduce the vibration of bridge
It is dynamic, and the electromagnet and permanent magnet being arranged inside support, can be convenient by adjust the size of current in magnet exciting coil come
Adjust bridge depth of beam.
The utility model aim realization is completed by following technical scheme:
A kind of bridge height intelligence adjusting vibration damping holder, it is characterised in that the vibration damping holder includes successively setting from top to bottom
Support upper steel plate, upper pedestal, lower pedestal and the support lower steel plate set, it is convex that the upper pedestal bottom center is equipped with a polyhedron
Platform, the lower pedestal center upper portion is arranged symmetrically, and there are two slide cushion cap, the upper surfaces that two sliding cushion caps are composed
In concave surface compatible with the boss lower surface, each sliding cushion cap, which is respectively provided with one, can drive it in the horizontal direction
Mobile magnetic means.
Setting, the sliding cushion cap and the polyhedron are slided between the lower surface and the lower pedestal of the sliding cushion cap
Sliding contact surface between boss in angularly disposed, two sliding cushion caps pass through move towards or be moved away from make it is described more
Face body boss is moved on the sliding contact surface to adjust the height of the polyhedron boss.
A fixed bearing platform, the bottom fixed setting of the fixed bearing platform are respectively arranged on the outside of two sliding cushion caps
In on the lower pedestal, top there is the cushion cap face for upper pedestal described in temporary support；The fixed bearing platform and the sliding
There is the redundant space moved horizontally for the sliding cushion cap between cushion cap.
The magnetic means includes the electromagnet being set in the fixed bearing platform and is set on the sliding cushion cap
Permanent magnet, the electromagnet includes iron core and the magnet exciting coil that is wrapped on the iron core.
It is all provided between the support upper steel plate and the upper pedestal and between the support lower steel plate and the lower pedestal
It is equipped with damping pad.
Damping pad is provided on the cushion cap face of the fixed bearing platform.
The damping pad is allumen damping gasket.
Limiting device is provided between the support upper steel plate and the upper pedestal, the limiting device includes being arranged in institute
It states two limiting grooves at support upper steel plate bottom both ends and both ends corresponds to the limiting groove at the top of the upper pedestal
The matched spacing block set of position setting.
Limiting device is provided between the support lower steel plate and the lower pedestal, the limiting device includes being arranged in institute
It states two limiting grooves at both ends at the top of support lower steel plate and corresponds to the limiting groove at the lower pedestal bottom both ends
The matched spacing block set of position setting.
The support upper steel plate is implanted into beam body by reinforcing bar and is fixedly connected with bridge, and the support lower steel plate is fixed with bridge pier
Connection.
The utility model has the advantages that: vibration damping holder is reasonable in design, simple structure, can effectively mitigate the vibration of bridge
It is dynamic, it avoids external force from damaging bridge, improves the safety and service life of bridge；Can also by built-in electromagnet with
Permanent magnet adjusts bridge depth of beam, and intelligence is convenient.
Detailed description of the invention
Fig. 1 is the vertical cross-section structural schematic diagram that the utility model jackshaft depth of beam intelligently adjusts vibration damping holder.
Specific embodiment
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade:
Such as Fig. 1, label 1-13b is respectively as follows: support upper steel plate 1, upper pedestal 2, lower pedestal 3, support lower steel plate 4, more in figure
Face body boss 5, sliding cushion cap 6a, sliding cushion cap 6b, fixed bearing platform 7, electromagnet 8, iron core 8a, magnet exciting coil 8b, permanent magnet 9,
Damping pad 10, limiting groove 11a, spacing block set 11b, limiting groove 12a, spacing block set 12b, sliding layer 13a, sliding layer
13b。
Embodiment: as shown in Figure 1, the present embodiment intelligently adjusts vibration damping holder, the damping more particularly to a kind of bridge height
Support includes the support upper steel plate 1 set gradually from top to bottom, upper pedestal 2, lower pedestal 3 and support lower steel plate 4, upper pedestal 2
Bottom center is equipped with a polyhedron boss 5, and lower 3 center upper portion of pedestal is symmetrically arranged with sliding cushion cap 6a and sliding cushion cap 6b, under
The top both ends of pedestal 3 are additionally provided with fixed bearing platform 7, are provided with permanent magnet 9 in sliding cushion cap 6a and sliding cushion cap 6b, fixed
The electromagnet 8 being made of iron core 8a and magnet exciting coil 8b is provided in cushion cap 7, by the size for adjusting electric current in magnet exciting coil 8b
The intelligent control of bridge height can be achieved.Bridge generate vibration, polyhedron boss 5 slide when stress moves down cushion cap 6a with
6b is accepted and to two Slideslip, due to the presence of magnetic buoyancy between electromagnet and permanent magnet, makes the work for playing buffer shock-absorbing
With.
As shown in Figure 1, the vertical cross-section of vibration damping holder is in rectangle, specific structure includes the branch set gradually from top to bottom
Seat upper steel plate 1, upper pedestal 2, lower pedestal 3 and support lower steel plate 4；The bottom center of upper pedestal 2 is a polyhedron boss 5, more
The vertical cross-section of face body boss 5 is in the shape that a rectangle and a upside-down trapezoid are composed；The center upper portion and multi-panel of lower pedestal 3
The corresponding positional symmetry of body boss 5 is provided with sliding cushion cap 6a and sliding cushion cap 6b, sliding cushion cap 6a and slides cushion cap 6b's
Upper surface is in concave surface compatible with 5 lower surface of polyhedron boss, and sliding cushion cap 6a and the vertical cross-section for sliding cushion cap 6b are in " L "
Shape made of font is combined with triangle can play the role of accepting polyhedron boss 5；Polyhedron boss 5 and sliding are held
Two contact surfaces of platform 6a are parallel to each other, and two contact surfaces of polyhedron boss 5 and sliding cushion cap 6b are also parallel to each other, and sliding is held
Platform 6a and sliding cushion cap 6b have a sliding layer 13b on the contact surface, and polyhedron boss 5 can be when stress forces it to move downward
It is slided on sliding layer 13b, suffered power is transferred to sliding cushion cap 6a and sliding cushion cap 6b, realize that vertical force turns to cross force
Change, with magnetic buoyancy dynamic equilibrium to play the role of vibration damping.
As shown in Figure 1, the top both ends of lower pedestal 3 are symmetrical arranged there are two fixed bearing platform 7, two fixed bearing platforms 7 are in open
The opposite groove profile of mouth plays the role of limiting sliding cushion cap 6a and sliding cushion cap 6b and polyhedron boss 5, in addition,
Sliding cushion cap 6a and sliding can not be touched when bridge is occurred damaged by the powerful active force or polyhedron boss 5 of impact
When cushion cap 6b, fixed bearing platform 7 can play the role of supporting upper pedestal 2, prevent vibration damping holder damage, bridge rapid drawdown and collapse
Accident etc..The upper surface of lower pedestal 3 is that sliding layer 13a, sliding cushion cap 6a and sliding cushion cap 6b can be slided on sliding layer 13a.
As shown in Figure 1, equal fixed symmetrical is provided with electromagnet 8 in the slot of two fixed bearing platforms 7, electromagnet 8 includes iron core
The 8a and magnet exciting coil 8b being wrapped on iron core 8a, sliding cushion cap 6a and sliding cushion cap 6b are close to the side of two electromagnets 8
It is inside fixedly installed permanent magnet 9, the material of permanent magnet 9 can be loadstone and be also possible to artificial magnet.In vibration damping holder
When work, to the magnet exciting coil 8b turn-on current on electromagnet 8, the polarity and the polarity phase of permanent magnet 9 for generating electromagnet 8
Together, due to principle of same-sex repulsion, permanent magnet 9 be ostracised so that make to slide cushion cap 6a by electromagnet 8 apply horizontally to the right
Magnetic force, similarly, the horizontal magnetic force to the left that sliding cushion cap 6b is also applied by electromagnet 8, so that sliding cushion cap 6a and sliding are held
Platform 6b is moved toward one another, and distance between the two gradually becomes smaller, by being applied to polyhedron boss with the contact surface of polyhedron boss 5
5 one upward active forces, are lifted polyhedron boss 5 constantly along sliding layer 13b, therefore bridge depth of beam also rises
Height, when the gravity and equal upward amount of force that polyhedron boss 5 is subject to, polyhedron boss 5, which stops rising, reaches steady
Determine state.The size of the controllable magnetic force generated of size of current in magnet exciting coil 8b is adjusted, and then is controlled on polyhedron boss 5
The height risen, to realize the intelligent control of bridge height.
As shown in Figure 1, being provided with limiting device between support upper steel plate 1 and upper pedestal 2, limiting device includes that setting is being propped up
Two limiting groove 11a at seat upper steel plate 1 bottom both ends and the position of limiting groove 11a is corresponded at upper 2 top both ends of pedestal
The matched spacing block set 11b being arranged is arranged by the bumps between limiting groove 11a and spacing block set 11b, can be real
Now to the position-limiting action of upper pedestal 2.Similarly, limiting device, limit dress are again provided between support lower steel plate 4 and lower pedestal 3
It sets two limiting groove 12a including 4 top both ends of support lower steel plate are arranged in and is corresponded at lower 3 bottom both ends of pedestal and limited
The matched spacing block set 12b of the position setting of groove 12a, by between limiting groove 12a and spacing block set 12b
Effective limit, it can be achieved that lower pedestal 3 is arranged in bumps.
As shown in Figure 1, between contact surface, support lower steel plate 4 and lower pedestal 3 between support upper steel plate 1 and upper pedestal 2
Contact surface and the top of fixed bearing platform 7 be provided with damping pad 10, damping pad 10 is by having elasticity and damping special
One or more elastic materials, viscous-elastic material and the damping material of property are constituted, being capable of steel plate 1 and upper pedestal 2 on the support
Between, the effect of slowing down vibration is played between upper pedestal 2 and fixed bearing platform 7 and between lower pedestal 3 and support lower steel plate 4, also
It can play the role of increasing frictional force, limit and lateral displacement occurs between adjacent two component, and alleviate adjacent two component
The abrasion of contact surface.Damping pad specifically uses allumen damping gasket in the present embodiment.
Before use, support upper steel plate 1 is implanted into beam body by inserting reinforcing bar is fixedly connected with bridge, support lower steel plate 4 and
Bridge pier is fixedly connected.
As shown in Figure 1, the present embodiment jackshaft depth of beam intelligently adjusts the concrete operating principle of vibration damping holder are as follows:
(1) the vibration damping working principle of support
When bridge, which bears significant stress, causes vibration, held by the polyhedron boss 5 and sliding of upper 2 bottom center of pedestal
Platform 6a and the male and fomale(M&F) for sliding cushion cap 6b are worked in coordination, and the effect for slowing down pressure and vibration is played.Specifically, what bridge was born
Significant stress passes to pedestal 2 by support upper steel plate 1, and the polyhedron boss 5 of 2 bottom center of pedestal is forced to be transported downwards
Dynamic, sliding cushion cap 6a and sliding cushion cap 6b accept polyhedron boss 5, it is made to glide along sliding layer 13b；During this,
Polyhedron boss 5 is applied to the force component of sliding cushion cap 6a mono- to the left, is applied to the effect of sliding cushion cap 6b mono- to the right
Component, so that sliding cushion cap 6a and sliding cushion cap 6b are moved along sliding layer 13a toward opposite direction, two transverse component difference
Dynamic equilibrium is realized with magnetic buoyancy, mitigates bridge vibration；The downward force component of polyhedron boss 5 is divided equally sliding and holds simultaneously
On platform 6a and sliding cushion cap 6b, so that the partial pressure buffer function to bridge pressure is realized, to mitigate the vibration of bridge.This
Outside, due to being arranged between support upper steel plate 1 and upper pedestal 2, between lower pedestal 3 and support lower steel plate 4 and at the top of fixed bearing platform 7
There is damping pad 10, can equally play the effect of vibration reduction and cushioning, can also limit relative displacement and the contact surface of two adjacent components
Abrasion.When bridge bear pressure is excessive or polyhedron boss 5 or sliding cushion cap 6a and sliding cushion cap 6b occur it is damaged and
When can not effectively accept, fixed bearing platform 7 can play the role of pedestal 2 in spare support, prevent bridge damage.The present embodiment
Middle support is by being applied in combination two kinds of damping modes to absorb more vibrational energies, to have excellent damping property
And security performance.
(2) intelligence of support adjusts bridge height working principle
When needing that bridge depth of beam is adjusted, to the magnet exciting coil 8b turn-on current in electromagnet 8, pay attention to connecting
The polarity that sense of current generates electromagnet 8 is identical as the polarity of permanent magnet 9, and due to principle of same-sex repulsion, permanent magnet 9 is arranged
Reprimand makes to slide cushion cap 6a and slides cushion cap 6b respectively by the application of electromagnet 8 horizontally to the right with horizontal magnetic force to the left, forces
Sliding cushion cap 6a and sliding cushion cap 6b are moved toward one another on sliding layer 13a, gradually reduce distance between the two, and by with it is more
The contact surface of face body boss 5 is applied to 5 one upward component of polyhedron boss jointly, and the component size phase in horizontal direction
It cancels out each other etc. contrary, so that polyhedron boss 5 be made constantly to be lifted along sliding layer 13b, bridge depth of beam is therefore
It increases, when the upward amount of force of gravity and application that polyhedron boss 5 is subject to is equal, in the stopping of polyhedron boss 5
It rises and reaches stable state.The magnetic force that the adjustable electromagnet 8 of size by adjusting the electric current connected in magnet exciting coil 8b generates
Size so that control bridge depth of beam, realize bridge height intelligence adjust.Specifically, when bridge depth of beam is needed after of continuing rising
Gao Shi increases the electric current connected in magnet exciting coil 8b, and the magnetic force for generating electromagnet 8 increases, the height that polyhedron boss 5 is lifted
Degree increases, therefore bridge depth of beam is also increased；Conversely, making when bridge depth of beam needs to decline, reduces and connect in magnet exciting coil 8b
Logical electric current, the magnetic force for generating electromagnet 8 reduce, and the height that polyhedron boss 5 is lifted reduces, therefore bridge depth of beam also obtains
To reduce.
The beneficial effect of the present embodiment is: seat structure designs reasonable, simple structure, can effectively mitigate the vibration of bridge
It is dynamic, it avoids external force from damaging bridge, improves the safety and service life of bridge；Can also by built-in electromagnet with
Permanent magnet adjusts bridge depth of beam, and intelligence is convenient.
Claims (10)
1. a kind of bridge height intelligently adjusts vibration damping holder, it is characterised in that the vibration damping holder includes setting gradually from top to bottom
Support upper steel plate, upper pedestal, lower pedestal and support lower steel plate, the upper pedestal bottom center be equipped with a polyhedron boss,
The lower pedestal center upper portion is symmetrical arranged there are two sliding cushion cap, two upper surfaces for being composed of sliding cushion caps be in
The compatible concave surface in lower surface of the polyhedron boss, each sliding cushion cap, which is respectively provided with one, to drive it in level side
The magnetic means moved up.
2. a kind of bridge height according to claim 1 intelligently adjusts vibration damping holder, it is characterised in that the sliding cushion cap
Lower surface and the lower pedestal between slide be arranged, it is described sliding cushion cap and the polyhedron boss between sliding contact surface
In angularly disposed, two sliding cushion caps connect the polyhedron boss in the sliding by moving towards or being moved away from
It is moved in contacting surface to adjust the height of the polyhedron boss.
3. a kind of bridge height according to claim 1 intelligently adjusts vibration damping holder, it is characterised in that two slidings
It is respectively arranged with a fixed bearing platform on the outside of cushion cap, the bottom of the fixed bearing platform is fixedly installed on the lower pedestal, top
With the cushion cap face for upper pedestal described in temporary support；Exist between the fixed bearing platform and the sliding cushion cap and supplies the cunning
The redundant space that dynamic cushion cap moves horizontally.
4. a kind of bridge height according to claim 3 intelligently adjusts vibration damping holder, it is characterised in that the magnetic means
Including the electromagnet being set in the fixed bearing platform and the permanent magnet being set on the sliding cushion cap, the electromagnet packet
The magnet exciting coil for including iron core and being wrapped on the iron core.
5. a kind of bridge height according to claim 1 intelligently adjusts vibration damping holder, it is characterised in that steel on the support
Damping pad is provided between plate and the upper pedestal and between the support lower steel plate and the lower pedestal.
6. a kind of bridge height according to claim 3 intelligently adjusts vibration damping holder, it is characterised in that the fixed bearing platform
Cushion cap face on be provided with damping pad.
7. a kind of bridge height according to claim 5 or 6 intelligently adjusts vibration damping holder, it is characterised in that the cushion blocking
Piece is allumen damping gasket.
8. a kind of bridge height according to claim 1 intelligently adjusts vibration damping holder, it is characterised in that steel on the support
Limiting device is provided between plate and the upper pedestal, the limiting device includes being arranged at support upper steel plate bottom both ends
Two limiting grooves and at the top of the upper pedestal both ends correspond to the limiting groove position setting it is matched
Spacing block set.
9. a kind of bridge height according to claim 1 intelligently adjusts vibration damping holder, it is characterised in that steel under the support
Limiting device is provided between plate and the lower pedestal, the limiting device includes that both ends are arranged at the top of the support lower steel plate
Two limiting grooves and the lower pedestal bottom both ends correspond to the limiting groove position setting it is matched
Spacing block set.
10. a kind of bridge height according to claim 1 intelligently adjusts vibration damping holder, it is characterised in that steel on the support
Plate is implanted into beam body by reinforcing bar and is fixedly connected with bridge, and the support lower steel plate is fixedly connected with bridge pier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820712640.9U CN208517812U (en) | 2018-05-14 | 2018-05-14 | A kind of bridge height intelligence adjusting vibration damping holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820712640.9U CN208517812U (en) | 2018-05-14 | 2018-05-14 | A kind of bridge height intelligence adjusting vibration damping holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208517812U true CN208517812U (en) | 2019-02-19 |
Family
ID=65342806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820712640.9U Expired - Fee Related CN208517812U (en) | 2018-05-14 | 2018-05-14 | A kind of bridge height intelligence adjusting vibration damping holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208517812U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442242A (en) * | 2018-05-14 | 2018-08-24 | 华东交通大学 | A kind of bridge height intelligence adjusting vibration damping holder |
| CN112922004A (en) * | 2021-01-25 | 2021-06-08 | 广东迈基建设工程有限公司 | Novel anti-seismic and anti-corrosion house building foundation |
-
2018
- 2018-05-14 CN CN201820712640.9U patent/CN208517812U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442242A (en) * | 2018-05-14 | 2018-08-24 | 华东交通大学 | A kind of bridge height intelligence adjusting vibration damping holder |
| CN108442242B (en) * | 2018-05-14 | 2024-02-06 | 华东交通大学 | Bridge height intelligent regulation damping support |
| CN112922004A (en) * | 2021-01-25 | 2021-06-08 | 广东迈基建设工程有限公司 | Novel anti-seismic and anti-corrosion house building foundation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190219 Termination date: 20210514 |