Aseismatic bearing
Technical field
The invention is related to the aseismatic bearing used in building, traffic bridge technical field, specifically a kind of with excellent
The aseismatic bearing of good anti-seismic performance.
Background technology
Earthquake brings heavy damage to various building structure, elevated bridge.Seismic isolation technology is seismic resistance field in the last thirty years
Develop faster and constantly improve a special kind of skill, be mainly used in building, bridge field at present.
Earthquake magnitude is larger or some reasons under structure " hard anti-" be difficult to meet it is expected it is shockproof require when, using shock insulation
Technology reduces the input seismic energy of structure, can reach good effect.The essential of shock insulation be make structure or part with
The earthquake ground motion or support movement that destruction may be caused separate, and separate the route of transmission of seismic energy, make to be input to
Seismic force and energy on building structure are reduced, and so as to reduce the earthquake response of superstructure, reach expected requirement of setting up defences.
This separation or decoupling are to set Seismic Isolation of Isolation Layer by the privileged site in engineering structure, set isolator, damper
Or other auxiliary equipments, to extend the natural vibration period of total system, to increase structural damping, so that structure is made in earthquake
Dynamic response (acceleration, speed, displacement) under is rationally controlled, it is ensured that people of the structure and in structure in itself, instrument, is set
The ground such as standby, finishing are safe and in normal use environment.
By the difference of energy-dissipating and shock-absorbing principle, shock insulation type includes laminated rubber bases shock insulation, lead core rubber support shock insulation, rolling
Pearl (or roller bearing) shock insulation, hang base isolation, wave bearing shock insulation, sliding support shock insulation etc..
By taking laminated rubber bases as an example, exactly by setting the rubber layer of multilayer, play a part of cushion impact forces, still
Can not fundamentally solve the problems, such as above-mentioned.
Still hair, the new making of development of new, such as China are measured for this most making specially from increase elastic force
Bearing disclosed in profit application CN102839751B, exactly slows down antidetonation by increasing vertically arranged butterfly spring.This
The making of kind structure has preferable discomposing effect for the impulsive force on vertical direction, but for the decomposition in horizontal direction
DeGrain.
Applicant is by studying discovery, for the Seismic mechanism of horizontal impulsive force and vertical direction impulsive force in earthquake not
Together, wherein, the Seismic mechanism of vertical direction impulsive force is produced by building, the deadweight of bridge itself and in the vertical direction
What small elevating movement balanced out, what is utilized is gravitional force acting mechanism, in horizontal direction, currently with mainly
Elastic buffer, such as a kind of bearing that Chinese patent CN203891201 is provided, are just provided with buffer spring in the horizontal direction,
Row buffering is entered to it by spring, but spring only has certain shock-absorbing capacity, the consumption and absorptance for energy compared with
It is few, so caused by result be exactly building or bridge still occur it is violent, rock for a long time, damping effect is not
It is preferable.
The content of the invention
In order to solve the deficiencies in the prior art, the present invention provides aseismatic bearing, for house, steel construction, bridge, high iron-based
Antidetonation in plinth engineering, to solve the problems, such as existing anti-seismic structure can not effectively decompose with consumption level shearing force, solve simultaneously
Certainly the problem of property easy for installation.
The technical solution adopted for the present invention to solve the technical problems is:
Aseismatic bearing, the aseismatic bearing include the first plate, the second plate and the 3rd plate be arrangeding in parallel from top to bottom;
Wherein, the upper surface of the first plate is provided with the first installation portion, the lower surface of the first plate is provided with the first grafting
Plate and the first Buffer Unit, wherein the first plugboard is the multiple and equidistant downside for being fixed on the first plate, the first plugboard
Perpendicular to one another with the first plate upper end;First Buffer Unit is fixed on the both sides of the first plugboard, and is located at the first plugboard
The both ends of array;
First auxiliary clamping plate is set in the first grafting plate array both sides, the first auxiliary clamping plate is trapezium structure, described first
Plugboard and the first auxiliary clamping plate lower surface are rolled by cylindrical roller and the second plate to be coordinated;Between the first plugboard two-by-two
The lower surface of first plate is provided with the first cylindrical roller groove placed in the middle;
First installation portion is centrally located, and rubber spacer and pin installation are provided with the first installation portion surface
Hole, a groove coordinated with the first installation portion, first installation portion are provided with the bottom of prefabricated buildings bearing column
Connected in groove and by pin;
The 3rd plugboard, the 3rd Buffer Unit, the second auxiliary clamping plate and the second installation portion are provided with 3rd plate, the
Three plugboards and the first grafting harden structure are identical, and the 3rd Buffer Unit and the first Buffer Unit structure are identical, and the described 3rd
Plugboard is the multiple and equidistant upside for being fixed on the 3rd plate, and the second auxiliary clamping plate is set in the 3rd grafting plate array both sides,
Second auxiliary clamping plate is identical with the first auxiliary clamp region, and the 3rd plugboard and the second auxiliary clamping plate upper surface pass through cylinder
Roller and the second plate, which roll, to be coordinated, and the 3rd circle placed in the middle is provided with the upper surface of the 3rd plate between the 3rd plugboard two-by-two
Post roller groove;
Second installation portion is to be welded on the steel plate on the downside of the 3rd plate, is centrally located, and in the second installation portion surface anchor
Bolt, it is fixed on by way of pouring in advance on ground;
The second plugboard, the second cylindrical roller groove and the second Buffer Unit are provided with the upper surface of the second plate, it is described
Second plugboard, the second Buffer Unit are identical with first plugboard, the first Buffer Unit structure, second plugboard and
Socket connection is carried out between first plugboard and is bonded in side;
The 4th plugboard, the 4th cylindrical roller groove and the 4th Buffer Unit are provided with the lower surface of the second plate, it is described
4th plugboard, the 4th Buffer Unit are identical with the 3rd plugboard, the 3rd Buffer Unit structure, the 4th plugboard and
3rd plugboard carries out socket connection and is bonded in side;
Second plugboard and the 4th plugboard are arranged substantially perpendicular to each other;
The brake block being equidistantly spaced is inlaid with the both sides of the first plugboard to the 4th plugboard, centre is smooth
Position, and smooth department bit width is equal to the width of brake block;
Brake block on first plugboard shifts to install with the brake block on the second plugboard;3rd plugboard
On brake block shifted to install with the brake block on the 4th plugboard;And between the first plate and the second plate and the second plate and
Safety pin and seal sleeve are set between the 3rd plate.
Further, first plugboard is the steel plate of 20 millimeters thicks, the size of the first plugboard for it is 40 centimetres wide, 10
Centimetre height, the gap of two adjacent first plugboards is 20 millimeters;Second plugboard, the 3rd plugboard, the 4th plugboard
It is identical with the first plugboard specification.
Further, first Buffer Unit includes the projection extended downwardly from the first plate, is fixed on the inside of the projection
One leaf spring, the both ends of the leaf spring are fixed in projection by steady pin.
First Buffer Unit (13) is the hydraulic cylinder of internal oil passages closing.
The beneficial effects of the invention are as follows:
1st, be engaged between three plates by the plugboard of setting intersected with each other, and plugboard and three plates it
Between for cylindrical roller coordinate, there is good rolling characteristics and steering capability so that the starting stage of earthquake can start rapidly,
The sensitivity of antidetonation efficiency is improved, avoids the occurrence of the phenomenon that initial stage is depressed, and the later stage starts suddenly, improves anti seismic efficiency.
Traditional bearing, only it can just start suddenly in the case of earthquake intensity reaches certain numerical value.
2nd, coordinated two-by-two between adjacent plugboard by spaced brake block, and be interruption, it is discontinuous
Cooperation, when earthquake occurs, the amplitude of the horizontal force of earthquake can be decomposed, be decomposed into the vibration of frequency low-amplitude, change
Become the earthquake vibration cycle, effectively raise anti-seismic performance.
3rd, be engaged between three plates by the plugboard of setting intersected with each other, and plugboard and three plates it
Between coordinate for cylindrical roller, there is preferable rigidity on vertical, larger carrier can be born.
4th, it is pure mechanic structure, disclosure satisfy that long-term non-maintaining operation, and primary friction power occurs between plugboard
At friction plate, friction plate selects automobile brake sheet, maintenance-free.
Brief description of the drawings
Fig. 1 is the structural representation of dedicated shock-proof bearing.
Fig. 2 is the structure chart of the first plate.
Fig. 3 is Fig. 1 side view.
Initial acceleration state expanded views of the Fig. 4 between adjacent plugboard.
Deceleration regime expanded views of the Fig. 5 between adjacent plugboard.
Fig. 6 is the sectional drawing of the first plugboard.
Fig. 7 is the acceleration between adjacent plugboard in seismic process.
Fig. 8 is the schematic diagram of embodiment two.
In figure:1 first plate, 11 first installation portions, 111 rubber spacers, 12 first plugboards, 121 first cylindrical rollers are recessed
Groove, 13 first Buffer Units, 131 projections, 132 leaf springs, 14 first auxiliary clamping plates, 2 second plates, 21 second plugboards, 22 second
Cylindrical roller groove, 23 second Buffer Units, 24 the 4th plugboards, 25 the 4th cylindrical roller grooves, 26 the 4th Buffer Units, 3
3rd plate, 31 the 3rd Buffer Units, 32 second installation portions, 33 the 3rd plugboards, 331 the 3rd cylindrical roller grooves, 34 second is auxiliary
Help clamping plate, 4 cylindrical rollers, 4 ' cylindrical rollers, 5 safety pins, 6 seal sleeves.
Embodiment
As shown in Figures 1 to 7, it is as follows for existing defect, protection main body of the invention:
Exploitation is aseismatic bearing, dedicated shock-proof bearing being described in detail in detail below:
Embodiment one, dedicated shock-proof bearing, including the first plate 1, the second plate 2 and the 3rd plate 3 set from top to bottom.
Wherein, the first plate 1 is at least 20 millimeters of steel plate using thickness, and the upper surface of the first plate 1 is provided with first
Installation portion 11, is welded to connect between the two, and the first installation portion 11 is used for and prefabricated buildings are attached, under the first plate 1
Surface is provided with the first plugboard 12 and the first Buffer Unit 13.Wherein the first plugboard 12 is uniformly welded on the to be multiple
The downside of one plate 1.The first above-mentioned plugboard 12 uses thickness, and for 20 centimetres of steel plate, the size of the first plugboard 12 is 40 lis
Meter Kuan, 10 centimetres of height, the upper end of the first plugboard 12 are welded to connect with the first plate 1, and are relation perpendicular to one another between the two, and two
The clearance control of individual first plugboard 12 between 20 millimeters, the first plugboard 12 the depth of parallelism control positive and negative 0.1 millimeter it
Between.
It is parallel to each other between above-mentioned multiple first plugboards, and rule is arranged.
First auxiliary clamping plate 14 is set in the array both sides of the first plugboard 12, and the first auxiliary clamping plate is trapezium structure, thickness
More than the thickness of the first plugboard 12, a row cylinder roller 4 is provided with the lower surface of the first plugboard 12, cylindrical roller is set side by side
Put, and the least significant end of cylindrical roller exposes the outside of the first plugboard, is formed and rolls cooperation.
Two row cylinder rollers 4 are provided with the lower surface of the first auxiliary clamping plate 14, cylindrical roller is set up in parallel, and cylindrical roller
Least significant end expose the outside of first clamping plate, formed to roll and coordinate.
The first cylindrical roller groove placed in the middle is provided with the lower surface of the first plate between the first plugboard 12 two-by-two
121, for being coordinated with the cylindrical roller on the 3rd plate.
One of best mode of first Buffer Unit 13 is:Including the projection 131 extended downwardly from the first plate, projection inner side
A leaf spring 132 is fixed, the both ends of leaf spring 132 are fixed in projection by steady pin.The first above-mentioned Buffer Unit is fixed on
The both sides of first plugboard, and positioned at the both ends of the first grafting plate array, for extreme position between the first plate and the second plate
Buffering.
First installation portion 11 is the steel plate for being welded on the first plate top, is centrally located, and is set on the first installation portion surface
There are rubber spacer 111, and pin mounting hole, it is corresponding, one and the is provided with the bottom of prefabricated buildings bearing column
The groove that one installation portion coordinates, pin is provided with groove, pin is tapered dowel, for coordinating with pin mounting hole memory.
3rd plate 3 and the first harden structure are essentially identical, and the 3rd plate 3 is at least 20 millimeters of steel plate using thickness, and the
The lower surface of three plates 3 is provided with the second installation portion 32, and the second installation portion is used for and prefabricated buildings are attached, in the 3rd plate 3
Upper surface be provided with the 3rd plugboard 33 and the 3rd Buffer Unit 31.Wherein the 3rd plugboard 33 is multiple, uniform welding
In the upside of the 3rd plate.The 3rd above-mentioned plugboard 33 uses thickness, and for 20 millimeters of steel plate, the size of the 3rd plugboard 33 is
40 centimetres wide, 10 centimetres of height, the 3rd plugboard lower end is connected with the 3rd plate weld, and is relation perpendicular to one another between the two,
The clearance control of two the 3rd plugboards 33 between 20 millimeters, the 3rd plugboard the depth of parallelism control positive and negative 0.1 millimeter it
Between.
It is parallel to each other between above-mentioned multiple 3rd plugboards, and rule is arranged.
Second auxiliary clamping plate 34 is set in the array both sides of the 3rd plugboard 33, and the second auxiliary clamping plate 34 is trapezium structure, thick
Degree is provided with a row cylinder roller 4 ', cylindrical roller is arranged side by side more than the thickness of the 3rd plugboard in the upper surface of the 3rd plugboard 33
Set, and the least significant end of cylindrical roller exposes the outside of the 3rd plugboard, is formed and rolls cooperation.
Two row cylinder rollers 4 ' are provided with the upper surface of the second auxiliary clamping plate 34, cylindrical roller is set up in parallel, and cylinder rolls
The least significant end of son exposes the outside of three-ply board, is formed and rolls cooperation.The 3rd plate between the 3rd plugboard 33 two-by-two it is upper
The 3rd cylindrical roller groove 331 placed in the middle is provided with surface, for being coordinated with the cylindrical roller on the second plate.
One of best mode of 3rd Buffer Unit 31 is:It is solid on the inside of projection including the projection upwardly extended from the 3rd plate
A fixed leaf spring, the both ends of leaf spring are fixed in projection by steady pin.The 3rd above-mentioned Buffer Unit is fixed on the 3rd grafting
The both sides of plate, and it is identical with the first Buffer Unit positioned at the both ends of the 3rd grafting plate array, structure.
Second installation portion 32 is to be welded on the steel plate on the downside of the 3rd plate, is centrally located, and in the second installation portion surface crab-bolt
321, it is fixed on by way of pouring in advance on ground, completes connection.
Second plate 2 is at least 20 millimeters of steel plate using thickness, and the upper surface surface of the second plate is provided with second and inserted
Fishplate bar 21, the second cylindrical roller groove 22 and the second Buffer Unit 23, the second plugboard and the second Buffer Unit and above-mentioned the
One plugboard and the first Buffer Unit structure are identical, are not repeating, and for being attached grafting company with the first plugboard
Connect.
The lower surface of second plate 2 is provided with the 4th plugboard 24, the 4th cylindrical roller groove 25 and the 4th Buffer Unit
26, the 4th plugboard and the 4th Buffer Unit are identical with the 3rd above-mentioned plugboard and the 3rd Buffer Unit structure, do not exist
Repeat, and for being attached socket connection with the 3rd plugboard.
Above-mentioned the second plugboard and the 4th plugboard is arranged substantially perpendicular to each other.
As a kind of optimal mode, the structure of above-mentioned the first plugboard to the 4th plugboard is identical, with first
Illustrated exemplified by plugboard, brake block 122 is inlaid with the both sides of the first plugboard 12, with reference to figure 6, above-mentioned brake block
122 be tabular, is embedded in the both sides of the first plate, is arranged symmetrically in relation to each other, and brake block is intervally installed, and centre is smooth department
Position 123, and spacing distance is equal to the width of brake block, forms the pattern shown in Fig. 2.
Brake block 122 on first plugboard 12 shifts to install with the brake block 122 ' on the second plugboard 21, i.e. first
The brake block 122 ' of corresponding second plugboard in the smooth position 123 of plugboard, meanwhile, the smooth position 123 ' of the second plugboard is right
The brake block 122 of the first plugboard is answered, forms Fig. 4 expanded views, and pin safe to use 5 is positioned, the optimal installation of safety pin
Position is between two adjacent and relative Buffer Units, under non-earthquake state, safety pin locking, ensures above-mentioned first to the
Geo-stationary between three plates, earthquake early period of origination, safety pin are fractureed, and are original state, and this fit system can be formed quickly
Start-up mode, be advantageous to the relative startup slided of the first plugboard and the second plugboard
In order that obtaining dedicated shock-proof bearing has dust-proof effect, between the first plate and the second plate and the plate of the second plate the 3rd
It is packaged using seal sleeve 6, forms a kind of dustless structure.
When earthquake occurs, safety pin can be cut in the presence of horizontal shear force, the first plugboard and the second grafting
A kind of relative slip can be formed between plate, at the initial stage of slip, in the brake block meeting and the second plugboard on the first plugboard 12
Smooth position coordinates to refer to figure 4, and frictional force during startup is smaller, it is possible to achieve quick startup, avoid it is stuck, simultaneously as on
It is multigroup arranged in a crossed manner between the first plugboard and the second plugboard stated, and between the 3rd plugboard and the 4th plugboard
, rigidity, stability and tilting moment are all fine, safety requirements, after first, second plugboard starts and slided, and then, the
First, the brake block on the second plugboard starts to contact, and forms sliding friction, due to just starting, the brake block on two plugboards
Contact area is smaller, from friction formula, now accelerates larger, relative slide is still within boost phase, works as brake block
It is overlapping it is more than half after, due between brake block frictional force increase, have a speed-down action, and largely consume seismic energy
Amount, after the brake block on equivalent plugboard completely disengages, speed-down action is completed, during due to earthquake, the amplitude of horizontal direction is general
It is larger, into next cycle, in the process, ensure to be used in acceleration repeatedly between the plugboard of both sides and slowed down
Journey, wherein acceleration a form pulse pattern, positive and negative reciprocal switching, can be divided into a big seismic amplitude multiple small
Aseismatic bearing Self-oscillation amplitude, and brake block can produce substantial amounts of heat with brake block in friction process, and vibrational energy is carried out
Consumption, consumes the energy of earthquake zone, and effect is significantly larger than usually used spring, butterfly spring etc..Simultaneously by the low of earthquake
Panel height amplitude motion, switch to the frequency low-amplitude of building to act, be advantageous to the self-protection of building, bridge.
The presence of above-mentioned cylindrical roller can ensure the smooth of startup, and avoid between low temperature plugboard and the first plate
Frictional dissipation, plugboard is protected, while there is guide effect, prevent that stuck phenomenon occurs between two adjacent plates,
Actual friction work occurs at brake block.
Above-mentioned aseismatic bearing can be widely used in building, bridge environment in.
Embodiment two,
With reference to figure 8, being deformed as one kind, above-mentioned first Buffer Unit 13 is the hydraulic cylinder of internal oil passages closing,
That is, hydraulic cylinder body is fixed on the first plate and the 3rd plate, and be arranged in pairs, form a resistance in hydraulic cylinder after oil circuit closing
Buddhist nun's structure, can to the left and right of bearing, slide back and forth position and carry out spacing and buffering.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, various changes of the relevant technical staff in the field to the present invention
Shape and improvement, it all should expand as determined by claims of the present invention in protection domain.