CN106285145A - A kind of three-dimensional shock isolation support that can regulate vertical rigidity in early days - Google Patents
A kind of three-dimensional shock isolation support that can regulate vertical rigidity in early days Download PDFInfo
- Publication number
- CN106285145A CN106285145A CN201610902524.9A CN201610902524A CN106285145A CN 106285145 A CN106285145 A CN 106285145A CN 201610902524 A CN201610902524 A CN 201610902524A CN 106285145 A CN106285145 A CN 106285145A
- Authority
- CN
- China
- Prior art keywords
- cable wire
- precompressed cable
- bearing
- tensioning
- precompressed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of three-dimensional shock isolation support that can regulate vertical rigidity in early days, this three-dimensional shock isolation support includes laminated rubber damping bearing and the vertical earthquake isolating bearing being sequentially connected in series up and down；It is characterized in that, it is additionally provided with backpressure device in the fairlead of described vertical earthquake isolating bearing, this backpressure device includes two groups of precompressed cable wires and two pieces of floating platens, wherein, two groups of described precompressed cable wires are distributed between cylindrical rubber elastomer and fairlead, and, of one group of precompressed cable wire is separately fixed on the floating platen adjacent with driving pressing plate, and other end is each passed through the floating platen adjacent with base and is anchored on base by cable wire self-locking tensioning anchorage；One of another group precompressed cable wire is separately fixed on the floating platen adjacent with base, and other end is each passed through the floating platen adjacent with driving pressing plate and is anchored on driving pressing plate by cable wire self-locking tensioning anchorage；By two groups of described precompressed cable wire tensionings, cylindrical rubber elastomer is made to be clamped in all the time between two pieces of floating platens.
Description
Technical field
The present invention relates to a kind of building vibration proof (or vibrations) device, be specifically related to one by laminated steel and rubber pillow with perpendicular
Three-dimensional isolation device to shock isolating pedestal series connection.
Background technology
Earthquake isolating equipment is the shockproof isolating device being located between building and basis.Earthquake isolating equipment in early days is mainly by rubber
The two-dimentional shock isolating pedestal (laminated rubber damping bearing) being superimposed to form with sheet metal, can only the level of seismic wave isolator divide
Amount.The raising recognized earthquake Multi-attributes along with people, three-dimensional isolation device is gradually paid attention to by this area researcher.?
Common three-dimensional isolation device is exactly to be in series with existing vertical earthquake isolating bearing by laminated rubber damping bearing.
The application for a patent for invention of Publication No. CN 102409777 A discloses a kind of structure three-dimensional shock insulation and antidumping dress
Putting, the main body mechanism of this device is in series with spring shock-proof bearing 15 by laminated rubber damping bearing 14, described agent structure
Upper and lower side be respectively arranged with upper junction plate 1 and lower connecting plate 18, it is characterised in that: described upper junction plate 1 and lower connecting plate 18
Between be provided with around the agent structure surrounding uniform tensile steel wire rope 16 of dislocation, described tensile steel wire rope 16 pole in the horizontal direction
Limit deflection is more than the horizontal shear elastic deformation amount of main body mechanism.Although scheme can improve three-dimensional isolation described in this patent application
The tensile strength of device, waves, with resist earthquake middle-high building thing, the produced huge pulling force that even topples, but still deposits
Deficiency following: 1, described spring shock-proof bearing can only compress energy-dissipating and shock-absorbing, it is impossible to stretching energy-dissipating and shock-absorbing；2, described bullet
Spring shock isolating pedestal can not preset rigidity in early days, is not easy to preset earthquake intensity and reduces shock insulation cost.
The application for a patent for invention of Publication No. CN1932324A discloses one, and " adjustable disc-shape spring mechanical damping hinders
Buddhist nun's device ", this antivibrator includes shell, sets load connecting rod in the enclosure and two groups of disk springs, described, and described load connects
The middle part of bar is provided with the regulation gear being connected therewith, the load connecting rod of described regulation gear both sides is respectively equipped with load even
The left-handed nut of extension bar threaded engagement and right-handed nut, described two groups of disk springs are respectively provided at described left-handed nut and dextrorotation spiral shell
Female outside, and be clamped in respectively between described left-handed nut or right-handed nut and the shrouding of outer casing end.Switch is only needed to carry
Regulation gear in lotus connecting rod, makes described left-handed nut and right-handed nut mutually draw close or away from i.e. two groups of dish bullets of scalable
The pretightning force of spring thus the damped coefficient of damping adjusting device, to meet the use demand of different frequency and various amplitude.But should
Invention still has following deficiency: 1, described load connecting rod is to keep balance under the common effect of two groups of disk springs, and two
Although the pretightning force of group disk spring can regulate, but in any case regulation, two groups of disk springs work to load connecting rod
It is firmly all one group of power equal in magnitude, in opposite direction, only need to apply any external force in load connecting rod and all can destroy this
Balance, makes two groups of disk springs deform, so described antivibrator cannot preset rigidity in early days；2, this invention must be joined
Closing and use two groups of disk springs, could all be provided damping when load is pressed or drawn to antivibrator, this not only causes certain
Waste, also makes the length of antivibrator greatly increase.
The application for a patent for invention of Publication No. CN101457553A discloses one, and " spring stiffness adjustable tuning quality subtracts
Shake device ", this vibroshock is a kind of composite buffer, changes its characteristic frequency by changing the thickness of mass, viscous by changing
The flow of the working media of stagnant antivibrator changes its damping ratio, changes its rigidity by the effective active length changing spring, its
The means of effective active length of middle change spring have three kinds, and one is use curing materials that spring is positioned at solidification cylinder one section
Solidification, two toward constraint block of filling in intracardiac in helical spring, and the two interference fit, makes the one section of spring contacted with constraint block
Losing efficacy, three is in constraint block surface configuration helical raised, helical raised is stuck between spring wire, makes to block between spring wire
There is one section of spring failure of helical raised.As can be seen here, although the spring in this patent application scheme can change rigidity, but institute
The spring stated not only effectively active length substantially shortens, and can only compress passive energy dissipation, it is impossible to stretching passive energy dissipation.
Summary of the invention
The technical problem to be solved is to provide a kind of three-dimensional shock isolation support that can regulate vertical rigidity in early days, should
The most compressible passive energy dissipation of three-dimensional shock isolation support, the most stretchable passive energy dissipation, but also maintain in vertical earthquake isolating bearing
Effective active length of spring.
The present invention solves the technical scheme of above-mentioned technical problem:
A kind of can the three-dimensional shock isolation support of the vertical rigidity in early days of regulation, this three-dimensional shock isolation support includes being sequentially connected in series up and down
Laminated rubber damping bearing and vertical earthquake isolating bearing；Wherein,
Described laminated rubber damping bearing includes upper junction plate, lower connecting plate, is clamped in be vertically connected with between plate folded
Layer rubber blanket and at least three tension cable wires being distributed on laminated rubber bearing surrounding；One company of being fixed on of described tension cable wire
On fishplate bar, other end is fixed on lower connecting plate, and the line of upper and lower two fixing points is parallel to the axis of described laminated rubber bearing
Line；
Described vertical earthquake isolating bearing includes base, and the upper surface of this base is provided with upwardly extending fairlead；Described lead
Being coaxially provided with spring to set inside, the top of this spring is provided with driving pressing plate；The lower connection of described laminated rubber damping bearing
The middle part of plate forms a projection to described fairlead sunken inside, and the lower end of this projection is fixing with described driving pressing plate to be connected；
It is characterized in that,
Described spring is cylindrical rubber elastomer, and the external diameter of this cylindrical rubber elastomer is interior less than fairlead
Footpath, forms therebetween an annular space；
Being additionally provided with backpressure device in the fairlead of described vertical earthquake isolating bearing, this backpressure device includes that quantity is at least respectively
Two groups of precompressed cable wires of three, two pieces of floating platens and quantity are the cable wire self-locking tensioning of described two groups of precompressed cable wire quantity sums
Anchorage, wherein,
Two pieces of described floating platens, one piece is located between described driving pressing plate and cylindrical rubber elastomer, another block
It is located between base and cylindrical rubber elastomer；
Described cable wire self-locking tensioning anchorage is by the first self-centering locking fixture, the second self-centering locking fixture, anti-torsion pressure
Contracting spring and plane bearing composition, wherein:
A) the first self-centering locking fixture described in has a connecting seat, and the middle part of this connection seat one end is provided with axially extending
Cylindrical boss, the internal of this boss is provided with the first taper jaw being made up of 3～5 claw sheets, periphery surface cover along axial line
It is provided with tensioning swivel nut；Wherein, the microcephaly of described first tapered clamp points to connection seat, and the outer peripheral face of described tensioning swivel nut is positive six limits
Shape；
B) the second self-centering locking fixture described in has a tapered sleeve, and the internal of this tapered sleeve is sequentially provided with by 3～5 along axis
Second taper jaw and hollow bolt of claw sheet composition, wherein, the head of described hollow bolt and the second taper jaw
Major part is relative, and the outer peripheral face of described tapered sleeve is regular hexagon；
C) plane bearing described in is by the ball retainer assembly end face relative with tapered sleeve with being respectively provided at tensioning swivel nut
On ring raceway constitute, wherein said ring raceway matches with the ball in ball retainer assembly；
D) described second self-centering locking fixture is positioned at the outside of described tensioning swivel nut head, and the second taper jaw microcephaly
Sensing with the first taper jaw microcephaly is consistent；Described plane bearing is between described tensioning swivel nut and tapered sleeve, described
Anti-torsion compression spring is located in the endoporus of tensioning swivel nut；Compression is turned round through anti-between precompressed cable wire is by the calvus of the first taper jaw
After passing between the calvus of spring and the centre bore of plane bearing and the second taper jaw, under precompressed cable tension effect,
One of described anti-torsion compression spring acts on the first taper jaw, and other end acts on tapered sleeve；
Two groups of described precompressed cable wires are symmetrically distributed in described annular space rotating around the axis of fairlead with linear state
In, and, of one group of precompressed cable wire is separately fixed on the floating platen adjacent with driving pressing plate, other end be each passed through with
The floating platen that base is adjacent is anchored on base by described cable wire self-locking tensioning anchorage；One point of another group precompressed cable wire
Not being fixed on the floating platen adjacent with base, other end is each passed through the floating platen adjacent with driving pressing plate by described
Cable wire self-locking tensioning anchorage is anchored on driving pressing plate；
It is being respectively equipped with the through hole through this precompressed cable wire through the position of described precompressed cable wire on described floating platen,
The aperture of this through hole is more than the diameter of worn precompressed cable wire；
Dynamic cooperation it is respectively adopted between described fairlead and two pieces of floating platens；
Two groups of precompressed cable wires of tensioning, make the distance between two pieces of floating platens equal to being compressed to by cylindrical rubber elastomer
Preset the length of vertical rigidity in early days；
By described tension cable wire tensioning, provide the precompression equal to design dead load for laminated rubber bearing.
In such scheme, described tension cable wire and precompressed cable wire can be steel wire ropes, it is also possible to be prestressing force steel hinge line.
The operation principle of above-mentioned three-dimensional shock isolation support vertical earthquake isolating is as follows: when vertical dynamic loading is relative along the axis of fairlead
During effect, pressure is delivered to drive pressing plate via laminated rubber damping bearing, is allowed to move down compression cylindrical rubber elastomer；When
During dynamic loading effect opposing along the axis of fairlead, pulling force is delivered to drive pressing plate via tension cable wire, drives and moves on pressing plate, and
Two groups of precompressed cable wires then distinguish two pieces of floating platen relative movement compression cylindrical rubber elastomers of tractive.As can be seen here, axially
Dynamic loading is the most relative or opposing acts on three-dimensional shock isolation support, can compress cylindrical rubber elastomer so that it is occur
Elastic deformation and consume energy.
Hole from the through hole on above-mentioned operation principle, the precompressed cable wire described in work process and described floating platen
Wall can not produce friction, otherwise interferes with moving up and down of floating platen, and the most described through-hole diameter is than described precompressed cable wire
Diameter how many greatly, should be advisable not disturb and to affect moving up and down of floating platen.
The three-dimensional shock isolation support that can regulate vertical rigidity in early days of the present invention, wherein said precompressed cable wire is fixed on
On floating platen one can use the method anchoring of routine, it is possible to uses and is similar to lifting bolt or by the U-shaped of bar bending
Component system connects fixing.
For preventing described cylindrical rubber elastomer two from sliding on described floating platen, another of the present invention improves
Scheme is: be respectively equipped with a locating ring, the two of described cylindrical rubber elastomer on the surface that described two pieces of floating platens are relative
Head is embedded in described locating ring respectively.
The three-dimensional shock isolation support relatively prior art that can regulate vertical rigidity in early days of the present invention has the effect that
(1) in the vertical direction, the most compressible energy-dissipating and shock-absorbing, the most stretchable energy-dissipating and shock-absorbing；Can build by effective depletion high level
Build the huge pulling force that building foundation is produced by thing owing to waving；And only needing a spring, vertical extension is little, good stability.
(2) after vertical dynamic loading is more than the defensive ability/resistance ability of the vertical rigidity in early days preset, in the present invention, vertical earthquake isolating props up
The bidirectional elastic deformation symmetry of seat, does not the most affect the effect of its compression power consumption because of the change of the positive negative direction of vertical load
Really；
(3) as long as the length changing two groups of precompressed cable wires can change the vertical rigidity in early days of whole device, external force gram
Shock isolating pedestal cannot be made to produce vertical deformation before taking this vertical rigidity in early days, effectively inhibit building at small earthquake and weak
Under the effect that wind shakes, generation is rocked, the shockproof grade of wind resistance of predeterminable building, significantly reduces the shockproof cost of wind resistance；
(4), during presetting early stage rigidity, effective active length of described cylindrical rubber elastomer is constant, will not change
The original characterisitic parameter of cylindrical rubber elastomer.
(5) using the anchoring of cable wire self-locking tensioning anchorage by the other end of precompressed cable wire, one is can be to the length of precompressed cable wire
Being adjusted, two is to utilize anti-torsion compression spring and the synergy of the first self-centering locking fixture, can effectively prevent pre-compressed steel
Rope twists during carrying out length adjustment and changes the characterisitic parameter of cable wire.
(6) thing that can effectively buffer building rocks stretching and the compression shock that building basis is produced by trend, further
Reduce the risk that building topples.
Accompanying drawing explanation
Fig. 1～7 is the structural representation of a specific embodiment of three-dimensional shock isolation support of the present invention, and wherein, Fig. 1 is
Front view (section view), Fig. 2 is the A-A sectional view of Fig. 1, and Fig. 3 is the B-B sectional view of Fig. 1, and Fig. 4 is C-C sectional view, and Fig. 5 is Fig. 1
The enlarged drawing of middle local I, Fig. 6 is the enlarged drawing of local II in Fig. 1, and Fig. 7 is the enlarged drawing of local III in Fig. 1.
Fig. 8～12 is Fig. 1～the structural representation of cable wire self-locking tensioning anchorage in 7 illustrated embodiments, and wherein, Fig. 8 is main
View (section view), in figure, dotted line represents precompressed cable wire, and Fig. 9 is upward view, and Figure 10 is the D-D profile of Fig. 8, and Figure 11 is Fig. 8's
E-E profile, Figure 12 is the F-F sectional view of Fig. 8.
Figure 13～15 is the structural representation of second specific embodiment of three-dimensional shock isolation support of the present invention, wherein,
Figure 13 is front view (section view), and Figure 14 is the G-G sectional view of Figure 13, and Figure 15 is the H-H sectional view of Figure 13.
Figure 16～18 is the structural representation of the 3rd specific embodiment of three-dimensional shock isolation support of the present invention, wherein,
Figure 16 is front view (section view), and Figure 17 is the I-I sectional view of Figure 16, and Figure 18 is the J-J sectional view of Figure 16.
Detailed description of the invention
Example 1
The three-dimensional shock isolation support seen in Fig. 1, this example is propped up by the laminated rubber damping bearing connected up and down and vertical earthquake isolating
Seat composition.
See Fig. 1 and Fig. 4, described laminated rubber damping bearing includes upper junction plate 14, lower connecting plate 15, be clamped on
Laminated rubber bearing 17 between lower connecting plate and six roots of sensation tension cable wire 16；Wherein, described upper junction plate 14 and lower connecting plate 15
The most in the form of annular discs, the edge of upper junction plate 14 is provided with installing hole 13；The main body of described laminated rubber bearing 17 is by one layer of rubber 17-1
After being superimposed with one layer of steel plate 17-2, molded vulcanization is constituted, and its periphery self-assembling formation rubber is protected during molded vulcanization
Sheath 17-3.The both ends of the surface up and down of described laminated rubber bearing 17 main body are equipped with and extremely vulcanize the connection steel plate linked together
17-4, described two pieces of connection steel plate 17-4 are fixed together by screw with upper junction plate 14 and lower connecting plate 15 respectively.
Described six roots of sensation tension cable wire 16 is symmetrically distributed in its surrounding around the axis of laminated rubber bearing 17, each tension cable wire 16
One is fixed on upper junction plate 14 by lifting bolt 12, and other end is fixed on lower connecting plate 15 by lifting bolt 12.Each
Root tension cable wire 16 tensioning, makes the design that the tension force sum of six roots of sensation tension cable wire 16 is vertical equal to three-dimensional shock isolation support described in this example
After dead load, and tensioning, each tension cable wire 16 is each parallel to the axis of laminated rubber bearing 17.
Seeing Fig. 1～7, described vertical earthquake isolating bearing includes fairlead 1, base 3, cylindrical rubber elastomer 4 and back-pressure
Device.
Seeing Fig. 1～3, described fairlead 1 is circular tube shaped, and its upper end is to the annular envelope being provided with spacing and guide effect
Lid 2.The middle part of described base 3 is upwards swelled in inverted washbowl shape, and the edge of surrounding is provided with installing hole 13, described guiding
Overlap the upper surface that 1 lower end is fixed by screws in the middle part of its protuberance.
Seeing Fig. 1～3, described cylindrical rubber elastomer 4 is by one piece of cylindrical solid rubber block 4-1 and is located at solid
The two end plates 4-2 composition at block rubber two ends, described two end plates 4-2 is connected with two sulfuration of solid rubber block 4-1 respectively
Together.Described cylindrical rubber elastomer 4 is coaxially located in fairlead 1, and the upper end of this cylindrical rubber elastomer 4 is provided with
With the described dynamic driving pressing plate 5 coordinated of fairlead 1.The external diameter of described cylindrical rubber elastomer 4 is less than the internal diameter of fairlead 1,
Form an annular space between.The middle part of described lower connecting plate 15 forms teacupful shape to described fairlead 1 sunken inside
Protruding 15-1, the lower end of this projection 15-1 is fixed together by screw with described driving pressing plate 5.
See Fig. 1, between lower connecting plate 15 and annular capping 2, be provided with the gap more than amplitude
See Fig. 1～7, in described fairlead 1, be provided with backpressure device, this backpressure device include two groups of precompressed cable wires, two
Block floating platen and eight cable wire self-locking tensioning anchorages 19；Wherein, two groups of described precompressed cable wires are by three precompressed cable wire groups
The first group of precompressed cable wire 8 become and the second group of precompressed cable wire 9 being made up of five precompressed cable wires；Two pieces of described floating platens are
The first floating platen 6 of being located between described driving pressing plate 5 and cylindrical rubber elastomer 4 and be located at base 3 and cylindrical rubber
The second floating platen 7 between glue elastomer 4, these two pieces of floating platens are dynamic with the inwall of fairlead 1 respectively to be coordinated；
Seeing Fig. 8～12, each cable wire self-locking tensioning anchorage 19 is by the first self-centering locking fixture, the second self-centering locking
Fixture, anti-torsion compression spring 19-1 and plane bearing 19-2 composition, wherein:
The first described self-centering locking fixture has a connecting seat 19-3, and the edge of this connection seat 19-3 is provided with installing hole
19-12, the middle part of lower end is provided with axially extended cylindrical boss 19-4, and the internal of this boss 19-4 is provided with first along axial line
Taper hole 19-5, is provided with the first taper jaw 19-7 being made up of 3 claw sheets in this taper hole, the outer peripheral face of described boss 19-4 is sheathed
There is tensioning swivel nut 19-6, the most threaded；Wherein, the microcephaly of described first tapered clamp 19-7 points to connection seat 19-3,
The outer peripheral face of described tensioning swivel nut 19-6 is regular hexagon；
The second described self-centering locking fixture has a tapered sleeve 19-8, internal being sequentially provided with along axis of this tapered sleeve 19-8
One section of second taper hole 19-13 and one section of screwed hole；Wherein, it is provided with, in the second taper hole 19-13, the second taper being made up of 3 claw sheets
Jaw 19-9, is provided with head and the second taper jaw 19-of hollow bolt 19-10, hollow bolt 19-10 in described screwed hole
The major part of 9 is relative, and the outer peripheral face of described tapered sleeve 19-8 is regular hexagon；
Described plane bearing 19-2 is by ball retainer assembly 19-11 and is respectively provided at tensioning swivel nut 19-6 and tapered sleeve
Ring raceway on the end face that 19-8 is relative is constituted, in wherein said ring raceway and ball retainer assembly 19-11
Ball matches；
Described second self-centering locking fixture is positioned at the outside of tensioning swivel nut 19-6 head, and the second taper jaw 19-9
Microcephaly is consistent with the sensing of the first taper jaw 19-7 microcephaly；Described plane bearing 19-2 be positioned at described tensioning swivel nut 19-6 with
Between tapered sleeve 19-8, described anti-torsion compression spring 19-1 is located in the endoporus of tensioning swivel nut 19-6.When precompressed cable wire is by first
Through centre bore and second tapered clamp of anti-torsion compression spring 19-1 and plane bearing 19-2 between the calvus of taper jaw 19-7
After passing between the calvus of pawl 19-9, under precompressed cable tension effect, one of described anti-torsion compression spring 19-1 acts on
On first taper jaw 19-7, other end acts on tapered sleeve 19-8.
Seeing Fig. 1～7, described two groups of precompressed cable wires are distributed in described with linear state respectively around fairlead 1 axisymmetrical
In annular space, each precompressed cable wire is each parallel to fairlead 1 axis, and first group of precompressed cable wire 8 is away from fairlead axis
Distance is equal to second group of precompressed cable wire 9 distance away from fairlead axis；Wherein, the following of described first group of precompressed cable wire 8 is respectively
Being fixed on the second floating platen 7 by lifting bolt 12, top is each passed through the first floating platen 6 by a cable wire self-locking tensioning
Anchorage 19 is anchored on described driving pressing plate 5；The top of described second group of precompressed cable wire 9 is fixed on by lifting bolt 12 respectively
On one floating platen 6, following is anchored on the base 3 through the second floating platen 7 by a cable wire self-locking tensioning anchorage 19；Described
The position passed at each first group of precompressed cable wire 8 on first floating platen 6 is provided with for its first through hole 10 passed through, and this is the years old
The aperture of one through hole 10 is more than the diameter of described first group of precompressed cable wire 8；On described driving pressing plate 5, at each first group
Precompressed cable wire 8 is equipped with the first anchor hole 5-1 anchoring this first group of precompressed steel wire rope 8 through position.Described second floats presses
The position passed at each second group of precompressed cable wire 9 on plate 7 is provided with for its second through hole 11 passed through, this second through hole 11
Aperture is more than the diameter of described second group of precompressed cable wire 9；On described base 3, at each second group of precompressed cable wire 9 through position
Put the second anchor hole 3-1 being equipped with second group of precompressed steel wire rope 9 of anchoring.Described tension cable wire and precompressed cable wire are by suspension ring spiral shell
The method that nail is fixed in respective members is: be fixed on corresponding component by lifting bolt 12, then by the one of precompressed cable wire
Head system is connected on the suspension ring of lifting bolt, and fixing dead by rope cramp (being not drawn in figure).
See Fig. 1, the connection seat 19-3 of described cable wire self-locking tensioning anchorage 19 and be fixed on the lower surface of base 3 by screw
Or drive the upper surface of pressing plate 5.Wherein it is fixed on top and the annular of the cable wire self-locking tensioning anchorage 19 driving pressing plate 5 upper surface
It is provided with the gap more than amplitude between capping 2.
Described tension cable wire and precompressed cable wire in this example can be steel wire ropes, it is also possible to be prestressing force steel hinge line, tool
When body is implemented, can choose the most voluntarily.
Seeing Fig. 1～3 and Fig. 6, the surface that described first floating platen 6 is relative with the second floating platen 7 is equipped with internal diameter
The locating ring 18 matched with the end plate 4-2 external diameter of cylindrical rubber elastomer 4, described cylindrical rubber elastomer 4 two
End plate 4-2 is embedded in the locating ring 18 on the first floating platen 6 and the second floating platen 7 respectively.
See Fig. 1～3, in order to realize the purpose of predeterminable vertical early stage rigidity, above-mentioned three-dimensional shock isolation support installation method
As follows: (1) first according to vertical rigidity and the characterisitic parameter of cylindrical rubber elastomer 4 in early days preset, calculates cylindrical rubber
Glue elastomer 4 meets length during vertical rigidity in early days；(2) press Fig. 1 by the cylindrical rubber elastomer 4 of vertical earthquake isolating bearing,
Backpressure device and driving pressing plate 5 assemble, and make the other end of each precompressed cable wire from corresponding cable wire self-locking tensioning anchorage 19
The first taper jaw 19-7, the second taper jaw 19-9 and hollow bolt 19-10 centre bore in pass；Then, (3) are dew
The fag end system of the precompressed cable wire gone out is connected on traction stretching machine, and monitors cylindrical rubber elastomer 4 while traction stretch-draw
Decrement (being stretch-draw distance), in order to determine the distance between two pieces of floating platens；Between two pieces of floating platens away from
From equal to when cylindrical rubber elastomer 4 is compressed to the length meeting vertical rigidity in early days, move forward the second self-centering lock
Clamper, simultaneously regulation turn tensioning swivel nut 19-6 so that plane bearing 19-2 be clamped tightly at described tensioning swivel nut 19-6 with
Between tapered sleeve 19-8, and anti-torsion compression spring 19-1 is compressed, and tension force produced by it promotes the first taper jaw 19-7 reach
Precompressed cable wire is clamped, turns described hollow bolt 19-10 thereafter and will be located in precompressed cable wire folder in the second taper jaw 19-9
Extremely；Hereafter, remove traction stretching machine, block unnecessary precompressed cable wire, cylindrical rubber elastomer 4 can be clamped in two all the time
Between block floating platen；(4) parts obtained in the previous step are inserted in fairlead 1, then load onto annular capping 2 and laminated rubber successively
The lower connecting plate 18 of shock isolating pedestal；(5) finally by Fig. 1 and 4 miscellaneous part of laminated rubber damping bearing is arranged on described under
The top of connecting plate 18, obtains described three-dimensional isolation device.
When presetting vertical rigidity in early days, the tension force sum of two groups of precompressed cable wires need to be more than or equal to described three-dimensional isolation device institute
The erect static load lotus born.
See Fig. 1 and Fig. 8～12, in the work progress installing antivibrator or in routine maintenance procedure, if it find that certain
The tension force of precompressed cable wire is not enough, and the tensioning swivel nut 19-6 that can turn in cable wire self-locking tensioning anchorage 19 is adjusted.
Under ideal conditions, the vertical ripple of earthquake should be unable to be occurred by earthquake isolating equipment building when building is transmitted
Displacement.Based on this, the operation principle of this example three-dimensional shock isolation support vertical earthquake isolating is as follows: see Fig. 1, when the vertical ripple of earthquake is produced
When raw dynamic loading overcomes described vertical early stage rigidity, if this dynamic loading pushes away base 3 along the axis of fairlead 1, drive
The counteracting force of pressing plate 5 compresses downwards cylindrical rubber elastomer 4, and building is motionless with shifting on ground for base 3；If should
Dynamic loading is along the drop-down base of axis 3 of fairlead 1, described two groups of precompressed cable wires two pieces of floating platen relative movement pressures of tractive respectively
Contracting cylindrical rubber elastomer 4, base 3 is then away from driving pressing plate 5 to move down with ground, and now building is the most motionless.Thus
Visible, when P wave makes ground generation up-down vibration, the most compressible cylindrical rubber elastomer produces elastic deformation and consumes
Energy.In like manner, no matter described three-dimensional shock isolation support, when wind shakes or rocks under the effect of flatly seismic wave, is produced by building by it
Dynamic loading be that pulling force or pressure the most compressible cylindrical rubber elastomer produce elastic deformation and consume energy.
Example 2
This example and example 1 have to be distinguished as follows:
See Figure 13～15, described first group of precompressed cable wire 8 and second group of precompressed cable wire 9 by three precompressed cable wire groups
Become.The quantity of described cable wire self-locking tensioning anchorage 19 is six, is respectively used to the other end of fixing each precompressed cable wire.
See Figure 13, for increase cylindrical rubber elastomer 4 bearing capacity, prevent its due to axial length excessive and
Horizontal direction unstability, the cylindrical rubber elastomer 4 in this example is the most folded by two-layer solid rubber block 4-1 and one layer of steel plate 4-3
Closing sulfuration and connect formation elastomer, the two ends of elastomer are provided with end plate 4-2.
This example is above-mentioned same as Example 1 with implementation.
Example 3
Seeing Figure 16～18, this example is described first group of precompressed cable wire 8 and second group of precompressed cable wire 9 with the difference of example 2
By five precompressed cable wire compositions.The quantity of described cable wire self-locking tensioning anchorage 19 is ten, is respectively used to fixing each
The other end of precompressed cable wire.
This example other embodiment other than the above is same as Example 2.
Claims (3)
1. can regulate a three-dimensional shock isolation support for vertical rigidity in early days, this three-dimensional shock isolation support includes that be sequentially connected in series up and down folds
Layer rubber earthquake isolation support and vertical earthquake isolating bearing；Wherein,
Described laminated rubber damping bearing includes upper junction plate, lower connecting plate, is clamped in the lamination rubber being vertically connected with between plate
Rubber cushion and at least three tension cable wires being distributed on laminated rubber bearing surrounding；One of described tension cable wire is fixed on upper junction plate
On, other end is fixed on lower connecting plate, and the line of upper and lower two fixing points is parallel to the axis of described laminated rubber bearing；
Described vertical earthquake isolating bearing includes base, and the upper surface of this base is provided with upwardly extending fairlead；Described fairlead
Inside is coaxially provided with spring, and the top of this spring is provided with driving pressing plate；The lower connecting plate of described laminated rubber damping bearing
Middle part forms a projection to described fairlead sunken inside, and the lower end of this projection is fixing with described driving pressing plate to be connected；
It is characterized in that,
Described spring is cylindrical rubber elastomer, the external diameter of this cylindrical rubber elastomer less than the internal diameter of fairlead, two
An annular space is formed between person；
Being additionally provided with backpressure device in the fairlead of described vertical earthquake isolating bearing, this backpressure device includes quantity at least three respectively
The cable wire self-locking tensioning anchor that two groups of precompressed cable wires, two pieces of floating platens and quantity are described two groups of precompressed cable wire quantity sums
Tool, wherein,
Two pieces of described floating platens, one piece is located between described driving pressing plate and cylindrical rubber elastomer, and another block is located at
Between base and cylindrical rubber elastomer；
Described cable wire self-locking tensioning anchorage is by the first self-centering locking fixture, the second self-centering locking fixture, anti-torsion compression bullet
Spring and plane bearing composition, wherein:
A) the first self-centering locking fixture described in has a connecting seat, and the middle part of this connection seat one end is provided with axially extended circle
Cylindrical end tangs, the internal of this boss is provided with the first taper jaw being made up of 3～5 claw sheets along axial line, and outer peripheral face is arranged with
Tensioning swivel nut；Wherein, the microcephaly of described first tapered clamp points to connection seat, and the outer peripheral face of described tensioning swivel nut is regular hexagon；
B) the second self-centering locking fixture described in has a tapered sleeve, and the internal of this tapered sleeve is sequentially provided with by 3～5 claws along axis
Second taper jaw and hollow bolt of sheet composition, wherein, the head of described hollow bolt and the major part of the second taper jaw
Relatively, the outer peripheral face of described tapered sleeve is regular hexagon；
C) plane bearing described in is by the ball retainer assembly end face relative with tapered sleeve with being respectively provided at tensioning swivel nut
Ring raceway is constituted, and wherein said ring raceway matches with the ball in ball retainer assembly；
D) described second self-centering locking fixture is positioned at the outside of described tensioning swivel nut head, and the second taper jaw microcephaly and the
The sensing of one taper jaw microcephaly is consistent；Described plane bearing between described tensioning swivel nut and tapered sleeve, described anti-torsion
Compression spring is located in the endoporus of tensioning swivel nut；Through anti-torsion compression spring between precompressed cable wire is by the calvus of the first taper jaw
And it is after passing between the calvus of the centre bore of plane bearing and the second taper jaw, under precompressed cable tension effect, described
One of anti-torsion compression spring acts on the first taper jaw, and other end acts on tapered sleeve；
Two groups of described precompressed cable wires are symmetrically distributed in described annular space with linear state rotating around the axis of fairlead,
And, of one group of precompressed cable wire is separately fixed on the floating platen adjacent with driving pressing plate, and other end is each passed through and the end
The adjacent floating platen of seat is anchored on base by described cable wire self-locking tensioning anchorage；One difference of another group precompressed cable wire
Being fixed on the floating platen adjacent with base, other end is each passed through the floating platen adjacent with driving pressing plate by described steel
Suo Zisuo tensioning anchorage is anchored on driving pressing plate；
Being respectively equipped with the through hole through this precompressed cable wire through the position of described precompressed cable wire on described floating platen, this leads to
The aperture in hole is more than the diameter of worn precompressed cable wire；
Dynamic cooperation it is respectively adopted between described fairlead and two pieces of floating platens；
Two groups of precompressed cable wires of tensioning, make the distance between two pieces of floating platens equal to being compressed to preset by cylindrical rubber elastomer
The length of vertical rigidity in early days；
By described tension cable wire tensioning, provide the precompression equal to design dead load for laminated rubber bearing.
A kind of three-dimensional shock isolation support that can regulate vertical rigidity in early days the most according to claim 1, it is characterised in that described
Tension cable wire and precompressed cable wire be steel wire rope or prestressing force steel hinge line.
A kind of three-dimensional shock isolation support that can regulate vertical rigidity in early days the most according to claim 1 and 2, it is characterised in that
Being respectively equipped with a locating ring on the surface that described two pieces of floating platens are relative, two of described cylindrical rubber elastomer is the most embedding
In described locating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610902524.9A CN106285145B (en) | 2016-10-17 | 2016-10-17 | Three-dimensional shock insulation support capable of adjusting vertical early rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610902524.9A CN106285145B (en) | 2016-10-17 | 2016-10-17 | Three-dimensional shock insulation support capable of adjusting vertical early rigidity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106285145A true CN106285145A (en) | 2017-01-04 |
| CN106285145B CN106285145B (en) | 2020-11-13 |
Family
ID=57718732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610902524.9A Active CN106285145B (en) | 2016-10-17 | 2016-10-17 | Three-dimensional shock insulation support capable of adjusting vertical early rigidity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106285145B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988429A (en) * | 2017-04-10 | 2017-07-28 | 武汉理工大学 | A kind of multiple multidimensional earthquake damping and isolating mechanism |
| CN108104371A (en) * | 2017-12-27 | 2018-06-01 | 易春梅 | A kind of antidetonation beam column based on BIM |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100223A (en) * | 1987-02-07 | 1987-08-12 | 华东建筑设计院 | Prestressed damping spring vibration-reducing apparatus |
| US5881507A (en) * | 1996-07-19 | 1999-03-16 | Korea Atomic Energy Research Institute | Integrated horizontal and vertical seismic isolation bearing |
| CN2837412Y (en) * | 2005-06-09 | 2006-11-15 | 上海环星减振器有限公司 | Displacement-compensation vibration-isolation buffer |
| CN200943268Y (en) * | 2006-09-11 | 2007-09-05 | 广州大学 | Improved tri-dimensional shock insulation device |
| CN201136517Y (en) * | 2007-12-18 | 2008-10-22 | 中国北车集团四方车辆研究所 | Bidirectional buffer for pulling-pressing conversion of elastic body |
| CN103343593A (en) * | 2013-07-25 | 2013-10-09 | 长沙理工大学 | Prestressed-tendon anchor with high accuracy and free adjustment and control functions |
| CN104532834A (en) * | 2014-12-11 | 2015-04-22 | 中铁西北科学研究院有限公司勘察设计分公司 | Energy-dissipation self-adaptive anti-seismic anchor rope structure and implementation method thereof |
| CN105971357A (en) * | 2016-06-02 | 2016-09-28 | 燕山大学 | Piston type SMA-piezoelectric composite variable friction damper |
-
2016
- 2016-10-17 CN CN201610902524.9A patent/CN106285145B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100223A (en) * | 1987-02-07 | 1987-08-12 | 华东建筑设计院 | Prestressed damping spring vibration-reducing apparatus |
| US5881507A (en) * | 1996-07-19 | 1999-03-16 | Korea Atomic Energy Research Institute | Integrated horizontal and vertical seismic isolation bearing |
| CN2837412Y (en) * | 2005-06-09 | 2006-11-15 | 上海环星减振器有限公司 | Displacement-compensation vibration-isolation buffer |
| CN200943268Y (en) * | 2006-09-11 | 2007-09-05 | 广州大学 | Improved tri-dimensional shock insulation device |
| CN201136517Y (en) * | 2007-12-18 | 2008-10-22 | 中国北车集团四方车辆研究所 | Bidirectional buffer for pulling-pressing conversion of elastic body |
| CN103343593A (en) * | 2013-07-25 | 2013-10-09 | 长沙理工大学 | Prestressed-tendon anchor with high accuracy and free adjustment and control functions |
| CN104532834A (en) * | 2014-12-11 | 2015-04-22 | 中铁西北科学研究院有限公司勘察设计分公司 | Energy-dissipation self-adaptive anti-seismic anchor rope structure and implementation method thereof |
| CN105971357A (en) * | 2016-06-02 | 2016-09-28 | 燕山大学 | Piston type SMA-piezoelectric composite variable friction damper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988429A (en) * | 2017-04-10 | 2017-07-28 | 武汉理工大学 | A kind of multiple multidimensional earthquake damping and isolating mechanism |
| CN108104371A (en) * | 2017-12-27 | 2018-06-01 | 易春梅 | A kind of antidetonation beam column based on BIM |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106285145B (en) | 2020-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106285145A (en) | A kind of three-dimensional shock isolation support that can regulate vertical rigidity in early days | |
| CN106499079A (en) | A kind of three-dimensional isolation device of adjustable vertical to early stage rigidity | |
| CN106593052A (en) | Three-dimensional vibration isolation support seat with adjustable vertical initial rigidity | |
| CN106436918A (en) | Three-dimensional shock insulation support capable of presetting vertical early rigidity | |
| CN106381932A (en) | Three-dimensional vibration isolation support with adjustable vertical early-stage rigidity | |
| CN106567461A (en) | Three-dimensional shock isolation support adjustable in vertical initial stiffness | |
| CN106285149A (en) | A kind of three-dimensional isolation device that can regulate vertical rigidity in early days | |
| CN106245803A (en) | A kind of rubber cushion assembly of scalable rigidity in early days | |
| CN106593053A (en) | Three-dimensional vibration isolation support seat capable of presetting vertical initial rigidity | |
| CN106382322B (en) | A kind of complex spring damper of adjustable initial stiffness | |
| CN106545101A (en) | The three-dimensional isolation device that a kind of vertical initial stiffness can be adjusted | |
| CN106286699B (en) | A kind of complex spring damper of adjustable early stage rigidity | |
| CN106499244A (en) | The three-dimensional isolation device that a kind of vertical early stage rigidity can be adjusted | |
| CN106436917A (en) | Three-dimensional seismic isolation bearing capable of adjusting vertical early rigidity | |
| CN106499243A (en) | A kind of three-dimensional shock isolation support of adjustable vertical to early stage rigidity | |
| CN106245782A (en) | The three-dimensional shock isolation support that a kind of vertical early stage rigidity can regulate | |
| CN106286663A (en) | A kind of disk spring antivibrator of scalable rigidity in early days | |
| CN106382318A (en) | Spiral spring damper with early rigidity capable of being adjusted | |
| CN106351353A (en) | Spiral spring damper with adjustable early-period rigidity | |
| CN106381930A (en) | Three-dimensional vibration isolation device capable of presetting vertical initial rigidity | |
| CN106285150A (en) | A kind of energy presets the three-dimensional isolation device of vertical rigidity in early days | |
| CN106285151A (en) | A kind of three-dimensional isolation device of predeterminable vertical early stage rigidity | |
| CN106382317B (en) | A kind of complex spring damper that early stage rigidity is predeterminable | |
| CN106499246B (en) | Three-dimensional shock isolation device with adjustable vertical early rigidity | |
| CN106352002B (en) | A kind of predeterminable disk spring damper of early stage rigidity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |