CN109139786A - A kind of three-dimensional friction-pendulum shock-insulation support with buffering stop block - Google Patents
A kind of three-dimensional friction-pendulum shock-insulation support with buffering stop block Download PDFInfo
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- CN109139786A CN109139786A CN201811294371.XA CN201811294371A CN109139786A CN 109139786 A CN109139786 A CN 109139786A CN 201811294371 A CN201811294371 A CN 201811294371A CN 109139786 A CN109139786 A CN 109139786A
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- chute boards
- double chute
- spring
- upside
- slideway
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- 238000009413 insulation Methods 0.000 title claims abstract description 38
- 230000003139 buffering effect Effects 0.000 title claims abstract description 24
- 230000035939 shock Effects 0.000 claims description 11
- 244000191761 Sida cordifolia Species 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000002955 isolation Methods 0.000 description 7
- 230000035882 stress Effects 0.000 description 7
- 230000006378 damage Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/021—Decoupling of vibrations by means of point-of-contact supports, e.g. ball bearings
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/16—Platform-type show stands with flat, inclined, or curved upper surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
- F16F2238/026—Springs wound- or coil-like
Abstract
A kind of three-dimensional friction-pendulum shock-insulation support with buffering stop block, including bearing sheet, bearing sheet is arranged on the double chute boards in upside by several spring spools, the double chute boards in downside are arranged at the lower part of the double chute boards in upside, the slideway of the double chute boards in upside is located at lower surface, the slideway of the double chute boards in downside is located at upper surface, the slideway of the double chute boards in upside and the slideway direction of the double chute boards in downside are mutually perpendicular to, middle slip device is set between the double chute boards of the double chute boards in upside and downside, the upper and lower surface of middle slip device is provided with several roller balls, it is slided in the slideway of the double chute boards of the double chute boards in upside and downside by roller ball, wherein the double chute boards of the double chute boards in upside and downside are provided with the buffer spring for acting on glide direction；The present invention solves the collision problem at limiting device；Historical relic is avoided simultaneously there is a situation where sliding, and is furthermore provided with the spring spool of removable and replaceable, is convenient for changing the spring of failure.
Description
Technical field
The invention belongs to Techniques of Relics Protection fields, while belonging to shockproof, shock insulation component technology field, in particular to a kind of
Three-dimensional friction-pendulum shock-insulation support with buffering stop block.
Background technique
Earthquake is extremely serious to the destruction of museum's cultural relics in the collection of cultural institution.The antique vibration isolation device researched and developed at present has vertical earthquake isolating dress
It sets, horizontal direction earthquake isolating equipment and three-dimensional isolation device.Wherein, vertical earthquake isolating equipment have parallel rod mono-pendulum type earthquake isolating equipment,
Spring guide formula vertical earthquake isolating equipment, negative rigidity mechanism earthquake isolating equipment, air spring earthquake isolating equipment, constant force spring earthquake isolating equipment
Deng, torsional spring earthquake isolating equipment etc.；Horizontal direction earthquake isolating equipment have friction-pendulum shock-insulation device, sliding pendulum-type Isolating Platform, eccentric roller bearing every
Device, magnetite earthquake isolating equipment, marmem vibration abatement, caster device etc. are shaken, wherein friction-pendulum shock-insulation device again may be used
It is rubbed with being subdivided into single roll shaft friction pendulum, double-roller friction pendulum, roller type friction pendulum, spherical friction pendulum, frequency conversion type friction pendulum, taper
Wipe pendulum；Three-dimensional isolation device has bilinearity spring-ball screw three-dimensional isolation device, three-dimensional friction-pendulum shock-insulation device etc..
In friction-pendulum shock-insulation device, it is all added to limiting device mostly, but it is few in view of slider and limit
The problem of device collides, however when geological process is very big, it is placed on slider and device when close at limiting device
Historical relic speed it is still bigger, when colliding with limiting device, the speed of slider is slowly kept to zero, and historical relic is still protected
Former speed is held, historical relic can be rocked under the action of inertia force and even be toppled at this time, cause the destruction of historical relic.
When earthquake, the motion conditions of slider can be divided into following three kinds: when 1. geological process is smaller, seismic force is less than slideway
Frictional force, earthquake isolating equipment is in antidetonation state at this time.2. geological process is larger, slider starts to slide, in circular arc slideway
Either skew lines section sliding, not up to extreme displacement, device is in shock insulation state at this time, will be transmitted to historical relic by device
Geological process greatly reduces, and historical relic hardly shakes or only slight shaking.3. geological process is very big, slider displacement
Excessive, reach capacity displacement, and slider and historical relic speed are larger at this time, if directly collided with limiting device, slider
Speed moment becomes zero, and the historical relic speed on bearing sheet is still larger, then historical relic can shake very under effect of inertia
To being to topple, damage.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide a kind of with buffering stop block
Three-dimensional friction-pendulum shock-insulation support is provided with the buffering stop block and vertical buffering stop block of horizontal direction, solves well
The collision problem determined at limiting device；It placed bala gutta pad on bearing sheet simultaneously, between rubber pad and other articles
Coefficient of friction 0.5 or more, avoiding historical relic, there is a situation where slide.Furthermore the long-term stress of vertical earthquake isolating main spring is considered
It can deform and performance degradation, the spring spool provided with removable and replaceable are convenient for changing the spring of failure.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of three-dimensional friction-pendulum shock-insulation support with buffering stop block, including bearing sheet 1, bearing sheet 1 pass through several
On the double chute boards 7 in upside, the double chute boards 12 in downside, the double slideways in upside are arranged at the lower part of the double chute boards 7 in upside for spring spool setting
The slideway of plate 7 is located at lower surface, and the slideway of the double chute boards 12 in downside is located at upper surface, the slideway of the double chute boards 7 in upside and downside
The slideway direction of double chute boards 12 is mutually perpendicular to, and middle slip is arranged between the double chute boards 12 of the double chute boards 7 in upside and downside
Device 11, the upper and lower surface of middle slip device 11 are provided with several roller balls, by roller ball in the double chute boards 7 in upside and downside
Sliding in the slideway of double chute boards 12, wherein the double chute boards 12 of the double chute boards 7 in upside and downside are provided with and act on sliding side
To buffer spring.
The upper surface of the bearing sheet 1 is provided with bala gutta pad 2.
The spring spool includes inner sleeve 3 and outer sleeve 6, and inner sleeve 3 moves up and down in outer sleeve 6, inner sleeve 3
Top is connect with the lower surface of bearing sheet 1, and the bottom end of outer sleeve 6 is connect with the upper surface of the double chute boards 7 in upside, inner sleeve 3
Bottom end has horizontal outer edge, and the top of outer sleeve 6 has horizontal inside edge, which matches with the inside edge is combined into
Between the lower surface of position limiting structure, the upper surface of the outer edge and the inside edge, with several uniformly distributed vertical buffer springs 1
Connection.
Built-in vertical earthquake isolating main spring 4 in the inner sleeve 3, the top of vertical earthquake isolating main spring 4 and the following table of bearing sheet 1
Face connection, bottom end are connect with the upper surface of the double chute boards 7 in upside.
The free height of the vertical earthquake isolating main spring 4 is 64mm, allowable load 1698N, rigidity 156.0N/mm；
The free height of single buffer spring 1 is 20mm, allowable load 303N, rigidity 84.6N/mm；Inner sleeve 3 and outer sleeve
6 spacing are 10mm.
The main body mechanism of the double chute boards 7 in the upside be it is rectangular, lower surface surrounding has vertical limit plate, slideway
It is in W-shaped double slideway structures of bottom blunt circle along Y-direction, wherein it is hanging to be connected with several one end on the inside of two limit plates in the Y direction
Buffer spring 2 812, as buffer spring device, on the inside of two limit plates of X-direction by several buffer springs 3 811 connect
Vertical buffer board 1 is connect, buffer unit is formed；
The main body mechanism of the double chute boards 12 in the downside be it is rectangular, upper surface surrounding has vertical limit plate, slides
Road is in W-shaped double slideway structures of bottom blunt circle in X direction, wherein it is outstanding to be connected with several one end on the inside of two limit plates of X-direction
Empty buffer spring 4 821 passes through several buffer springs 5 822 as buffer spring device on the inside of two limit plates in the Y direction
Vertical buffer board 2 102 is connected, buffer unit is formed.
The adjacent spacing of buffer spring 3 811 on same limit plate is 110mm, is arranged symmetrically along midline position；It is same
The adjacent spacing of buffer spring 5 822 on limit plate is 110mm, is arranged symmetrically along midline position；It is slow on same limit plate
The adjacent spacing for rushing spring 2 812 is 100mm, is evenly arranged along limit plate；The phase of buffer spring 4 821 on same limit plate
Adjacent spacing is 100mm, is evenly arranged along limit plate；The buffer spring 2 812, buffer spring 3 811, buffer spring 4 821
The drift of buffer spring 5 822 is 50mm, allowable load 1480N, rigidity 120.4N/mm.
The lower surface of the double chute boards 7 in the upside is provided with connection card slot 9, the flute length direction of connection card slot 9 be X to, and
There is limit plate in Y-direction, it is the connector of T shape that, which there is section on the top of the buffer board 10, and the connector is stuck in the connection card
In slot 9, hangs on the double chute boards 7 in upside, slided in connection card slot 9
The length of the buffer board 1 and buffer board 2 102 is 560mm, buffer board 1 with connect 9 liang of card slot
The spacing of the limit plate on side is 20mm, and highly identical as limit plate with a thickness of 10mm, shape is identical as slideway shape.
Compared with prior art, the beneficial effects of the present invention are:
1, the spring spool being arranged be dismountable, be convenient for changing sleeve it is interior caused due to long-term stress deformation vertically every
Shake the spring that effect reduces.
2, the buffer spring in spring spool can share a part of pressure when stretching for shock insulation main spring, improve shock insulation
The service life of main spring；The relative velocity that inside and outside sleeve can be slowly reduced in compression, prevents inside and outside sleeve from colliding；
When bearing sheet places historical relic, buffer spring is in the state that do not stress, and reduces long-term stress and spring is caused to deform.
3, it is equipped with buffer spring device between the double chute boards of upper and lower sides and middle slip device, can prevents slider from limiting
It is collided caused by place's speed is excessive, reduces the shaking of historical relic on bearing sheet；Simultaneously to middle slip device provide restoring force, reduce by
, slideway radius larger etc. caused by can not reset the problem of excessive in frictional force.
Detailed description of the invention
Fig. 1 is the sectional view of the three-dimensional friction-pendulum shock-insulation support of the present invention.
Fig. 2 is the top view of double chute boards on the downside of the three-dimensional friction-pendulum shock-insulation support of the present invention.
Fig. 3 be on the downside of the three-dimensional friction-pendulum shock-insulation support of the present invention double chute boards along X to sectional view.
Fig. 4 is sectional view of the three-dimensional double chute boards in friction-pendulum shock-insulation support downside of the present invention along Y-direction.
Fig. 5 is the detail of construction of double chute board connectors on the upside of the three-dimensional friction-pendulum shock-insulation support of the present invention.
Fig. 6 is effect schematic diagram of the three-dimensional double chute board X in friction-pendulum shock-insulation support downside of the present invention to buffer spring device.
Fig. 7 is the effect schematic diagram of double chute board Y-direction buffer units on the downside of the three-dimensional friction-pendulum shock-insulation support of the present invention.
Fig. 8 is the sectional view of the spring spool with buffer spring device in the three-dimensional friction-pendulum shock-insulation support of the present invention.
Fig. 9 is the layout drawing of buffer spring in spring spool in the three-dimensional friction-pendulum shock-insulation support of the present invention.
Figure 10 is the inner sleeve of spring spool and the top view of buffer spring in the three-dimensional friction-pendulum shock-insulation support of the present invention.
Figure 11 is the top view of the three-dimensional friction-pendulum shock-insulation support bearing sheet of the present invention.
In figure, bearing sheet 1, bala gutta pad 2, inner sleeve 3, vertical earthquake isolating main spring 4, buffer spring 5, outer sleeve 6, on
The double chute boards 7 in side, buffer spring 8 connect card slot 9, buffer board 10, middle slip device 11, the double chute boards 12 in downside.Note: in figure
The unit of size is mm.
Specific embodiment
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of three-dimensional friction-pendulum shock-insulation support with buffering stop block, including bearing sheet 1, bearing sheet
1 upper surface is provided with bala gutta pad 2.With reference to Figure 11, the size of bala gutta pad 2 is 40cm*40cm*1cm, is placed on
The middle of bearing sheet 1.Bala gutta pad 2 effectively increases the frictional force between historical relic and bearing sheet 1, reduces historical relic hair
The raw possibility rocked, slide and toppled.
Bearing sheet 1 is arranged on the double chute boards 7 in upside by four spring spools, with reference to Fig. 8, Fig. 9 and Figure 10, spring
Sleeve includes inner sleeve 3 and outer sleeve 6, and inner sleeve 3 and 6 spacing of outer sleeve are 10mm, inner sleeve 3 can be in outer sleeve 6 on
The top of lower movement, inner sleeve 3 is connect with the lower surface of bearing sheet 1, the upper table of the double chute boards 7 in the bottom end and upside of outer sleeve 6
Face connection, attachment device are the bolt of four removable and replaceables.The bottom end of inner sleeve 3 has horizontal outer edge, outer sleeve 6
Top have horizontal inside edge, the outer edge and the inside edge prevent relative displacement excessive, lead with position limiting structure is combined into
It causes inside and outside sleeve to be detached from, prevents collision caused by relative velocity is excessive between inside and outside sleeve.The upper surface of the outer edge is interior with this
Between the lower surface at edge, connected with 8 uniformly distributed vertical buffer springs 1, the folder between two neighboring buffer spring 1
Angle is 45.
Built-in vertical earthquake isolating main spring 4 in inner sleeve 3, the top of vertical earthquake isolating main spring 4 and the lower surface of bearing sheet 1 connect
It connects, bottom end is connect with the upper surface of the double chute boards 7 in upside.The free height of vertical earthquake isolating main spring 4 is 64mm, and allowable load is
1698N, rigidity 156.0N/mm；The free height of single buffer spring 1 is 20mm, allowable load 303N, and rigidity is
84.6N/mm；Buffer spring 1 is in natural length after bearing sheet places historical relic, does not almost stress.
After bearing sheet 1 places historical relic, vertical earthquake isolating main spring 4 drives inner sleeve 3 to move down under pressure, makes
Obtaining buffer spring 1 almost is natural length, is not stressed substantially.When being continued to move down by geological process bearing sheet 1, delay
Spring 1 and the common stress of vertical earthquake isolating main spring 4 are rushed, buffer spring 1 shares a part of power, extends the main bullet of vertical earthquake isolating
The service life of spring 4；When bearing sheet 1 moves up and drives inner sleeve 3 mobile, when close to limiting device, buffer spring
One 5 convert the kinetic energy of bearing sheet 1 and inner sleeve 3 to the elastic potential energy of spring, so that 1 speed of bearing sheet is slowly kept to zero,
Prevent inside and outside sleeve from colliding, the shaking for causing historical relic vertical with cast aside.
The double chute boards 12 in downside are arranged at the lower part of the double chute boards 7 in upside, and the slideway of the double chute boards 7 in upside is located at lower surface, under
The slideway of the double chute boards 12 in side is located at upper surface, the slideway direction phase of the slideway and the double chute boards 12 in downside of the double chute boards 7 in upside
Mutually vertical, i.e. the slideway of the two is orthogonal.
With reference to Fig. 2, Fig. 3 and Fig. 4, the main body mechanism of the double chute boards 12 in downside be it is rectangular, upper surface surrounding has vertically
Limit plate, slideway is in W-shaped double slideway structures of bottom blunt circle in X direction, wherein connecting on the inside of two limit plates of X-direction
It is connected to the hanging buffer spring 4 821 in several one end, the buffer spring 4 821 as buffer spring device, on same limit plate
Adjacent spacing be 100mm, be evenly arranged along limit plate；Pass through several buffer springs 5 822 on the inside of two limit plates in the Y direction
Vertical buffer board 2 102 is connected, buffer unit is formed, the adjacent spacing of the buffer spring 5 822 on same limit plate is
110mm is arranged symmetrically along midline position.
The double chute boards 7 in upside and the double chute boards 12 in downside are almost the same, and main body mechanism is also rectangular, the equal band of lower surface surrounding
There is a vertical limit plate, slideway is in W-shaped double slideway structures of bottom blunt circle along Y-direction, wherein in two limit plates in the Y direction
Side is connected with the hanging buffer spring 2 812 in several one end, the buffer spring two as buffer spring device, on same limit plate
812 adjacent spacing is 100mm, is evenly arranged along limit plate；Pass through several buffer springs three on the inside of two limit plates of X-direction
The vertical buffer board 1 of 811 connections, forms buffer unit, and the adjacent spacing of the buffer spring 3 811 on same limit plate is
110mm is arranged symmetrically along midline position；
Buffer spring 2 812, buffer spring 3 811, buffer spring 4 821, buffer spring 5 822 drift be
The length of 50mm, allowable load 1480N, rigidity 120.4N/mm, buffer board 1 and buffer board 2 102 is 560mm.
Middle slip device 11 is set between the double chute boards 12 of the double chute board 7 in upside and downside, middle slip device 11 it is upper
Lower surface is provided with 12 roller balls, sliding in the slideway of the double chute boards 12 of the double chute boards 7 in upside and downside by roller ball
It is dynamic.
With reference to Fig. 5, the lower surface of the double chute boards 7 in upside is provided with connection card slot 9, and the flute length direction of connection card slot 9 is X
To, and having limit plate in Y-direction, it is the connector of T shape that, which there is section on the top of the buffer board 10, and connector is stuck in the connection card
In slot 9, hangs on the double chute boards 7 in upside, slided in connection card slot 9.Buffer board 1 is undertaken by middle slip device 11
Gravity, prevent buffer board 1 to be directly placed on middle slip device 11, increase middle slip device 11 friction, reduce it
Isolating affection.In addition, connector is the embedding card slot of interior foreign minister, it is made of stainless steel, intensity high-bearing capacity is big, and interior exterior bayonet slot can be with
Opposite sliding, friction is small between the two.
Buffer board 1 and the spacing for the limit plate for connecting 9 both sides of card slot are 20mm, with a thickness of 10mm, highly with limit
Plate is identical, and shape is identical as slideway shape, generates friction with limit plate when anti-sliding stop, influences the sliding of buffer board 1.
To sum up, the shock isolation system of horizontal direction of the present invention by two orthogonal directions friction pendulum (middle slip device 11 and
Vertical up and down slideway structure) it constitutes, vertical shock isolation system is made of four spring spools, thus constitutes three-dimensional shock insulation
Device.The material of its main supporting member is all stainless steel, sturdy and durable, the remaining part aluminium alloy high using light weight intensity
Material.
With reference to Fig. 6 and Fig. 7, when due to geological process middle slip device 11 at the position that reaches capacity, speed still compares
It is larger, at this time along buffer spring device from X to arrangement can to middle slip device 11 provide buffering, prevent middle slip device 11 with
Limiting device direct collision, so that the historical relic on bearing sheet 1 rocks under the action of inertia force, slides and even topple,
Cause the destruction of historical relic；Buffer spring 2 812, the buffer spring 4 821 being evenly arranged can give the offer pair of middle slip device 11
The cushion effect of title prevents the uneven stress of middle slip device 11 and twists；The buffer spring 2 812 that is arranged symmetrically, buffering
Spring 4 821, to the mobile offer crash protection of 11 opposite direction of middle slip device.
When intermediate slider 11 along X to when moving and being contacted with buffer spring 2 812, squeeze buffering elastic under effect of inertia
Spring 2 812, the kinetic energy of middle slip device 11 are converted to the potential energy of buffer spring 2 812, and 11 speed of middle slip device is slowly kept to
Zero, buffer spring 2 812 starts to restore at this time, provides restoring force to middle slip device 11, prevents middle slip device 11 due to cunning
The problem of can not being resetted caused by road friction is excessive and radius is larger.
Buffer board 1 and buffer board 2 102 are in its natural state 20mm at a distance from middle slip device 11, in guarantee
Between slider 11 it is free to slide；When smaller torsion occurs for intermediate slider 11, can restore under the action of concave slideway；
When larger torsion occurs for intermediate slider 11, buffer unit forced compression provides restoring force to middle slip device 11, keeps its extensive
Multiple normal sliding, preventing middle slip device 11 from twisting reduces the isolating affection of device.
When intermediate slider 11 is moved along Y-direction and contacted with buffer board 2 102, buffer board 2 102 squeezes buffer spring
5 822, the elastic force of buffer spring 5 822 pushes middle slip device 11 to set back at this time, guarantees the normal of middle slip device 11
Sliding, prevents middle slip device 11 from twisting and deviating.
On the whole, the mechanism of action of the present invention are as follows: when geological process is larger, the middle slip device 11 of horizontal direction and perpendicular
To bearing sheet 1 be displaced larger so that speed is still larger when middle slip device 11 and inner sleeve 3 reach spacing place, set at this time
Its speed slowly can be kept to zero by the buffer unit set, and prevent to collide so that historical relic rock even topple with
It casts aside, causes the destruction of historical relic.Bearing sheet 1 significantly reduces historical relic with the bala gutta pad 2 being arranged among historical relic and shakes
The possibility shaken, slide and toppled.
Compared with existing earthquake isolating equipment, the shock isolating pedestal in the present invention has multiple buffering stop blocks, can be effectively
Reduce at the limiting device as it is floating put object inertia collide and caused by rock, slide and even topple, prevent from floating and put object
It destroys；Restoring force can be provided simultaneously, reduce and cause what can not be resetted to ask since frictional force is excessive, slideway radius is larger etc.
Topic；Limit spring device along Y-direction arrangement can prevent middle slip device from twisting, and guarantee middle slip device 11 and slideway
It is in close contact；In addition, the shock isolating pedestal in the present invention has dismountable spring spool, it is convenient for changing aging, elastic force fails
The service life of spring, support is more long.
The double chute boards in upper and lower side of the invention are provided with X to the buffering stop block with Y-direction, when geological process is very big, X
Slider speed can be slowly kept to zero to four buffer spring devices being arranged symmetrically, avoid collision, reduce historical relic
Shaking, while slider being given to provide restoring force, can prevented since slideway friction power is excessive and slideway radius is smaller causes to slide
The problem of dynamic device can not reset；The buffer unit for spring and the buffer board composition that Y-direction is arranged symmetrically provides lateral position to slider
Effect of contraction is moved, prevents slider from lateral twisting occurs, reduces the effect of device friction isolation；In upside, double chute board X are to setting
The buffer board set is connected with the bottom of the double chute boards in upside by the embedding card slot of interior foreign minister, so that buffer board is suspended on upside pair
On chute board, weight is undertaken by slider, and buffer board is avoided to contact with slider, reduces the friction of slider, guarantees sliding
The isolating affection of device.The buffer spring being arranged in Vertical Spring sleeve, can prevent between inside and outside sleeve that relative velocity is excessive to be made
At collision, reduce historical relic and vertical casts aside occur；After placing article on bearing sheet, shock insulation main spring forced compression is driven
Inside and outside sleeve relative movement, inside and outside sleeve spacing increase, so that buffer spring is almost in the state of not stressing, extend buffering elastic
The service life of spring.The bala gutta pad being arranged on bearing sheet increases the frictional force between historical relic and device, efficiently reduces
A possibility that historical relic slides.
The present invention reduces the negative effect of earthquake isolating equipment from many aspects, so that device is guaranteeing the same of its isolating affection
When have better applicability.
Claims (9)
1. a kind of three-dimensional friction-pendulum shock-insulation support with buffering stop block, which is characterized in that including bearing sheet (1), cushion cap
Plate (1) is arranged on the double chute boards (7) in upside by several spring spools, and the lower part of the double chute boards (7) in upside has downside double sliding
Guidance tape (12), the slideway of the double chute boards (7) in upside are located at lower surface, and the slideway of the double chute boards (12) in downside is located at upper surface, on
The slideway direction of the double chute boards (12) of the slideway of the double chute boards (7) in side and downside is mutually perpendicular to, upside pair chute board (7) and under
Middle slip device (11) are set between the double chute boards (12) in side, the upper and lower surface of middle slip device (11) is provided with several rollings
Ball, by roller ball sliding in the slideway of the double chute boards (12) of the double chute boards (7) in upside and downside, wherein the double chute boards in upside
(7) and the double chute boards (12) in downside are provided with the buffer spring for acting on glide direction.
2. according to claim 1 with the three-dimensional friction-pendulum shock-insulation support of buffering stop block, which is characterized in that described to hold
The upper surface of platen (1) is provided with bala gutta pad (2).
3. according to claim 1 with the three-dimensional friction-pendulum shock-insulation support of buffering stop block, which is characterized in that the bullet
Spring sleeve includes inner sleeve (3) and outer sleeve (6), and inner sleeve (3) moves up and down in outer sleeve (6), the top of inner sleeve (3)
It is connect with the lower surface of bearing sheet (1), the bottom end of outer sleeve (6) is connect with the upper surface of the double chute boards (7) in upside, inner sleeve
(3) bottom end has horizontal outer edge, and the top of outer sleeve (6) has horizontal inside edge, the outer edge and the inside edge
With being combined into position limiting structure, between the upper surface of the outer edge and the lower surface of the inside edge, with several uniformly distributed vertical slow
Rush spring one (5) connection.
4. according to claim 3 with the three-dimensional friction-pendulum shock-insulation support of buffering stop block, which is characterized in that in described
Built-in vertical earthquake isolating main spring (4) in sleeve (3), the top of vertical earthquake isolating main spring (4) and the lower surface of bearing sheet (1) connect
It connects, bottom end is connect with the upper surface of the double chute boards (7) in upside.
5. according to claim 4 with the three-dimensional friction-pendulum shock-insulation support of buffering stop block, which is characterized in that described perpendicular
It is 64mm, allowable load 1698N, rigidity 156.0N/mm to the free height of shock insulation main spring (4)；Single buffer spring
The free height of one (5) is 20mm, allowable load 303N, rigidity 84.6N/mm；Inner sleeve (3) and outer sleeve (6) spacing
For 10mm.
6. according to claim 1 with the three-dimensional friction-pendulum shock-insulation support of buffering stop block, which is characterized in that on described
The main body mechanism of the double chute boards (7) in side be it is rectangular, lower surface surrounding has vertical limit plate, and slideway is in bottom along Y-direction
W-shaped double slideway structures of portion's blunt circle, wherein two limit plates inside in the Y direction is connected with the hanging buffer spring two in several one end
(812), it as buffer spring device, is connected vertically on the inside of two limit plates of X-direction by several buffer springs three (811)
Buffer board one (101) forms buffer unit；
The main body mechanism of the double chute boards (12) in the downside be it is rectangular, upper surface surrounding has vertical limit plate, slideway
It is in X direction in W-shaped double slideway structures of bottom blunt circle, wherein it is hanging to be connected with several one end on the inside of two limit plates of X-direction
Buffer spring four (821) pass through several buffer springs five on the inside of two limit plates in the Y direction as buffer spring device
(822) vertical buffer board two (102) is connected, buffer unit is formed.
7. according to claim 6 with the three-dimensional friction-pendulum shock-insulation support of buffering stop block, which is characterized in that same limit
The adjacent spacing of buffer spring three (811) on the plate of position is 110mm, is arranged symmetrically along midline position；It is slow on same limit plate
The adjacent spacing for rushing spring five (822) is 110mm, is arranged symmetrically along midline position；Buffer spring two on same limit plate
(812) adjacent spacing is 100mm, is evenly arranged along limit plate；Adjacent of buffer spring four (821) on same limit plate
Away from for 100mm, it is evenly arranged along limit plate；The buffer spring two (812), buffer spring three (811), buffer spring four
(821) drift of buffer spring five (822) is 50mm, allowable load 1480N, rigidity 120.4N/mm.
8. according to claim 6 with the three-dimensional friction-pendulum shock-insulation support of buffering stop block, which is characterized in that on described
The lower surface of the double chute boards (7) in side is provided with connection card slot (9), and the flute length direction of connection card slot (9) is X to and limited in Y-direction
Position plate, it is the connector of T shape that, which there is section on the top of the buffer board (10), and the connector is stuck in the connection card slot (9),
It hangs on the double chute boards (7) in upside, the sliding in connection card slot (9).
9. according to claim 8 with the three-dimensional friction-pendulum shock-insulation support of buffering stop block, which is characterized in that described slow
The length of punching one (101) and buffer board two (102) is 560mm, buffer board one (101) and the limit for connecting card slot (9) both sides
The spacing of position plate is 20mm, and highly identical as limit plate with a thickness of 10mm, shape is identical as slideway shape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811294371.XA CN109139786A (en) | 2018-11-01 | 2018-11-01 | A kind of three-dimensional friction-pendulum shock-insulation support with buffering stop block |
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| CN201811294371.XA CN109139786A (en) | 2018-11-01 | 2018-11-01 | A kind of three-dimensional friction-pendulum shock-insulation support with buffering stop block |
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| CN111365407A (en) * | 2020-04-21 | 2020-07-03 | 绵阳师范学院 | Cultural relic placing shock-proof device |
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