CN107386456A - A kind of shearing-type rubber vibration isolation seating concatenation type flameproof protection device - Google Patents
A kind of shearing-type rubber vibration isolation seating concatenation type flameproof protection device Download PDFInfo
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- CN107386456A CN107386456A CN201710860561.2A CN201710860561A CN107386456A CN 107386456 A CN107386456 A CN 107386456A CN 201710860561 A CN201710860561 A CN 201710860561A CN 107386456 A CN107386456 A CN 107386456A
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- vibration isolation
- rubber vibration
- fire
- bottom plate
- seating
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- 238000002955 isolation Methods 0.000 title claims abstract description 73
- 229920001971 elastomer Polymers 0.000 title claims abstract description 60
- 230000004224 protection Effects 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000004079 fireproofing Methods 0.000 claims abstract description 12
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims description 19
- 238000012856 packing Methods 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 10
- 230000001681 protective effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000005764 inhibitory process Effects 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 230000035939 shock Effects 0.000 description 12
- 238000009413 insulation Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 6
- 238000010008 shearing Methods 0.000 description 5
- 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 4
- 238000010079 rubber tapping Methods 0.000 description 3
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/36—Bearings or like supports allowing movement
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
A kind of shearing-type rubber vibration isolation seating concatenation type flameproof protection device; including upper buttress, lower buttress, rubber vibration isolation seating, fire prevention top plate, fire-proof board, column; the buttress forms the concatenation type flameproof protection cover for enclosing closing with separating connection using the slidingtype for including guide rod, chute and expansion flame-retardant material filleting between fire-proof plate and fire-proof plate and column；The lower buttress is provided with weak shear key to limit fire-proof board and horizontal displacement of the column in low amplitude vibration；The rubber vibration isolation seating periphery coats heat-insulating flame-retardant Protection glue.The present invention is while solving rubber vibration isolation seating flameproof protection; neither influence low amplitude vibration Deformation Demands during bearing normal work; and in the generation synchronous with fire of the vibration of experience high-amplitude such as macroseism or high wind; the heated instantaneous expansion of fire proofing; concatenation type protective cover can follow bearing detrusion without influenceing its vibration isolating effect, while also have energy-eliminating shock-absorbing and inhibition of vibration.
Description
Technical field
The present invention relates to a kind of flameproof protection device, more particularly to a kind of shearing-type rubber vibration isolation seating concatenation type fire prevention is protected
Protection unit.
Background technology
At present, the shock insulation bearing that (shakes) has been widely used in the shock insulations such as building, bridge, equipment and (shaken) in engineering, especially
Since Wenchuan earthquake post-disaster reconstruction, earthquake can significantly be mitigated using the building of shock isolating pedestal structural damage is acted on, ensured
Structure and people, the safety of property, have obtained good inspection in multiple actual seismic.Wherein typical building such as people from Lushan County
People's hospital outpatient complex building, the building employ 83 a diameter of 500mm and 600mm rubber earthquake isolation support, isolation structure point
Analysis is completed with design by Guangzhou University Zhou Yun professors and doctor Wu Congxiao, meets with intact nothing after Yaan M7.0 level macroseisms in 2013
Damage, and the very first time has given play to the earthquake relief work function of brilliance.
Architectural vibration-insulation technology be at a certain position of building, generally building superstructure and basic (or bottom) structure it
Between, the Seismic Isolation of Isolation Layer being made up of shock isolating pedestal is set, makes building superstructure and ground " separating ", is shaken to change structural system
Dynamic characteristic, the extending structure cycle, or increase structural damping simultaneously, major part is consumed by the horizontal large deformation campaign of Seismic Isolation of Isolation Layer
Seismic energy, reduce seismic energy and inputted to superstructure, effectively reduce seismic superstructure acceleration response, reduce
Interlaminar shear and corresponding detrusion, reach expected shockproof requirement.
If fire occurs for the class formation, earthquake isolating equipment or it will be directly exposed in big fire, although shock insulation rubber bearing has
There is certain fire-resistance capacity, but the thermal stability of elastomeric material is poor, it is empty in real fire and fire resistance test
Temperature degree may be up to more than 1000 DEG C, and, far beyond the thermal stable temperature of elastomeric material itself, this gives the fire of rubber support for this
Calamity security brings greatly unknown.Therefore, it is necessary to carry out flameproof protection to shock insulation rubber bearing.However, Seismic Isolation of Isolation Layer is anti-
Firer's journey is prevented fires different from common buildings, because the detailing requiments of shock-insulation building, the building element related to shock insulation is needed on ground
Earthquake centre moves freely, and shock isolating pedestal shear deformation ability will typically reach 300mm-800mm, and its fireproof construction is necessarily lost completely
Property is, it is necessary to design special fire prevention node, to meet the requirements of fire-fighting.
Notification number is that CN10542160 A Chinese invention patent discloses a kind of shock insulation fireproof construction and its construction method,
Including Seismic Isolation of Isolation Layer upper plate, Seismic Isolation of Isolation Layer lower plate, between Seismic Isolation of Isolation Layer upper plate and Seismic Isolation of Isolation Layer lower plate and it is enclosed in the shock insulation sheaf space
The vertical fire-proof plate and fire-proof plate plugging device of surrounding, the middle part of the fire-proof plate disconnect to be formed it is horizontal, around Seismic Isolation of Isolation Layer
The space earthquake changing of the relative positions of one week seam, the fire-proof plate plugging device are fixed in earthquake changing of the relative positions seam, fire-proof plate plugging device and ground
The size of shake changing of the relative positions seam is adapted.Above-mentioned fireproof construction can improve Seismic Isolation of Isolation Layer and vibration isolating suspension in normal operating conditions and by a narrow margin
Fire resistance property under vibrational state, but fire occurs while macroseism is met with, due to larger mistake between upper and lower layer fire-proof plate
It is dynamic and horizontal blanking occur, easily there is the phenomenon that overdoes, so as to causing Seismic Isolation of Isolation Layer and shock isolating pedestal due to fire-resistance capacity deficiency
Failure.
In view of this, fireproof construction of the present inventor to vibration isolating suspension has made intensive studies, and has this case generation then.
The content of the invention
Present invention aims at provide a kind of shearing-type rubber vibration isolation seating concatenation type fire prevention in view of the shortcomings of the prior art
Protection device, the device has the function of the low amplitude vibrations such as wind resistance, fire-resistance and the small shake of resistance in normal operating conditions, in high-amplitude
Vibration is cut up weak shear key using shearing force if macroseism or high wind, but fire-resistance device forms the concatenation type guarantor of slidingtype connection
Shield continues normal work, and without prejudice to the free horizontal distortion of rubber vibration isolation seating.It is fire-retardant embedding if fire occurs while macroseism
Seam material can instantaneously expand and sealing joints space, and concatenation type protective cover is while shock insulation bulk motion is followed, each connector
Contact surface show certain energy dissipation capacity because frictional resistance increases, play the mesh of damping and flameproof protection superstructure
's.After high-amplitude vibration terminates, to combined type column, spelling unit is first removed, then removes other heat-insulating, fire-preventing components, is then handled
Vibration isolating suspension, fresh processed fire-proof plate is connected on corresponding buttress afterwards, and weak shear key is reset on lower buttress, so
Column is installed again afterwards, you can play fire-resistance and the function of vibration isolation again.
The present invention is achieved through the following technical solutions the purpose：
A kind of shearing-type rubber vibration isolation seating concatenation type flameproof protection device, including upper buttress, lower buttress, rubber vibration isolation branch
Seat and its Protection glue, heat-insulating, fire-preventing component, the heat-insulating, fire-preventing component include made of flame shield material top plate, bottom plate and
Column；The upper buttress is separated with column, column with top plate, top plate between bottom plate, bottom plate and lower buttress using slidingtype
Connection, and form the concatenation type flameproof protection cover for enclosing rubber vibration isolation seating；Weak shearing resistance is provided between the lower buttress and bottom plate
Key.
Preferably, the cross section of the top plate and bottom plate is annular, the vertical axis and rubber vibration isolation seating of initial position
Vertical axis overlap, peripheral dimension reduces 10-50mm than corresponding buttress size, and inner circumferential size is more than rubber vibration isolation seating diameter,
Concrete numerical value is calculated according to vibration isolating suspension ultimate deformation and determined, thickness 20-80mm；The column can be overall stack shell, half
Cylinder forms to spelling or cylinder section is folded spelling and formed, wall thickness 30-120mm, the vertical axis of initial position and rubber vibration isolation seating
Vertical axis overlaps, and the middle contour on barrel cross section overlaps with the middle contour of top plate and bottom plate, i.e. top plate column relative with bottom plate
The inside and outside flange width chosen is identical, and the middle contour is the average value of interior outer peripheral lines on cross section.
Preferably, slidingtype separation connection includes guide rod, chute and expansion flame-retardant material filleting, wherein, guide rod and chute
Auxiliary connection is formed, and is arranged in pairs, its line of centres passes through the cross section geometric center of connector, and the guide rod is fixed on
In connector, other end edge, which is arranged at the chute in connected body Nei, to be translated；The chute is according to the unidirectional or double of vibration isolation main body
Can be yi word pattern, ellipse or round to detrusion pattern, its size is calculated according to vibration isolating suspension ultimate deformation and determined, when
For yi word pattern or ellipse when, line of the long side perpendicular to chute center and cross section geometric center；The expansion flame-retardant material
It is highly expanded type fire proofing between upper buttress and top plate and bottom plate and lower buttress, its thickness increases to 5-15 times during expansion,
It is low bulk type fire proofing between top plate and column and column and bottom plate, its thickness increases to 1.2-1.8 times during expansion.
Preferably, the weak shear key is fixed on lower buttress, and is close to column inwall through bottom plate, is arranged in pairs, its
The line of centres pass through lower buttress cross section geometric center, and between lower buttress and bottom plate auxiliary connection the line of centres,
The shearing strength of weak shear key according to rubber vibration isolation seating normal work limiting condition calculate determine, i.e., weak shear key rubber every
The damage inactivation when detrusion of bearing of shaking exceedes normal operating conditions.
Preferably, packing ring is fixedly installed in the top outer edge of top plate and the bottom outer edge of bottom plate, and gasket thickness is more than
The thickness of rubber vibration isolation seating mounting flange, packing ring material are flexible flame shield material.
Preferably, rubber vibration isolation seating be natural rubber vibration isolating suspension, high-damping rubber vibration isolating suspension, lead for retractable pencil-rubber every
Shake bearing or rubber slide plate vibration isolating suspension.
Relative to prior art, beneficial effects of the present invention are：(1) rubber vibration isolation seating Novel fireproof of the invention protection
Weak shear key can play good resistant function under the excitation of the low amplitude vibrations such as small shake, normal wind in device, concatenate in a fire
Formula flameproof protection cover and Protection glue can stably play good multistage flameproof protection effect；(2) it is such as strong when high-amplitude vibration occurs
When shake or high wind, shearing force is cut weak shear key and cut, and concatenation type flameproof protection cover, which enters, follows vibration isolating suspension motion state so that
Bearing can in the horizontal direction freely, detrusion fully occurs, to protect upper body structure；(3) by rationally setting
Count concatenation type flameproof protection cover in chute size, with realize high-amplitude vibration during each component of protective cover sliding surface between begin
Continuous contact condition is in eventually, when high-amplitude vibration occurs with fire simultaneously, the heated instantaneous expansion of fire-retardant caulking material can not only
Effectively fire prevention, the following movement of concatenation type protective cover can also show good vibration damping and be acted on vibration suppression, can further improve master
The reliability of body；(4) present invention can easily re-replace fire prevention component therein after high-amplitude vibration, play fire prevention again
And vibration isolation function；(5) present invention is an athletic protective mechanism, and simple structure, clear mechanism, construction and installation are convenient and easily change,
It is practical.
Brief description of the drawings
Fig. 1 is the structural representation of the shearing-type rubber vibration isolation seating flameproof protection device of the present invention.
Fig. 2 is diagrammatic cross-sections of the Fig. 1 along line A-A.
Fig. 3 is diagrammatic cross-sections of the Fig. 1 along line B-B.
Fig. 4 is the structural representation of the bottom plate of the present invention.
Fig. 5 is the structural representation of the top plate of the present invention.
Fig. 6 is the structural representation of the column of the present invention.
Fig. 7 is partial enlarged views of the Fig. 2 at C.
Fig. 8 is partial enlarged views of the Fig. 3 at D.
Fig. 9 is the guard mode schematic diagram when rubber vibration isolation seating enters ultimate deformation.
In figure：The upper buttresses of 1-, the guide rods of 1.1- first, buttress under 2-, the guide rods of 2.1- second, the weak shear keies of 2.2-, 3- rubber
Vibration isolating suspension, 3.1- ring flanges, 4- Protection glues, 5- top plates, the guide rods of 5.1- the 3rd, the chutes of 5.2- first, the highly expandeds of 5.3- first
Type fire proofing, the packing rings of 5.4- first, the tapping screws of 5.5- first, 6- bottom plates, the guide rods of 6.1- the 4th, the chutes of 6.2- second,
6.3- the second highly expanded type fire proofings, 6.4- second packing rings, the tapping screws of 6.5- second, 6.6- preformed holes, 7- columns, 7.1-
3rd chute, 7.2- low bulk type fire proofings
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention will be described in detail.
As shown in Figures 1 to 8, a kind of shearing-type rubber vibration isolation seating concatenation type flameproof protection device, including upper buttress 1,
Lower buttress 2, rubber vibration isolation seating 3 and its Protection glue 4, heat-insulating, fire-preventing component, the heat-insulating, fire-preventing component are included by protective refractory
Top plate 5, bottom plate 6 and column 7 made of material；The upper buttress 1 and top plate 5, top plate 5 and column 7, column 7 and bottom plate 6, bottom
Connection is separated using slidingtype between plate 6 and lower buttress 2, and forms the concatenation type flameproof protection for enclosing rubber vibration isolation seating
Cover；Weak shear key 2.2 is provided between the lower buttress 2 and bottom plate 6.
Preferably, the cross section of the top plate 5 and bottom plate 6 is annular, and the present embodiment takes annular, and initial position erects
Axis overlaps with the vertical axis of rubber vibration isolation seating 3, and outer circumference diameter reduces 30mm than the length of side of corresponding buttress, and inner circumferential diameter is more than
The diameter of rubber vibration isolation seating 3, concrete numerical value, which needs to be calculated according to the ultimate deformation of vibration isolating suspension 3, to be determined, the thickness of top plate 5 and bottom plate 6
Spend for 30mm；The column 7 can be overall stack shell, half to spelling form or cylinder section fold spelling form, the present embodiment rounds body cylinder
Body, wall thickness 60mm, the vertical axis of initial position overlaps with the vertical axis of rubber vibration isolation seating 3, on barrel cross section
Middle contour overlaps with the middle contour of top plate 5 and bottom plate 6, i.e. the inside and outside flange width phase that relative column 7 is chosen with bottom plate 6 of top plate 5
Together, the middle contour is the average value of interior outer peripheral lines on cross section.
Preferably, slidingtype separation connection includes guide rod, chute and expansion flame-retardant material filleting, wherein, guide rod and chute
Auxiliary connection is formed, and is arranged in pairs, its line of centres passes through the cross section geometric center of connector, and the guide rod is fixed on
In connector, other end edge, which is arranged at the chute in connected body Nei, to be translated；The chute is according to the unidirectional or double of vibration isolation main body
Can be yi word pattern, ellipse or round to detrusion pattern, the present embodiment takes yi word pattern, and track length is according to vibration isolating suspension
Ultimate deformation, which calculates, to be determined, long side is perpendicular to chute center and the line of cross section geometric center.Wherein, in upper buttress 1 and top
Between plate 5, the first guide rod 1.1 is the long bolt for being fixed on the bottom surface of buttress 1, and the first chute 5.2 is the opening on top plate 5
Formula slotted eye, long bolt screw on nut to position top plate 5 again after passing through slotted eye；Between top plate 5 and column 7, the 3rd guide rod 5.1 is
The long bolt of the bottom surface of top plate 5 is fixed on, the 3rd chute 7.1 is the closed type chute located at the epimere of column 7；In column 7 and bottom plate 6
Between, the 4th guide rod 6.1 is the long bolt for being fixed on the top surface of bottom plate 6, and the 3rd chute 7.1 is the closed type located at the hypomere of column 7
Chute；Between bottom plate 6 and lower buttress 2, the second guide rod 2.1 is to be fixed on the long bolt of the lower top surface of buttress 2, the second chute 6.2
For the open type slotted eye on bottom plate 6, long bolt screws on nut with positioning plate 6 again after passing through slotted eye.The expandable flame retardant
Material is respectively that the first highly expanded type fire proofing 5.3 and second is high between upper buttress 1 and top plate 5 and bottom plate 6 and lower buttress 2
Expanding flame-proof material 6.3, its thickness increases to 5-15 times during expansion, is between top plate 5 and column 7 and column 7 and bottom plate 6
Low bulk type fire proofing 7.2, its thickness increases to 1.2-1.8 times during expansion.
Preferably, the weak shear key 2.2 is fixed on lower buttress 2, and is close to the inwall of column 7 through bottom plate 6, is set in pairs
To put, its line of centres passes through the cross section geometric center of lower buttress 2, and between lower buttress 2 and bottom plate 6 in auxiliary connection
Heart line, the shearing strength of weak shear key 2.2 calculates according to the normal work limiting condition of rubber vibration isolation seating 3 to be determined, i.e., weak anti-
Cut the damage inactivation when the detrusion of rubber vibration isolation seating 3 exceedes normal operating conditions of key 2.2.
Preferably, the top outer edge of top plate 5 and the bottom outer edge of bottom plate 6 are fixedly installed with tapping screw 5.5 respectively
First packing ring 5.4 and second packing ring 6.4, gasket thickness are more than the thickness of the mounting flange 3.1 of rubber vibration isolation seating 3, packing ring
Material is flexible flame shield material.
Preferably, rubber vibration isolation seating 3 be natural rubber vibration isolating suspension, high-damping rubber vibration isolating suspension, lead for retractable pencil-rubber every
Shake bearing or rubber slide plate vibration isolating suspension.
Reference picture 9, when rubber vibration isolation seating 3 is in the ultimate deformation state of high-amplitude vibration, the fire prevention component in the present invention
Bearing can be formed by slidingtype separation connection and be effectively protected, the weak shear key is cut, and fire prevention component can phase
Determined to free sliding, and because track length calculates according to the deformation of bearing, fire prevention component internal is not in stagger completely
Gap, the packing ring can pad top plate 5 and bottom plate 6, bearing can go out during reciprocal detrusion between packing ring and buttress
Existing a range of space, occur simultaneously with fire as high-amplitude vibrates, the first highly expanded type fire proofing 5.3 and the second highly expanded
Type fire proofing 6.3 can instantaneously expand and fill the space, be entered with completely cutting off heat in protective cover.
Embodiment described above only expresses embodiments of the present invention, and its description is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of protection of the invention.Therefore, the protection domain of patent of the present invention should be with institute
Attached claim is defined.
Claims (6)
1. a kind of shearing-type rubber vibration isolation seating concatenation type flameproof protection device, including upper buttress, lower buttress, rubber vibration isolation seating
And its Protection glue, heat-insulating, fire-preventing component, it is characterised in that the heat-insulating, fire-preventing component includes pushing up made of flame shield material
Plate, bottom plate and column；Using cunning between the upper buttress and top plate, top plate and column, column and bottom plate, bottom plate and lower buttress
Dynamic formula separates connected mode, and forms the concatenation type flameproof protection cover for enclosing rubber vibration isolation seating；The lower buttress and bottom plate it
Between be provided with weak shear key.
A kind of 2. shearing-type rubber vibration isolation seating concatenation type flameproof protection device according to claim 1, it is characterised in that institute
The cross section for stating top plate and bottom plate is annular, and the vertical axis of initial position overlaps with the vertical axis of rubber vibration isolation seating, periphery
Size reduces 10-50mm than corresponding buttress size, and inner circumferential size is more than rubber vibration isolation seating diameter, thickness 20-80mm；It is described
The wall thickness of column is 30-120mm, and the vertical axis of initial position overlaps with the vertical axis of rubber vibration isolation seating, and barrel is transversal
Middle contour on face overlaps with the middle contour of top plate and bottom plate, i.e., the inside and outside flange width phase that top plate column relative with bottom plate is chosen
Together, the middle contour is the average value of interior outer peripheral lines on cross section.
A kind of 3. shearing-type rubber vibration isolation seating concatenation type flameproof protection device according to claim 1, it is characterised in that institute
Stating slidingtype separation connected mode includes using guide rod, chute and expansion flame-retardant material filleting, wherein, guide rod is formed with chute to be connected
Pair is connect, and is arranged in pairs, its line of centres passes through the cross section geometric center of connector, and the guide rod is fixed on connector
In, other end edge, which is arranged at the chute in connected body Nei, to be translated；The chute is according to the unidirectional or double direction shear of vibration isolation main body
Deformation pattern is respectively adopted yi word pattern, ellipse or round, and its size is calculated according to vibration isolating suspension ultimate deformation and determined, when for one
When font or ellipse, long side is perpendicular to chute center and the line of cross section geometric center；The expansion flame-retardant material is upper
It is highly expanded type fire proofing between buttress and top plate and bottom plate and lower buttress, its thickness increases to 5-15 times during expansion, is pushing up
It is low bulk type fire proofing between plate and column and column and bottom plate, its thickness increases to 1.2-1.8 times during expansion.
A kind of 4. shearing-type rubber vibration isolation seating concatenation type flameproof protection device according to claim 1, it is characterised in that institute
State weak shear key to be fixed on lower buttress, and be close to column inwall through bottom plate, be arranged in pairs, its line of centres passes through lower buttress
Cross section geometric center, and between lower buttress and bottom plate auxiliary connection the line of centres.
A kind of 5. shearing-type rubber vibration isolation seating concatenation type flameproof protection device according to claim 1, it is characterised in that institute
State the top outer edge of top plate and packing ring is fixedly installed in the bottom outer edge of bottom plate, gasket thickness connects more than rubber vibration isolation seating
The thickness of acting flange disk, packing ring material are flexible flame shield material.
A kind of 6. shearing-type rubber vibration isolation seating concatenation type flameproof protection device according to claim 1, it is characterised in that institute
Rubber vibration isolation seating is stated to slide for natural rubber vibration isolating suspension, high-damping rubber vibration isolating suspension, lead for retractable pencil-rubber vibration isolation seating or rubber
Plate vibration isolating suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710860561.2A CN107386456B (en) | 2017-09-21 | 2017-09-21 | Series type fireproof protection device for shearing type rubber vibration isolation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710860561.2A CN107386456B (en) | 2017-09-21 | 2017-09-21 | Series type fireproof protection device for shearing type rubber vibration isolation support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107386456A true CN107386456A (en) | 2017-11-24 |
| CN107386456B CN107386456B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710860561.2A Active CN107386456B (en) | 2017-09-21 | 2017-09-21 | Series type fireproof protection device for shearing type rubber vibration isolation support |
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| CN (1) | CN107386456B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854861A (en) * | 2021-01-07 | 2021-05-28 | 万力轮胎股份有限公司 | Three-dimensional shock insulation support |
| CN114182626A (en) * | 2021-11-23 | 2022-03-15 | 上海市政工程设计研究总院（集团）有限公司 | Support safety cover |
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| JPH10299285A (en) * | 1997-04-28 | 1998-11-10 | Yokohama Rubber Co Ltd:The | Fire-resistive covering structure in vibration isolation device |
| JP2006219874A (en) * | 2005-02-09 | 2006-08-24 | Fujita Corp | Fireproof construction for base isolating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112854861A (en) * | 2021-01-07 | 2021-05-28 | 万力轮胎股份有限公司 | Three-dimensional shock insulation support |
| CN114182626A (en) * | 2021-11-23 | 2022-03-15 | 上海市政工程设计研究总院（集团）有限公司 | Support safety cover |
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