CN106988210A - A kind of high highway bridge benzvalene form cushioning support-saddle of damping property - Google Patents
A kind of high highway bridge benzvalene form cushioning support-saddle of damping property Download PDFInfo
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- CN106988210A CN106988210A CN201710284224.3A CN201710284224A CN106988210A CN 106988210 A CN106988210 A CN 106988210A CN 201710284224 A CN201710284224 A CN 201710284224A CN 106988210 A CN106988210 A CN 106988210A
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- plate
- screwed hole
- hole group
- saddle
- buffer
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/047—Pot bearings
Abstract
The invention discloses a kind of high highway bridge benzvalene form cushioning support-saddle of damping property, including bottom basin and top plate, there is the first screwed hole group in bottom basin, second screwed hole group, 3rd screwed hole group, the 4th screwed hole group, the 5th screwed hole group, 6th screwed hole group, 7th screwed hole group and the 8th screwed hole group, top plate include upper plate, boss and Crashworthy plate, there is stainless steel plate between top plate and bottom basin, tetrafluoro plate, transition steel plate, upper cancellation plate, lower cancellation plate, round clamp, rubber slab, sealing ring, there are eight buffer limit components and four buffer pull rod components in cushion pad, bottom basin.The present invention uses modular interface, improve bearing maintainability, suitable bridge is limited to the maximum displacement with direction across bridge, using cut-out bolt consumption Impact energy, top plate is avoided by buffer pull rod component with tetrafluoro plate to depart from, heat is produced by rough knurling, consumed energy makes bearing service life and using effect more preferable.
Description
Technical field
The present invention relates to civil construction field, the high highway bridge benzvalene form cushioning support-saddle of specially a kind of damping property.
Background technology
Pot rubber bearing has a large carrying capacity, and horizontal displacement is big, the advantages of rotate flexible, and it includes bi-directional movable
Bearing, one-way movable support and hold-down support.Bi-directional movable bearing has vertical carrying, vertical rotating and multidirectional slip property,
Traditional bi-directional movable pot rubber bearing is from the bottom up successively by bottom basin, rubber slab, sealing ring, middle steel plate, tetrafluoro plate, no
Become rusty steel slide plate and top plate composition, and top plate is fixed with girder by anchor bolt, and bottom basin is fixed by anchor bolt with bridge pier.It is existing
Bi-directional movable bearing by low-friction coefficient between tetrafluoro plate and stainless steel slide plate can realize along bridge to direction across bridge
Displacement, existing design is not limited displacement, when prominent chance earthquake, the shear wave and compressional wave huge by amplitude is produced, and this will make branch
The displacement of seat exceedes greatest limit, causes expendable displacement, while there is a possibility that top plate may depart from tetrafluoro plate, causing
Bearing fails, and bridge loses buffer protection.
The content of the invention
It is an object of the invention to provide a kind of high highway bridge benzvalene form cushioning support-saddle of damping property, existing benzvalene form is solved
The problem of rubber support does not have displacement limitation, by increasing external buffer unit, enhances the shock resistance of bearing.
To achieve the above object, the present invention provides following technical scheme：A kind of high highway bridge benzvalene form buffering of damping property
Bearing, including bottom basin and top plate, the bottom basin include the first bottom plate and cylindrical section, and the shape of first bottom plate is square,
Centre above the first bottom plate is cylindrical section, and the center of the cylindrical section is cylindrical hole, is a circle in the oral area of cylindrical hole
Ring seam, the annulus seam is coaxial with cylindrical hole, also has the first screwed hole group, second above the first bottom plate of bottom basin
Screwed hole group, the 3rd screwed hole group, the 4th screwed hole group, the 5th screwed hole group, the 6th screwed hole group, the 7th screwed hole group and
Eight screwed hole groups, the first screwed hole group is located at the top on the left of the first bottom plate, and it has six tapped through holes, what they were distributed
Shape is rectangle, has two tapped through holes to be located at two intersection points of horizontal edge in rectangle, has two tapped through holes to be located at rectangular
Two midpoints of the vertical edge of shape two, have two tapped through holes to be located at two intersection points of horizontal edge under rectangle, upper two screwed holes of horizontal edge
Be smaller than above and below horizontal edge spacing, the second screwed hole group be located at the first bottom plate on the left of lower section, its screw thread hole count
Amount and hole position layout and the first screwed hole group are identicals, the cross central line of it and the first screwed hole group relative to the first bottom plate
It is arranged symmetrically, the 3rd screwed hole group is located at the left side below the first bottom plate, and it there are six tapped through holes, the shape that they are distributed
Shape is rectangle, has two tapped through holes to be located at two intersection points of the left vertical edge of rectangle, has two tapped through holes to be located at rectangle
Two midpoints of widthwise edge, have two tapped through holes to be located at two intersection points of the right vertical edge of rectangle, left two screwed holes of vertical edge
The spacing of left and right vertical edge is smaller than, the 4th screwed hole group is located at the right side below the first bottom plate, its screw thread hole number
Identical with hole position layout and the 3rd screwed hole group, it with the 3rd screwed hole group relative to the first bottom plate vertical center line pair
Claim arrangement, the 5th screwed hole group is located at the lower section on the right side of the first bottom plate, its screw thread hole number and hole position layout and second
Screwed hole group is identical, and its vertical center line with the second screwed hole group relative to the first bottom plate is arranged symmetrically, the described 6th
Screwed hole group is located at the top on the right side of the first bottom plate, and it is identical that its screw thread hole number and hole position, which is laid out with the first screwed hole group,
, its vertical center line with the first screwed hole group relative to the first bottom plate is arranged symmetrically, and the 7th screwed hole group is located at the
Right side above one bottom plate, its screw thread hole number and hole position layout and the 4th screwed hole group are identicals, and it is with the 4th screw thread
Hole group is arranged symmetrically relative to the cross central line of the first bottom plate, and the 8th screwed hole group is located at the left side above the first bottom plate
Side, its screw thread hole number and hole position layout and the 3rd screwed hole group are identicals, and it is with the 3rd screwed hole group relative to first
The cross central line of bottom plate is arranged symmetrically；The top plate includes upper plate, boss and Crashworthy plate, and the shape of the upper plate is square
Body, in upper plate, all around four sides are all respectively fixed with two Crashworthy plates and a boss, and the shape of the Crashworthy plate is
Cuboid, its bottom surface leans against the side of upper plate, and its top surface is covered with rough knurling, and each two Crashworthy plate is symmetrical
It is distributed on the side of upper plate, is boss in the centre of two Crashworthy plates, the shape of the boss is rectangular prismatoid, its length
Side face is connected with the side of upper plate, and its right-angle side face is alignd with the bottom surface of upper plate, and there is rectangular aperture Baltimore groove its centre,
There is a through hole bottom surface of opening Baltimore groove；Stainless steel plate is fixed with the bottom surface of top plate, its shape is circle, described stainless
It is tetrafluoro plate below steel plate, its shape is circular, is transition steel plate below tetrafluoro plate, the top of the transition steel plate
There is circular groove, tetrafluoro plate is fixed in groove, be upper cancellation plate below the transition steel plate, it is fixed on transition steel plate
Lower section, it is lower cancellation plate that its lower surface, which is covered with below rough knurling, the upper cancellation plate, and its upper surface is covered with
Rough knurling, is round clamp below it, lower cancellation plate is fixed on the upper surface of round clamp, and lower cancellation plate is uneven
Upper surface it is relative with the lower surface that upper cancellation plate is rough, be rubber slab below the round clamp, in rubber slab
There is ring shaped slot top, and O-ring seal is housed above it, is bottom basin below rubber slab, stops in the annulus of bottom basin cylindrical section
Cushion pad is also equipped with mouthful, it is annular, and its section is inverted L-shaped；In bottom basin the first screwed hole group, the second screwed hole group,
3rd screwed hole group, the 4th screwed hole group, the 5th screwed hole group, the 6th screwed hole group, the 7th screwed hole group and the 8th screwed hole
Four buffer pull rod components are respectively further fixed on the bottom plate of bottom basin first equipped with buffer limit component above group, it with
The boss of top plate matches, positioned at the lower section of each boss.
It is preferred that, the buffer limit component includes buffer spring, and baffle plate, reinforcing plate, intermediate plate, cushioning support-saddle hits
Plate, buffer bar and locking nut, the cushioning support-saddle shape is L-shaped, and the upper side of its bottom has six countersunk head through holes, it and bottom
The hole position layout of basin upper screwed hole group is identical, and being symmetrically arranged above its bottom has reinforcing plate, in reinforcing plate
Intermediate plate is fixedly arranged above, respectively there is a tapped through hole on the left side of the intermediate plate upper surface, middle and right side, in cushioning support-saddle
Vertical support plate above also laterally homogeneous be disposed with three through holes, each through hole pass through buffer bar, its tail end is spiral shell
Two locking nuts are connected with line section, thread segment, and are leaned against before the back of the vertical support plate of cushioning support-saddle, the big end of three buffer bars
Portion is equipped with baffle plate, there is buffer spring between baffle plate and cushioning support-saddle, and buffer bar passes through buffer spring, consolidates in the lower end at baffle plate back
Surely there is crash panel.
It is preferred that, rough knurling is covered with before the baffle plate.
It is preferred that, on the left of the intermediate plate of the buffer limit component, one is respectively equipped with the tapped through hole on middle and right side
Cut off bolt.
It is preferred that, the buffer pull rod component includes pull bar, cushioning support-saddle, yielding rubber, buffer cap and nut, described slow
It is square to rush bearing profile, and there is macropore its upper surface, and its inside is square hollow die cavity, and the yielding rubber is mounted in
In cushioning support-saddle, its shape is square, and the size of square is less than the size of cushioning support-saddle square hollow die cavity, it
Square section is more than the macropore of cushioning support-saddle upper surface, be evenly arranged on its four lateral surface vertical directions three it is square
There is through hole annular groove, its centre, and its bottom has and by coaxial counter sink, and the pull bar includes big cylinder table rank and bar
Axle, the bar axle bag crosses the thread segment and middle light bar segment of tail end, and four annular grooves, pull bar have axially been evenly arranged in polished rod
Bar axle pass through the through hole of yielding rubber, the diameter of bar axle is more than the diameter of through hole, the big cylinder table rank of pull bar and yielding rubber
Counter sink match, in the top of cushioning support-saddle, the thread segment of through hole is stretched out with nut check pull bar, in the big cylinder table rank of pull bar
Lower section cover buffer cap.
It is preferred that, the thread segment that the pull bar stretches out is locked through the through hole on top plate boss with screwed retaining ring, is being drawn
Compression spring is also equipped with the thread segment that bar stretches out, its bottom surface simultaneously with top plate boss is connected, in addition simultaneously and buffer pull rod
The upper surface of component nut is connected.
Compared with prior art, beneficial effects of the present invention are as follows：
1st, the present invention on the first bottom plate of bottom basin by arranging the first screwed hole group, the second screwed hole that identical hole position is laid out
Group, the 3rd screwed hole group, the 4th screwed hole group, the 5th screwed hole group, the 6th screwed hole group, the 7th screwed hole group and the 8th screw thread
Hole group, using the screwed hole of same size, can use the dormant bolt of same size, it is to avoid connection standard component specification is more,
It is easily wrongly installed, the situation of assembling is repeated, the assembly difficulty of workman, the counter sink and first of simultaneous buffering limit assembly bottom is reduced
Bottom plate upper screwed hole group layout is identical, using identical hickey, can exchange, improve when buffer limit component is damaged
Maintainable and replacing the efficiency of bearing.
2nd, the present invention can be made four on top plate by two buffer limit components of each arrangement of four direction above bottom basin
The Crashworthy plate of individual side collides with the baffle plate on buffer limit component in prominent chance earthquake, passes through three behind baffle plate
Buffer spring, can change into elastic potential energy by the energy that part is hit, reduce the infringement hit to bearing and bridge pier, simultaneously
The buffer limit component of four direction, limits bearing top plate along bridge to the maximum displacement with direction across bridge, with traditional bi-directional movable
Bearing is compared, it is to avoid prominent to meet the situation that earthquake causes horizontal direction irrecoverable big displacement.
3rd, the present invention is by the left of the intermediate plate of buffer limit component, filling cut-out on the tapped through hole on middle and right side
Bolt, when the Crashworthy plate on top plate is in unexpected fast ram buffer limit component overhead gage, it is excessive that buffer spring is not enough to counteracting
During impact, the crash panel of baffle plate behind can collide with cut-out bolt, and it can further prevent the continuation displacement of top plate,
The bending of cut-out bolt can be made when impulsive force is excessive or fractureed, the energy of shock is consumed to greatest extent, bearing is improved
Service life, further ensures the safety of bridge, while cutting off bolt changes convenient, it is cheap, protect buffer limit
Component, reduces maintenance cost.
4th, the intermediate arrangement buffer pull rod component of present invention four direction above bottom basin, by pull bar and top plate boss phase
Even, by the yielding rubber inside the compression spring under boss and buffering rod assembly, bearing can be made big in prominent chance amplitude
Shear wave or compressional wave when, compression spring and yielding rubber is deformed and consume the energy of vibration, with conventional internal formula buffer
Compare, external device (ED) can further offset energy, improve cushioning effect, by the way that pull bar is connected with yielding rubber, buffer rubber
Glue is fixed in cushioning support-saddle, and the size of yielding rubber is more than the macropore above cushioning support-saddle, prevents pull bar from deviating from, Zhi Neng
Up-down vibration in certain limit, when bearing is fluctuated by vertical direction large amplitude, prevents top plate from continuing up vibration, it is to avoid
Top plate departs from tetrafluoro plate, and bearing the situation of irreversible breaking occurs, further increases the damping property of bearing.
5th, the present invention pacifies relatively by upper cancellation plate, increasing rough knurling in lower cancellation plate, and by knurling face
Dress, adds the frictional force of contact surface, when can make bearing generation twisting or displacement, improves the heat of contact friction, consumes
Energy, by increasing rough knurling on the baffle plate of buffer limit component and the Crashworthy plate of top plate, can make top plate with
When baffle plate collides, heat is produced, the energy of impact is consumed, makes bearing service life and using effect more preferable.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure sectional view of the present invention；
Fig. 3 is top plate schematic diagram of the present invention；
Fig. 4 is bottom basin top view of the present invention；
Fig. 5 is buffer pull rod assemble cross-section of the present invention；
Fig. 6 is buffer limit component diagram of the present invention；
Fig. 7 is buffer limit assemble cross-section of the present invention；
In figure：1 top plate, 2 buffer limit components, 3 buffer pull rod components, 4 cut-out bolts, 5 stainless steel plates, 6 tetrafluoro plates, 7 bufferings
Pad, 8 transition steel plates, cancellation plate, 10 round clamps, 11 times cancellation plates, 12 rubber slabs, 13 O-ring seals, 14 bottom basins, 15 pressures on 9
Contracting spring, 16 screwed retaining rings, 101 upper plates, 102 boss, 103 Crashworthy plates, 201 buffer springs, 202 baffle plates, 203 reinforcing plates, 204
Intermediate plate, 205 cushioning support-saddles, 206 crash panels, 207 buffer bars, 208 locking nuts, 301 pull bars, 302 cushioning support-saddles, 303 are delayed
Rush rubber, 304 buffer caps, 305 nuts, 1,401 first bottom plates, 1402 cylindrical sections, 141 first screwed hole groups, 142 second screw threads
Hole group, 143 the 3rd screwed hole groups, 144 the 4th screwed hole groups, 145 the 5th screwed hole groups, 146 the 6th screwed hole groups, 147 the 7th
Screwed hole group, 148 the 8th screwed hole groups, a cross central lines, the vertical center lines of b.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out it is clear,
It is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, it is all that those of ordinary skill in the art are obtained under the premise of creative work is not made
Other embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1-7, a kind of high highway bridge benzvalene form cushioning support-saddle of damping property, including bottom basin 14 and top plate 1, bottom basin
14 include the first bottom plate 1401 and cylindrical section 1402, and the shape of the first bottom plate 1401 is square, in the top of the first bottom plate 1401
Centre be cylindrical section 1402, its center is cylindrical hole, is an annulus seam in the oral area of cylindrical hole, it is with cylindrical hole
Coaxial, for putting O-ring seal 13, there are the first screwed hole group 141, second in the top of the first bottom plate 1401 of bottom basin 14
Screwed hole group 142, the 3rd screwed hole group 143, the 4th screwed hole group 144, the 5th screwed hole group 145, the 6th screwed hole group 146,
7th screwed hole group 147 and the 8th screwed hole group 148, the first screwed hole group 141 are located at the top in the left side of the first bottom plate 1401, it
There are six tapped through holes, the shape that they are distributed is rectangle, there are two tapped through holes to be located at two friendships of horizontal edge in rectangle
Point, has two tapped through holes to be located at two midpoints of the vertical edge of rectangle two, has two tapped through holes to be located at horizontal edge under rectangle
The spacing of horizontal edge above and below two intersection points, being smaller than of upper two screwed holes of horizontal edge, the second screwed hole group 142 is located at the first bottom plate
The lower section in 1401 left sides, its screw thread hole number and hole position layout and the first screwed hole group 141 are identicals, and it is with the first screw thread
Hole group 141 is arranged symmetrically relative to the cross central line a of the first bottom plate 1401, and the 3rd screwed hole group 143 is located at the first bottom plate
The left side of 1401 lower sections, it has six tapped through holes, and the shape that they are distributed is rectangle, has two tapped through holes to be located at rectangular
Two intersection points of the left vertical edge of shape, have two tapped through holes to be located at two midpoints of rectangle widthwise edge, there is two tapped through hole positions
In two intersection points of the right vertical edge of rectangle, the spacing for being smaller than left and right vertical edge of left two screwed holes of vertical edge, the 4th screwed hole
Group 144 is located at the right side of the lower section of the first bottom plate 1401, and it is phase that its screw thread hole number and hole position, which is laid out with the 3rd screwed hole group 143,
With, its vertical center line b with the 3rd screwed hole group 143 relative to the first bottom plate 1401 is arranged symmetrically, the 5th screwed hole group
145 are located at the lower section on the right side of the first bottom plate 1401, and it is identical that its screw thread hole number and hole position, which is laid out with the second screwed hole group 142,
, its vertical center line b with the second screwed hole group 142 relative to the first bottom plate 1401 is arranged symmetrically, the 6th screwed hole group 146
Top positioned at the right side of the first bottom plate 1401, its screw thread hole number and hole position layout and the first screwed hole group 141 are identicals,
Its vertical center line b with the first screwed hole group 141 relative to the first bottom plate 1401 is arranged symmetrically, the 7th screwed hole group 147
Right side in the top of the first bottom plate 1401, its screw thread hole number and hole position layout and the 4th screwed hole group 144 are identicals, it
Cross central line a with the 4th screwed hole group 144 relative to the first bottom plate 1401 is arranged symmetrically, and the 8th screwed hole group 148 is located at
The left side of the top of first bottom plate 1401, its screw thread hole number and hole position layout and the 3rd screwed hole group 143 are identicals, it with
3rd screwed hole group 143 is arranged symmetrically relative to the cross central line a of the first bottom plate 1401；Top plate 1 includes upper plate 101, boss
102 and Crashworthy plate 103, the shape of upper plate 101 is square, and in upper plate 101, all around four sides are all respectively fixed with two
Individual Crashworthy plate 103 and a boss 102, the shape of Crashworthy plate 103 is cuboid, and its bottom surface leans against the side of upper plate 101, it
Top surface be covered with rough knurling, shock heat can be increased, each two Crashworthy plate 103 is symmetrical to be distributed in upper plate
It is boss 102 in the centre of two Crashworthy plates 103, the shape of boss 102 is rectangular prismatoid on 101 side, its long side
Face is connected with the side of upper plate 101, and its right-angle side face is alignd with the bottom surface of upper plate 101, and there is rectangular aperture spill its centre
Groove, there is a through hole in the bottom surface of opening Baltimore groove；Stainless steel plate 5 is fixed with the bottom surface of top plate 1, its shape is circle,
The lower section of stainless steel plate 5 is tetrafluoro plate 6, and its shape is circular, is transition steel plate 8 in the lower section of tetrafluoro plate 6, is had above it
Circular groove, tetrafluoro plate 6 is fixed in groove, prevents from coming off, be in the lower section of transition steel plate 8 on cancellation plate 9, it was fixed on
The lower section of steel plate 8 is crossed, its lower surface is covered with rough knurling, be lower cancellation plate 11 in the lower section of upper cancellation plate 9, it
Upper surface is covered with rough knurling, is round clamp 10 below it, lower cancellation plate 11 is fixed on the upper surface of round clamp 10,
The rough upper surface of lower cancellation plate 11 is relative with the lower surface that upper cancellation plate 9 is rough, increases both frictions,
Energy can be changed into heat, be rubber slab 12 in the lower section of round clamp 10, have ring shaped slot in the top of rubber slab 12, it upper
Face is equipped with O-ring seal 13, is bottom basin 14 in the lower section of rubber slab 12, on the annulus seam of the cylindrical section 1402 of bottom basin 14 also
Equipped with cushion pad 7, it is annular, and its section is inverted L-shaped, and it can slow down the impact of top plate 1；In the screw thread of bottom basin 14 first
Hole group 141, the second screwed hole group 142, the 3rd screwed hole group 143, the 4th screwed hole group 144, the 5th screwed hole group 145, the 6th
One buffer limit component 2 is respectively housed above screwed hole group 146, the 7th screwed hole group 147 and the 8th screwed hole group 148, it
Including buffer spring 201, baffle plate 202, reinforcing plate 203, intermediate plate 204, cushioning support-saddle 205, crash panel 206, the He of buffer bar 207
Locking nut 208, the shape of cushioning support-saddle 205 is L-shaped, and the upper side of its bottom has six countersunk head through holes, it with bottom basin 14 on spiral shell
The hole position layout of pit group is identical, using general-purpose interface, can increase interchangeability, maintainability be improved, in the upper of its bottom
Side is symmetrically arranged and has reinforcing plate 203, and intermediate plate 204 is fixedly arranged above in reinforcing plate 203, the left side of its upper surface,
Respectively there is a tapped through hole on middle and right side, respectively cuts off bolt bending equipped with a cut-out bolt 4 above or fractures and can offset
Impact energy, also laterally homogeneous be disposed with three through holes, each through hole passes through one above the vertical support plate of cushioning support-saddle 205
Individual buffer bar 207, its tail end is that two locking nuts 208 are connected with thread segment, thread segment, and it is perpendicular to lean against cushioning support-saddle 205
The back of allotment plate, the big end front portion of three buffer bars 207 is equipped with baffle plate 202, is covered with rough knurling before it, hits
More heats can be produced when hitting, impact is offset, there is buffer spring 201, buffer bar 207 between baffle plate 202 and cushioning support-saddle
Through buffer spring 201, elastic potential energy can be converted impact energy to, crash panel is fixed with the lower end at the back of baffle plate 202
206, it can be collided with cut-out bolt 4, and four buffer pull rod components 3 are further fixed on the bottom plate 1401 of bottom basin 14 first, it
Match with the boss 102 of top plate 1, positioned at the lower section of each boss, it includes pull bar 301, cushioning support-saddle 302, yielding rubber
303, buffer cap 304 and nut 305, the profile of cushioning support-saddle 302 is square, and there is macropore its upper surface, and its inside is just
Square hollow die cavity, yielding rubber 303 is in cushioning support-saddle 302, and its shape is square, and the size of square, which is less than, to be delayed
The size of the square hollow die cavity of bearing 302 is rushed, its square section is more than the macropore of the upper surface of cushioning support-saddle 302, makes to delay
Rush rubber 303 not falling out, be evenly arranged three square annular grooves on its four lateral surface vertical directions, it is more held
Easily deform, absorb energy, there is through hole its centre, its bottom has and by coaxial counter sink, and pull bar 301 includes big
Cylinder step and bar axle, bar axle bag cross the thread segment and middle light bar segment of tail end, and four rings have axially been evenly arranged in polished rod
Shape groove, the bar axle of pull bar 301 passes through the through hole of yielding rubber 303, and the diameter of bar axle is more than the diameter of through hole, rubber is buffered after passing through
The Internal Hole Deformation of glue 303 fills up four annular grooves on polished rod axle, makes cooperation more firm, the big cylinder table rank of pull bar 301 with
The counter sink of yielding rubber 303 matches, and in the top of cushioning support-saddle 302, the spiral shell that pull bar 301 stretches out through hole is locked with nut 305
Line section, does not fall out pull bar 301, and buffer cap 304 is covered below the big cylinder table rank of pull bar 301, improves buffering, prevents from delaying
Rush the countersunk head bore deformation of rubber 303 to split, the thread segment that pull bar 301 stretches out uses anticreep through the through hole on the boss 102 of top plate 1
Nut 16 is locked, and compression spring 15 is also equipped with the thread segment that pull bar 301 stretches out, its bottom surface simultaneously with the boss 102 of top plate 1
It is connected, one side is connected with the upper surface of the nut 305 of buffer pull rod component 3 in addition, bearing is limited maximum when fluctuating up and down
Displacement, it is to avoid top plate 1 is deviate from tetrafluoro plate 6, while the energy of vibration is converted into compression spring 15 and yielding rubber 303
Deflection.
In use, during prominent chance earthquake, the benzvalene form cushioning support-saddle on bridge will receive the energy of compressional wave or shear wave, when amplitude is big
When, top plate 1 on bidirectional buffering bearing along along bridge to direction across bridge displacement, upper cancellation plate 9 inside bottom basin 14 and under support
Disappear between plate 11 due to adding rough knurling, increase friction, more heats will be produced when being subjected to displacement by energy
Amount is taken away, and when the displacement of top plate 1 continues to increase, can be contacted with the cushion pad 7 in bottom basin 14, cushion pad 7 can slow down top plate 1
Energy；When magnitude is larger, top plate 1 is increased along along bridge to the displacement with direction across bridge, and speed is also accelerated, at this moment on top plate
The meeting of Crashworthy plate 103 and the baffle plate 202 that is fixed on the buffer limit component 2 of bottom basin surrounding bump against, due to Crashworthy plate 103 and gear
There is rough knurling on plate 202, more heats can be produced during shock, offset portion of energy, occur to hit rear baffle
Buffer spring 201 behind 202 is deformed, and the energy of impact is changed into elastic potential energy, slows down impact, when displacement is further
During increasing, the cut-out bolt 4 on buffer limit component 2 can block the displacement of top plate 1, and cut-out bolt 4 is hit curved or hit
When disconnected, the impact energy that earthquake is produced will be offset to greatest extent；When top plate 1 is fluctuated, the pull bar on boss 102
301, meeting four direction random vibration back and forth, this will make the yielding rubber 303 in compression spring 15 and buffering rod assembly 3
Deform, these deformations will absorb the energy for vibrating and producing, and each of bearing is slowed down to displacement amplitude and frequency, pull bar 301
Can by yielding rubber 303, any direction is reversed or mobile in cushioning support-saddle 302, because pull bar 301 is without departing from buffering
Bearing 302, yielding rubber 303 can only be deformed in the activity space of cushioning support-saddle 302, make the maximum displacement of top plate 1 and have limit
System, so that bearing damping property is improved.
In summary：The high highway bridge benzvalene form cushioning support-saddle of the damping property, passes through the first bottom plate 1401 in bottom basin 14
Upper the first screwed hole group 141 for arranging identical hole position layout, the second screwed hole group 142, the 3rd screwed hole group 143, the 4th screw thread
Hole group 144, the 5th screwed hole group 145, the 6th screwed hole group 146, the 7th screwed hole group 147 and the 8th screwed hole group 148, are used
The screwed hole of same size, can use the dormant bolt of same size, it is to avoid connection standard component specification is more, easily wrongly installed, weight
Situation about matching somebody with somebody is reassembled, is reduced on the assembly difficulty of workman, the counter sink and the first bottom plate of the bottom of simultaneous buffering limit assembly 2
1401 screwed hole groups layout is identical, using identical hickey, can exchange, improve when buffer limit component 2 is damaged
Bearing is maintainable and the efficiency changed, by each two buffer limit components 2 of arrangement of the top four direction of bottom basin 14, can be with
Make the Crashworthy plate 103 of four sides on top plate 1 in prominent chance earthquake, collided with the baffle plate 202 on buffer limit component 2,
By three buffer springs 201 behind baffle plate 202, the energy that part is hit can be changed into elastic potential energy, reduce and hit
Hit the infringement to bearing and bridge pier, while the buffer limit component 2 of four direction, limit bearing top plate along bridge to and direction across bridge
Maximum displacement, compared with traditional bi-directional movable bearing, it is to avoid prominent chance earthquake causes the irrecoverable big displacement of horizontal direction
Situation, by filling cut-out bolt 4 on the left side of intermediate plate 204 of buffer limit component 2, the tapped through hole on middle and right side, when
Crashworthy plate 103 on top plate is in unexpected fast ram buffer limit component overhead gage, and buffer spring 201 is not enough to offset favourable opposition
When hitting, the crash panel 206 of the behind of baffle plate 202 can collide with cut-out bolt 4, it can further prevent top plate 1 after
Continuous displacement, the bending of cut-out bolt 4 can be made when impulsive force is excessive or is fractureed, the energy of shock is consumed to greatest extent, improved
The service life of bearing, further ensures the safety of bridge, while cutting off bolt 4 changes convenient, it is cheap, protect
Buffer limit component, reduces maintenance cost, in the intermediate arrangement buffer pull rod component 3 of the top four direction of bottom basin 14, will draw
Bar 301 is connected with the boss 102 of top plate 1, passes through the buffering inside the compression spring 15 under boss 102 and buffering rod assembly 3
Rubber 303, can make bearing in prominent chance amplitude big shear wave or compressional wave, become compression spring 15 and yielding rubber 303
Shape consumes the energy of vibration, compared with conventional internal formula is buffered, and external device (ED) can further offset energy, improves buffering and makees
With by the way that pull bar 301 is connected with yielding rubber 303, yielding rubber 303 is fixed in cushioning support-saddle 302, yielding rubber 303
Size be more than macropore above cushioning support-saddle 302, prevent pull bar 301 from deviating from, can only up-down vibration within the specific limits, when
When bearing is fluctuated by vertical direction large amplitude, prevent top plate 1 from continuing up vibration, it is to avoid top plate 1 departs from tetrafluoro plate 6,
There is the situation of irreversible breaking in bearing, further increases the damping property of bearing, by upper cancellation plate 9, lower cancellation plate 11
The upper rough knurling of increase, and knurling face is mounted opposite, the frictional force of contact surface is added, bearing can be turned round
During dynamic or displacement, the heat of contact friction is improved, energy is consumed, passes through the baffle plate 202 and top plate 1 in buffer limit component 2
Crashworthy plate 103 on increase rough knurling, when top plate 1 and the baffle plate 202 is collided, produce heat, consumption
The energy of impact, makes bearing service life and using effect more preferable.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of high highway bridge benzvalene form cushioning support-saddle of damping property, including bottom basin（14）And top plate（1）, it is characterised in that：Institute
State bottom basin（14）Including the first bottom plate（1401）And cylindrical section（1402）, first bottom plate（1401）Shape be square,
In the first bottom plate（1401）The centre of top is cylindrical section（1402）, the cylindrical section（1402）Center be cylindrical hole, in circle
The oral area of post holes is an annulus seam, and the annulus seam is coaxial with cylindrical hole, in bottom basin（14）The first bottom plate
（1401）There is the first screwed hole group top（141）, the second screwed hole group（142）, the 3rd screwed hole group（143）, the 4th screw thread
Hole group（144）, the 5th screwed hole group（145）, the 6th screwed hole group（146）, the 7th screwed hole group（147）With the 8th screwed hole group
（148）, the first screwed hole group（141）Positioned at the first bottom plate（1401）The top in left side, it has six tapped through holes, they
The shape of distribution is rectangle, has two tapped through holes to be located at two intersection points of horizontal edge in rectangle, there is two tapped through hole positions
In two midpoints of the vertical edge of rectangle two, there are two tapped through holes to be located at two intersection points of horizontal edge under rectangle, upper horizontal edge two
The spacing of horizontal edge, the second screwed hole group above and below being smaller than of screwed hole（142）Positioned at the first bottom plate（1401）Left side
Lower section, its screw thread hole number and hole position layout and the first screwed hole group（141）It is identical, it is with the first screwed hole group
（141）Relative to the first bottom plate（1401）Cross central line（a）It is arranged symmetrically, the 3rd screwed hole group（143）Positioned at
One bottom plate（1401）The left side of lower section, it has six tapped through holes, and the shape that they are distributed is rectangle, there is two tapped through holes
Positioned at two intersection points of the left vertical edge of rectangle, there are two tapped through holes to be located at two midpoints of rectangle widthwise edge, there are two spiral shells
Line through hole is located at two intersection points of the right vertical edge of rectangle, the spacing for being smaller than left and right vertical edge of left two screwed holes of vertical edge, institute
State the 4th screwed hole group（144）Positioned at the first bottom plate（1401）The right side of lower section, its screw thread hole number and hole position layout and the
Three screwed hole groups（143）It is identical, it is with the 3rd screwed hole group（143）Relative to the first bottom plate（1401）Vertical center line
（b）It is arranged symmetrically, the 5th screwed hole group（145）Positioned at the first bottom plate（1401）The lower section on right side, its screw thread hole number
With hole position layout and the second screwed hole group（142）It is identical, it is with the second screwed hole group（142）Relative to the first bottom plate
（1401）Vertical center line（b）It is arranged symmetrically, the 6th screwed hole group（146）Positioned at the first bottom plate（1401）Right side it is upper
Side, its screw thread hole number and hole position layout and the first screwed hole group（141）It is identical, it is with the first screwed hole group（141）
Relative to the first bottom plate（1401）Vertical center line（b）It is arranged symmetrically, the 7th screwed hole group（147）Positioned at the first bottom plate
（1401）The right side of top, its screw thread hole number and hole position layout and the 4th screwed hole group（144）It is identical, it is with the 4th
Screwed hole group（144）Relative to the first bottom plate（1401）Cross central line（a）It is arranged symmetrically, the 8th screwed hole group
（148）Positioned at the first bottom plate（1401）The left side of top, its screw thread hole number and hole position layout and the 3rd screwed hole group（143）
It is identical, it is with the 3rd screwed hole group（143）Relative to the first bottom plate（1401）Cross central line（a）It is arranged symmetrically；Institute
State top plate（1）Including upper plate（101）, boss（102）And Crashworthy plate（103）, the upper plate（101）Shape be square,
Upper plate（101）All around four sides are all respectively fixed with two Crashworthy plates（103）With a boss（102）, the anticollision
Plate（103）Shape be cuboid, its bottom surface leans against upper plate（101）Side, its top surface is covered with rough knurling,
Each two Crashworthy plate（103）It is symmetrical to be distributed in upper plate（101）Side on, in two Crashworthy plates（103）Centre be convex
Platform（102）, the boss（102）Shape be rectangular prismatoid, its long side face and upper plate（101）Side be connected, it
Right-angle side face and upper plate（101）Bottom surface alignment, there is rectangular aperture Baltimore groove its centre, has one in the bottom surface of opening Baltimore groove
Individual through hole；In top plate（1）Bottom surface be fixed with stainless steel plate（5）, its shape is circular, the stainless steel plate（5）Lower section
It is tetrafluoro plate（6）, its shape is circular, in tetrafluoro plate（6）Lower section be transition steel plate（8）, the transition steel plate（8）It is upper
There are circular groove, tetrafluoro plate in side（6）It is fixed in groove, the transition steel plate（8）Lower section be upper cancellation plate（9）, it is fixed
In transition steel plate（8）Lower section, its lower surface is covered with rough knurling, the upper cancellation plate（9）Lower section be under support
Disappear plate（11）, its upper surface is covered with rough knurling, is round clamp below it（10）, lower cancellation plate（11）It is fixed on
Round clamp（10）Upper surface, lower cancellation plate（11）Rough upper surface and upper cancellation plate（9）Rough following table
Face is relative, the round clamp（10）Lower section be rubber slab（12）, in rubber slab（12）Top have ring shaped slot, fill above it
There is O-ring seal（13）, in rubber slab（12）Lower section be bottom basin（14）, in bottom basin（14）Cylindrical section（1402）Annulus stop
Cushion pad is also equipped with mouthful（7）, it is annular, and its section is inverted L-shaped；In bottom basin（14）First screwed hole group（141）, the
Two screwed hole groups（142）, the 3rd screwed hole group（143）, the 4th screwed hole group（144）, the 5th screwed hole group（145）, the 6th spiral shell
Pit group（146）, the 7th screwed hole group（147）With the 8th screwed hole group（148）Above respectively equipped with buffer limit component
(2), in bottom basin（14）First bottom plate（1401）On be further fixed on four buffer pull rod components (3), it and top plate（1）Boss
（102）Match, positioned at the lower section of each boss.
2. a kind of high highway bridge benzvalene form cushioning support-saddle of damping property according to claim 1, it is characterised in that：It is described slow
Rushing limit assembly (2) includes buffer spring（201）, baffle plate（202）, reinforcing plate（203）, intermediate plate（204）, cushioning support-saddle
（205）, crash panel（206）, buffer bar（207）And locking nut（208）, the cushioning support-saddle（205）Shape is L-shaped, its bottom
The upper side in portion has six countersunk head through holes, it and bottom basin（14）The hole position layout of upper screwed hole group is identical, in its bottom
Top, which is symmetrically arranged, reinforcing plate（203）, in reinforcing plate（203）Be fixedly arranged above intermediate plate（204）, the intermediate plate
（204）Respectively there is a tapped through hole on the left side of upper surface, middle and right side, in cushioning support-saddle（205）Vertical support plate above also
It is laterally homogeneous to be disposed with three through holes, each through hole through a buffer bar（207）, its tail end is thread segment, thread segment
On be connected with two locking nuts（208）, and lean against cushioning support-saddle（205）The back of vertical support plate, three buffer bars（207）It is big
End is anterior to be equipped with baffle plate（202）, in baffle plate（202）There is buffer spring between cushioning support-saddle（201）, buffer bar（207）Through slow
Rush spring（201）, in baffle plate（202）The lower end at back is fixed with crash panel（206）.
3. a kind of high highway bridge benzvalene form cushioning support-saddle of damping property according to claim 2, it is characterised in that：The gear
Plate（202）Before be covered with rough knurling.
4. a kind of high highway bridge benzvalene form cushioning support-saddle of damping property according to claim 2, it is characterised in that：It is described slow
Rush the intermediate plate of limit assembly (2)（204）Respectively equipped with a cut-out bolt on left side, the tapped through hole on middle and right side（4）.
5. a kind of high highway bridge benzvalene form cushioning support-saddle of damping property according to claim 1, it is characterised in that：It is described slow
Rushing rod assembly (3) includes pull bar（301）, cushioning support-saddle（302）, yielding rubber（303）, buffer cap（304）And nut
（305）, the cushioning support-saddle（302）Profile is square, and there is macropore its upper surface, and its inside is square hollow type
Chamber, the yielding rubber（303）Mounted in cushioning support-saddle（302）Interior, its shape is square, and the size of square is less than buffering
Bearing（302）The size of square hollow die cavity, its square section is more than cushioning support-saddle（302）The macropore of upper surface, it
Four lateral surface vertical directions on be evenly arranged three square annular grooves, there is through hole its centre, and its bottom has and passed through
Coaxial counter sink, the pull bar（301）Including big cylinder table rank and bar axle, the bar axle bag crosses thread segment and the centre of tail end
Light bar segment, be axially evenly arranged four annular grooves, pull bar in polished rod（301）Bar axle pass through yielding rubber（303）It is logical
Hole, the diameter of bar axle is more than the diameter of through hole, pull bar（301）Big cylinder table rank and yielding rubber（303）Counter sink match,
In cushioning support-saddle（302）Top, use nut（305）Lock pull bar（301）The thread segment of through hole is stretched out, in pull bar（301）Greatly
Buffer cap is covered below cylinder step（304）.
6. a kind of high highway bridge benzvalene form cushioning support-saddle of damping property according to claim 1, it is characterised in that：It is described to draw
Bar（301）The thread segment of stretching passes through top plate（1）Boss（102）On through hole, and use screwed retaining ring（16）Locking, in pull bar
（301）Compression spring is also equipped with the thread segment of stretching（15）, it one side and top plate（1）Boss（102）Bottom surface be connected, in addition
Simultaneously with buffer pull rod component (3) nut（305）Upper surface be connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284224.3A CN106988210B (en) | 2017-04-26 | 2017-04-26 | A kind of highway bridge benzvalene form cushioning support-saddle that damping property is high |
| CN201810557963.XA CN108755396B (en) | 2017-04-26 | 2017-04-26 | A kind of buffer limit component for the highway bridge benzvalene form cushioning support-saddle that damping property is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284224.3A CN106988210B (en) | 2017-04-26 | 2017-04-26 | A kind of highway bridge benzvalene form cushioning support-saddle that damping property is high |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810557963.XA Division CN108755396B (en) | 2017-04-26 | 2017-04-26 | A kind of buffer limit component for the highway bridge benzvalene form cushioning support-saddle that damping property is high |
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| CN106988210A true CN106988210A (en) | 2017-07-28 |
| CN106988210B CN106988210B (en) | 2018-09-21 |
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| CN201810557963.XA Active CN108755396B (en) | 2017-04-26 | 2017-04-26 | A kind of buffer limit component for the highway bridge benzvalene form cushioning support-saddle that damping property is high |
| CN201710284224.3A Active CN106988210B (en) | 2017-04-26 | 2017-04-26 | A kind of highway bridge benzvalene form cushioning support-saddle that damping property is high |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287076A (en) * | 2020-03-27 | 2020-06-16 | 徐向前 | Unidirectional-movement basin-type rubber support for highway bridges |
| CN111305054A (en) * | 2020-02-21 | 2020-06-19 | 长安大学 | Oil pressure type seismic mitigation and isolation support and using method thereof |
| CN114427186A (en) * | 2021-09-07 | 2022-05-03 | 河北创泰交通工程技术有限公司 | Bridge anti-seismic support |
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| CN109485931B (en) * | 2018-11-10 | 2021-03-30 | 温州市龙湾大地绿化有限公司 | Bridge damping support |
| CN111227557B (en) * | 2020-04-27 | 2021-12-31 | 北京金隅天坛家具股份有限公司 | Internal support member for bed |
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| CN112411476A (en) * | 2020-11-20 | 2021-02-26 | 台州佳沃科技有限公司 | But reuse's bridge buffer stop |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108755396A (en) | 2018-11-06 |
| CN108755396B (en) | 2019-10-22 |
| CN106988210B (en) | 2018-09-21 |
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