CN107642033A - One group of function divergence type combined isolator system and its construction method - Google Patents
One group of function divergence type combined isolator system and its construction method Download PDFInfo
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- CN107642033A CN107642033A CN201710684690.0A CN201710684690A CN107642033A CN 107642033 A CN107642033 A CN 107642033A CN 201710684690 A CN201710684690 A CN 201710684690A CN 107642033 A CN107642033 A CN 107642033A
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 207
- 239000010959 steel Substances 0.000 claims abstract description 207
- 230000000452 restraining effect Effects 0.000 claims abstract description 22
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 19
- 239000010935 stainless steel Substances 0.000 claims abstract description 19
- 238000010008 shearing Methods 0.000 claims description 21
- 239000000428 dust Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 6
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 230000010485 coping Effects 0.000 abstract 2
- 238000006073 displacement reaction Methods 0.000 description 12
- VMQPMGHYRISRHO-UHFFFAOYSA-N benzvalene Chemical group C1=CC2C3C1C32 VMQPMGHYRISRHO-UHFFFAOYSA-N 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 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 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The present invention provides one group of function divergence type combined isolator system and its construction method, is fixed between beam body and bridge pier, is provided with self-restoring lead core rubber support in the middle part of pier coping portion direction across bridge, both sides are provided with pot rubber bearing.Self-restoring lead core rubber support includes bearing upper steel plate A, deformation restraining plate, the first junction steel plate, rubber slab A, the second junction steel plate, bottom plate and bearing lower steel plate, bearing upper steel plate A is fixed on beam body bottom, bearing upper steel plate A, deformation restraining plate, the first junction steel plate, rubber slab A, the second junction steel plate and bottom plate are sequentially connected, and bearing lower steel plate bottom is fixed on pier coping portion.Pot rubber bearing includes bearing upper steel plate B, stainless steel plate, sliding panel, middle liner plate, rubber slab B and steel basin, the present invention discloses one group of function divergence type combined isolator system and its construction method, so that the function of single bearing simplifies, the difficulty of processing of single bearing is reduced, reduces cost.For bearing in performance losses, repair and replacement are convenient.
Description
Technical field
The invention belongs to technical field of bridge engineering, and in particular to one group of function divergence type combined isolator system and its construction
Method.
Background technology
At present, to improve bearing performance, what is largely taken is to be designed on single bearing using function divergence type in China.One
As for, function divergence type bearing needs to meet following functions：1st, vertical support function；2nd, horizontal shear deformation function；3rd, turn
Dynamic deformation function.The different part of bearing undertakes different functions.But such a pedestal configurations are complicated, requirement on machining accuracy is high, leads
Cause cost higher.
In addition, the lead core rubber support being widely used at present, in bearing occurred level detrusion, the lead inside bearing
Core can produce plastic deformation, but because the deficiency of bearing fade performance and reset capability, the plastic deformation of lead for retractable pencil accumulation can cause
Bearing horizontal shear deforms the missing of function.
The content of the invention
The present invention in order to solve the above technical problems, provide one group of function divergence type combined isolator system and its construction method,
Different bearings undertake difference in functionality, simplify single seat structure, easy to maintenance.
In order to solve the technical problem of the present invention, the present invention is achieved by the following technical solutions：One group of function separation
Type combined isolator system, is fixed between beam body 1 and bridge pier 2 by crab-bolt, and runback is provided with the middle part of the top direction across bridge of bridge pier 2
Position lead core rubber support 3, there is provided horizontal shear deforms function；The top direction across bridge both sides of bridge pier 2 are respectively provided with a benzvalene form rubber
Glue bearing 4, there is provided rotational deformation function and vertical support function；The self-restoring lead core rubber support 3 includes bearing upper steel plate
Under A301, deformation restraining plate 302, the first junction steel plate 303, rubber slab A304, the second junction steel plate 305, bottom plate 306 and bearing
Steel plate 307, the bearing upper steel plate A301 are fixed on the bottom of beam body 1, the bearing upper steel plate A301, deformation restraining plate
302nd, the first junction steel plate 303, rubber slab A304, the second junction steel plate 305 and bottom plate 306 are sequentially connected；First connection
Steel plate 303, rubber slab A304 and the surrounding of the second junction steel plate 305 are uniformly provided with lead for retractable pencil hole, and lead for retractable pencil 312 is provided with lead for retractable pencil hole；Institute
The outer lock ring Constrained spring 313 of lead for retractable pencil 312 is stated, improves the self-resetting capability and fade performance of bearing, reduces seismic response, moreover it is possible to
Make the mechanical behavior of lead for retractable pencil 312 more steady；The both ends of restricted spring 313 respectively with first junction steel plate 303 and
Two junction steel plates 305 weld；The middle side part of 302 direction across bridge of the deformation restraining plate two is provided with groove, to coordinate the side steel
When block 308 limits earthquake the direction across bridge of top beam body 1 or along bridge to greater level displacement；The bearing lower steel plate 307 is horizontal
Bridge is respectively equipped with side steel block 308 to both sides, during for limiting earthquake the direction across bridge of top beam body 1 or along bridge to greater level
Displacement；The top of bearing lower steel plate 307 is connected by side steel block 308 with the bottom plate 306, the bearing lower steel plate
307 bottoms are fixed on the top of bridge pier 2；The central lower of bearing upper steel plate 301 is provided with shearing keyway A, and the deformation is about
The center of beam plate 302 offers receiving hole A, and the center of 303 and second junction steel plate of the first junction steel plate 305 is provided with shearing keyway
B, the middle part of bottom plate 306 are provided with receiving hole B, and the center upper portion of bearing lower steel plate 307 is described to cut provided with shear connector groove C
Shear connector 309 is provided with power keyway A, receiving hole A, shearing keyway B, receiving hole B and shearing keyway C；The pot rubber bearing 4
It is described including bearing upper steel plate B401, stainless steel plate 402, sliding panel 403, middle liner plate 404, rubber slab B405 and steel basin 406
Bearing upper steel plate B401 is fixed on the bottom of beam body 1, and the stainless steel plate 402 welds with the bearing upper steel plate B401 basal surfaces
Connect, contact surface is closely affixed, and ensures uniform force；The middle liner plate 404 is arranged on the lower section of stainless steel plate 402, described
The high tapping basin 406 in the middle top of liner plate 404, the middle middle part of liner plate 404 are provided with groove, and the groove is embedded with sliding panel
403, the sliding panel 403 is closely affixed with the stainless steel plate 402, ensures uniform force；The top of steel basin 406 is provided with rubber
Offset plate B405, the middle liner plate 404 are arranged on above the rubber slab B405, and the bridge is fixed in the bottom of steel basin 406
The top of pier 2.
Preferably, the rubber slab A304 is bonded and formed by highly attenuating rubber 310 and sandwich clad steel 311.
Preferably, one piece of pre-embedded steel slab, pre-embedded steel slab plane and the bearing upper steel plate are provided with the bottom of beam body 1
A301, bearing upper steel plate B401 planes are parallel, ensure that contact is uniform, reasonable stress, and support position is horizontal.
Preferably, the top of steel basin 406 is basin type groove, and cell wall is cylindrical surface structure, and the rubber slab B405 is arranged at
The basin type groove intracavity bottom.
Preferably, dust ring is provided between the middle liner plate 404 and the basin type groove lateral edges, prevents dust from entering basin
Type groove inner chamber.
Preferably, the rubber slab B405 rigidity in the pot rubber bearing 4 is higher, and the vertical deformation of bearing is smaller.
When direction across bridge, which does not occur, for beam body 1 rotates, vertical load is mainly provided by pot rubber bearing 4；When beam body 1 occurs
When direction across bridge rotates, on the one hand, all bearings in support system all rotate deformation, another aspect, due to basin type rubber
Bearing 4 is arranged in direction across bridge both sides, and it is while vertical support is provided, moreover it is possible to produces larger countertorque to resist beam body 1
Rotation.
In earthquake, when greater level displacement occurs for beam body 1, pot rubber bearing 4 slides, friction working, consumption
Seismic energy, reduce the relative displacement of bearing seismic response, so as to effective shock insulation.Meanwhile self-restoring lead core rubber support 3 occurs
Detrusion, extend the natural period of bearing, strengthen isolating affection.Now, vertical load is mainly held by pot rubber bearing 4
Load, the unstability of prevention self-restoring lead core rubber support 3.
The construction method of one group of function divergence type combined isolator system, including self-restoring lead core rubber support 3 and benzvalene form rubber
The construction method of glue bearing 4.
The construction method of the self-restoring lead core rubber support 3, comprises the following steps：
Step 1：First junction steel plate 303 and the second junction steel plate 305 are connected by glue and the rubber slab A304
Connect；
Step 2：Restricted spring 313 and the junction steel plate 305 of the first junction steel plate 303 and second are welded；
Step 3：The bearing lower steel plate 307 is fixed on the top of bridge pier 2, in the direction across bridge two of bearing lower steel plate 307
Side installs side steel block 308；
Step 4：Shear connector 309 is embedded in the shearing keyway C of the bearing lower steel plate 307；
Step 5：The bottom plate 306 is connected by bolt with the bearing lower steel plate 307；
Step 6：Second junction steel plate 305 is connected by bolt with the bottom plate 306；
Step 7：The shear connector 309 is embedded in first junction steel plate 303；
Step 8：The deformation restraining plate 302 is connected by bolt with first junction steel plate 303；
Step 9：The bearing upper steel plate A301 is upwardly through the bottom of beam body 1 is bolted to, in the bottom of beam body 1
Provided with one piece of pre-embedded steel slab, pre-embedded steel slab plane is parallel with the bearing upper steel plate A301 planes, ensures that contact is uniform, stress is closed
Reason, support position are horizontal；
Step 10：The deformation restraining plate 302 is connected by bolt with the bearing upper steel plate A301, the shear connector
In the shearing keyway A of the 309 insertion bearing upper steel plates 301.
The construction method of the pot rubber bearing 4, comprises the following steps：
Step 1：By the steel basin 406 mounted in the top of bridge pier 2；
Step 2：The rubber slab B405 is embedded in the basin type groove intracavity bottom of steel basin 406；
Step 3：Middle liner plate 404 is placed above the rubber slab B405 and dust ring is installed；
Step 4：The sliding panel 403 is embedded in the central slot of middle liner plate 404；
Step 5：By the bearing upper steel plate B401 upwardly through the bottom of beam body 1 is bolted to, in the beam body
1 bottom is provided with one piece of pre-embedded steel slab, and pre-embedded steel slab plane is parallel with the bearing upper steel plate B401 planes, ensures that contact is uniform,
Reasonable stress, support position are horizontal；
Step 6：The stainless steel plate 402 and the bearing upper steel plate B401 basal surfaces are welded, ensure that contact surface is close
It is affixed, uniform force；
Step 7：The stainless steel plate 402 is contacted with the sliding panel 403, ensure the smooth foreign of contact surface, stress
Uniformly.
Compared with prior art, the beneficial effect that obtains of the present invention is：
One group of function divergence type combined isolator system and its construction method disclosed by the invention, by the various functions of bearing point
Dissipate in different bearings.First so that the function of single bearing simplifies, and reduces the difficulty of processing of single bearing, reduces cost.Its
Secondary, the mechanical behavior of bearing becomes apparent from, and making bearing, repair and replacement are more targeted in performance losses.Finally, after simplifying
Bearing potentiality further improve.
One group of function divergence type combined isolator system and its construction method disclosed by the invention, support system function it is more excellent
Distribution.Pot rubber bearing vertical supporting loads, adapt to beam body rotational deformation and beam body slip.Self-restoring lead core rubber support is fitted
The seismic force that should be up conducted by bottom bridge pier.In earthquake, when greater level displacement occurs for beam body, pot rubber bearing is slided
It is dynamic, friction working, earthquake energy, reduce the relative displacement of bearing seismic response, so as to effective shock insulation.Meanwhile runback
Detrusion occurs for position lead core rubber support, extends the natural period of bearing, strengthens isolating affection.Now, vertical load is main
Undertaken by pot rubber bearing, prevent the unstability of self-restoring lead core rubber support.
One group of function divergence type combined isolator system and its construction method disclosed by the invention, by by restricted spring lock ring
Lead for retractable pencil outer wall, improves the fade performance of common lead core rubber support, reduces seismic response during earthquake.On the one hand, bearing chi is reduced
It is very little, be advantageous to reduce bearing edge to the distance at bridge pier edge, and then reduce the cross-sectional area of bridge pier, reduce construction costs.Separately
On the one hand, be advantageous to reduce the width at expansion joint.
One group of function divergence type combined isolator system and its construction method disclosed by the invention, by by restricted spring lock ring
Lead for retractable pencil outer wall so that spring can aid in lead for retractable pencil stress when detrusion occurs for bearing, make the mechanical behavior of lead for retractable pencil more steady.
Brief description of the drawings
Fig. 1 is the direction across bridge layout drawing of the present invention.
Fig. 2 is self-restoring lead core rubber support structure chart.
Fig. 3 is lead for retractable pencil structural representation.
Fig. 4 is self-restoring lead core rubber support sectional view.
Fig. 5 is the semi-cutaway of pot rubber bearing.
Fig. 6 is partial enlarged drawing at Fig. 5 B.
Fig. 7 is the working state figure that present invention during direction across bridge horizontal displacement occurs for beam body.
Fig. 8 is the enlarged drawing of pot rubber bearing in Fig. 7.
Fig. 9 is the enlarged drawing of self-restoring lead core rubber support in Fig. 7.
Figure 10 is the direction across bridge working state figure of self-restoring lead core rubber support side steel block.
Figure 11 is the suitable bridge of self-restoring lead core rubber support side steel block to working state figure.
Figure 12 is the working state figure that present invention when direction across bridge rotates occurs for beam body.
Figure 13 is the enlarged drawing of pot rubber bearing in Figure 12.
Reference：1st, beam body；2nd, bridge pier；3rd, self-restoring lead core rubber support；301st, bearing upper steel plate A；302nd, deform
Restraining plate；303rd, the first junction steel plate；304th, rubber slab A；305th, the second junction steel plate；306th, bottom plate；307th, bearing lower steel plate；
308th, side steel block；309th, shear connector；310th, highly attenuating rubber；311st, sandwich clad steel；312nd, lead for retractable pencil；313rd, restricted spring；
314th, deformation constraint crab bolt；315th, junction steel plate bolt；316th, bed bolt；317th, side steel block bolt；318th, bearing
Lower steel plate bolt；319th, crab-bolt A under bearing；320th, crab-bolt A on bearing；4th, pot rubber bearing；401st, bearing upper steel plate B；
402nd, stainless steel plate；403rd, sliding panel；404th, middle liner plate；405th, rubber slab B；406th, steel basin；407th, crab-bolt B on bearing；
408th, steel basin bolt；409th, crab-bolt B under bearing.
Embodiment
Below in conjunction with the accompanying drawings, embodiment is described in detail.
Referring to accompanying drawing 1, one group of function divergence type combined isolator system, it is fixed on by crab-bolt between beam body 1 and bridge pier 2,
Self-restoring lead core rubber support 3 is provided with the middle part of the top direction across bridge of bridge pier 2, there is provided horizontal shear deforms function；The bridge pier 2
Top direction across bridge both sides are respectively provided with a pot rubber bearing 4, there is provided rotational deformation function and vertical support function.
Referring to accompanying drawing 2, the self-restoring lead core rubber support 3 includes bearing upper steel plate A301, deformation restraining plate 302, the
One junction steel plate 303, rubber slab A304, the second junction steel plate 305, bottom plate 306 and bearing lower steel plate 307, steel on the bearing
Plate A301 is fixed on the bottom of beam body 1.The bearing upper steel plate A301 central lowers are provided with shearing keyway A, and the deformation is about
The middle side part of 302 direction across bridge of beam plate two is provided with groove, to coordinate the side steel block 308 limit the direction across bridge of top beam body 1 or
Person along bridge to greater level displacement, deformation restraining plate 302 center offers receiving hole A, passes through and deform constraint crab bolt
314 are connected with bearing upper steel plate A301；The center of first junction steel plate 303 is provided with shearing keyway B, passes through junction steel plate bolt
315 are connected with the deformation restraining plate 302；The middle part of bottom plate 306 is provided with receiving hole B, passes through bed bolt 316 and the branch
Seat lower steel plate 307 connects；The center upper portion of bearing lower steel plate 307 is provided with shearing keyway C；Shearing keyway A, shearing keyway B,
Shear connector 309 is provided with shearing keyway C, receiving hole A and receiving hole B；The direction across bridge both sides of bearing lower steel plate 307 are respectively equipped with
Side steel block 308, during for limiting earthquake the direction across bridge of top beam body 1 or along bridge to greater level displacement, the side steel
Block 308 is connected by side steel block bolt 317 with the bearing lower steel plate 307；The bearing lower steel plate 307 passes through bearing
Lower steel plate bolt 318 and crab-bolt A319 under bearing is fixed on the top of bridge pier 2.
Further, first junction steel plate 303, rubber slab A304 and the surrounding of the second junction steel plate 305 are uniformly provided with
Lead for retractable pencil hole, lead for retractable pencil 312 is provided with the lead for retractable pencil hole.
Referring to accompanying drawing 3, the outer lock ring Constrained spring 313 of lead for retractable pencil 312, the self-resetting capability and Decay Rate of bearing are improved
Can, reduce seismic response, moreover it is possible to make the mechanical behavior of lead for retractable pencil 312 more steady.
Further, the both ends of restricted spring 313 respectively with the junction steel plate of the first junction steel plate 303 and second
305 connections.
Referring to accompanying drawing 4, the bearing upper steel plate A301 constrains crab bolt 314 with the deformation restraining plate 302 by deforming
Connection, the bearing upper steel plate A301 are fixed on the bottom of beam body 1 by crab-bolt A320 on bearing.The side steel block 308 with
Gap L 1 is left between the deformation restraining plate 302, adapts to direction across bridge displacement.The rubber slab A304 is by highly attenuating rubber 310
Bond and formed with sandwich clad steel 311.First junction steel plate 303 passes through junction steel plate bolt 315 and the deformation restraining plate
302 connections.
Referring to accompanying drawing 5, the pot rubber bearing 4 include bearing upper steel plate B401, stainless steel plate 402, sliding panel 403,
Middle liner plate 404, rubber slab B405 and steel basin 406, the bearing upper steel plate B401 are fixed on institute by crab-bolt B407 on bearing
The bottom of beam body 1 is stated, the stainless steel plate 402 is welded with the bearing upper steel plate B401 basal surfaces, and contact surface is closely affixed, and is ensured
Uniform force；The middle liner plate 404 is arranged on the lower section of stainless steel plate 402, the high tapping basin in the middle top of liner plate 404
406, the middle middle part of liner plate 404 is provided with groove, and the groove is embedded with sliding panel 403；The top of steel basin 406 is basin type
Groove, cell wall are cylindrical surface structure, and the basin type groove intracavity bottom is lined with pressure-bearing rubber plate B405, are equipped with middle liner plate 404 thereon,
The basal surface of middle liner plate 404 offsets with rubber slab B405 top surfaces；The bottom of steel basin 406 is rectangular steel plates, passes through steel
Basin bolt 408 and crab-bolt B409 under bearing is fixed on the top of bridge pier 2.Referring to accompanying drawing 6, the sliding panel 403 with it is described not
Rust steel plate 402 is closely affixed, and ensures uniform force.
Referring to accompanying drawing 7 to accompanying drawing 9, when direction across bridge horizontal displacement occurs for beam body 1, the pot rubber bearing 4 it is stainless
Steel plate 402 occurs mutually to slide with sliding panel 403, lead for retractable pencil 312 and the restricted spring 313 of the self-restoring lead core rubber support 3
Generation detrusion, dissipation energy.
Referring to accompanying drawing 10 and accompanying drawing 11, in earthquake, the direction across bridge of beam body 1 or suitable bridge become to when greater level displacement occurs
Shape restraining plate 302 can move with beam body 1, and the side steel block 308 with being fixed on the both sides of bearing lower steel plate 307 collides.
Now, vertical load is mainly undertaken by pot rubber bearing 4, the unstability of prevention self-restoring lead core rubber support 3.
Referring to accompanying drawing 12 and accompanying drawing 13, when direction across bridge, which occurs, for beam body 1 rotates, the rubber slab B405 of pot rubber bearing 4
Deform upon, rotated with adapting to beam body 1.Because pot rubber bearing 4 is arranged in direction across bridge both sides, it is providing vertical support
Simultaneously, moreover it is possible to produce larger countertorque to resist the rotation of beam body 1.
Further, one piece of pre-embedded steel slab, pre-embedded steel slab plane and the bearing upper steel plate are provided with the bottom of beam body 1
A301, bearing upper steel plate B401 planes are parallel, ensure that contact is uniform, reasonable stress, and support position is horizontal.
Further, dust ring is provided between the middle liner plate 404 and the basin type groove lateral edges, prevents dust from entering
Basin type groove inner chamber.
The construction method of one group of function divergence type combined isolator system, including self-restoring lead core rubber support 3 and benzvalene form rubber
The construction method of glue bearing 4.
The construction method of the self-restoring lead core rubber support 3, comprises the following steps：
Step 1：First junction steel plate 303 and the second junction steel plate 305 are connected by glue and the rubber slab A304
Connect；
Step 2：Restricted spring 313 and the junction steel plate 305 of the first junction steel plate 303 and second are welded；
Step 3：The bearing lower steel plate 307 is fixed on the top of bridge pier 2, in the direction across bridge two of bearing lower steel plate 307
Side installs side steel block 308；
Step 4：Shear connector 309 is embedded in the shearing keyway C of the bearing lower steel plate 307；
Step 5：The bottom plate 307 is connected by bolt with the bearing lower steel plate 307；
Step 6：Second junction steel plate 305 is connected by bolt with the bottom plate 307；
Step 7：The shear connector 309 is embedded in first junction steel plate 303；
Step 8：The deformation restraining plate 302 is connected by bolt with first junction steel plate 303；
Step 9：The bearing upper steel plate A301 is upwardly through the bottom of beam body 1 is bolted to, in the bottom of beam body 1
Provided with one piece of pre-embedded steel slab, pre-embedded steel slab plane is parallel with the bearing upper steel plate A301 planes, ensures that contact is uniform, stress is closed
Reason, support position are horizontal；
Step 10：The deformation restraining plate 302 is connected by bolt with the bearing upper steel plate A301, the shear connector
In the shearing keyway A of the 309 insertion bearing upper steel plates 301.
The construction method of the pot rubber bearing 4, comprises the following steps：
Step 1：By the steel basin 406 mounted in the top of bridge pier 2；
Step 2：The rubber slab B405 is embedded in the basin type groove intracavity bottom of steel basin 406；
Step 3：Middle liner plate 404 is placed above the rubber slab B405 and dust ring is installed；
Step 4：The sliding panel 403 is embedded in the central slot of middle liner plate 404；
Step 5：By the bearing upper steel plate B401 upwardly through the bottom of beam body 1 is bolted to, in the beam body
1 bottom is provided with one piece of pre-embedded steel slab, and pre-embedded steel slab plane is parallel with the bearing upper steel plate B401 planes, ensures that contact is uniform,
Reasonable stress, support position are horizontal；
Step 6：The stainless steel plate 402 and the bearing upper steel plate B401 basal surfaces are welded, ensure that contact surface is close
It is affixed, uniform force；
Step 7：The stainless steel plate 402 is contacted with the sliding panel 403, ensure the smooth foreign of contact surface, stress
Uniformly.
Listed above is only one of specific embodiment of the present invention.It is clear that the invention is not restricted to above example, may be used also
To there is many similar reshapings.What one of ordinary skill in the art directly can export or associate from present disclosure
All deformations, are considered as invention which is intended to be protected.
Claims (7)
1. one group of function divergence type combined isolator system, is fixed between beam body (1) and bridge pier (2), its feature exists by crab-bolt
In：Self-restoring lead core rubber support (3), bridge pier (2) top direction across bridge two are provided with the top of the bridge pier (2) in the middle part of direction across bridge
Side is respectively provided with a pot rubber bearing (4)；The self-restoring lead core rubber support (3) includes bearing upper steel plate A (301), become
Shape restraining plate (302), the first junction steel plate (303), rubber slab A (304), the second junction steel plate (305), bottom plate (306) and branch
Seat lower steel plate (307), the bearing upper steel plate A (301) are fixed on the beam body (1) bottom, the bearing upper steel plate A (301),
Deform restraining plate (302), the first junction steel plate (303), rubber slab A (304), the second junction steel plate (305) and bottom plate (306) according to
Secondary connection, bearing lower steel plate (307) the direction across bridge both sides are respectively equipped with side steel block (308), the bearing lower steel plate
(307) top is connected by side steel block (308) with the bottom plate (306), and bearing lower steel plate (307) bottom is fixed on
At the top of the bridge pier (2)；Bearing upper steel plate (301) central lower is provided with shearing keyway A, the deformation restraining plate (302)
Center offers receiving hole A, and first junction steel plate (303) and the second junction steel plate (305) center are provided with shearing keyway B,
Receiving hole B is provided with the middle part of the bottom plate (306), bearing lower steel plate (307) center upper portion is described provided with shear connector groove C
Shear connector (309) is provided with shearing keyway A, receiving hole A, shearing keyway B, receiving hole B and shearing keyway C；The basin type rubber
Bearing (4) includes bearing upper steel plate B (401), stainless steel plate (402), sliding panel (403), middle liner plate (404), rubber slab B
(405) and steel basin (406), the bearing upper steel plate B (401) are fixed on the beam body (1) bottom, the stainless steel plate (402)
Welded with bearing upper steel plate B (401) basal surface；The middle liner plate (404) is arranged under the stainless steel plate (402)
Side, the high tapping basin (406) in middle liner plate (404) top, middle liner plate (404) middle part are provided with groove, the groove
It is embedded with sliding panel (403)；Steel basin (406) top is provided with rubber slab B (405), and the middle liner plate (404) is arranged on institute
State above rubber slab B (405), steel basin (406) bottom is fixed at the top of the bridge pier (2).
2. one group of function divergence type combined isolator system as claimed in claim 1, it is characterised in that：The rubber slab A (304)
Formed by highly attenuating rubber (310) and sandwich clad steel (311) bonding.
3. one group of function divergence type combined isolator system as claimed in claim 2, it is characterised in that：First junction steel plate
(303), rubber slab A (304) and the second junction steel plate (305) surrounding are uniformly provided with lead for retractable pencil hole, and lead for retractable pencil is provided with the lead for retractable pencil hole
(312)。
4. one group of function divergence type combined isolator system as claimed in claim 3, it is characterised in that：The lead for retractable pencil (312) is outside
Lock ring Constrained spring (313), restricted spring (313) both ends connect with first junction steel plate (303) and second respectively
Connect steel plate (305) connection.
5. one group of function divergence type combined isolator system as claimed in claim 1, it is characterised in that：On the steel basin (406)
Portion is basin type groove, and cell wall is cylindrical surface structure, and the rubber slab B (405) is arranged at the basin type groove intracavity bottom.
6. one group of function divergence type combined isolator system as claimed in claim 5, it is characterised in that：The middle liner plate
(404) dust ring is provided between the basin type groove lateral edges.
7. the construction method of one group of function divergence type combined isolator system, it is characterised in that：Including self-restoring lead core rubber support
(3) and pot rubber bearing (4) construction method,
The construction method of the self-restoring lead core rubber support (3), comprises the following steps：
Step 1：First junction steel plate (303) and the second junction steel plate (305) are connected by glue and the rubber slab A (304)
Connect；
Step 2：Restricted spring (313) and first junction steel plate (303) and the second junction steel plate (305) are welded；
Step 3：The bearing lower steel plate (307) is fixed at the top of the bridge pier (2), in bearing lower steel plate (307) direction across bridge
Both sides install side steel block (308)；
Step 4：By in the shearing keyway C of the embedded bearing lower steel plate (307) of shear connector (309)；
Step 5：The bottom plate (306) is connected by bolt with the bearing lower steel plate (307)；
Step 6：Second junction steel plate (305) is connected by bolt with the bottom plate (306)；
Step 7：By in embedded first junction steel plate (303) of the shear connector (309)；
Step 8：The deformation restraining plate (302) is connected by bolt with first junction steel plate (303)；
Step 9：The bearing upper steel plate A (301) is upwardly through the beam body (1) bottom is bolted to, at beam body (1) bottom
Portion is provided with one piece of pre-embedded steel slab, and pre-embedded steel slab plane is parallel with bearing upper steel plate A (301) plane；
Step 10：The deformation restraining plate (302) is connected by bolt with the bearing upper steel plate A (301), the shear connector
(309) in the shearing keyway A of the embedded bearing upper steel plate (301)；
The construction method of the pot rubber bearing (4), comprises the following steps：
Step 1：By the steel basin (406) at the top of the bridge pier (2)；
Step 2：By embedded steel basin (406) the basin type groove intracavity bottom of the rubber slab B (405)；
Step 3：Middle liner plate (404) is placed above the rubber slab B (405) and dust ring is installed；
Step 4：By in embedded middle liner plate (404) central slot of the sliding panel (403)；
Step 5：By the bearing upper steel plate B (401) upwardly through the beam body (1) bottom is bolted to, in the beam body
(1) bottom is provided with one piece of pre-embedded steel slab, and pre-embedded steel slab plane is parallel with bearing upper steel plate B (401) plane；
Step 6：The stainless steel plate (402) and bearing upper steel plate B (401) basal surface are welded；
Step 7：The stainless steel plate (402) is set to be contacted with the sliding panel (403).
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| JP2002038418A (en) * | 2000-05-16 | 2002-02-06 | Kawaguchi Metal Industries Co Ltd | Function separation type bridge support device |
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