CN204690586U - A kind of novel bridge shock mount - Google Patents
A kind of novel bridge shock mount Download PDFInfo
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- CN204690586U CN204690586U CN201520308822.6U CN201520308822U CN204690586U CN 204690586 U CN204690586 U CN 204690586U CN 201520308822 U CN201520308822 U CN 201520308822U CN 204690586 U CN204690586 U CN 204690586U
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- plate
- upper bracket
- elastic body
- friction
- shock mount
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Abstract
The utility model discloses a kind of novel bridge shock mount, this structure comprises one and is positioned at the unidirectional high-damp rubber support of friction that middle overall neoprene bearing and two are positioned at both sides, described overall neoprene bearing is by yielding rubber, junction plate, sliding sheet forms, the unidirectional high-damp rubber support of described friction is by upper bracket plate, lower support plate, elastic body, metal sheet, gib block, friction plate, baffle plate, crab-bolt forms, described upper bracket plate both sides are arranged with boss and groove respectively, described elastic body is inserted between upper bracket plate and lower support plate, described metal sheet is transverse in elastic body top, described gib block is arranged in described groove, described friction plate is located between upper bracket plate and elastic body.The utility model reasonable in design, middle slip, set up defences in two ends, not only shock insulation but also prevent underbeam body drop beam, and in addition, the utility model damping is large, and good damping effect, shrouding and support plate not easily depart from, and effectively improve the overall anti-seismic performance of bridge.
Description
Technical field
The utility model relates to technical field of bridge, particularly relates to a kind of novel bridge shock mount.
Background technology
Bridge pad is set up on pier, the device of end face supporting bridge superstructure.Its function is that superstructure is fixed on pier, bears the various power acting on superstructure, and it is reliably passed to pier; Under load, temperature, concrete shrinkage and creep effect, bearing can adapt to corner and the displacement of superstructure, makes superstructure can Free Transform and do not produce extra additional internal force.Bearing is the important load transfer device of bridge, except in design, except consideration, it should have enough intensity, rigidity and rotation freely or travelling performance, should also be noted that and be convenient to maintenance and change, the smooth of concrete cushion under seat board should be paid attention in construction, and its riding position should be determined according to temperature; Seismic measures should be considered in earthquake zone.
According to the requirement of bridge earthquake resistance measure, adopt and prevent bridge from longitudinally to fall beam and the excessive measure of lateral displacement, existing one-way movable support and multidirectional freely movable bearing on activity direction then without any restriction, susceptor design displacement may be exceeded and the beam phenomenon that falls at geological process underbeam displacement body, top and the bottom structure is easy to throw off, and does not have the effect of antidetonation shock insulation.
Utility model content
The technical problem that the utility model solves is, for the defect that prior art exists, provides a kind of good damping effect, and can effectively prevent underbeam body to fall the novel bridge shock mount of beam.
The technical solution of the utility model is as follows: a kind of novel bridge shock mount, comprise one and be positioned at the unidirectional high-damp rubber support of friction that middle overall neoprene bearing and two are positioned at both sides, described overall neoprene bearing is by yielding rubber, junction plate, sliding sheet forms, multiple steel disc is provided with in described yielding rubber, the unidirectional high-damp rubber support of described friction is by upper bracket plate, lower support plate, elastic body, metal sheet, gib block, friction plate, baffle plate, crab-bolt forms, described upper bracket plate both sides are arranged with boss and groove respectively, described elastic body is inserted between upper bracket plate and lower support plate, described metal sheet is transverse in elastic body top, the two ends of metal sheet coordinate with the gib block of upper bracket plate both sides respectively, described gib block is arranged in described groove, described friction plate is located between upper bracket plate and elastic body, described baffle plate is located on described upper bracket plate, perpendicular with the bearing of trend of described groove, contact with yielding rubber below contacting with upper sealing plate above the sliding sheet of described overall neoprene bearing, yielding rubber lower end is inserted in junction plate, junction plate is connected with lower shrouding by crab-bolt, the upper bracket plate of the unidirectional high-damp rubber support of described friction is connected with upper sealing plate by crab-bolt, lower support plate is connected with lower shrouding by crab-bolt.
Further, the composition material of described sliding sheet is polytetrafluoroethylene (PTFE), polytetrafluoroethylene (PTFE) is except vertical rigidity and the elastic deformation with common laminated rubber bearing, vertical load can be born and adapt to outside beam-ends rotation, because the low-friction coefficient (μ≤0.06) between tetrafluoroethene and beam bottom stainless steel plate can make the horizontal movement of bridge superstructure unrestricted, the two glide lamella formed solves unidirectional Large travel range problem.
Further, described boss and upper bracket slab integral be cast as one, make upper bracket plate be connected between upper sealing plate firmer.
Further, sealing ring is provided with between described upper bracket plate and lower support plate.
Further, be provided with adhesive layer I between described elastic body and lower support plate, adhesive layer I can dispersing shear power, improves the overall performance of bearing.
Further, be provided with adhesive layer II between described lower support plate and lower shrouding, adhesive layer II solves the disengaging problem between shrouding and support plate.
Further, be provided with adhesive layer III between described junction plate and lower shrouding, adhesive layer III solves the disengaging problem between shrouding and junction plate.
Further, described baffle plate and upper bracket slab integral are cast as one, and strengthen whole blocks effect, the shape of baffle plate is rectangle or inverted trapezoidal.
Compared with prior art, its beneficial effect is embodied in following 2 points to the utility model:
First, the utility model is combined by centre overall neoprene bearing and two the unidirectional high-damp rubber supports of friction being positioned at both sides, the glide lamella of middle overall neoprene bearing ensures that bearing has certain lateral displacement amount, and the baffle plate of the unidirectional high-damp rubber support of the friction of both sides solves the excessive problem of displacement, i.e. middle slip, set up defences in two ends, not only shock insulation but also can prevent underbeam body to fall beam phenomenon.
The second, novel bridge shock mount many places of the present utility model are provided with adhesive layer, solve shrouding and the disengaging problem between support plate and junction plate, inside is also provided with friction plate, increase damping force, elastic body and yielding rubber strengthen damping effect, effectively improve the overall anti-seismic performance of bridge.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the upward view of upper bracket plate 3;
Wherein, the overall neoprene bearing of 1-, 101-yielding rubber, 102-junction plate, 103-sliding sheet, 104-steel disc, 2-rub shrouding, 14-adhesive layer I, 15-adhesive layer II, 16-adhesive layer III under unidirectional high-damp rubber support, 3-upper bracket plate, 301-boss, 302-groove, 4-lower support plate, 5-elastic body, 6-metal sheet, 7-gib block, 8-friction plate, 9-sealing ring, 10-baffle plate, 11-crab-bolt, 12-upper sealing plate, 13-.
Detailed description of the invention
Embodiment 1: a kind of novel bridge shock mount, comprises one and is positioned at the unidirectional high-damp rubber support 2 of friction that middle overall neoprene bearing 1 and two are positioned at both sides, described overall neoprene bearing 1 is made up of yielding rubber 101, junction plate 102, sliding sheet 103, the composition material of described sliding sheet 103 is polytetrafluoroethylene (PTFE), polytetrafluoroethylene (PTFE) is except vertical rigidity and the elastic deformation with common laminated rubber bearing, vertical load can be born and adapt to outside beam-ends rotation, because the low-friction coefficient (μ≤0.06) between tetrafluoroethene and beam bottom stainless steel plate can make the horizontal movement of bridge superstructure unrestricted, the two glide lamella formed solves unidirectional Large travel range problem, is provided with multiple steel disc 104 in described yielding rubber 101, the unidirectional high-damp rubber support 2 of described friction is made up of upper bracket plate 3, lower support plate 4, elastic body 5, metal sheet 6, gib block 7, friction plate 8, baffle plate 10, crab-bolt 11, described upper bracket plate 3 both sides are arranged with boss 301 and groove 302 respectively, described boss 301 is integral with upper bracket plate 3 monoblock cast, make to be connected between upper bracket plate 3 with upper sealing plate 12 firmer, described elastic body 5 is inserted between upper bracket plate 3 and lower support plate 4, described metal sheet 6 is transverse in elastic body 5 top, the two ends of metal sheet 6 coordinate with the gib block 7 of upper bracket plate 3 both sides respectively, described gib block 7 is arranged in described groove 302, described friction plate 8 is located between upper bracket plate 3 and elastic body 5, described baffle plate 10 is located on described upper bracket plate 3, perpendicular with the bearing of trend of described groove 302, described baffle plate 10 is integral with upper bracket plate 3 monoblock cast, and strengthen whole blocks effect, the shape of baffle plate 10 is rectangle, contact with yielding rubber 101 below contacting with upper sealing plate 12 above the sliding sheet 103 of described overall neoprene bearing 1, yielding rubber 101 lower end is inserted in junction plate 102, junction plate 102 is connected with lower shrouding 13 by crab-bolt 11, the upper bracket plate 3 of the unidirectional high-damp rubber support 2 of described friction is connected with upper sealing plate 12 by crab-bolt 11, and lower support plate 4 is connected with lower shrouding 13 by crab-bolt 11, adhesive layer I 14 is provided with between described elastic body 5 and lower support plate 4, adhesive layer II 15 is provided with between described lower support plate 4 and lower shrouding 13, adhesive layer III16 is provided with between described junction plate 102 and lower shrouding 13, adhesive layer I can dispersing shear power, improve the overall performance of bearing, adhesive layer II solves the disengaging problem between shrouding and support plate, and adhesive layer III solves the disengaging problem between shrouding and support plate.
Embodiment 2: a kind of novel bridge shock mount, comprises one and is positioned at the unidirectional high-damp rubber support 2 of friction that middle overall neoprene bearing 1 and two are positioned at both sides, described overall neoprene bearing 1 is made up of yielding rubber 101, junction plate 102, sliding sheet 103, the composition material of described sliding sheet 103 is polytetrafluoroethylene (PTFE), polytetrafluoroethylene (PTFE) is except vertical rigidity and the elastic deformation with common laminated rubber bearing, vertical load can be born and adapt to outside beam-ends rotation, because the low-friction coefficient (μ≤0.06) between tetrafluoroethene and beam bottom stainless steel plate can make the horizontal movement of bridge superstructure unrestricted, the two glide lamella formed solves unidirectional Large travel range problem, is provided with multiple steel disc 104 in described yielding rubber 101, the unidirectional high-damp rubber support 2 of described friction is made up of upper bracket plate 3, lower support plate 4, elastic body 5, metal sheet 6, gib block 7, friction plate 8, baffle plate 10, crab-bolt 11, described upper bracket plate 3 both sides are arranged with boss 301 and groove 302 respectively, described boss 301 is integral with upper bracket plate 3 monoblock cast, make to be connected between upper bracket plate 3 with upper sealing plate 12 firmer, described elastic body 5 is inserted between upper bracket plate 3 and lower support plate 4, described metal sheet 6 is transverse in elastic body 5 top, the two ends of metal sheet 6 coordinate with the gib block 7 of upper bracket plate 3 both sides respectively, described gib block 7 is arranged in described groove 302, described friction plate 8 is located between upper bracket plate 3 and elastic body 5, sealing ring 9 is provided with between described upper bracket plate 3 and lower support plate 4, described baffle plate 10 is located on described upper bracket plate 3, perpendicular with the bearing of trend of described groove 302, described baffle plate 10 is integral with upper bracket plate 3 monoblock cast, and strengthen whole blocks effect, the shape of baffle plate 10 is inverted trapezoidal, contact with yielding rubber 101 below contacting with upper sealing plate 12 above the sliding sheet 103 of described overall neoprene bearing 1, yielding rubber 101 lower end is inserted in junction plate 102, junction plate 102 is connected with lower shrouding 13 by crab-bolt 11, the upper bracket plate 3 of the unidirectional high-damp rubber support 2 of described friction is connected with upper sealing plate 12 by crab-bolt 11, and lower support plate 4 is connected with lower shrouding 13 by crab-bolt 11, adhesive layer I 14 is provided with between described elastic body 5 and lower support plate 4, adhesive layer II15 is provided with between described lower support plate 4 and lower shrouding 13, adhesive layer III16 is provided with between described junction plate 102 and lower shrouding 13, adhesive layer I can dispersing shear power, improve the overall performance of bearing, adhesive layer II solves the disengaging problem between shrouding and support plate, and adhesive layer III solves the disengaging problem between shrouding and support plate.
Concrete shock absorbing process is as follows: when there is earthquake, because the friction factor between the sliding sheet 103 of the overall neoprene bearing 1 of centre and upper sealing plate 12 is lower, be the equal of form a glide lamella between bridge superstructure and substructure, can make to produce Relative sliding in the horizontal direction between bridge superstructure and substructure, this glide lamella ensures that overall neoprene bearing 1 has certain lateral displacement amount, simultaneously, the baffle plate 10 of unidirectional high-damp rubber support 2 of rubbing controls this displacement again, prevents the excessive underbeam body that causes of displacement to fall beam; For the vibrations that earthquake produces, carry out damping by the yielding rubber 101 of the elastic body 5 in the middle of the unidirectional high-damp rubber support 2 of friction and overall neoprene bearing 1, then increase damping force by friction plate 8, dissipation seismic energy; Add the shearing force that the adhesive layer I 14 between the elastic body 5 of the unidirectional high-damp rubber support 2 of friction of both sides and lower support plate 4 disperses earthquake to produce, the adhesive layer II 15 between lower support plate 4 and lower the shrouding 13 and adhesive layer III 16 between junction plate 102 and lower shrouding 13 prevents from lower shrouding 13 and overall neoprene bearing 1 and rubs between unidirectional high-damp rubber support 2 departing from; The overall anti-seismic performance of bridge is effectively improved by the acting in conjunction of these aspects.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technical scheme.
Claims (8)
1. a novel bridge shock mount, it is characterized in that comprising one and be positioned at the unidirectional high-damp rubber support of friction (2) that middle overall neoprene bearing (1) and two are positioned at both sides, described overall neoprene bearing (1) is by yielding rubber (101), junction plate (102), sliding sheet (103) forms, multiple steel disc (104) is provided with in described yielding rubber (101), the unidirectional high-damp rubber support of described friction (2) is by upper bracket plate (3), lower support plate (4), elastic body (5), metal sheet (6), gib block (7), friction plate (8), baffle plate (10), crab-bolt (11) forms, described upper bracket plate (3) both sides are arranged with boss (301) and groove (302) respectively, described elastic body (5) is inserted between upper bracket plate (3) and lower support plate (4), described metal sheet (6) is transverse in elastic body (5) top, the two ends of metal sheet (6) coordinate with the gib block (7) of upper bracket plate (3) both sides respectively, described gib block (7) is arranged in described groove (302), described friction plate (8) is located between upper bracket plate (3) and elastic body (5), described baffle plate (10) is located on described upper bracket plate (3), perpendicular with the bearing of trend of described groove (302), contact with yielding rubber (101) below contacting with upper sealing plate (12) above the sliding sheet (103) of described overall neoprene bearing (1), yielding rubber (101) lower end is inserted in junction plate (102), junction plate (102) is connected with lower shrouding (13) by crab-bolt (11), the upper bracket plate (3) of the unidirectional high-damp rubber support of described friction (2) is connected with upper sealing plate (12) by crab-bolt (11), lower support plate (4) is connected with lower shrouding (13) by crab-bolt (11).
2. a kind of novel bridge shock mount as claimed in claim 1, is characterized in that the composition material of described sliding sheet (103) is polytetrafluoroethylene (PTFE).
3. a kind of novel bridge shock mount as claimed in claim 1, is characterized in that described boss (301) and upper bracket plate (3) monoblock cast are integral.
4. a kind of novel bridge shock mount as claimed in claim 1, is characterized in that being provided with sealing ring (9) between described upper bracket plate (3) and lower support plate (4).
5. a kind of novel bridge shock mount as claimed in claim 1, is characterized in that being provided with adhesive layer I (14) between described elastic body (5) and lower support plate (4).
6. a kind of novel bridge shock mount as claimed in claim 1, is characterized in that being provided with adhesive layer II (15) between described lower support plate (4) and lower shrouding (13).
7. a kind of novel bridge shock mount as claimed in claim 1, is characterized in that being provided with adhesive layer III (16) between described junction plate (102) and lower shrouding (13).
8. a kind of novel bridge shock mount as claimed in claim 1, it is characterized in that described baffle plate (10) and upper bracket plate (3) monoblock cast are integral, the shape of baffle plate (10) is rectangle or inverted trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308822.6U CN204690586U (en) | 2015-05-14 | 2015-05-14 | A kind of novel bridge shock mount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308822.6U CN204690586U (en) | 2015-05-14 | 2015-05-14 | A kind of novel bridge shock mount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204690586U true CN204690586U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520308822.6U Expired - Fee Related CN204690586U (en) | 2015-05-14 | 2015-05-14 | A kind of novel bridge shock mount |
Country Status (1)
| Country | Link |
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| CN (1) | CN204690586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774785A (en) * | 2021-11-02 | 2021-12-10 | 许昌学院 | Bridge subtracts isolation bearing |
-
2015
- 2015-05-14 CN CN201520308822.6U patent/CN204690586U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774785A (en) * | 2021-11-02 | 2021-12-10 | 许昌学院 | Bridge subtracts isolation bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20160514 |
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| CF01 | Termination of patent right due to non-payment of annual fee |