CN209211253U - A kind of high energy dissipation type bridge earthquake resistance device - Google Patents
A kind of high energy dissipation type bridge earthquake resistance device Download PDFInfo
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- CN209211253U CN209211253U CN201821807647.5U CN201821807647U CN209211253U CN 209211253 U CN209211253 U CN 209211253U CN 201821807647 U CN201821807647 U CN 201821807647U CN 209211253 U CN209211253 U CN 209211253U
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Abstract
The utility model discloses a kind of high energy dissipation type bridge earthquake resistance devices, including pedestal, fixing groove, bridge pier, bar slot, fixed link, fixed plate, wheel carrier, idler wheel, beam body, dynamic mount, mounting base, connecting rod, cross bar, the first spring, limited block, limiting slot, gear grooved, fixed frame, lower fixed seat, upper fixed seat, motion bar, gear, upper fixture block, lower fixture block, shock-absorbing ball, second spring and damping block.The technical issues of the utility model solves is to overcome the anti-seismic performance of beam bridge of the prior art poor, and stability is low, is easy to produce the shifting defect of opposite position, provides a kind of high energy dissipation type bridge earthquake resistance device.A kind of high energy dissipation type bridge earthquake resistance device has reasonable in design, and stability is high, and anti-seismic performance is good, the features such as can effectively offsetting generated external impacts when earthquake, bridge is prevented to be damaged.
Description
Technical field:
The utility model relates to civic building technical field, in particular to a kind of high energy dissipation type bridge earthquake resistance device.
Background technique:
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern to adapt to
The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic need and set up make
Current more convenient and fast building.Huge seismic energy can be released when earthquake outburst, to cause earth's surface and artificial work
The considerable damage of journey seriously threatens people's life and property safety, and earthquake directly influences earthquake relief work to the destruction of bridge
The unimpeded degree of lifeline in the process.Therefore, the destruction for how improving the shock resistance of bridge and reducing earthquake to bridge is ten
Divide important problem.
Existing bridge protection device can not reduce impact of the external force to bridge well, be easy to keep bridge impaired, and
There are still biggish relative displacements for buffer layer up-down structure, and in macroseism, such effect is become apparent, to be easy to cause bridge
Rigid damage and fall beam danger.
Summary of the invention:
In consideration of it, it is necessary to design a kind of a kind of high energy dissipation type bridge earthquake resistance device that can overcome problem above.
A kind of high energy dissipation type bridge earthquake resistance device, including pedestal, the center of the pedestal offer fixing groove, the fixation
Inserted with bridge pier in slot, and the two sides cell wall of the fixing groove offers several bar slots, and the slot bottom of each bar slot is equal
It is fixedly connected with fixed link, the end of the fixed link is fixedly connected with fixed plate, side of the fixed plate close to bridge pier side
Wall is fixedly connected with several wheel carriers, is connected with idler wheel, the top of the bridge pier by wheel shaft on each wheel carrier
It is fixedly connected with beam body, and the two sides of the bridge pier are provided with dynamic mount, the two sides top inner wall of the pedestal is fixed to be connected
It is connected to mounting base, two connecting rods is connected with by bar axis in the mounting base, the activity of the end of two connecting rods is even
The side wall in dynamic mount is connect, and is fixedly connected with cross bar between two connecting rods, if the shaft of the cross bar is fixedly connected with
Dry first spring, the other end of each first spring are fixedly connected with the side wall in dynamic mount, under the mounting base
Side is provided with limited block, and the limited block is fixedly connected on the top inner wall of pedestal, and offers limiting slot on the limited block,
The two sides top outer wall of the bridge pier offers gear grooved, and two side bottoms of the beam body are fixedly connected to fixed frame, institute
It states and is fixedly connected with a pair of of lower fixed seat at the top of fixed frame, be provided with upper fixed seat right above a pair of lower fixed seat,
Fixed seat is fixedly connected on the bottom of beam body, and is flexibly connected between fixed seat and lower fixed seat by bar axis
There are several motion bars, be flexibly connected by bar axis between every adjacent two motion bars, the end of the fixed frame is logical
It crosses wheel shaft and is connected with gear, and the bottom of the fixed frame is fixedly connected with fixture block on several, each upper fixture block
Underface be provided with lower fixture block, the lower fixture block is fixedly connected on the top of dynamic mount, and the lower fixture block and upper fixture block
Between be provided with shock-absorbing ball, be fixedly connected to second spring on the upper fixture block and lower fixture block, the second spring it is another
End is respectively fixedly connected with the bottom in fixed frame and the top of dynamic mount.
Preferably, the dynamic mount is U-shaped structure, and the bottom of the dynamic mount raises upward and passes through limiting slot.
Preferably, side wall of the dynamic mount close to bridge pier side is provided with several damping blocks, and the damping block is half
Spherical rubber block structure.
Preferably, the wheel wall of the gear is provided with a circle triangle gear teeth, and the cell wall of the gear grooved is provided with several
A triangle tooth being meshed with the gear teeth.
Preferably, the upper fixture block and lower fixture block are arc block structure, and center is located on the same line, and described
The diameter of upper fixture block and lower fixture block is all larger than the diameter of shock-absorbing ball.
Compared with prior art, the utility model has the beneficial effects that
1, reasonable in design, anti-seismic performance is good, rushes when can effectively weaken earthquake outburst to caused by bridge pier and beam body
Hit power.
2, stability is high, can reduce the displacement amplitude of bridge pier and beam body in earthquake outburst, avoid influencing earthquake relief work
The degree that has a good transport and communication network in journey.
3, safety coefficient is high, beam body can be effectively prevent to collapse and cause casualties.
Detailed description of the invention:
Attached drawing 1 is a kind of overall structure diagram of high energy dissipation type bridge earthquake resistance device of a width better embodiment.
Attached drawing 2 is enlarged drawing at the A of Fig. 1 of a width better embodiment.
Attached drawing 3 is enlarged drawing at the B of Fig. 1 of a width better embodiment.
In figure: 1 pedestal, 2 fixing grooves, 3 bridge piers, 4 bar slots, 5 fixed links, 6 fixed plates, 7 wheel carriers, 8 idler wheels, 9 beam bodies, 10 subtract
Shake frame, 11 mounting bases, 12 connecting rods, 13 cross bars, 14 first springs, 15 limited blocks, 16 limiting slots, 17 gear grooveds, 18 fixed frames, 19
Lower fixed seat, 20 upper fixed seats, 21 motion bars, 22 gears, fixture block, 24 lower fixture blocks, 25 shock-absorbing balls, 26 second springs, 27 on 23
Damping block.
Specific embodiment:
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of high energy dissipation type bridge earthquake resistance device, including
Pedestal 1, the center of pedestal 1 offer fixing groove 2, and fixing groove 2 is interior inserted with bridge pier 3, and the two sides cell wall of fixing groove 2 opens up
There are several bar slots 4, the slot bottom of each bar slot 4 is fixedly connected to fixed link 5, and the end of fixed link 5 is fixedly connected with fixation
Plate 6, side wall of the fixed plate 6 close to 3 side of bridge pier are fixedly connected with several wheel carriers 7, pass through wheel shaft activity on each wheel carrier 7
It is connected with idler wheel 8, idler wheel 8 is in contact with the side wall of bridge pier 3, can be to bridge pier 3 using the rolling action between idler wheel 8 and bridge pier 3
It is fixed, and plays certain cushioning effect, the top of bridge pier 3 is fixedly connected with beam body 9, and the two sides of bridge pier 3 are respectively provided with
There is dynamic mount 10, side wall of the dynamic mount 10 close to 3 side of bridge pier is provided with several damping blocks 27, and damping block 27 is hemispherical rubber
Blob of viscose structure has elasticity, flexible deformation can occur when depressed, therefore fixed and buffer function can be played to bridge pier 3,
Prevent bridge pier 3 from shaking under the impact force action of earthquake, the two sides top inner wall of pedestal 1 is fixedly connected to mounting base
11, two connecting rods 12 are connected with by bar axis in mounting base 11, the end of two connecting rods 12 is movably connected in dynamic mount
10 side wall, and be fixedly connected with cross bar 13 between two connecting rods 12, using cross bar 13 two connecting rods 12 can be played limit and
Fixed function prevents two connecting rods 12 to be subjected to displacement, and the shaft of cross bar 13 is fixedly connected with several the first springs 14, Mei Ge
The other end of one spring 14 is fixedly connected with the side wall in dynamic mount 10, and the lower section of mounting base 11 is provided with limited block 15, limit
Block 15 is fixedly connected on the top inner wall of pedestal 1, and limiting slot 16 is offered on limited block 15, and dynamic mount 10 is U-shaped structure,
And the bottom of dynamic mount 10 raises upward and passes through limiting slot 16, can play the work of limit to dynamic mount 10 using limiting slot 16
With to prevent about 10 play of dynamic mount, the two sides top outer wall of bridge pier 3 offers gear grooved 17, two side bottoms of beam body 9
It is fixedly connected to fixed frame 18, the top of fixed frame 18 is fixedly connected with a pair of of lower fixed seat 19, a pair of of lower fixed seat 19
Surface is provided with upper fixed seat 20, and upper fixed seat 20 is fixedly connected on the bottom of beam body 9, and upper fixed seat 20 and lower fixed seat
Several motion bars 21 are connected with by bar axis between 19, are connected by the activity of bar axis between every adjacent two motion bars 21
It connects, motion bar 21 can relatively rotate each other, and the end of fixed frame 18 is connected with gear 22, gear by wheel shaft
22 wheel wall is provided with a circle triangle gear teeth, and the cell wall of gear grooved 17 is provided with several triangle items being meshed with the gear teeth
Tooth may make gear 22 to make small-scale rolling along the cell wall of gear grooved 17 using the engagement between the gear teeth and tooth,
The bottom of fixed frame 18 is fixedly connected with fixture block 23 on several, and the underface of each upper fixture block 23 is provided with lower fixture block 24,
Lower fixture block 24 is fixedly connected on the top of dynamic mount 10, and shock-absorbing ball 25, damping are provided between lower fixture block 24 and upper fixture block 23
Ball 25 is similarly rubber material, flexible deformation can occur, upper fixture block 23 and lower fixture block 24 are arc block structure, and center is located at
On same straight line, and the diameter of upper fixture block 23 and lower fixture block 24 is all larger than the diameter of shock-absorbing ball 25, so that guaranteeing can be by damping
Ball 25 is stuck between fixture block 23 and lower fixture block 24, is fixedly connected to second spring 26 on upper fixture block 23 and lower fixture block 24, the
The other end of two springs 26 is respectively fixedly connected with the bottom in fixed frame 18 and the top of dynamic mount 10.
Working principle: it when the utility model is used, can tentatively be fixed to bridge pier 3 using fixing groove 2, and utilizes
Idler wheel 8 can further reinforce bridge pier 3, prevent bridge pier 3 from shaking and influencing the stability of bridge in earthquake outburst
And safety utilizes the damping block 27 of 10 side wall of dynamic mount when under the impact force action of earthquake slight displacement occurs for bridge pier 3
Absorbable part of impact force, to play damping and buffer function to bridge pier 3, and reduces the displacement amplitude of bridge pier 3, utilizes first
The elastic reaction of spring 14 can play the buffer function to dynamic mount 10, then dynamic mount 10 can be prevented in earthquake using limiting slot 16
Impact force action under play up and down, certain deformation can occur when beam body 9 is by external impacts and be bent downwardly, it is solid at this time
The cell wall rolling that frame 18 will drive gear 22 along gear grooved 17 is determined, and fixed frame 18 can generate downward pressure, thus band
Dynamic upper fixture block 23 generates downward displacement and generates extruding to shock-absorbing ball 25, can generate elastic change after shock-absorbing ball 25 is squeezed
Shape, so that the absorbable upper pressure to be administered of fixture block 23 avoids beam body 9 because of deformation and displacement amplitude to reduce its displacement amplitude
It is excessive and influence the degree that has a good transport and communication network during earthquake relief work, while being collapsed prevented also from beam body 9 and personnel is caused to hurt
It dies.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of high energy dissipation type bridge earthquake resistance device, including pedestal (1), it is characterised in that: the center of the pedestal (1) offers
Fixing groove (2), inserted with bridge pier (3) in the fixing groove (2), and the two sides cell wall of the fixing groove (2) offer it is several
The slot bottom of a bar slot (4), each bar slot (4) is fixedly connected to fixed link (5), and the end of the fixed link (5) is fixed
It is connected with fixed plate (6), side wall of the fixed plate (6) close to bridge pier (3) side is fixedly connected with several wheel carriers (7), often
It is connected with idler wheel (8) by wheel shaft on a wheel carrier (7), is fixedly connected with beam body at the top of the bridge pier (3)
(9), and the two sides of the bridge pier (3) are provided with dynamic mount (10), and the two sides top inner wall of the pedestal (1) is fixedly connected with
Have mounting base (11), two connecting rods (12), two connecting rods (12) are connected with by bar axis on the mounting base (11)
End be movably connected in the side wall of dynamic mount (10), and be fixedly connected with cross bar (13) between two connecting rods (12),
The shaft of the cross bar (13) is fixedly connected with several the first springs (14), and the other end of each first spring (14) is equal
It is fixedly connected on the side wall of dynamic mount (10), is provided with limited block (15), the limited block below the mounting base (11)
(15) it is fixedly connected on the top inner wall of pedestal (1), and offers limiting slot (16), the bridge pier on the limited block (15)
(3) two sides top outer wall offers gear grooved (17), and two side bottoms of the beam body (9) are fixedly connected to fixed frame
(18), it is fixedly connected with a pair of of lower fixed seat (19) at the top of the fixed frame (18), a pair of lower fixed seat (19) is just
Top is provided with upper fixed seat (20), and fixed seat (20) is fixedly connected on the bottom of beam body (9), and fixed seat
(20) several motion bars (21) are connected with by bar axis between lower fixed seat (19), per adjacent two motion bars
(21) it being flexibly connected by bar axis between, the end of the fixed frame (18) is connected with gear (22) by wheel shaft, and
The bottom of the fixed frame (18) is fixedly connected with fixture block on several (23), is all provided with immediately below each upper fixture block (23)
Be equipped with lower fixture block (24), the lower fixture block (24) is fixedly connected on the top of dynamic mount (10), and the lower fixture block (24) with it is upper
It is provided between fixture block (23) shock-absorbing ball (25), is fixedly connected to second spring on the upper fixture block (23) and lower fixture block (24)
(26), the other end of the second spring (26) is respectively fixedly connected with the bottom in fixed frame (18) and the top of dynamic mount (10)
Portion.
2. a kind of high energy dissipation type bridge earthquake resistance device according to claim 1, it is characterised in that: the dynamic mount (10) is
U-shaped structure, and the bottom of the dynamic mount (10) raises upward and passes through limiting slot (16).
3. a kind of high energy dissipation type bridge earthquake resistance device according to claim 1, it is characterised in that: the dynamic mount (10) is leaned on
The side wall of nearly bridge pier (3) side is provided with several damping blocks (27), and the damping block (27) is hemispherical rubber block structure.
4. a kind of high energy dissipation type bridge earthquake resistance device according to claim 1, it is characterised in that: the wheel of the gear (22)
Wall is provided with a circle triangle gear teeth, and the cell wall of the gear grooved (17) is provided with several triangle items being meshed with the gear teeth
Tooth.
5. a kind of high energy dissipation type bridge earthquake resistance device according to claim 1, it is characterised in that: the upper fixture block (23) with
Lower fixture block (24) is arc block structure, and center is located on the same line, and the upper fixture block (23) and lower fixture block (24)
Diameter be all larger than the diameters of shock-absorbing ball (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821807647.5U CN209211253U (en) | 2018-10-22 | 2018-10-22 | A kind of high energy dissipation type bridge earthquake resistance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821807647.5U CN209211253U (en) | 2018-10-22 | 2018-10-22 | A kind of high energy dissipation type bridge earthquake resistance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209211253U true CN209211253U (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821807647.5U Active CN209211253U (en) | 2018-10-22 | 2018-10-22 | A kind of high energy dissipation type bridge earthquake resistance device |
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| Country | Link |
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| CN (1) | CN209211253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235233A (en) * | 2018-10-22 | 2019-01-18 | 北方民族大学 | A kind of high energy dissipation type bridge earthquake resistance device |
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2018
- 2018-10-22 CN CN201821807647.5U patent/CN209211253U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235233A (en) * | 2018-10-22 | 2019-01-18 | 北方民族大学 | A kind of high energy dissipation type bridge earthquake resistance device |
| CN109235233B (en) * | 2018-10-22 | 2024-03-01 | 北方民族大学 | High energy dissipation type bridge anti-seismic device |
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