CN209384092U - A kind of anti-fall beam support of bridge earthquake resistance - Google Patents
A kind of anti-fall beam support of bridge earthquake resistance Download PDFInfo
- Publication number
- CN209384092U CN209384092U CN201822198587.8U CN201822198587U CN209384092U CN 209384092 U CN209384092 U CN 209384092U CN 201822198587 U CN201822198587 U CN 201822198587U CN 209384092 U CN209384092 U CN 209384092U
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- CN
- China
- Prior art keywords
- bridge
- sliding
- base plate
- upper base
- lower seat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of anti-fall beam supports of bridge earthquake resistance, it is related to girder falling field, aim to solve the problem that the problem of traditional antivibration capability of bridge difference, its key points of the technical solution are that a kind of anti-fall beam support of bridge earthquake resistance, including bridge pier, upper base plate and lower seat board are provided between the bridge pier and bridge, there is the spring of several high intensity in equal portion between the upper base plate and lower seat board, the lower seat board is located on bridge pier, the bridge is located on upper base plate, and the utility model has achieved the effect that improve antivibration capability of bridge.
Description
Technical field
The utility model relates to the technical fields of girder falling, more particularly, to a kind of anti-fall beam support of bridge earthquake resistance.
Background technique
It is used to antidetonation inside bridge structure, the connection measure construction way for preventing beam body from falling or disengaging: exists including setting
Linkage between adjacent beam body and/or between abutment and beam body is upwardly formed an at least flexibility in overall length of bridge side and connects
Junctor system, linkage are made of connecting rod, damper.
Referring to Fig.1, existing bridge 1 is that direct frame is placed on two adjacent bridge piers 12, needs to set on bridge pier 12
When setting bridge 1, as long as full hall scaffold will be arranged between two bridge piers 12, then the formwork supporting plate on scaffold, then will be mixed
Solidifying soil is poured into template, and after coagulation solidification, the bridge 1 being placed on bridge pier 12 will be condensed by removing template coagulation.
Prior art among the above has the following deficiencies: the product of Building class, important especially as bridge
Engineering has to consider some natural causes, if earthquake feeds through to the bridge, most directly affects between bridge and bridge pier and is exactly
Rigid collision can occur, bridge between earthquake and bridge pier because collide, it is easy to cause to damage to bridge, this problems demand
It solves.
Utility model content
The purpose of the utility model is to provide a kind of anti-fall beam supports of bridge earthquake resistance, have and improve antivibration capability of bridge
Effect.
To achieve the above object, the utility model provides following technical solution:
A kind of anti-fall beam support of bridge earthquake resistance, including bridge pier, are provided with upper base plate and lower seat between the bridge pier and bridge
Plate, there is the spring of several high intensity in equal portion between the upper base plate and lower seat board, and the lower seat board is located on bridge pier, the bridge
Beam is located on upper base plate.
By using above-mentioned technical proposal, when bridge is located on upper base plate, bridge is compacted between upper base plate and lower seat board
High-strength spring, when seismic wave and when to the bridge, bridge can make corresponding vibration, if the vibration of bridge directly acts on
On bridge pier, rigid collision likely results in bridge damage, and existing spring is between bridge and bridge pier, and earthquake drives
Bridge vibration, bridge vibration bring energy can be absorbed by spring, and be discharged in a manner of vibration, so that playing prevents bridge rigid
Property collision bridge pier effect, and then play the role of improve antivibration capability of bridge.
Further, sliding cylinder is arranged in the upper base plate, and sliding is provided on the lower seat board and is wrapped in outside sliding cylinder
Wrap up cylinder.
It by using above-mentioned technical proposal, wraps up cylinder and is wrapped in outside sliding cylinder, when bridge drives upper base plate and lower seat board hair
When raw relative displacement, package cylinder will limit the position of sliding cylinder, so that playing prevents upper base plate and lower seat board from relative displacement occurs
Effect, and then play the role of protect spring.
Further, the upper base plate and lower seat board are evenly equipped with several adjustment holes along edge, and the adjustment hole internal screw thread is worn
Equipped with bolt is adjusted, the both ends for adjusting bolt are provided with fixture nut；It offers on the bridge and is stretched for adjusting bolt
The relief hole of contracting.
By using above-mentioned technical proposal, because of being limited in scope of can lifting of bridge, placed under bridge upper base plate and under
Before seat board, the distance between upper base plate and lower seat board are first adjusted, when the distance between upper base plate and lower seat board are sufficiently small, on
Seat board and lower seat board can be just put under bridge, to play the role of convenient placement upper base plate and lower seat board under bridge.
Further, the limit hole of restricted fixture nut rotation is opened up on the lower seat board.
By using above-mentioned technical proposal, need to adjust between upper base plate and lower seat board apart from when, as long as by under lower seat board
Fixture nut be placed in limit hole, then rotate upper base plate on fixture nut, thus play facilitate adjust the seat of honour
The effect of distance between plate and lower seat board.
Further, sliding rail is provided on the upper base plate, sliding is provided with sliding block in the sliding rail, and the sliding rail is along vertical
Directly it is arranged in the length direction of bridge, the relief hole on the bridge is arranged to the recessing groove for adjusting bolt sliding.
By using above-mentioned technical proposal, when needing that upper base plate and lower seat board are arranged between bridge and bridge pier, sliding block is wanted
It is fixed on bridge, then when bridge is by lateral displacement, bridge will drive sliding block and be displaced sideways in sliding rail, without directly will
Spring between upper base plate and lower seat board is bent, to play the role of protecting spring.
Further, sliding bar is provided on upper base plate, the sliding bar is arranged along the plane of parallel upper base plate, the cunning
Sliding sleeve is equipped with buffer board of the plug between the adjacent bridge in both ends in lever.
By using above-mentioned technical proposal, the direction of earthquake be it is random, the earthquake of horizontal direction always will drive adjacent
It is squeezed between bridge, buffer board at this time can weaken the collision between adjacent bridge, to play further protection bridge
Beam action.
Further, the buffer board includes two push plates staggered relatively, and rubber cushion blocks are arranged between the push plate.
By using above-mentioned technical proposal, push plate is capable of increasing direct acting surface of the rubber cushion blocks between adjacent bridge
Product, and push plate can prevent bridge to be directly extruded on rubber cushion blocks, to play the role of protecting rubber cushion blocks.
Further, the sliding cylinder is provided with the first stiffening plate far from package cylinder on one side, and the package cylinder is far from sliding
One end of dynamic cylinder is provided with the second stiffening plate.
By using above-mentioned technical proposal, the first stiffening plate can be improved the bend resistance ability of sliding cylinder, the second stiffening plate
It can be improved the bend resistance ability of package cylinder, to play the role of protecting sliding cylinder and wrap up cylinder, and then play raising sliding
The effect of cylinder and package cylinder service life.
In conclusion the advantageous effects of the utility model are as follows:
1, lower seat board, upper base plate and spring are used, to generate the effect for improving antivibration capability of bridge；
2, use adjustment hole, adjust bolt and fixture nut, thus generate adjust between upper base plate and lower seat board away from
From effect；
3, sliding cylinder and package cylinder are used, to generate the effect for preventing from occurring between upper base plate and lower seat board the mutual changing of the relative positions
Fruit.
Detailed description of the invention
Fig. 1 is existing bridge bridging arrangement schematic diagram in background technique；
Fig. 2 is the overall structure diagram of the utility model；
Fig. 3 is the structural schematic diagram at the utility model upper base plate and lower seat board；
Fig. 4 is the section configuration schematic diagram at the utility model sliding cylinder；
Fig. 5 is the schematic diagram of the section structure on the utility model bridge；
Fig. 6 is the schematic diagram of the section structure at the utility model buffer board.
In figure, 1, bridge；11, recessing groove；12, bridge pier；2, upper base plate；21, spring；22, sliding rail；23, sliding block；24, sliding
Dynamic cylinder；25, the first stiffening plate；3, sliding bar；31, buffer board；32, push plate；33, rubber cushion blocks；4, lower seat board；41, limit hole；
42, adjustment hole；43, bolt is adjusted；44, fixture nut；45, cylinder is wrapped up；46, the second stiffening plate.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It is a kind of anti-fall beam support of bridge earthquake resistance disclosed by the utility model, including bridge pier 12, the bridge pier referring to Fig. 2
It is provided with lower seat board 4 on 12, upper base plate 2 is set on lower seat board 4, upper base plate 2 is arranged bridge 1 far from the one side of lower seat board 4, needs
Plug is when setting upper base plate 2 and lower seat board 4 under bridge 1, needs to be jacked up bridge 1 with jack certain height, then by upper base plate 2
And lower seat board 4 is filled between bridge pier 12 and bridge 1, then again slowly puts down bridge 1.
Referring to Fig. 3 and Fig. 4, lower seat board 4 is provided with package cylinder 45 close to upper base plate 2 on one side, and upper base plate 2 is close to lower seat board
Sliding cylinder 24 is arranged in 4 one side, and the sliding of sliding cylinder 24 is threaded through in package cylinder 45, the bullet of several high intensity of setting in sliding cylinder 24
Spring 21,21 one end of spring contradict on upper base plate 2, and the other end contradicts on lower seat board 4, wrap up one of cylinder 45 far from sliding cylinder 24
Face is provided with several first stiffening plates 25, and diametrically triangle is arranged the first stiffening plate 25, the first right-angle side of stiffening plate 25 1
It is fixed on package cylinder 45, another right-angle side is fixed on lower seat board 4, and the second stiffening plate 46 is evenly arranged on 24 inner sidewall of sliding cylinder, the
One right-angle side of two stiffening plates 46 is welded on upper base plate 2, another diameter side is fixed in sliding cylinder 24.Bridge 1 is placed
On upper base plate 2, when bridge 1 encounters earthquake, earthquake will drive bridge 1 and small vertical tremor occur, at this time the shake of bridge 1
It is dynamic to be absorbed by high-strength spring 21, and released energy in the form of vibration, so that playing prevents 1 rigid collision bridge pier 12 of bridge
Effect, and then play the role of improving 1 shock resistance of bridge.
Referring to Fig. 3 and Fig. 4, the four corners of upper base plate 2 and lower seat board 4 are respectively provided with adjustment hole 42, and sliding is worn in adjustment hole 42
If adjusting bolt 43, adjusts screw thread on bolt 43 and fixture nut 44 is set, restricted adjusting bolt 43 is set on lower seat board 4 and is rotated
Limit hole 41；Sliding rail 22 is opened up on upper base plate 2, sliding setting sliding block 23, sliding block 23 are higher than the side wall of sliding rail 22 in sliding rail 22,
When the contact of bridge 1 is on sliding block 23, sliding block 23 is temporarily welded on bridge 1；Upper base plate 2 and lower seat board 4 are put into bridge
Before between beam 1 and bridge pier 12, rotary fixing screw mother 44 adjusts the distance between upper base plate 2 and lower seat board 4, and bridge 1 is fixed on cunning
On block 23, when sidesway occurs for bridge 1, sliding block 23 can move in sliding rail 22, to play the work for preventing spring 21 to be bent over
With there are enough gaps between sliding rail 22 and sliding block 23, and the displacement of bridge 1 itself will not be very big.
Referring to figure 5 and figure 6, the position that the contact of bridge 1 adjusts bolt 43 offers the recessing groove slided for adjusting bolt 43
11, and buffer board 31 is set between adjacent bridge 1, buffer board 31 includes two pieces of push plates 32 and the rubber pad for being clipped in 32 centre of push plate
Sliding bar 3 is arranged on upper base plate 2 for block 33, and buffer board 31 is slidably located on sliding bar 3, thus play reduce adjacent bridge 1 it
Between buffering collision.
The implementation principle of the present embodiment are as follows: upper base plate 2 and lower seat board 4, upper base plate 2 are set between bridge 1 and bridge pier 12
High-intensitive spring 21 is set between lower seat board 4, and when earthquake drives bridge 1 to shake, the energy of earthquake can be absorbed by spring 21
And the form release shaken, to play the role of avoiding that rigid collision, the utility model occur between bridge 1 and bridge pier 12
Achieve the effect that improve 1 shock resistance of bridge.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of anti-fall beam support of bridge earthquake resistance, including bridge pier (12), it is characterised in that: the bridge pier (12) and bridge (1) it
Between be provided with upper base plate (2) and lower seat board (4), there is the bullet of several high intensity in equal portion between the upper base plate (2) and lower seat board (4)
Spring (21), the lower seat board (4) are located on bridge pier (12), and the bridge (1) is located on upper base plate (2).
2. the anti-fall beam support of bridge earthquake resistance according to claim 1, it is characterised in that: upper base plate (2) the setting sliding
Cylinder (24) is provided with sliding on the lower seat board (4) and is wrapped in the package cylinder (45) of sliding cylinder (24) outside.
3. the anti-fall beam support of bridge earthquake resistance according to claim 2, it is characterised in that: the upper base plate (2) and lower seat board
(4) it is evenly equipped with several adjustment holes (42) along edge, adjustment hole (42) internal screw thread, which is equipped with, adjusts bolt (43), the adjusting
The both ends of bolt (43) are provided with fixture nut (44)；It offers on the bridge (1) and is allowed for adjusting bolt (43) is flexible
Position hole.
4. the anti-fall beam support of bridge earthquake resistance according to claim 3, it is characterised in that: offered on the lower seat board (4)
Limit the limit hole (41) of fixture nut (44) rotation.
5. the anti-fall beam support of bridge earthquake resistance according to claim 3, it is characterised in that: be provided on the upper base plate (2)
Sliding rail (22), the interior sliding of the sliding rail (22) are provided with sliding block (23), and the sliding rail (22) is along the length side perpendicular to bridge (1)
To setting, the relief hole on the bridge (1) is arranged to the recessing groove (11) for adjusting bolt (43) sliding.
6. the anti-fall beam support of bridge earthquake resistance according to claim 5, it is characterised in that: upper base plate is provided with sliding on (2)
Bar (3), the sliding bar (3) are arranged along the plane of parallel upper base plate (2), and sliding sleeve is equipped with plug two on the sliding bar (3)
Hold the buffer board (31) between adjacent bridge (1).
7. the anti-fall beam support of bridge earthquake resistance according to claim 6, it is characterised in that: the buffer board (31) includes two
Push plate (32) staggered relatively is provided with rubber cushion blocks (33) between the push plate (32).
8. the anti-fall beam support of bridge earthquake resistance according to claim 2, it is characterised in that: the sliding cylinder (24) is far from package
Cylinder (45) is provided with the first stiffening plate (25) on one side, and package cylinder (45) is provided with second far from the one end of sliding cylinder (24)
Stiffening plate (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822198587.8U CN209384092U (en) | 2018-12-25 | 2018-12-25 | A kind of anti-fall beam support of bridge earthquake resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822198587.8U CN209384092U (en) | 2018-12-25 | 2018-12-25 | A kind of anti-fall beam support of bridge earthquake resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209384092U true CN209384092U (en) | 2019-09-13 |
Family
ID=67873393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822198587.8U Expired - Fee Related CN209384092U (en) | 2018-12-25 | 2018-12-25 | A kind of anti-fall beam support of bridge earthquake resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209384092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705628A (en) * | 2020-06-19 | 2020-09-25 | 山西省交通规划勘察设计院有限公司 | Combined supporting structure for transverse earthquake resistance of three-span bridge |
-
2018
- 2018-12-25 CN CN201822198587.8U patent/CN209384092U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705628A (en) * | 2020-06-19 | 2020-09-25 | 山西省交通规划勘察设计院有限公司 | Combined supporting structure for transverse earthquake resistance of three-span bridge |
| CN111705628B (en) * | 2020-06-19 | 2021-09-24 | 山西省交通规划勘察设计院有限公司 | Combined supporting structure for transverse earthquake resistance of three-span bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 Termination date: 20211225 |