CN109958057A - A kind of widely applicable longitudinal anti-drop device of novel bridge construction - Google Patents
A kind of widely applicable longitudinal anti-drop device of novel bridge construction Download PDFInfo
- Publication number
- CN109958057A CN109958057A CN201910176082.8A CN201910176082A CN109958057A CN 109958057 A CN109958057 A CN 109958057A CN 201910176082 A CN201910176082 A CN 201910176082A CN 109958057 A CN109958057 A CN 109958057A
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- China
- Prior art keywords
- bearing
- central sill
- bridge
- widely applicable
- drop device
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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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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a kind of widely applicable longitudinal anti-drop devices of novel bridge construction, its structure includes hanger, compressing support, bearing, central sill, compressing support and bearing are fixed on jointly in the expansion joint in bridge face, the reinforcing rib for being matched with compressing support and central sill is respectively equipped in bridge face, reinforcing rib is ring structure, it include that anchoring Expansion bar and buffering draw solid item in bearing, anchoring Expansion bar is set to central sill and is located at the two sides inside bearing, interlaced weft is equipped in the inside of central sill, anchoring Expansion bar is provided with nut, screw rod, limited mouth, expansion tube, central sill of the present invention is set in bearing, wherein bearing is set in the expansion joint of transition pier, combine anchoring Expansion bar linking between transition pier using compressing support, to reduce the seismic response that transition pier is subject to, it is equipped in central sill mutual Staggeredly and wavy weft improves the buffer capacity inside bearing.
Description
Technical field
The present invention relates to field of bridge construction, are a kind of widely applicable longitudinal anti-fall dresses of novel bridge construction particularly
It sets.
Background technique
Under geological process, due to bridge it is adjacent across period is different and the row wave effect of seismic wave, adjacent bridge is across production
Raw non-movement in the same direction and collision generate biggish relative displacement so as to cause fine strain of millet-fine strain of millet or pier-fine strain of millet, when relative displacement has been more than branch
Just cause superstructure when the length of support falls fine strain of millet destruction, this is the principal mode of bridge earthquake, falls fine strain of millet due to bridge span structure
It interrupts traffic lines completely, brings very big inconvenience to the rescue work after shake, cause huge life and property loss and economic damage
Lose, it is therefore prevented that bridge structure under geological process fall fine strain of millet destroy it is most important.
It is a kind of effective anti-fall beam method that the prior art installs restraint device at bridge expanssion joint, wherein using stopping
Although property limiting device can effectively limit pier beam relative displacement, anti-fall beam effect is played, thus caused limiting device
The seismic response that transition pier can be significantly increased with transition pier collision, causes the shock resistance of transition pier poor.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of widely applicable longitudinal anti-drop device of novel bridge construction.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of widely applicable novel
Bridge construction longitudinal direction anti-drop device, structure include hanger, compressing support, bearing, central sill, the compressing support and pressure-bearing
Support is fixed on jointly in the expansion joint in bridge face, and the reinforcement for being matched with compressing support and central sill is respectively equipped in bridge face
Muscle, the reinforcing rib are ring structure, include anchoring Expansion bar and the solid item of buffering drawing in the bearing, and the anchoring is swollen
Swollen stick is set to central sill and is located at the two sides inside bearing, is equipped with interlaced weft in the inside of central sill, the anchoring is swollen
Swollen stick is provided with nut, screw rod, limited mouth, expansion tube, and the nut is threadedly connected to the head of screw rod, and screw rod direction expansion
One end of pipe offers the limited mouth of cooperation bridge joint face, and the buffering draws solid item to be made of steel ball and tie rod, wherein tie rod
Two sides be fixed on central sill by steel ball.
As a further improvement of the present invention, the anchoring Expansion bar is L-shaped structure, is equipped with and passes through in the two sides of bearing
Wear the threaded hole for being matched with anchoring Expansion bar vertical end.
As a further improvement of the present invention, the tail portion of the screw rod is coniform, and the internal diameter of circular cone is less than in expansion tube
Diameter.
As a further improvement of the present invention, it inserts embedded in dangerous intersection gap one end that the tie rod extends into central sill
In.
As a further improvement of the present invention, the weft is wavy shaped configuration.
As a further improvement of the present invention, the outer surface of the expansion tube is made of several rigid fins.
As a further improvement of the present invention, several are welded on the end face that the rigid fin is contacted with bridge just
Thorn.
Compared with prior art, the invention has the following beneficial effects:
1, central sill of the present invention is set in bearing, and wherein bearing is set in the expansion joint of transition pier, utilizes compression
Support combines anchoring Expansion bar linking between transition pier, and to reduce the seismic response that transition pier is subject to, phase is equipped in central sill
Mutually staggeredly and wavy weft improves the buffer capacity inside bearing.
2, the nut of the anchoring Expansion bar of L-type structure of the present invention thereon is then placed on bearing, is facilitated fixation, is tied simultaneously
The rigid fin that is deeply allowed to for closing expansion tube expands on joint face, improves the contact area of joint face, and in rigid fin
The friction that two joint faces can be improved in the rigid thorn that contact surface is equipped with keeps its fixation stronger.
3, present invention anchoring Expansion bar is mainly located in the inside of bearing, and exposed part is only 1cm, so that being not required to
Between the transition pier for wanting special reserved space that can directly fix, screw blind spot in fixation, screw rod and expansion tube it
Between the limited mouth that cooperates can play the role of prompting pause in the fixation in optimum degree.
4, solid item is drawn to fix by buffering between central sill and bearing of the invention, it is transverse design that buffering, which draws solid item, together
Tie rod on Shi Liyong impingement area can suitably increase the spacing in central sill and bearing, can tentatively mitigate the outer impingement area of central sill
Earthquake shock power.
Detailed description of the invention
Fig. 1 is a kind of surface structure schematic diagram of the widely applicable longitudinal anti-drop device of novel bridge construction of the present invention.
Fig. 2 is mounting structure schematic diagram of the invention.
Fig. 3 is the inner plane structural schematic diagram of bearing of the present invention.
Fig. 4 is the structure enlargement diagram of a in Fig. 3 of the present invention.
Fig. 5 is the schematic perspective view of present invention anchoring Expansion bar.
Fig. 6 is the Plane Installation structural schematic diagram of present invention anchoring Expansion bar.
In figure: hanger -1, compressing support -2, bearing -3, central sill -4, bridge face -5, reinforcing rib -6, anchoring expansion
Stick -31, buffering draw solid item -32, weft -41, nut -311, screw rod -312, limited mouth -313, expansion tube -314, tie rod -322,
Rigid fin -14a, rigid thorn -4a.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, FIG. 1 to FIG. 6
The structure of the longitudinal anti-drop device of beam construction of embodiment of the present invention is schematically shown, With reference to embodiment,
The present invention is further explained.
Embodiment
As shown in figs 1 to 6, the present invention provides a kind of widely applicable longitudinal anti-drop device of novel bridge construction, structure
Including hanger 1, compressing support 2, bearing 3, central sill 4, the compressing support 2 is fixed on bridge face 5 with bearing 3 jointly
Expansion joint in, be respectively equipped with the reinforcing rib 6 for being matched with compressing support 2 Yu central sill 4 in bridge face 5, the reinforcing rib 6 is ring
Shape structure includes that anchoring Expansion bar 31 and buffering draw solid item 32 in the bearing 3, during the anchoring Expansion bar 31 is set to
Beam 4 is located at the two sides inside bearing 3, is equipped with interlaced weft 41, the anchoring Expansion bar 31 in the inside of central sill 4
It is provided with nut 311, screw rod 312, limited mouth 313, expansion tube 314, the nut 311 is threadedly connected to the head of screw rod 312,
And one end of screw rod 312 towards expansion tube 314 offers the limited mouth 313 of cooperation bridge joint face, the buffering draws solid item 32
It is made of steel ball 321 and tie rod 322, wherein the two sides of tie rod 322 are fixed on central sill 4 by steel ball 321.
The anchoring Expansion bar 31 be L-shaped structure, the two sides of bearing 3 be equipped with through be matched with anchoring Expansion bar 31
The threaded hole of vertical end.
The tail portion of the screw rod 312 be it is coniform, the internal diameter of circular cone is less than 314 internal diameter of expansion tube.
It inserts in the intersection gap of danger 41 one end that the tie rod 322 extends into central sill 4.
The weft 41 is wavy shaped configuration.
The outer surface of the expansion tube 314 is made of several rigid fins 14a.
Several just thorn 4a are welded on the end face that the rigid fin 14a is contacted with bridge.
The working principle of the longitudinal anti-drop device of beam construction in above-mentioned technical proposal is explained as follows below:
When two upper structure type is different before and after bridge, the deck-molding of girder is also just with variation, at this moment
The pier for waiting the delivery position in two is transition pier, for the seismic response being subject in reduction transition pier, further increases bridge
Anti-fall effect, the present invention are mostly installed in the expansion joint in transition pier, combined with compressing support 2 with bearing 3 central sill 4,
Expansion bar 31 is anchored, for fixing transition pier and bridge, using the weft 41 in central sill 4, weft 41 is interlaced wavy
Structure, the earthquake shock power that buffering transition pier is subject to, reduces the seismic response of transition pier, secondly, anchoring Expansion bar 31 is being installed
Upper to be not necessarily to special slot milling, the structure of L-type designs, and can realize portable fixing from tightening nuts 311 on bearing 3,
Expansion tube 314 directly enters into joint face in fixation, until limited mouth 313 blocks two joint faces, the rigid fin of expansion tube 314
14a is spread in joint face, and the frictional force of joint face is improved in conjunction with the rigid thorn 4a on rigid fin 14a, improves anchor connection
Reliability.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this
The range of invention is indicated by the appended claims rather than the foregoing description, it is intended that the equivalent requirements of the claims will be fallen in
All changes in meaning and scope are included within the present invention.It should not treat any reference in the claims as limitation institute
The claim being related to.
Claims (7)
- Longitudinal anti-drop device 1. a kind of widely applicable novel bridge is constructed, structure include hanger (1), compressing support (2), hold Press support (3), central sill (4), it is characterised in that:The compressing support (2) and bearing (3) are fixed on jointly in the expansion joint of bridge face (5), are divided in bridge face (5) It She You be matched with the reinforcing rib (6) of compressing support (2) Yu central sill (4), the reinforcing rib (6) is ring structure, the pressure-bearing It include that anchoring Expansion bar (31) and buffering are drawn solid item (32) in support (3), the anchoring Expansion bar (31) is set to central sill (4) position In the internal two sides of bearing (3), interlaced weft (41) is equipped in the inside of central sill (4)；The anchoring Expansion bar (31) is provided with nut (311), screw rod (312), limited mouth (313), expansion tube (314), described Nut (311) is threadedly connected to the head of screw rod (312), and one end of screw rod (312) towards expansion tube (314) offers cooperation The limited mouth (313) of bridge joint face, the buffering draw solid item (32) to be made of steel ball (321) and tie rod (322), wherein tie rod (322) two sides are fixed on central sill (4) by steel ball (321).
- Longitudinal anti-drop device 2. the widely applicable novel bridge of one kind according to claim 1 is constructed, it is characterised in that: institute Stating anchoring Expansion bar (31) is L-shaped structure, is equipped in the two sides of bearing (3) vertical through anchoring Expansion bar (31) is matched with The threaded hole at end.
- Longitudinal anti-drop device 3. the widely applicable novel bridge of one kind according to claim 1 is constructed, it is characterised in that: institute State the tail portion of screw rod (312) be it is coniform, the internal diameter of circular cone is less than expansion tube (314) internal diameter.
- Longitudinal anti-drop device 4. the widely applicable novel bridge of one kind according to claim 1 is constructed, it is characterised in that: institute Tie rod (322) is stated to extend into the slotting intersection gap for being embedded in weft (41) in one end of central sill (4).
- Longitudinal anti-drop device 5. the widely applicable novel bridge of one kind according to claim 1 or 4 is constructed, feature exist In: the weft (41) is wavy shaped configuration.
- Longitudinal anti-drop device 6. the widely applicable novel bridge of one kind according to claim 3 is constructed, it is characterised in that: institute The outer surface for stating expansion tube (314) is made of several rigid fins (14a).
- Longitudinal anti-drop device 7. the widely applicable novel bridge of one kind according to claim 6 is constructed, it is characterised in that: institute It states and is welded with several just thorns (4a) on the end face that rigid fin (14a) is contacted with bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176082.8A CN109958057B (en) | 2019-03-08 | 2019-03-08 | Be suitable for extensive bridge construction and vertically prevent device that falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910176082.8A CN109958057B (en) | 2019-03-08 | 2019-03-08 | Be suitable for extensive bridge construction and vertically prevent device that falls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109958057A true CN109958057A (en) | 2019-07-02 |
| CN109958057B CN109958057B (en) | 2021-11-02 |
Family
ID=67024130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910176082.8A Active CN109958057B (en) | 2019-03-08 | 2019-03-08 | Be suitable for extensive bridge construction and vertically prevent device that falls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109958057B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006193943A (en) * | 2005-01-12 | 2006-07-27 | Yokohama Rubber Co Ltd:The | Road bridge beam expansion device |
| CN203546991U (en) * | 2013-11-13 | 2014-04-16 | 徐留旺 | Fixing anchor bolt structure for outer wall stone curtain wall |
| CN204703061U (en) * | 2015-04-20 | 2015-10-14 | 孟宪峰 | Bridge expanssion joint |
| CN105019354A (en) * | 2015-06-05 | 2015-11-04 | 衡水橡胶股份有限公司 | Mounting method for modular anti-drop-beam expansion joint device |
| CN206408519U (en) * | 2016-12-15 | 2017-08-15 | 鞍山中铁工务器材有限公司 | A kind of bridge expanssion joint with pooling feature |
| CN207047688U (en) * | 2017-07-21 | 2018-02-27 | 王龙 | A kind of expansion joint device for steel plate built-up bridge |
| CN207619832U (en) * | 2017-12-15 | 2018-07-17 | 中联西北工程设计研究院有限公司 | A kind of bridge composite seamless expansion joint |
| CN208501481U (en) * | 2018-04-25 | 2019-02-15 | 谢娟娟 | A kind of expansion joint device for steel plate built-up bridge |
-
2019
- 2019-03-08 CN CN201910176082.8A patent/CN109958057B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006193943A (en) * | 2005-01-12 | 2006-07-27 | Yokohama Rubber Co Ltd:The | Road bridge beam expansion device |
| CN203546991U (en) * | 2013-11-13 | 2014-04-16 | 徐留旺 | Fixing anchor bolt structure for outer wall stone curtain wall |
| CN204703061U (en) * | 2015-04-20 | 2015-10-14 | 孟宪峰 | Bridge expanssion joint |
| CN105019354A (en) * | 2015-06-05 | 2015-11-04 | 衡水橡胶股份有限公司 | Mounting method for modular anti-drop-beam expansion joint device |
| CN206408519U (en) * | 2016-12-15 | 2017-08-15 | 鞍山中铁工务器材有限公司 | A kind of bridge expanssion joint with pooling feature |
| CN207047688U (en) * | 2017-07-21 | 2018-02-27 | 王龙 | A kind of expansion joint device for steel plate built-up bridge |
| CN207619832U (en) * | 2017-12-15 | 2018-07-17 | 中联西北工程设计研究院有限公司 | A kind of bridge composite seamless expansion joint |
| CN208501481U (en) * | 2018-04-25 | 2019-02-15 | 谢娟娟 | A kind of expansion joint device for steel plate built-up bridge |
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| Publication number | Publication date |
|---|---|
| CN109958057B (en) | 2021-11-02 |
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