CN207062743U - A kind of bridge shear trip - Google Patents
A kind of bridge shear trip Download PDFInfo
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- CN207062743U CN207062743U CN201720745287.XU CN201720745287U CN207062743U CN 207062743 U CN207062743 U CN 207062743U CN 201720745287 U CN201720745287 U CN 201720745287U CN 207062743 U CN207062743 U CN 207062743U
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Abstract
A kind of bridge shear trip, including trip top plate, trip bottom plate and lateral confinement guiding mechanism positioned there between, the lateral confinement guiding mechanism includes being connected to the upper constraint guiding mechanism of trip top board undersurface and is connected to the lower constraint guiding mechanism of trip plate top surface, constrains guiding mechanism cooperation up and down and forms lateral confinement guiding mechanism；The both sides of retention gap between constraint guiding mechanism up and down, the trip top plate and trip bottom plate are connected with the adjusting means of the size for adjusting gap.A kind of bridge shear trip can coordinate vertical support to be used for bridge or building that needs bear very big horizontal load; play lateral confinement and guide effect; bridge or building greater level load can not only be resisted, while also ensures the normal slip of beam body and the rotation of beam body；Its is compact-sized, reasonable in design, is conveniently replaceable, and does not need jack up girder can to realize when destroying and changes bridge shear trip, replacement cost is safeguarded in reduction.
Description
Technical field
It the utility model is related to a kind of bridge or building structure technology field, and in particular to upper in bridge or building structure
Portion's structure plays a kind of bridge shear trip of lateral confinement and guide effect.
Background technology
In science of bridge building, bridge pad is the important component for connecting bridge superstructure and substructure, it be responsible for by
The counter-force of bridge superstructure and deformation (displacement and corner) are reliably delivered to substructure, and bridge pad is always considered as
It is a weak link of comparison of seismic resistant properties, the Earthquake damages of bearing are all commonplace, and the antidetonation of usual bridge mainly passes through
Hold-down support resists the horizontal bearing capacity of beam body superstructure, but following deficiency be present：
1. when bearing horizontal bearing capacity is larger, seat structure is complicated, and floor space is huge so that bridge overall cost compared with
It is high；
2. when seismic force suffered by bridge anchor block is excessive, it is broken that the failure of hold-down support horizontal restraint just causes bearing that damage occurs
Bad, the reparation after shake still has many practical problems.
In order to overcome problem above, when needing to bear very big horizontal load, bridge or building are typically using " shearing card
Tenon " coordinates hold-down support to use, and existing " shearing force tenon " is as disclosed in notification number CN201272940Y utility model patent
Problems be present in a kind of " shearing force tenon "：
Its main structure is upper plate and lower plate, forms corresponding surface in upper plate and lower plate opposite end, one pair of which is answered on face
Provided with sliding block, another corresponding surface is provided with chute, and when beam body occurs flexible, sliding block can slide in chute；But sliding block with
Sliding pair is not provided between chute, when upper plate and lower plate bear horizontal horizontal shear, is formed between sliding block and chute
The frictional force of contact of the steel with steel, steel and steel is very big, and upper plate and lower plate are easily stuck, it will the normal displacement of limitation beam body will
Ask.
Utility model content
The technical problems to be solved in the utility model is：A kind of bridge shear trip is provided, to overcome prior art to be deposited
Above-mentioned deficiency.
In order to solve the above technical problems, the utility model adopts the technical scheme that：
A kind of bridge shear trip, including trip top plate, trip bottom plate and between trip top plate and trip bottom plate
Lateral confinement guiding mechanism, the lateral confinement guiding mechanism includes upper constraint guiding mechanism and corresponding lower constraint
Guiding mechanism, the upper constraint guiding mechanism are connected to trip top board undersurface, and the lower constraint guiding mechanism is connected to trip bottom
Plate top surface, the upper constraint guiding mechanism falls into lower constraint guiding mechanism so as to form lateral confinement guiding mechanism during installation；
Retention gap, the trip top plate and trip bottom plate between the upper constraint guiding mechanism and lower constraint guiding mechanism
Both sides be connected with the adjusting means of the size for adjusting gap, the adjusting means include upper engaging lug, lower engaging lug and
Regulating bolt, upper engaging lug and lower engaging lug are respectively fixedly connected with the side in trip top plate and trip bottom plate, and regulating bolt connects
It is connected between engaging lug and lower engaging lug.
Its further technical scheme is：
The upper constraint guiding mechanism is round boss, and the lower constraint guiding mechanism is spill corresponding with round boss
Circle pelvic cavity, is provided with flange in round boss outer rim, and the round boss is inlayed into inside spill circle pelvic cavity during installation, circular convex
The flange of platform and spill circle pelvic cavity interior side contacts, gap is formed between round boss lower surface and spill circle pelvic cavity bottom surface；
The round boss or with trip top plate it is integral or separately formed after be fixedly connected on trip top board undersurface；
Spill circle pelvic cavity or with trip bottom plate it is integral or separately formed after be fixedly connected on trip base top
Face.
Separately further technical scheme is for it：
The upper constraint guiding mechanism is rectangular guideway, and the lower constraint guiding mechanism is corresponding with rectangular guideway
Groove is oriented to, the rectangular guideway, which is inlayed into guiding inside grooves, during installation forms sliding equipment, the both sides of rectangular guideway
With being oriented to groove inner surface sliding contact, gap is formed between rectangular guideway lower surface and guiding groove floor；
The rectangular guideway or with trip top plate it is integral or separately formed after be fixedly connected on trip top plate bottom
Face；
It is described guiding groove or with trip bottom plate it is integral or separately formed after be fixedly connected on trip plate top surface.
Further;
The both sides of the rectangular guideway are provided with wear-resistant slide plate, be oriented to groove inner surface be provided with hard frictional layer,
Sliding friction pair is formed so as to lead the wear-resistant slide plate of both sides with rectangle；
The hard frictional layer is stainless steel plate or plating hard chromium layers.
Further technical scheme is：
The anchoring sleeve outer surface is provided with antiskid groove.
Due to using said structure, compared with prior art, a kind of bridge shear trip of the utility model has following
Beneficial effect：
1. a kind of bridge shear trip of the utility model can coordinate vertical support to bear very big horizontal load for needs
Bridge or building, play lateral confinement and guide effect, can not only resist bridge or building greater level load, simultaneously also
Ensure the normal slip of beam body and the rotation of beam body；
To fixed shearing force tenon：
When beam body superstructure is by horizontal shear, flange and the trip bottom of the round boss outer rim of trip top plate bottom
The spill circle pelvic cavity inwall contact of plate upper surface, shearing force tenon play spacing constraint and bear horizontal shear effect, level is cut
Power is delivered to pier, simultaneously as a gap is formed between round boss lower surface and spill circle pelvic cavity bottom surface, when beam body becomes
When shape rotates, shearing force tenon can realize the corner demand of all directions, meet that beam body all directions freely rotate, it is ensured that beam body
Can normal operation, ensure the safety of beam body；
To one-way movable type shearing force tenon：
Sliding friction pair is provided between trip top plate rectangular guideway and trip bottom plate are oriented to groove, trip is being born
During horizontal shear, smooth it can slide, it is ensured that the normal of beam body stretches；
2. a kind of bridge shear trip anchoring sleeve outer surface of the utility model is provided with antiskid groove, after avoiding installation
Trip top plate comes off；
3. a kind of bridge shear Fastening tenon structure of the utility model is compact, reasonable in design, it is conveniently replaceable, is sent out by external force
During raw destruction, it is not necessary to which jack up girder can, which is realized, changes bridge shear trip, and replacement cost is safeguarded in reduction.
Below, a kind of technical characteristic of bridge shear trip of the utility model is made further in conjunction with the accompanying drawings and embodiments
Explanation.
Brief description of the drawings
Fig. 1 is a kind of bridge shear trip of embodiment one（Fixed shearing force tenon）Structural representation（It is half-sectional）：
Fig. 2~Fig. 3 is the trip top board structure schematic diagram of embodiment one：
Fig. 2 is front view, and Fig. 3 is Fig. 2 upward view；
Fig. 4~Fig. 5 is the trip base arrangement schematic diagram of embodiment one：
Fig. 4 is front view, and Fig. 5 is Fig. 4 top view；
Fig. 6 is a kind of bridge shear trip of embodiment two（One-way movable type shearing force tenon）Structural representation（Half
Cut open）：
Fig. 7~Fig. 8 is the trip top board structure schematic diagram of embodiment two：
Fig. 7 is front view, and Fig. 8 is Fig. 7 upward view；
Fig. 9~Figure 10 is the trip base arrangement schematic diagram of embodiment two：
Fig. 9 is front view, and Figure 10 is Fig. 9 top view；
Figure 11 is that a kind of bridge shear trip of the utility model and vertical support are used cooperatively arrangement schematic diagram；
In Fig. 1~Figure 10：
1-trip top plate, 11-round boss, 12-rectangular guideway, 2-wear-resistant slide plate, 3-adjusting means, 31-
Upper engaging lug, 32-regulating bolt, 33-lower engaging lug, 4-anchor bolt, 5-anchoring sleeve, 51-antiskid groove, 6-card
Tenon bottom plate, 61-spill circle pelvic cavity, 62-it is oriented to groove, 7-hard frictional layer（Stainless steel plate or plating hard chromium layers）, 8-
Gap；
In Figure 11：
DX-one-way movable support, SX-bi-directional movable bearing, GK-fixed shearing force tenon, DHK-one-way movable type
Shearing force tenon.
Embodiment
Embodiment one
A kind of bridge shear trip, including trip top plate 1, trip bottom plate 6 and positioned at trip top plate and trip bottom plate it
Between lateral confinement guiding mechanism, the trip top plate 1 is connected by anchor bolt 4 and anchoring sleeve 5 with beam body, described
Trip bottom plate 6 is connected by anchor bolt 4 and anchoring sleeve 5 with pier, the lateral confinement guiding mechanism include it is upper about
Beam guiding mechanism and corresponding lower constraint guiding mechanism, the upper constraint guiding mechanism are connected to trip top board undersurface,
The lower constraint guiding mechanism is connected to trip plate top surface, upper constraint guiding mechanism insertion lower constraint Guiding machine during installation
Structure is so as to forming lateral confinement guiding mechanism；
Retention gap 8, the trip top plate 1 and trip bottom between the upper constraint guiding mechanism and lower constraint guiding mechanism
The both sides of plate 6 are connected with the adjusting means 3 of the size for adjusting gap 8, and the adjusting means includes upper engaging lug 31, lower company
Lug 33 and regulating bolt 32, upper engaging lug 31 and lower engaging lug 33 are respectively fixedly connected with trip top plate 1 and trip bottom plate 6
Side, regulating bolt 32 are connected between engaging lug 31 and lower engaging lug 33.
The upper constraint guiding mechanism is round boss 11, and the lower constraint guiding mechanism is corresponding with round boss recessed
Shape justifies pelvic cavity 61, is provided with flange in round boss outer rim, and the round boss is inlayed into inside spill circle pelvic cavity during installation, circle
The flange of shape boss and spill circle pelvic cavity interior side contacts, gap 8 is formed between round boss lower surface and spill circle pelvic cavity bottom surface；
The round boss 11 is integral with trip top plate；The spill justifies pelvic cavity 61 or whole into one with trip bottom plate
Body；The outer surface of anchoring sleeve 5 is provided with antiskid groove.
The mechanism of action：
When beam body superstructure is by horizontal shear, the flange and trip of the round boss outer rim of the bottom of trip top plate 1
The upper surface spill circle pelvic cavity inwall sliding contact of bottom plate 6, shearing force tenon plays spacing constraint and bears horizontal shear effect, by water
Straight snips power is delivered to pier, simultaneously as forming a gap 8 between round boss lower surface and spill circle pelvic cavity bottom surface, works as beam body
Deform rotation when, shearing force tenon can realize the corner demand of all directions, meet that beam body all directions freely rotate, really
Protect beam body can normal operation, ensure the safety of beam body.
Embodiment two
A kind of bridge shear trip, its basic structure is identical with embodiment one, except that：The upper constraint Guiding machine
Structure is rectangular guideway 12, and the lower constraint guiding mechanism is oriented to groove 62, installation when institute to be corresponding with rectangular guideway 12
State rectangular guideway 12 and inlay into guiding groove 62 and be internally formed sliding equipment, the both sides of rectangular guideway 12 are with being oriented to groove 62
Inner surface sliding contact, gap 8 is formed between rectangular guideway lower surface and guiding groove floor；
The rectangular guideway 12 and trip top plate are integral；The guiding groove 62 and trip bottom plate are integral；
The both sides of the rectangular guideway 12 are provided with wear-resistant slide plate 2, and the guiding inner surface of groove 62 is provided with hard and rubbed
Wipe layer 7, form sliding friction pair so as to lead the wear-resistant slide plate 2 of both sides with rectangle；
The hard frictional layer 7 is stainless steel plate or plating hard chromium layers；The outer surface of anchoring sleeve 5 is provided with anti-skidding
Groove.
The mechanism of action：
When the spacing direction of beam body superstructure is by horizontal shear, the lower rectangular guide rail side of trip top plate 1 is wear-resisting
Slide plate 2 is oriented to the stainless steel plate of groove inner wall with the upper surface of trip bottom plate 6 or the plating sliding contact of hard chromium layers 7, shearing force tenon rise
To spacing constraint and horizontal shear effect is born, horizontal shear is delivered to pier；When beam body is influenceed hair by factors such as temperature
Raw to expand with heat and contract with cold when producing displacement, the lower rectangular guide rail side wear-resistant slide plate 2 of trip top plate 1 is oriented to the top of trip bottom plate 6
The inwall stainless steel plate of groove 62 or plating hard chromium layers 7 form sliding friction pair, and the lower rectangular guide rail of trip top plate 1 can be along card
The top of tenon bottom plate 6 is oriented to groove and enters line slip, and shearing force tenon plays cross spacing and guide effect, ensures that the normal of beam body is stretched
Contracting, meanwhile, rectangular guideway lower surface forms a gap 8 with being oriented to groove upper surface, can when beam body deforms rotation
Realize the corner demand of shearing force tenon all directions, meet that beam body all directions freely rotate, it is ensured that beam body can normal operation,
Ensure the safety of beam body.
Conversion as above-described embodiment：
1. the round boss also can it is separately formed after be fixedly connected on trip top board undersurface；The spill circle pelvic cavity is independent
Trip plate top surface is fixedly connected on after shaping.
2. the rectangular guideway 12 also can it is separately formed after be fixedly connected on trip top board undersurface again；It is described separately formed
After be fixedly connected on trip plate top surface.
Installation and application：
A kind of bridge shear trip is arranged between bridge and pier, is primarily subjected to horizontal shear and is played guide effect
Shearing force tenon, it does not have vertical bearing function, it is necessary to coordinate vertical support to use, and it coordinates arrangement referring to accompanying drawing
11。
Trip top plate 1 is connected by anchor bolt 4 and anchoring sleeve 5 with beam body during installation, and trip bottom plate 6 passes through anchor
Fixing bolt 4 and anchoring sleeve 5 are connected with pier, and the adjusting means 3 of removal shearing force tenon both sides is after the completion of above link
Can.
Above content is to combine the further explanation that specific embodiment is made to the utility model, it is impossible to assert this reality
This is confined to new specific implementation, for the utility model art, is not departing from the utility model design
On the premise of, simple deduction or replace are made, said mechanism should all be considered as the scope of protection of the utility model.
Claims (5)
1. a kind of bridge shear trip, including trip top plate（1）, trip bottom plate（6）And positioned at trip top plate and trip bottom plate
Between lateral confinement guiding mechanism, the trip top plate（1）Pass through anchor bolt（4）And anchoring sleeve（5）It is connected with beam body
It is fixed, the trip bottom plate（6）Pass through anchor bolt（4）And anchoring sleeve（5）It is connected with pier, it is characterised in that：
The lateral confinement guiding mechanism includes upper constraint guiding mechanism and corresponding lower constraint guiding mechanism, it is described on
Constraint guiding mechanism is connected to trip top board undersurface, and the lower constraint guiding mechanism is connected to trip plate top surface, installation when institute
State constraint guiding mechanism and fall into lower constraint guiding mechanism so as to form lateral confinement guiding mechanism；
Retention gap between the upper constraint guiding mechanism and lower constraint guiding mechanism（8）, the trip top plate（1）With trip bottom
Plate（6）Both sides be connected with for adjusting gap（8）Size adjusting means（3）, the adjusting means includes upper engaging lug
（31）, lower engaging lug（33）And regulating bolt（32）, upper engaging lug and lower engaging lug are respectively fixedly connected with trip top plate and card
The side of tenon bottom plate, regulating bolt（32）It is connected to engaging lug（31）With lower engaging lug（33）Between.
A kind of 2. bridge shear trip as claimed in claim 1, it is characterised in that：The upper constraint guiding mechanism is circular convex
Platform（11）, the lower constraint guiding mechanism is that spill corresponding with round boss justifies pelvic cavity（61）, set in round boss outer rim
Have a flange, the round boss is inlayed into inside spill circle pelvic cavity during installation, the flange of round boss with the inside of spill circle pelvic cavity
Contact, gap is formed between round boss lower surface and spill circle pelvic cavity bottom surface（8）；
The round boss（11）Or with trip top plate it is integral or separately formed after be fixedly connected on trip top board undersurface；
The spill justifies pelvic cavity（61）Or with trip bottom plate it is integral or separately formed after be fixedly connected on trip base top
Face.
A kind of 3. bridge shear trip as claimed in claim 1, it is characterised in that：The upper constraint guiding mechanism is rectangle
Guide rail（12）, the lower constraint guiding mechanism is oriented to groove to be corresponding with rectangular guideway（62）, rectangle during installation
Guide rail（12）Inlay into guiding groove（62）Sliding equipment is internally formed, the both sides of rectangular guideway are with being oriented to groove inner surface
Sliding contact, gap is formed between rectangular guideway lower surface and guiding groove floor（8）；
The rectangular guideway or with trip top plate it is integral or separately formed after be fixedly connected on trip top board undersurface；
It is described guiding groove or with trip bottom plate it is integral or separately formed after be fixedly connected on trip plate top surface.
A kind of 4. bridge shear trip as claimed in claim 3, it is characterised in that：The rectangular guideway（12）Both sides set
It is equipped with wear-resistant slide plate（2）, it is oriented to groove（62）Inner surface is provided with hard frictional layer（7）, so as to rectangle leading both sides
Wear-resistant slide plate（2）Form sliding friction pair；
The hard frictional layer is stainless steel plate or plating hard chromium layers.
A kind of 5. bridge shear trip as described in claim 1,2,3 or 4, it is characterised in that：The anchoring sleeve（5）Appearance
Face is provided with antiskid groove（51）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745287.XU CN207062743U (en) | 2017-06-23 | 2017-06-23 | A kind of bridge shear trip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745287.XU CN207062743U (en) | 2017-06-23 | 2017-06-23 | A kind of bridge shear trip |
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| Publication Number | Publication Date |
|---|---|
| CN207062743U true CN207062743U (en) | 2018-03-02 |
Family
ID=61507351
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|---|---|---|---|
| CN201720745287.XU Active CN207062743U (en) | 2017-06-23 | 2017-06-23 | A kind of bridge shear trip |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898404A (en) * | 2019-04-18 | 2019-06-18 | 重庆锦森腾建筑工程咨询有限公司 | A kind of unit construction bridge girder construction |
| CN110318335A (en) * | 2018-03-30 | 2019-10-11 | 比亚迪股份有限公司 | Rail beam bearing and track with it |
| CN112176856A (en) * | 2020-10-21 | 2021-01-05 | 四川铁创科技有限公司 | Support for large-gradient bridge |
-
2017
- 2017-06-23 CN CN201720745287.XU patent/CN207062743U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318335A (en) * | 2018-03-30 | 2019-10-11 | 比亚迪股份有限公司 | Rail beam bearing and track with it |
| CN109898404A (en) * | 2019-04-18 | 2019-06-18 | 重庆锦森腾建筑工程咨询有限公司 | A kind of unit construction bridge girder construction |
| CN109898404B (en) * | 2019-04-18 | 2021-06-04 | 莆田市三龙恒基建材有限公司 | Assembled bridge structure |
| CN112176856A (en) * | 2020-10-21 | 2021-01-05 | 四川铁创科技有限公司 | Support for large-gradient bridge |
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