CN107401115A - Double articulated body systems bridge extension joint - Google Patents
Double articulated body systems bridge extension joint Download PDFInfo
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- CN107401115A CN107401115A CN201710699595.8A CN201710699595A CN107401115A CN 107401115 A CN107401115 A CN 107401115A CN 201710699595 A CN201710699595 A CN 201710699595A CN 107401115 A CN107401115 A CN 107401115A
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- Prior art keywords
- seam
- supporting beam
- beam assembly
- adjacent
- articulated body
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- 230000008093 supporting effect Effects 0.000 claims abstract description 81
- 230000000712 assembly Effects 0.000 claims abstract description 19
- 238000000429 assembly Methods 0.000 claims abstract description 19
- 239000002390 adhesive tape Substances 0.000 claims description 36
- 239000003292 glue Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 6
- 239000004575 stone Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to bridge expanssion joint, a kind of double articulated body systems bridge extension joint is provided, including at least two supporting beam assemblies and be located therein it is two neighboring supporting beam assembly between across seam beam, each supporting beam assembly edge is spaced apart successively perpendicular to structural joint length direction, it is be hinged between the every one end and adjacent supporting beam assembly of seam beam, jointed shaft and is connected between each adjacent supporting beam assembly by stretching structure in addition each parallel to the length direction of structural joint.It is attached between mid-span seam beam of the present invention and adjacent two supporting beam assemblies by the way of be hinged so that " double hinges " architecture is integrally formed in retractor device, and supports beam assembly with being respectively positioned on across seam beam in same plane system.This " double hinges " structural system can enable, across the seam beam adaptively rotational angle between two neighboring supporting beam assembly, and then can avoid tilting of the part-structure of retractor device because of beam body under various working conditions, to meet the multi-directional deflection requirement of beam body.
Description
Technical field
The present invention relates to bridge expanssion joint, more particularly to a kind of double articulated body systems bridge extension joint.
Background technology
Retractor device is the key position in bridge member, is played an important role in bridge function is realized.Common bridge
Retractor device has board-like Telescopic rubber device, shaped steel modular expansion device, the board-like retractor device of broach etc..
Bridge is being built and during operation, can sunk by car load, bridge own material shrinkage and creep, basis
Drop, wind load etc. act on, and cause bridge beam end to deform.Different degrees of space be present in 6 free degree directions in bridge expanssion joint
Move (displacements and torsion in tri- directions of XYZ), so as to cause to extrude to the retractor device that is installed on bridge beam end, stretch,
The space operations such as torsion, dislocation, sedimentation.
Shaped steel modular expansion device in existing market, longitudinal extension gap present in it is big, flexible uneven, impact
Power is concentrated, jump car is serious, concrete is frangible, extensible member spoilage is high, manufacturing expense is big, designs phenomena such as reserved groove depth depth
It is more prominent.Particularly to suspension bridge, cable-stayed bridge, and tiltedly, curved bridge, because multidirectional displacement unavoidably be present in bridge structure, because
The defects of inadaptable transverse direction and multi-directional deflection requirement have seriously been exposed during this use.And high is required to vertical deformation, indulge,
The big cable-stayed bridge of lateral deflection, suspension bridge etc., modular expansion device for bridge are then difficult to the requirement for meeting its multi-directional deflection.
And conventional expansion joint of comb plate, it is impossible to meet bridge beam body vertical corner requirement.When beam body is in various working conditions
Under, when corner or the displacement of multiple degrees of freedom direction occur for beam-ends, the fishback of traditional fishback class retractor device can be transported with beam-ends
Moving and tilt, the rack of tilting had both brought hidden danger to traffic safety, meanwhile, broach fracture can be produced after vehicle spreading, anchoring is drawn
Phenomena such as de-.And comb plate, comb joint has rubbish and easily invades fishback bottom and discharge difficulty, thus easily cause broach to upwarp, lead
Anchor bolt damage or the either single unit system early ageing of other forms is caused to destroy.
The content of the invention
It is an object of the invention to provide a kind of double articulated body systems bridge extension joint, it is intended to for solving existing flexible dress
Put, especially comb-tooth-type bridge extension joint sink when beam-ends upwarps and corner occurs in beam body stand under load easily influences traffic safety
Problem.
What the present invention was realized in：
The embodiment of the present invention provides a kind of double articulated body systems bridge extension joint, including at least two positioned at expansion joint both sides
Supporting beam assembly and be located therein between the two neighboring supporting beam assembly across seam beam, each supporting beam assembly equal edge
It is spaced apart successively perpendicular to the expansion joint length direction, every one end across seam beam and the adjacent backbar group
Be between part it is be hinged, jointed shaft each parallel to the expansion joint length direction, and in addition each adjacent backbar group
Connected between part by stretching structure.
Further, in addition to be mounted on the seat boards of the expansion joint both sides, the seat board support positioning it is described across
Stitch beam and each supporting beam assembly.
Further, in being also equipped with elastic support plate on the seat board, the elastic support plate supports described across seam beam
And each supporting beam assembly positioned at centre, two supporting beam assemblies positioned at outside are mounted on the seat board
On.
Further, described to be respectively connected with support base at the both ends of seam beam, the support base is supported in institute by cambered surface
State on seat board.
Further, the same side of seam beam is provided with least two supporting beam assemblies, the flexible knot in described
Structure includes can be along perpendicular to the expansion joint length direction horizontal extension elastic connection plate, adjacent two supporting beam assemblies
Between elastic connection plate connection.
Further, the elastic connection plate is bent into two shrapnel parts being oppositely arranged, and two shrapnel parts enclose
Arch horizontally toward is formed, and is born against on the two neighboring supporting beam assembly.
Further, it is described across seam beam and the adjacent supporting beam assembly between gap and adjacent two described in
Gap between supporting beam assembly is blocked by waterproof adhesive tape.
Further, the waterproof adhesive tape is wavy along being bent into successively perpendicular to the length direction across seam beam, and
The waterproof adhesive tape and the corresponding supporting beam assembly or the corresponding end clamping across seam beam.
Further, it is described to be respectively formed on C font die cavities across seam beam and the supporting beam assembly, the waterproof adhesive tape
End is arranged in the corresponding die cavity.
Further, it is between the adjacent two supporting beam assemblies or described across seam beam and the adjacent backbar
It is respectively mounted between component and is fixed with horizontally disposed two pieces of slide plates, is partly overlapped between two pieces of slide plates, and it is above
The slide plate it is close or contact corresponding to the waterproof adhesive tape.
The invention has the advantages that：
In the retractor device of the present invention, entered between seam beam and adjacent two supporting beam assemblies by the way of be hinged
Double articulated body architectures are integrally formed in row connection, retractor device, across the both ends of seam beam be rotatable movable end so that across
Larger vertical corner can be born between seam beam and the supporting beam assembly of expansion joint both sides, this articulated structure can cause across seam
Beam can actively adapt to the corner of beam-ends adaptively adjacent two rotational angles supported between beam assemblies across seam beam
Change, and then the upper surface part separation structure of retractor device can be avoided to be tilted because beam-ends upwarps, such as with broach harden structure
When, traffic safety (jumping car phenomenon) caused by rack tilting can be avoided, while avoid tilting after structure is rolled by vehicle and produce
Fracture, connected additionally, due between two adjacent supporting beam assemblies using stretching structure so that retractor device can meet beam
The multi-directional deflection requirement of body.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation that double articulated body systems bridge extension joint provided in an embodiment of the present invention is installed in beam body；
Fig. 2 is the structural representation of Fig. 1 double articulated body systems bridge extension joint；
Fig. 3 is the structural representation of the elastic connection plate of Fig. 1 double articulated body systems bridge extension joint；
Fig. 4 is enlarged drawing at A in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of double articulated body systems bridge extension joint, including at least two
Support beam assembly 11 and positioned at it is two neighboring supporting beam assembly 11 between across seam beam 12, specifically in the both sides of expansion joint 2
At least two supporting beam assemblies 11 are provided with concrete 31, it is each to support beam assembly 11 along perpendicular to the length side of expansion joint 2
To being spaced apart successively, the supporting beam assembly 11 positioned at both sides is side bar 10, and the backbar group between two side bars 10
Part 11 is then central sill, and generally across seam beam 12 across expansion joint 2, its both ends is located at the both sides at expansion joint 2 respectively, when central sill only has
At one, then it is connected across the both ends side of seam beam 12 with side bar 10, side is connected with central sill, and when supporting beam assembly 11 is multiple
When, then it is connected respectively with two adjacent central sills across the both ends of seam beam 12, and the two central sills are located at the two of expansion joint 2 respectively
Side, it is be hinged, the jointed shaft 121 of two articulated positions between every one end of seam beam 12 and adjacent central sill (or side bar 10)
, i.e., can be around jointed shaft 121 along perpendicular between seam beam 12 and adjacent supporting beam assembly 11 each parallel to the length direction at expansion joint 2
Connected to rotation, and in addition between each adjacent supporting beam assembly 11 by stretching structure 13, certain stretching structure 13 to
Ensure that it can stretch along perpendicular to the length direction across seam beam 12 less.In the present embodiment, across the both ends of seam beam 12 using hinge
Connect so that double articulated body architectures are integrally formed in retractor device 1, and retractor device 1 is overall to have stronger adaptability, to this across seam beam
12 both ends are movable end, can be around the vertical rotating of jointed shaft 121 across the entirety of seam beam 12, and slewing area is bigger, when beam body 3
Stand under load sink beam-ends upwarp corner occurs when, this articulated structure can enable across seam beam 12 adaptively with adjacent two
Rotational angle between individual supporting beam assembly 11, the change that upwarps of beam-ends is can adapt to across seam beam 12, and then can avoid stretching
There is part-structure to be tilted because beam-ends upwarps for the upper surface of device 1, ensure traffic safety, while avoid tilting structure by vehicle
Fracture is produced after rolling, and then influences the service life of retractor device 1.
Referring to Fig. 1, optimizing above-described embodiment, retractor device 1 also includes seat board 14, the generally use steel plate of seat board 14, and
Seat board 14 is equipped with the concrete 31 of the both sides of expansion joint 2, seat board 14 is anchored in corresponding concrete 31 by bolt etc.
On, and above-mentioned supported across seam beam 12 and respectively supporting beam assembly 11 is positioned on corresponding seat board 14.In the present embodiment, seat
Plate 14 is the installation supporting structure of whole retractor device 1, and automotive wheel is to supporting beam assembly 11 or the impulsive force across seam beam 12
It can be transferred on seat board 14, then beam body 3 is transferred to by seat board 14, when mounted, the side bar 10 positioned at both sides is directly fixed
Fixed in the mode for being tightened by bolts or welding on seat board 14, can be adopted, and other supporting beam assembly 11 with across seam beam 12
It is not connected with seat board 14, seat board 14 only plays a part of supporting positioning to this part-structure.For this structure type,
Support base 122 is fixedly connected with the both ends of seam beam 12, seat board 14 is positioned at by two supports of support base 122 across seam beam 12
On, and the bottom surface of support base 122 uses globoidal structure, so that support base 122 can enter with respect to seat board 14 under external force
Row adaptability rotates, two neighboring in addition to support beam assembly 11 and across seam to adapt to rotate around jointed shaft 121 across seam beam 12
The connection of beam 12 is also realized using support base 122, that is, is supported and be hinged between beam assembly 11 and corresponding support base 122.
Optimize above-described embodiment, elastic support plate 15 is also equipped with seat board 14, elastic support plate 15 is supported across seam beam
12 and positioned at centre each supporting beam assembly 11.In the present embodiment, elastic support plate 15 uses tetrafluoro slide plate, can use bolt
It is connected and fixed on corresponding seat board 14, then props up the supporting beam assembly 11 of centre in corresponding elasticity with being installed across seam beam 12
On seat board 15, and across stitching beam 12 installed by support base 122 on the elastic support plate 15, and the bottom of support base 122
Cambered surface is contacted with elastic support plate 15, and the side bar 10 for outside is directly fixed on seat board 14.The energy of elastic support plate 15
By chrominance signal in horizontal plane, to adapt between beam body 3 due to torque influence caused by the reasons such as differential settlement, while energy
Intermediate support beam assembly 11 and across the seam slide displacement on elastic support plate 15 of beam 12 during enough adaptive temperature changes.
Referring to Fig. 1 and Fig. 3, further, the same side of seam beam 12 is being provided with least two supporting beam assemblies 11,
And above-mentioned stretching structure 13 includes elastic connection plate 131, the elastic connection plate 131 can be along perpendicular to flexible under external force
2 length direction horizontal extension is stitched, is connected between adjacent two supporting beam assemblies 11 using the elastic connection plate 131.This reality
Apply in example, each elastic connection plate 131 can stretch in the horizontal direction, and each elastic connection plate of the length direction along expansion joint 2
131 are arranged at intervals successively, and two ends of each elastic connection plate 131 are consolidated with the corresponding two supporting crab-bolts of beam assembly 11 respectively
Knot.The stress of elastic connection plate 131 can be advantageous to using crab-bolt consolidation, prevent fatigue rupture.Because elastic connection plate 131 can be with
Stretch in the horizontal direction, disclosure satisfy that the deformation requirements at expansion joint 2, and across the seam both ends of beam 12 and adjacent supporting beam assembly 11 it
Between be hinged so that the displacement control system being made up of elastic connection plate 131 has the adaptability to vertical corner, and then make
Retractor device 1 has the active accommodation to vertical big corner displacement.The structure of elastic connection plate 131 is refined, it is curved by flat board
Folding forms two shrapnel parts 132 being oppositely arranged, and two shrapnel parts 132 enclose the arch to be formed horizontally toward, and bear against
In on corresponding two supportings beam assembly 11.Elastic connection plate 131 is bow-shaped structural, and the opening of bow-shaped structural is towards expansion joint 2
Length bearing of trend, two shrapnel parts 132 are vertically arranged, partly fit in respectively corresponding on supporting beam assembly 11, and
Crab-bolt consolidation is carried out between corresponding supporting beam assembly 11 respectively, it is by two shrapnel parts 132 along the length perpendicular to expansion joint 2
The Flexible change in direction is spent to adapt to the deformation requirements at expansion joint 2.Usually, each retractor device 1 includes multiple elasticity
Connecting plate 131, and the length direction along expansion joint 2 is located at middle elastic connection plate 131 elastic connection adjacent with wherein one
Plate 131 is oppositely arranged (opening of the bow-shaped structural of two elastic connection plates 131 is relative), with another adjacent elastic connection plate 131
It is disposed opposite to each other (opening of the bow-shaped structural of two elastic connection plates 131 mutually deviates from).Each elastic connection plate 131 can certainly be made
Opening towards identical, the distance between each elastic connection plate 131 all same, i.e., between two neighboring supporting beam assembly 11
Length direction of each elastic connection plate 131 along expansion joint 2 be evenly arranged successively.
Referring again to Fig. 1, further, between seam beam 12 and adjacent supporting beam assembly 11 and adjacent two branch
The gap between gap and two neighboring supporting beam assembly 11 between bolster component 11 is blocked by waterproof adhesive tape 16, each
The end of waterproof adhesive tape 16, which is fixed, is connected in corresponding supporting beam assembly 11 or across die cavity corresponding to seam beam 12.The present embodiment
In, the top of seam beam 12 is provided with panel 123, panel 123 is connected with the support base 122 across seam beam 12 both ends, and should
In the upper surface of panel 123 and the upper surface of each supporting beam assembly 11 are generally aligned in the same plane, and then constitute the steam supply of retractor device 1
The tread of car traveling, between the upper surfaces of the certainly adjacent two supportings beam assembly 11 and upper surface of panel 123 with it is adjacent
Supporting beam assembly 11 upper surface between be respectively provided with gap, to adapt to the deformation requirements of beam body 3, in this present embodiment,
Between two adjacent supporting beam assemblies 11 and between seam beam 12 and adjacent supporting beam assembly 11, middle backbar group
Waterproof adhesive tape 16 is provided between part 11 and side bar 10, so as to form the closure to respective corresponding gap, avoid rainwater or
Lime-ash etc. is penetrated into inside retractor device 1.Typically, waterproof adhesive tape 16 should be close to the upper surface of retractor device 1, i.e. waterproof adhesive tape 16
In the top of corresponding stretching structure 13 or positioned at the top of corresponding articulated structure.
Referring to Fig. 1 and Fig. 4, optimize above-described embodiment, each waterproof adhesive tape 16 is along the length direction perpendicular to expansion joint 2
Bend successively, and its both ends is respectively with corresponding supporting beam assembly 11 or across die cavity clamping corresponding to seam beam 12.The present embodiment
In, waterproof adhesive tape 16 is bent, it is in the wavy profile repeatedly bent to make it have at least part structure, its along perpendicular to
The length direction at expansion joint 2 has preferably elasticity, is adapted to the deformation requirements at expansion joint 2；Meanwhile waterproof adhesive tape 16 uses
This foldable structure profile, make it compared to the main telescopic variation of traditional adhesive tape by vertically switching to transverse direction；Waterproof adhesive tape 16 with
Supporting beam assembly 11 or the relatively conventional flying bird formula waterproof adhesive tape 16 in gap between the support base 122 of seam beam 12 significantly subtract
It is few, reduce the accumulation such as rubbish, simultaneously because after folding waterproof adhesive tape 16 wavy repeatedly bending structure profile, when stone or
After on person's silting to waterproof adhesive tape 16, in 1 overall shrinkage of retractor device, by the telescopic variation of waterproof adhesive tape 16, it can incite somebody to action
The stone or silt accumulated on waterproof adhesive tape 16 is taken out of, so as to reach slagging-off by being extruded in retractor device 1 with wheel
Purpose.C fonts die cavity 111 (124) is respectively formed on supporting beam assembly 11 across the support base 122 of seam beam 12 in addition, the die cavity
111 (124) are that supporting beam assembly 11 or support base 122 are formed when being integrally formed, and are respectively positioned on the corresponding upper surface of retractor device 1
Lower section, the end of waterproof adhesive tape 16 are connected in corresponding die cavity 111 (124).Using this form installation waterproof adhesive tape 16 not
But mounting structure is more stable, avoid waterproof adhesive tape 16 from coming off, while form preferable sealing.
Continue to optimize above-described embodiment, between adjacent two supporting beam assemblies 11 or across seam beam 12 and adjacent supporting
It is respectively mounted between beam assembly 11 and is fixed with horizontally disposed two pieces of slide plates 17, is partly overlapped between two pieces of slide plates 17, and positioned at upper
The slide plate 17 of side is close or contact corresponding to waterproof adhesive tape 16, two pieces of slide plates 17 are individually fixed on two parts, such as two
Two pieces of slide plates 17 between individual supporting beam assembly 11, two pieces of slide plates 17 are individually fixed on two supporting beam assemblies 11, and by right
The supporting beam assembly 11 answered is horizontal-extending to another supporting beam assembly 11, the elongated end of certain slide plate 17 and another supporting beam assembly
There is gap so that relative slip can be formed between two pieces of slide plates 17 between 11.In the present embodiment, two pieces of slide plates 17 overlap, edge
Vertical direction between the two there is part-structure to overlap, and form overlap joint.It is upper corresponding in the horizontal direction when expansion joint 2 deforms
Relative slip can be formed between two pieces of slide plates 17, on the other hand, two pieces of slide plates 17 be respectively positioned on corresponding waterproof adhesive tape 16 just under
Side, waterproof adhesive tape 16 can contact with both, or be separated by, but spacing is very small, can be to waterproof by two pieces of slide plates 17
Adhesive tape 16 forms vertical supporting role.When waterproof adhesive tape 16 is extruded by rubble, two pieces of slide plates 17 can be corresponding marine glue
Bar 16 provides reaction force, and rubble can be caused after the rolling of wheel, to be taken out of with wheel from the gap of correspondence position, and then subtract
The generation of few card stone phenomenon.Traditional flying bird formula waterproof adhesive tape 16 can not provide bearing reaction because lower section is without supporting, therefore, broken
After stone enters above-mentioned gap, in the case where wheel rolls, it is easy to adhesive tape is punctured, or to collapse adhesive tape de-, this retractor device 1 is set
Meter, the occurrence of reducing these, improve the service life of waterproof adhesive tape 16.
Referring again to Fig. 1 and Fig. 2, further, anchor drawing is also separately installed between the outside of side bar 10 and seat board 14
Plate 18, anchor tie plate 18 are embedded in the concrete 31 of respective side.Optimize above-described embodiment, the concrete 31 in the both sides of expansion joint 2
Gantry type embedded bar 19 is inside also embedded with respectively, the gantry type reinforcing bar 19 extends to the lower section of the concrete 3 of respective side, and its
The connecting bolt for being used for mounting-fixing base plate 14 with respective side welds, and is welded with anchor tie plate 18.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
1. a kind of double articulated body systems bridge extension joint, including support beam assemblies positioned at least two of expansion joint both sides and be located at
Being grown across seam beam, each supporting beam assembly along perpendicular to the expansion joint between the wherein two neighboring supporting beam assembly
Degree direction is spaced apart successively, it is characterised in that：It is described across seam beam every one end and the adjacent supporting beam assembly between
Be it is be hinged, jointed shaft each parallel to the expansion joint length direction, and in addition between each adjacent supporting beam assembly
Connected by stretching structure.
2. double articulated body systems bridge extension joint as claimed in claim 1, it is characterised in that：Also include being mounted on described stretch
The seat board of contracting seam both sides, the seat board support positioning are described across seam beam and each supporting beam assembly.
3. double articulated body systems bridge extension joint as claimed in claim 2, it is characterised in that：In being also equipped with bullet on the seat board
Property support plate, elastic support plate supporting is described across seam beam and each supporting beam assembly positioned at centre, positioned at outside
Two it is described supporting beam assemblies be mounted on the seat board.
4. double articulated body systems bridge extension joint as claimed in claim 2, it is characterised in that：It is described to connect at the both ends of seam beam
Support base is connected to, the support base is supported on the seat board by cambered surface.
5. double articulated body systems bridge extension joint as claimed in claim 1, it is characterised in that：Set in described across the both sides of seam beam
There is at least one supporting beam assembly, the stretching structure includes can be along perpendicular to the expansion joint length direction horizontal extension
Elastic connection plate, elastic connection plate connection between adjacent two supporting beam assemblies.
6. double articulated body systems bridge extension joint as claimed in claim 5, it is characterised in that：The elastic connection plate is bent into phase
To two shrapnel parts of setting, two shrapnel parts enclose the arch to be formed horizontally toward, and bear against in two neighboring
On the supporting beam assembly.
7. double articulated body systems bridge extension joint as claimed in claim 1, it is characterised in that：It is described across seam beam with it is adjacent described in
The gap between gap and adjacent two supporting beam assemblies between supporting beam assembly is blocked by waterproof adhesive tape.
8. double articulated body systems bridge extension joint as claimed in claim 7, it is characterised in that：The waterproof adhesive tape is along perpendicular to institute
The length direction stated across seam beam is bent into wavy successively, and the waterproof adhesive tape described supports beam assembly or institute with corresponding
State the corresponding die cavity clamping across seam beam.
9. double articulated body systems bridge extension joint as claimed in claim 8, it is characterised in that：It is described across seam beam and the backbar
C font die cavities are provided with component, the end of the waterproof adhesive tape is arranged in the corresponding die cavity.
10. double articulated body systems bridge extension joint as claimed in claim 8, it is characterised in that：Two adjacent backbars
Between component or described be respectively mounted between seam beam and the adjacent supporting beam assembly is fixed with horizontally disposed two pieces of cunnings
Plate, partly overlap between two pieces of slide plates, and the slide plate above is close or contact corresponding to the marine glue
Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699595.8A CN107401115A (en) | 2017-08-16 | 2017-08-16 | Double articulated body systems bridge extension joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699595.8A CN107401115A (en) | 2017-08-16 | 2017-08-16 | Double articulated body systems bridge extension joint |
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| Publication Number | Publication Date |
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| CN107401115A true CN107401115A (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710699595.8A Pending CN107401115A (en) | 2017-08-16 | 2017-08-16 | Double articulated body systems bridge extension joint |
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| CN (1) | CN107401115A (en) |
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| CN105908623A (en) * | 2016-06-17 | 2016-08-31 | 中铁第四勘察设计院集团有限公司 | Expansion and contraction device with lower supporting platform |
| CN105951588A (en) * | 2016-06-17 | 2016-09-21 | 中铁第四勘察设计院集团有限公司 | Single-joint extensible device and bridge |
| CN207193748U (en) * | 2017-08-16 | 2018-04-06 | 中铁第四勘察设计院集团有限公司 | Double articulated body systems bridge extension joint |
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2017
- 2017-08-16 CN CN201710699595.8A patent/CN107401115A/en active Pending
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|---|---|---|---|---|
| US20020138925A1 (en) * | 2001-03-27 | 2002-10-03 | Ming-Huang Chang | Vibration resistive instant responding roadway or bridge expansion joint and construction method of the same |
| CN103306197A (en) * | 2013-05-21 | 2013-09-18 | 成都市新筑路桥机械股份有限公司 | Unitary bending-deformation-resistant multidirectional-displacement comb tooth type bridge expansion device |
| CN205171359U (en) * | 2015-12-07 | 2016-04-20 | 王呈祥 | Road bridge expansion joint structure |
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| CN105908623A (en) * | 2016-06-17 | 2016-08-31 | 中铁第四勘察设计院集团有限公司 | Expansion and contraction device with lower supporting platform |
| CN105951588A (en) * | 2016-06-17 | 2016-09-21 | 中铁第四勘察设计院集团有限公司 | Single-joint extensible device and bridge |
| CN207193748U (en) * | 2017-08-16 | 2018-04-06 | 中铁第四勘察设计院集团有限公司 | Double articulated body systems bridge extension joint |
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Application publication date: 20171128 |