CN106320169A - Modular expansion device and bridge - Google Patents
Modular expansion device and bridge Download PDFInfo
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- CN106320169A CN106320169A CN201610727198.2A CN201610727198A CN106320169A CN 106320169 A CN106320169 A CN 106320169A CN 201610727198 A CN201610727198 A CN 201610727198A CN 106320169 A CN106320169 A CN 106320169A
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- Prior art keywords
- joist
- plate
- central sill
- expansion device
- modular expansion
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/062—Joints having intermediate beams
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to an expansion joint and provides a modular expansion device. The modular expansion device comprises two edge beams, wherein the two edge beams are located on two sides of the expansion joint and are opposite to each other. The modular expansion device is characterized by further comprising at least one middle beam and a support beam; the middle beams are successively arranged between the two edge beams along the same direction of the edge beams; the support beam crosses over the expansion joint and is located under the middle beams; the edge beams and the middle beams are supported and mounted on the support beam; two ends of the support beam are respectively fixed on two sides of the expansion joint via a fixed steel ball support seat and a movable pressure-bearing support seat; each middle beam is connected with the edge beam which directly faces the middle beam or the other middle beam via a waterproof adhesive tape. The invention also provides a bridge comprising the expansion device. According to the expansion device, a displacement control system of the expansion device adopts an elastic system, so that the expansion device has certain adaptability to level angle; meanwhile, one end of the support beam is supported by the movable pressure-bearing support seat while the other end of the support beam is supported by the fixed steel ball support seat, so that the support beam can be adapted to the expansion change of the expansion joint and the multidirectional displacement of the expansion device caused by running of automobile wheels.
Description
Technical field
The present invention relates to expansion joint, particularly relate to a kind of modular expansion device and bridge.
Background technology
Retractor device is the key position in bridge member, plays an important role in realizing bridge function.National standard
" Standard for terms used in road engineering " (GBJ124-1988) and traffic industry standard " highway engineering noun structure term " (JTJ 002-
87) definition to bridge extension joint is: for making vehicle smoothly pass bridge floor and meet the needs of bridge deck structure deformation, at bridge floor
The general name of the device arranged at variator.
At present, conventional bridge extension joint can be divided into according to system: 1. modulus bridge expansion device；2. fishback
Bridge extension joint, such as common comb plate bridge expansion device, modular multi-directional deflection comb plate bridge expansion device, module comb
Toothed plate type Multidirectional displacement bridge expansion device etc..
Traditional modulus seam does not have multi-directional deflection function, stitches for modulus, the main disease of modular expansion device meanwhile
Evil shows themselves in that
1. anchoring piece destroys；
Middle beam snaps, rupture, occur rocking, noise；Central sill local deformation flexural downwarping, shaped steel concave-convex surface is not
Flat；
3. uniformity of stretching is poor, and displacement control system is malfunctioning；
4. controller perturbation element, pressure-bearing supporting supports disease with compressing；
5. caulking gum band is the most aging, come off or rupture, and seriously leaks；In caulking gum band, rubbish overstocks too much,
Affect Telescopic.
And the deformed steel modular expansion device in existing market, uneven, the punching big, flexible of existing longitudinal extension gap
The phenomenons such as power of hitting is concentrated, car is serious, concrete is frangible in jumping, extensible member spoilage is high, manufacturing expense is big are the most prominent.Particularly
To suspension bridge, cable-stayed bridge, and tiltedly, curved bridge, unavoidably there is multidirectional displacement due to bridge structure, the tightest during therefore using
Heavily expose the inadaptable horizontal and defect of multi-directional deflection requirement.And vertical deformation is required height, the oblique pull that vertical, horizontal displacement is big
Bridge, suspension bridge etc., tradition modular expansion device for bridge is then difficult to meet the requirement of its multi-directional deflection.
Summary of the invention
It is an object of the invention to provide a kind of modular expansion device, it is intended to be used for solving existing modulus type bridge and stretch
The problem that compression apparatus is difficult to meet multi-directional deflection requirement.
The present invention is achieved in that
The embodiment of the present invention provides a kind of modular expansion device, including being positioned at two side bars of both sides, expansion joint, and two
Described side bar is oppositely arranged, and also includes being set in turn between two described side bars at least one central sill and across described flexible
Seam and be positioned at the joist below described central sill, each described side bar and each described central sill and all support and be installed on described joist, institute
State the two ends of joist and be respectively adopted slip bearing and stationary balls bearing is fixed on the both sides at described expansion joint, Mei Yisuo
State central sill with and its just to described side bar or another described central sill between all use waterproof adhesive tape to be connected.
Further, described waterproof adhesive tape bends successively along the length direction of described joist, and its both ends are respectively with right
Described side bar or corresponding described central sill top board lower surface is answered to be fitted and connected.
Further, each described side bar is respectively provided with to horizontal-extending the first slide plate of corresponding described central sill, each described
The two relative side of central sill is respectively provided with the second horizontal-extending slide plate, each described second slide plate and corresponding described first slide plate
Or part overlaps between described second slide plate of correspondence, and each described first slide plate is respectively positioned on corresponding with each described second slide plate
The underface of described waterproof adhesive tape.
Further, below described side bar and described central sill top board, be also provided with L-type plate, each described L-type plate with
Forming the U-type groove of opening upwards between corresponding described side bar or described central sill, two ends of described waterproof adhesive tape are blocked respectively
Tightly in two corresponding described U-type groove.
Further, described joist is fixing holds upper and lower both sides to be all installed with described stationary balls bearing, described joist
Movable end bearing includes the slip compressing support being positioned at above described joist and the cunning being positioned at below described joist
Dynamic bearing, all there is politef slide plate on described slip compressing support and described slip bearing surface, each described poly-
Tetrafluoroethene slide plate slidably contacts the surfaces with joist.
Further, described central sill includes the web that is vertically arranged and horizontally disposed base plate, described web install in
On described base plate, and described base plate is connected and fixed on described joist by slip bearing.
Further, the base plate of described central sill is fixed with gallows frame, and each described central sill base plate is all by a slip
Bearing is supported on described joist, is provided with a compression of sliding between described joist and each described gallows frame
Seat, each described gallows frame passes through moving screw by pre-with corresponding described slip compressing support for corresponding described bearing
It is fixed to press solidly.
Further, each described moving screw upper end is welded with corresponding described base plate, and lower end is then through corresponding described power transmission
Crossbeam and pass through nut check between the two.
Further, described slip bearing is fixed on described central sill base plate by limited block, and its lower end has first
Link slot, described joist runs through and the first link slot described in clamping.
Further, also including sliding one to one compressing support with each described bearing, described slip compresses
Seat is positioned at below described joist, and described slip compressing support has and the second link slot of described joist clamping.
Further, also include being embedded in the first displacement case and second that described expansion joint two is surveyed in concrete respectively
Moving case, two ends of described joist are respectively protruding in described first displacement case and described second displacement case.
Further, described second displacement case is bell mouth shape, and along the direction bore flaring shape away from described expansion joint.
Further, described first displacement case and described second displacement case are respectively and fixedly provided with anchoring blind rivet.
Further, outside described side bar, all it is welded with anchor tie plate, is welded with hoop below anchor tie plate and closes
Close anchor bar, and each described side bar is all fixed on both sides, expansion joint by described anchor tie plate with hoop Guan Bi anchor bar and mixes
In solidifying soil.
Further, the concrete in both sides, described expansion joint is embedded with gantry type reinforcing bar, described gantry type steel the most respectively
Muscle extends below the described anchor tie plate of respective side and welds between the two when retractor device is installed.
Further, the lower section in the lower section of each described side bar and each described central sill is the most all vertically fixed node
Plate, each described gusset plate and described joist stagger between setting, and adjacent two described gusset plates all by can horizontal extension
Elastic connection plate connects.
Further, described elastic connection plate is bent into two shrapnel part being oppositely arranged, and two described shell fragments enclose shape
Become arch horizontally toward, and bear against on adjacent two described gusset plates.
Further, there is between adjacent two described gusset plates multiple described elastic connection plate, described in adjacent two
It is oppositely arranged between elastic connection plate or opposing setting.
Further, also include at least two elastic displacement case being embedded in the concrete of both sides, described expansion joint respectively,
Length direction along described joist is positioned at two described gusset plates in outside and cuts with scissors with two corresponding described elastic displacement casees respectively
Connect.
Further, corresponding bottom side bar described in two described elastic connection plate is all by elastic connecting hinge and described bullet
Property displacement case connect, each described elastic connection plate is all contour with described joist.
The embodiment of the present invention also provides for a kind of bridge, including two abutments and at least one beam body, also includes at least one
Individual above-mentioned modular expansion device, each described side bar of each described modular expansion device is installed on wherein bridge described in
In platform or wherein beam body described in.
The method have the advantages that
In the retractor device of the present invention, the concrete of both sides, expansion joint is provided with side bar, then pacifies between side bar
Being provided with at least one central sill, and side bar all can be supported fixing by joist with central sill, joist two ends are then respectively adopted cunning
Dynamic bearing and stationary balls bearing are fixed on the both sides at expansion joint, and joist is installed near one end of slip bearing
In second displacement case of respective side, it is adapted to the telescopic variation at expansion joint, and joist is steel ball bearing near fixing end side,
It adapts to be defined vertically or horizontally corner by temperature, crosswind force, sedimentation deformation difference etc., meets the multi-directional deflection at expansion joint
Requirement.All use waterproof adhesive tape to connect between side bar with corresponding central sill or between adjacent two central sills, waterproof adhesive tape energy simultaneously
Meet the waterproof of expansion joint and every slag, dust-separation requirement.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The structural representation of the modular expansion device that Fig. 1 provides for the embodiment of the present invention；
Fig. 2 is the structural representation that the modular expansion device of Fig. 1 is installed on expansion joint；
Fig. 3 is the lateral node plate attachment structure schematic diagram with elastic displacement case of the modular expansion device of Fig. 1；
Fig. 4 is enlarged drawing at the A of Fig. 3；
Fig. 5 is the structural representation of the stationary balls bearing of the modular expansion device joist position fixed ends of Fig. 1；
Fig. 6 is the gallows frame position slip bearing peace with slip compressing support of the modular expansion device of Fig. 1
Assembling structure schematic diagram.
Detailed description of the invention
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
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, those of ordinary skill in the art obtained under not making creative work premise all other
Embodiment, broadly falls into the scope of protection of the invention.
Seeing Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of modular expansion device 1, including two side bars 11, limit
Beam 11 is vertically located at the concrete 21 of both sides, expansion joint 2, and for being oppositely arranged between two side bars 11, retractor device 1 also includes
Joist 12 and at least one central sill 13, each central sill 13 may be contained between two side bars 11, and all along the length side of joist 12
To being spaced setting successively, each central sill 13 and and its just to side bar 11 or another central sill 13 between all use waterproof adhesive tape 14
Connecting, joist 12 is across described expansion joint 2 and is positioned at two side bars 11 and the underface of each central sill 13, by joist 12 shape
The vertical supporting of paired above-mentioned each beam, joist 12 two ends along its length be respectively adopted slip bearing 16 and
Stationary balls bearing 15 is installed on the concrete 21 of both sides, expansion joint 2.In the present embodiment, adjacent side bar 11 and central sill 13 it
Between and adjacent two central sills 13 between all use waterproof adhesive tape 14 to be tightly connected, adapting to the telescopic variation at expansion joint 2
Meanwhile, the waterproof requirement at expansion joint is met.Meanwhile, the wherein one end of joist 12 uses stationary balls bearing 15 to install in coagulation
On soil 21, the other end is installed on opposite side concrete 21 by movable bearing support 16, when expansion joint 2 telescopic variation, and joist 12
Steel ball bearing 15 can be relatively fixed and slip bearing 16 moves, to adapt to this telescopic variation at expansion joint 2, Er Qieneng
Enough adapt to the multi-directional deflection in automotive wheel driving process, retractor device 1 produced.
Seeing Fig. 2-Fig. 4, optimize above-described embodiment, each waterproof adhesive tape 14 bends successively along the length direction of joist 12,
And its both ends fit with the top board 133 lower edge inner surface of corresponding side bar 11 or corresponding central sill 13 respectively.In the present embodiment, will
Waterproof adhesive tape 14 bends so that it is having at least part of structure is the wavy profile repeatedly bent, and it is along the length of joist 12
Degree direction has preferable elasticity, is adapted to the deformation requirements at expansion joint 2；Meanwhile, waterproof adhesive tape 14 uses this folding to tie
Structure profile so that it is compare the main telescopic variation of traditional adhesive tape by vertically transferring to laterally；Between adhesive tape and side bar 11, central sill 13
Gap relatively conventional flying bird formula waterproof adhesive tape be greatly decreased, decrease the accumulation such as rubbish, simultaneously because waterproof adhesive tape after Zhe Dieing
The wavy repeatedly bending structure profile of 14, after on stone or silting to waterproof adhesive tape 14, when retractor device 1 is overall
During contraction, by waterproof adhesive tape 14 telescopic variation, the stone on waterproof adhesive tape 14 or silt can will be accumulated in by two side bars
Extrude between 11, take out of with wheel, thus reach the purpose of slagging-off.
Continuing to optimize above-described embodiment, each side bar 11 is respectively provided with to horizontal-extending the first slide plate 111 of corresponding central sill 13,
The two relative side of each central sill 13 is respectively provided with the second horizontal-extending slide plate 131, and each second slide plate 131 is with corresponding first
Between slide plate 111 or the second slide plate 131 of correspondence, part overlaps, and each first slide plate 111 is respectively positioned on each second slide plate 131
The underface of corresponding waterproof adhesive tape 14.In the present embodiment, the first slide plate 111 and the second slide plate 131 overlaps or two second cunnings
Overlap between plate 131, form overlap joint.When expansion joint 2 deforms, the first slide plate 111 and second going up correspondence in the horizontal direction is sliding
Can form slip relatively between plate 131 or between two the second slide plates 131, on the other hand, the first slide plate 111 and second is sliding
Plate 131 is respectively positioned on the lower section of corresponding waterproof adhesive tape 14, and waterproof adhesive tape 14 can contact with both, or be separated by, but spacing is non-
The least, waterproof adhesive tape 14 can be formed vertical supporting role by the first slide plate 111 and the second slide plate 131.Work as marine glue
Bar 14 is extruded by rubble, and the first slide plate 111 can be that corresponding waterproof adhesive tape 14 provides counteracting force with the second slide plate 131, can
So that rubble is after the rolling of wheel, take out of from the gap between side bar 11 and central sill 13 with wheel, and then it is existing to reduce card stone
The generation of elephant.Tradition flying bird formula waterproof adhesive tape is owing to lower section is without supporting, it is impossible to providing bearing reaction, therefore, rubble enters side bar
Behind gap between 11 and central sill 13, under wheel rolls, it is easy to puncture adhesive tape, or it is de-to make adhesive tape collapse, this retractor device
Design, decrease the generation of these situations, the service life of adhesive tape be greatly improved.
See Fig. 4, optimize the structure of side bar 11 and central sill 13 further, be also all provided with below side bar 11 and central sill 13 top board
It is equipped with L-type plate 141, each described L-type plate 141 and the U-type groove forming opening upwards between corresponding side bar 11 or central sill 13
142, two ends of waterproof adhesive tape 14 are clamped in two U-type groove 142 of correspondence respectively.By on side bar 11 with central sill 13
The U-type groove 142 of opening upwards is set, on the premise of ensureing waterproof sealing, waterproof adhesive tape 14 and corresponding side bar 11 can be simplified
And the installation between correspondence central sill 13.
Seeing Fig. 1 and Fig. 2, further, retractor device 1 also includes the first displacement case 121 and the second displacement case 122,
Both of which is embedded in the concrete 21 of both sides, expansion joint 2, and the first displacement case 121 is stretched in two end activities respectively of joist 12
And second in displacement case 122.In the present embodiment, the first displacement case 121 and the second displacement case 122 all in casing, joist 12
Two ends are respectively protruding into aforementioned in both, rotate or slip the first displacement case 121 and the second displacement case 122 in, with
Adapt to the displacement request of retractor device.
Further, two side bars 11 can also support the first displacement case 121 or the second being fixed on correspondence respectively
Move on case 122.With continued reference to Fig. 2 and Fig. 5, usually, stationary balls bearing 15 is positioned at the opening part of the first displacement case 121.
In the present embodiment, joist 12 is fixing holds upper and lower edge all by the upper lower support plate of stationary balls bearing 15 and displacement case, joist beam
Even, formed between joist 12 and displacement case 121 fixing is connected for weldering between body.This fit structure is similar to " multi-directional ball
Hinge ", joist 12 is respectively provided with, to vertical corner, transverse translation corner, well adapting to property.For stationary balls bearing 15, due to it
For steel ball bearing, there is not problem of aging relative to plastic cement bearing in it, service life is long, with the expansion joint 2 agent structure same life-span.
Further, joist 12 is movable end near one end of slip bearing 16, is positioned at the structure of joist upper part
For slip compressing support 17, and the structure being positioned at joist lower part is slip bearing 16, and slip bearing 16 is positioned at
The opening part of two displacement casees 122, joist 12 is supported on slip bearing 16, stretches, at slip bearing with expansion joint 2
Slide on 16.Meanwhile, joist 12 movable end is arranged above slip compressing support 17, and it is installed on the second displacement case 122 and joist 12
Between, the effect of compression joist 12 can be played by applying certain pre-applied force.
With continued reference to Fig. 2 and Fig. 3, further, central sill 13 includes web 131 and base plate 132, and web 131 is vertical
Arranging, base plate 132 is horizontally disposed with, and web 131 can be integrally formed with base plate 132, it would however also be possible to employ weldering is even.
Referring again to Fig. 4, central sill 13 is connected by gallows frame 18 is fixing with joist 12.Between central sill 13 and joist 12 i.e.
For slip bearing 16, being positioned at below joist 12 is then slip compressing support 17.Seeing Fig. 2 and Fig. 6, refinement slip is held
The structure of pressure bearing 16, slip bearing 16 surface is trough body structure profile, and cell body top layer has politef slide plate
161, cell body top layer has politef slide plate 161 and fits with joist 12 upper surface, and joist 12 upper surface completely spreads 2～3mm mirrors
The corrosion resistant plate in face, slip bearing 16 can be slidably connected along the length direction of joist 12, and slip bearing 16 is by pre-
Reinforcing and its clamping of joist 12 so that both are connected as an entirety, and accordingly, slip compressing support 17 also has politef
Slide plate 171, it is slidably connected with the lower surface of joist 12.Lower surface at base plate 132 is welded with a limited block 134, and slip is held
Pressure bearing 16 is fixed on below base plate 132 by limited block 134, and slip compressing support 17 is all fixed by another limited block 134
On force transmission beam 182.Connected fixing between force transmission beam 182 with corresponding base plate 132 by some pull bars 183, each pull bar 183
All it is vertically arranged.It is connected as an entirety by pull bar 183 between force transmission beam 182 with corresponding central sill 13, and then passes through power transmission
Crossbeam 182 realizes being slidably connected of central sill 13 and slip compressing support 17, and the end of the upper end of each pull bar 183 and corresponding central sill 13
Plate 132 ground floor welds, and meanwhile, the upper end of each pull bar 183 separately has an annular steel pile casting 181, annular steel pile casting 181 with corresponding in
The base plate 132 of beam 13 carries out second layer welding, and each pull bar 183 lower end then through corresponding force transmission beam 182 and leads between the two
Crossing nut 184 to lock, simple in construction, stability is higher.Each force transmission beam 182 is all to having 2 pull bars 183, formation side
The anchor ear of shape, joist 12 is passed by the middle of it, so that joist 12 and each central sill 13 are connected as an entirety.And due to pull bar
Locked by nut 184 between lower end and the force transmission beam 182 of 183, this can be played regulation power transmission horizontal stroke by rotating nut 184
The effect of pretightning force between beam 182 with corresponding slip compressing support 17.Optimize above-described embodiment, the corresponding torr of the second displacement case 122
The movable end of beam 12, then can be prepared as horn-like by the second displacement case 122, and along the direction bore flaring away from expansion joint 2.This
In embodiment, joist 12 stretches into the part of the second displacement case 122 as movable end, in practical engineering application, due to temperature, heavy
Fall, wind-force, the impact of the multiple load such as wheel load, this end of joist 12 is likely to be of multi-directional deflection in the second displacement case 122,
This point is particularly evident in Large Span Bridges or curving bridge, is designed as horn-like by the second displacement case 122 so that joist 12
Within it there is bigger activity space, thus joist 12 has the adaptability to multidirectional displacement.
Further, the first displacement case 121 and the second displacement case 122 are also respectively and fixedly provided with crab-bolt 123, anchor blind rivet
In 123 concrete 21 all horizontally extending into respective side, to improve the first corresponding displacement case 121 or the second displacement case 122 mixed
Anchoring in solidifying soil 21.
Refer again to Fig. 2 and Fig. 3, further, in the concrete 21 of both sides, expansion joint 2, be also separately installed with anchor draw
Plate 112, two side bars 11 are respectively positioned between two anchor tie plate 112, and each side bar 11 is both secured on the anchor tie plate 112 of correspondence.
Anchor tie plate 112 is embedded in the concrete 21 of respective side, and corresponding side bar 11 can be formed fixing by the way of welding.
Optimize above-described embodiment, in the concrete 21 of both sides, expansion joint 2, be embedded with gantry type embedded bar the most respectively
113, this gantry type reinforcing bar 113 extends to the lower section of the anchor tie plate 112 of respective side, and between itself and the anchor tie plate 112 of respective side
Welding.It is specially when gantry type reinforcing bar 113 quadra structure is constructed in both sides, expansion joint beam body (or abutment) pre-buried, flexible
Seam installation is to carry out two-sided welding between anchor tie plate 112 and gantry type reinforcing bar 113, to increase the anchoring after retractor device is installed
Property.
Usually, being also embedded with steel hoop in concrete 21, steel hoop is by the outside of the anchor tie plate 112 of respective side
Horizontal-extending, i.e. the relative anchor tie plate 112 of gantry type reinforcing bar 113 is vertically extending, and steel hoop is then water relative to anchor tie plate 112
Flat extension, welds steel hoop with the gantry type reinforcing bar 113 of respective side, thus by the steel hoop of the same side, gantry type steel
Muscle 113 and anchor tie plate 112 are connected as an entirety, increase anchoring when retractor device is installed further.Further, exist
The lower section of each side bar 11 and the lower section of each central sill 13 are also respectively and fixedly provided with gusset plate 135, and each gusset plate 135 is vertically arranged,
And when its web 131 with side bar 11 time corresponding is located along the same line by gusset plate 135 and side bar 11, and when right with central sill 13
At once, then the web 131 with central sill 13 is located along the same line, and each gusset plate 135 is spaced successively along the length direction of joist 12
Arranging, direction across bridge staggers with joist 12, additionally all by connecting by the elastic of horizontal extension between two adjacent gusset plates 135
Fishplate bar 19 connects.In the present embodiment, gusset plate 135 is connected as an entirety, each elasticity with corresponding side bar 11 or central sill 13
Connecting plate 19 all can stretch in the horizontal direction, and be spaced successively along each elastic connection plate of length direction 19 being perpendicular to joist 12 and set
Putting, two ends of each elastic connection plate 19 consolidate with two corresponding gusset plate 135 crab-bolts respectively.Using crab-bolt to consolidate can
With beneficially elastic connection plate 19 stress, prevent fatigue rupture.Owing to elastic connection plate 19 can stretch in the horizontal direction, it is possible to
Meet the deformation requirements at expansion joint 2, and its two ends are all connected with displacement case by " elastic connecting hinge " 193, so that by elasticity
The displacement control system of connecting plate 19 composition has the adaptability to vertical corner, so that retractor device has multidirectional displacement
Adaptability.Seeing Fig. 1 and Fig. 3, the structure of refinement elastic connection plate 19, it is formed two be oppositely arranged by flat plate buckling
Shrapnel part 191, two shrapnel part 191 enclose the arch formed horizontally toward, and bear against in corresponding two gusset plates 135
On.Elastic connection plate 19 is bow-shaped structural, and arched opening is towards the length bearing of trend at expansion joint 2, two shell fragments
Portion 191 is all vertically arranged, and part fits on the gusset plate 135 of correspondence respectively, and respectively and carries out between corresponding node plate 135
Crab-bolt consolidates, and it is wanted with the deformation adapting to expansion joint 2 along the Flexible change of the length direction of joist 12 by two shrapnel part 191
Ask.Usually, each retractor device 1 all includes multiple elastic connection plate 19, and along being perpendicular to the length direction position of joist 12
The elastic connection plate 19 adjacent with wherein one in middle elastic connection plate 19 is oppositely arranged (the arch knot of two elastic connection plates 19
The opening of structure is relative), elastic connection plate 19 opposing setting (the arched opening of two elastic connection plates 19 adjacent with another
Mutually deviate from).The opening of each elastic connection plate 19 can certainly be made towards identical, and the distance between each elastic connection plate 19 is equal
Identical, the most each elastic connection plate 19 is evenly arranged successively along the length direction being perpendicular to joist 12.
Seeing Fig. 1-Fig. 3, further, also include at least two elastic displacement case 192, each elastic displacement case 192 is respectively
Being embedded in the concrete 21 of both sides, expansion joint 2, it is similar, along joist 12 with the first displacement case 121 and the second displacement case 122
Length direction, corresponding two elastic displacement casees 192 of each elastic connection plate 19 being located along the same line, and organize position when have more
During elastic connection plate 19 on same straight line, then elastic displacement case 192 also has multiple.
In the present embodiment, typically each elastic connection plate 19 is respectively positioned at the joist 12, the i.e. first displacement case 121 and
An elastic displacement case 192 all it is correspondingly arranged near at second displacement case 122, in engineering reality, the first displacement case 121 and
Two displacement casees 122 can be laid and two first displacement casees with the elastic displacement case 192 separable layout of direction across bridge, i.e. elastic displacement case 19
In the middle of 121.
Further, along the length direction of joist 12 and be positioned at two gusset plates 135 in outside by " elastic connecting hinge "
193 is hinged with corresponding two elastic displacement casees 192, so that the elastic displacement control system tool being made up of elastic connection plate 19
There is the adaptability to vertical corner, so that retractor device has the adaptability to multidirectional displacement.
Optimize above-described embodiment, each elastic connection plate 19 with and its close joist 12 contour.When External Force Acting joist 12
During rotation, the elastic displacement control system being made up of each elastic connection plate 19 can be coaxial with joist 12.
Referring again to Fig. 1 and Fig. 2, the embodiment of the present invention also provides for a kind of bridge, including two abutments and at least
Individual beam body 3, forms expansion joint 2 between two adjacent beam body 3 or between beam body 3 and abutment, bridge also includes at least one
Individual above-mentioned retractor device 1, two side bars 11 of each retractor device 1 lay respectively at the both sides at this expansion joint 2, are specially flexible
Two side bars 11 of device 1 be respectively arranged in adjacent two beam body 3 or be respectively arranged in wherein an abutment and with this
In the beam body 3 that abutment is adjacent, two ends of the most each joist 12 are also respectively adopted slip bearing 16 and fixing steel
Tumbler bearing 15 is fixed in adjacent two beam body 3 or is respectively arranged in wherein an abutment and the beam body adjacent with this abutment
On 3.The present embodiment retractor device 1 by this structure, not only can meet the deformation requirements at corresponding expansion joint 2, can be for row
Car provides continuous print traffic loading end, and has preferable water resistance, and disclosure satisfy that expansion joint 2 multi-directional deflection requirement.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (21)
1. a modular expansion device, including being positioned at two side bars of both sides, expansion joint, two described side bars are oppositely arranged, its
It is characterised by: also include being set in turn between two described side bars at least one central sill and across described expansion joint and be positioned at
Joist below described central sill, each described side bar and each described central sill all support and are installed on described joist, described joist
Two ends are respectively adopted slip bearing and stationary balls bearing is fixed on the both sides at described expansion joint, each described central sill with
And its just to described side bar or another described central sill between all use waterproof adhesive tape to connect.
2. modular expansion device as claimed in claim 1, it is characterised in that: described waterproof adhesive tape is along the length of described joist
Direction bends successively, and its both ends are fitted and connected with corresponding described side bar or corresponding described central sill top board lower surface respectively.
3. modular expansion device as claimed in claim 1, it is characterised in that: each described side bar is respectively provided with to described in correspondence
The first slide plate that central sill is horizontal-extending, the two relative side of each described central sill is respectively provided with the second horizontal-extending slide plate, each
Part overlapping between described second slide plate with corresponding described first slide plate or corresponding described second slide plate, and each described the
One slide plate is respectively positioned on the underface of corresponding described waterproof adhesive tape with each described second slide plate.
4. modular expansion device as claimed in claim 2, it is characterised in that: described side bar and described central sill top board lower edge
Also being provided with L-type plate, each described L-type plate forms the U-shaped of opening upwards with between corresponding described side bar or described central sill
Groove, two ends of described waterproof adhesive tape are clamped in two described U-type groove of correspondence respectively.
5. modular expansion device as claimed in claim 1, it is characterised in that: described joist is fixing holds upper and lower both sides the most fixing
Described stationary balls bearing is installed, described joist movable end include being positioned at a slip compressing support above described joist with
And it being positioned at a bearing below described joist, described slip compressing support is equal with described slip bearing surface
Politef slide plate, each described politef slide plate is had to slidably contact the surfaces with joist.
6. modular expansion device as claimed in claim 1, it is characterised in that: described central sill include the web that is vertically arranged with
And horizontally disposed base plate, described web is installed on described base plate, and described base plate is connected and fixed on institute by bearing
State on joist.
7. modular expansion device as claimed in claim 6, it is characterised in that: the base plate of described central sill is fixed with gate-type and hangs
Frame, each described central sill base plate is all supported on described joist by a bearing, described joist and each described gate-type
Being provided with a slip compressing support between suspension bracket, each described gallows frame passes through moving screw by corresponding described slip
Bearing is fixed with corresponding described slip compressing support precompressed.
8. modular expansion device as claimed in claim 7, it is characterised in that: each described moving screw upper end with corresponding described in
Base plate welds, and lower end then passes corresponding described force transmission beam and passes through nut check between the two.
9. modular expansion device as claimed in claim 6, it is characterised in that: described bearing is fixed on by limited block
Described central sill base plate, its lower end has the first link slot, and described joist runs through and described in clamping below described bearing
One link slot.
10. modular expansion device as claimed in claim 7, it is characterised in that: described slip compressing support is positioned at described torr
Below beam, described slip compressing support has and the second link slot of described joist clamping, and described joist is from described compressing support
Top is run through and the second link slot described in clamping.
11. modular expansion devices as claimed in claim 1, it is characterised in that: also include being embedded in described expansion joint respectively
Two survey the first displacement case in concrete and the second displacement case, and two ends of described joist are respectively protruding into described first displacement
In case and described second displacement case.
12. modular expansion devices as claimed in claim 11, it is characterised in that: described second displacement case is bell mouth shape,
And along the direction bore flaring shape away from described expansion joint.
13. modular expansion devices as claimed in claim 11, it is characterised in that: described first displacement case and described second
Move and outside case, be respectively and fixedly provided with anchoring blind rivet, and each described displacement case is all fixed on both sides, expansion joint by described anchoring blind rivet and mixes
In solidifying soil.
14. modular expansion devices as claimed in claim 1, it is characterised in that: all it is welded with outside described side bar
Anchor tie plate, is welded with hoop Guan Bi anchor bar below anchor tie plate, and each described side bar all by described anchor tie plate and
Hoop Guan Bi anchor bar is fixed in the concrete of both sides, expansion joint.
15. modular expansion devices as claimed in claim 14, it is characterised in that: the concrete in both sides, described expansion joint is also
Being embedded with gantry type reinforcing bar respectively, described gantry type reinforcing bar extends below the described anchor tie plate of respective side and welds between the two
Connect.
16. modular expansion devices as claimed in claim 1, it is characterised in that: in the lower section of each described side bar and every
The lower section of central sill described in is the most all vertically fixed gusset plate, and each described gusset plate and described joist stagger setting, and adjacent two
Between individual described gusset plate all by can horizontal extension elastic connection plate connect.
17. modular expansion devices as claimed in claim 16, it is characterised in that: described elastic connection plate is bent into and relatively sets
Two shrapnel part put, two described shell fragments enclose the arch formed horizontally toward, and bear against in adjacent two described joints
On some plate.
18. modular expansion devices as claimed in claim 16, it is characterised in that: have between adjacent two described gusset plates
Multiple described elastic connection plates, are oppositely arranged or opposing setting between two adjacent described elastic connection plates.
19. modular expansion devices as claimed in claim 16, it is characterised in that: also include being embedded in described expansion joint respectively
At least two elastic displacement case in the concrete of both sides, the length direction along described joist is positioned at two described gusset plates in outside
Hinged with two corresponding described elastic displacement casees respectively.
20. modular expansion devices as claimed in claim 19, it is characterised in that: corresponding described bottom side bar described in two
Elastic connection plate is all connected with described elastic displacement case by elastic connecting hinge, each described elastic connection plate all with described joist etc.
High.
21. 1 kinds of bridges, including two abutments and at least one beam body, it is characterised in that: also include that at least one is such as right
Requiring the modular expansion device described in any one of 1-20, each described side bar of each described modular expansion device is installed on
Wherein abutment described in one or wherein in beam body described in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610727198.2A CN106320169B (en) | 2016-08-25 | 2016-08-25 | Modular expansion device and bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727198.2A CN106320169B (en) | 2016-08-25 | 2016-08-25 | Modular expansion device and bridge |
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| CN106320169A true CN106320169A (en) | 2017-01-11 |
| CN106320169B CN106320169B (en) | 2018-10-09 |
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| CN201610727198.2A Active CN106320169B (en) | 2016-08-25 | 2016-08-25 | Modular expansion device and bridge |
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| CN106894335A (en) * | 2017-04-25 | 2017-06-27 | 中国冶集团有限公司 | Modulus bridge expansion device and its installation method |
| CN107130515A (en) * | 2017-07-11 | 2017-09-05 | 衡水双盛工程橡胶有限公司 | A kind of board-like bridge extension joint of Long span shock resistance multi-directional deflection comb shape |
| CN107299590A (en) * | 2017-07-07 | 2017-10-27 | 中铁第四勘察设计院集团有限公司 | Double-joint shallow shaped steel formula bridge extension joint |
| CN108221653A (en) * | 2017-04-21 | 2018-06-29 | 中国五冶集团有限公司 | Flexible attachment device and processing method |
| CN108660919A (en) * | 2018-07-05 | 2018-10-16 | 衡水中铁建工程橡胶有限责任公司 | A kind of heavy type twin beams modulus bridge expansion device |
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| CN110241718A (en) * | 2019-07-23 | 2019-09-17 | 四川路安路桥科技有限公司 | A kind of modularization modular expansion device |
| CN110331660A (en) * | 2019-08-21 | 2019-10-15 | 衡水中铁建工程橡胶有限责任公司 | A kind of modulus type bridge expanssion joint with flat pendulum support beam |
| CN111119038A (en) * | 2019-12-30 | 2020-05-08 | 山西省交通新技术发展有限公司 | Multi-directional displacement composite plate type expansion device for highway bridge |
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| CN108221653A (en) * | 2017-04-21 | 2018-06-29 | 中国五冶集团有限公司 | Flexible attachment device and processing method |
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| CN107299590A (en) * | 2017-07-07 | 2017-10-27 | 中铁第四勘察设计院集团有限公司 | Double-joint shallow shaped steel formula bridge extension joint |
| CN107130515A (en) * | 2017-07-11 | 2017-09-05 | 衡水双盛工程橡胶有限公司 | A kind of board-like bridge extension joint of Long span shock resistance multi-directional deflection comb shape |
| WO2019020064A1 (en) * | 2017-07-27 | 2019-01-31 | 单国珠 | Overall reinforcement modular-type multi-directional shift telescopic device and method |
| CN108660919B (en) * | 2018-07-05 | 2023-08-25 | 中裕铁信交通科技股份有限公司 | Heavy double-beam modular bridge expansion device |
| CN108660919A (en) * | 2018-07-05 | 2018-10-16 | 衡水中铁建工程橡胶有限责任公司 | A kind of heavy type twin beams modulus bridge expansion device |
| CN109440637A (en) * | 2018-12-19 | 2019-03-08 | 衡水中铁建工程橡胶有限责任公司 | A kind of highway bridge antidetonation telescopic device |
| CN109778691A (en) * | 2019-03-14 | 2019-05-21 | 中铁第四勘察设计院集团有限公司 | Steel bomb physique beam type profile steel bridge expansion device |
| CN110241718A (en) * | 2019-07-23 | 2019-09-17 | 四川路安路桥科技有限公司 | A kind of modularization modular expansion device |
| CN110241718B (en) * | 2019-07-23 | 2021-10-26 | 四川路安路桥科技有限公司 | Modular modulus type telescopic device |
| CN110331660A (en) * | 2019-08-21 | 2019-10-15 | 衡水中铁建工程橡胶有限责任公司 | A kind of modulus type bridge expanssion joint with flat pendulum support beam |
| CN111119038A (en) * | 2019-12-30 | 2020-05-08 | 山西省交通新技术发展有限公司 | Multi-directional displacement composite plate type expansion device for highway bridge |
| CN111676811A (en) * | 2020-05-26 | 2020-09-18 | 尉氏县通达公路养护工程有限公司 | Bridge expansion joint device |
| CN114991001A (en) * | 2022-05-20 | 2022-09-02 | 苏交科集团股份有限公司 | Easy-to-overhaul spliced bridge expansion joint structure and construction method thereof |
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