CN106320169B - Modular expansion device and bridge - Google Patents
Modular expansion device and bridge Download PDFInfo
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- CN106320169B CN106320169B CN201610727198.2A CN201610727198A CN106320169B CN 106320169 B CN106320169 B CN 106320169B CN 201610727198 A CN201610727198 A CN 201610727198A CN 106320169 B CN106320169 B CN 106320169B
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- 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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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to expansion joints, a kind of modular expansion device is provided, include two side bars positioned at expansion joint both sides, two side bars are oppositely arranged, further include being set in turn between two side bars and at least one central sill for being arranged in the same direction along side bar and the joist across expansion joint and below central sill, each side bar and each central sill, which support, to be installed on joist, stationary balls bearing is respectively adopted in the both ends of joist and movable bearing is fixed on the both sides at expansion joint, each central sill and waterproof adhesive tape connection is all made of between the side bar or another central sill of its face；A kind of bridge, including above-mentioned telescopic device are also provided.In the telescopic device of the present invention, since telescopic device displacement control system is using elastic system, therefore there is certain adaptability to level angle, simultaneously because activity bearing in joist one end supports, one end stationary balls seat supports, the telescopic variation and automotive wheel that can adapt to expansion joint travel the multi-directional deflection generated to telescopic device.
Description
Technical field
The present invention relates to expansion joint more particularly to a kind of modular expansion devices and bridge.
Background technology
Telescopic device is the key position in bridge member, is played 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) it is to the definition of bridge extension joint：For so that vehicle is smoothly passed bridge floor and meet bridge deck structure deformation needs, in bridge floor
The general name for the device being arranged at variator.
Currently, common 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, meanwhile, it is stitched for modulus, the main disease of modular expansion device
Evil is shown as：
1. anchoring piece destroys；
2. middle beam is snapped, is broken, shaking, noise occurs；Central sill local deformation flexural downwarping, shaped steel concave-convex surface is not
It is flat；
3. flexible uniformity is poor, displacement control system failure；
4. controller perturbation element, pressure-bearing bearing and compression bearing disease；
5. the rapid aging of caulking gum band falls off or ruptures, serious leak；Rubbish is overstock excessive in caulking gum band,
Influence Telescopic.
And the deformed steel modular expansion device in existing market, existing longitudinal extension gap is big, uneven, punching of stretching
It is more prominent to hit phenomena such as power is concentrated, jump vehicle is serious, concrete is frangible, extensible member spoilage is high, manufacturing expense is big.Especially
To suspension bridge, cable-stayed bridge and oblique, curved bridge, since bridge structure unavoidably has multidirectional displacement, during use sternly
Inadaptable transverse direction and the defect of multi-directional deflection requirement are exposed again.And height, vertical, horizontal is required to conjugate big oblique pull vertical deformation
Bridge, suspension bridge etc., traditional modular expansion device for bridge are then difficult to meet the requirement of its multi-directional deflection.
Invention content
The purpose of the present invention is to provide a kind of modular expansion devices, it is intended to be stretched for solving existing modulus type bridge
Compression apparatus is difficult to the problem of meeting multi-directional deflection requirement.
The invention is realized in this way：
The embodiment of the present invention provides a kind of modular expansion device, includes two side bars positioned at expansion joint both sides, two
The side bar is oppositely arranged, and further includes at least one central sill and across described flexible between being set in turn in two side bars
It stitches and the joist below the central sill, each side bar and each central sill is supported and be installed on the joist, institute
Sliding bearing is respectively adopted for the both ends for stating joist and stationary balls bearing is fixed on the both sides at the expansion joint, Mei Yisuo
It states central sill and is all made of waterproof adhesive tape connection between the side bar or another central sill of its face.
Further, the waterproof adhesive tape is bent successively along the length direction of the joist, and its both ends respectively with it is right
The side bar or corresponding central sill top plate lower surface is answered to be fitted and connected.
Further, each side bar all has to horizontal-extending first slide plate of the correspondence central sill, each described
The two relative side of central sill all has horizontal-extending second slide plate, each second slide plate and corresponding first slide plate
Or partly overlapped between corresponding second slide plate, and each first slide plate be respectively positioned on each second slide plate it is corresponding
The underface of the waterproof adhesive tape.
Further, be also both provided with L-type plate below the side bar and the central sill top plate, each L-type plate with
The U-type groove of opening upwards is formed between the corresponding side bar or the central sill, two ends of the waterproof adhesive tape are blocked respectively
Tightly in corresponding two U-type grooves.
Further, the joist fixing end is installed with the stationary balls bearing, the joist in both sides up and down
Movable end bearing includes being located at a sliding compressing support above the joist and a cunning below the joist
Dynamic bearing, the sliding compressing support has polytetrafluoroethylene (PTFE) slide plate with the sliding bearing surface, each described poly-
Tetrafluoroethene slide plate is slidably contacted the surfaces with joist.
Further, the central sill includes the web being vertically arranged and horizontally disposed bottom plate, the web install in
On the bottom plate, and the bottom plate is connected and fixed on by sliding bearing on the joist.
Further, the bottom plate of the central sill is fixed with gallows frame, and each central sill bottom plate is slided by one
Bearing is supported on the joist, be respectively provided between the joist and each gallows frame there are one sliding compress branch
Seat, each gallows frame are pre- by the corresponding bearing and the corresponding sliding compressing support by moving screw
Pressing is fixed.
Further, each moving screw upper end is welded with the corresponding bottom plate, and lower end then passes through the corresponding power transmission
Crossbeam and pass through nut check between the two.
Further, the sliding bearing is fixed on the central sill bottom plate by limited block, and lower end has first
Link slot, the joist run through and clamping described in the first link slot.
Further, further include sliding compressing support correspondingly with each bearing, the sliding compresses branch
Seat is located at below the joist, and the sliding compressing support has the second link slot with the joist clamping.
Further, further include the first displacement case and second for being embedded in the expansion joint two respectively and surveying in concrete
Case is moved, two ends of the joist are respectively protruding into the first displacement case and the second displacement case.
Further, the second displacement case is in bell mouth shape, and along the direction bore flaring shape far from the expansion joint.
Further, the first displacement case is respectively and fixedly provided with anchoring blind rivet with the second displacement case.
Further, anchor tie plate is welded on the outside of the side bar, being welded with circumferential direction below anchor tie plate closes
Anchor bar is closed, and each side bar is fixed on expansion joint both sides with circumferential closure anchor bar by the anchor tie plate and mixes
In solidifying soil.
Further, the concrete in the expansion joint both sides is also embedded with gantry type reinforcing bar, the gantry type steel respectively
Muscle is between the two welded to extension below the anchor tie plate of respective side and when telescopic device is installed.
Further, also it is vertically fixed node in the lower section of the lower section of each side bar and each central sill
Plate, each gusset plate and the joist stagger setting, and by can horizontal extension between the two neighboring gusset plate
Elastic connection plate connects.
Further, the elastic connection plate is bent into two shrapnel parts being oppositely arranged, and two shrapnels enclose shape
At arch horizontally toward, and bear against on the two neighboring gusset plate.
Further, there are multiple elastic connection plates, described in adjacent two between the two neighboring gusset plate
It is oppositely arranged or is disposed opposite to each other between elastic connection plate.
Further, further include at least two elastic displacement casees being embedded in respectively in the concrete of the expansion joint both sides,
Two gusset plates for being located at outside along the length direction of the joist are cut with scissors with the corresponding two elastic displacement casees respectively
It connects.
Further, the elastic connection plate corresponding to the two side bar bottoms passes through elastic connection hinge and the bullet
Property the connection of displacement case, each elastic connection plate is contour with the joist.
The embodiment of the present invention also provides a kind of bridge, including two abutments and at least one beam body, further includes at least one
Each side bar of a above-mentioned modular expansion device, each modular expansion device is installed on wherein one bridge
On platform or wherein one beam body.
The invention has the advantages that：
In the telescopic device of the present invention, it is both provided with side bar on the concrete of expansion joint both sides, and then pacifies between side bar
Equipped at least one central sill, and side bar can be supported fixation with central sill by joist, and cunning is then respectively adopted in joist both ends
Dynamic bearing and stationary balls bearing are fixed on the both sides at expansion joint, and joist is installed on close to one end of sliding bearing
In the second displacement case of respective side, it is adapted to the telescopic variation at expansion joint, joist is steel ball bearing close to fixing end side,
It adapts to form vertically or horizontally corner by temperature, crosswind force, sedimentation deformation difference etc., meets the multi-directional deflection at expansion joint
It is required that.Waterproof adhesive tape connection, waterproof adhesive tape energy are all made of between side bar and corresponding central sill or between two neighboring central sill simultaneously
Meet the waterproof at expansion joint and every slag, dust-separation requirement.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of modular expansion device provided in an embodiment of the present invention；
Fig. 2 is that the modular expansion device of Fig. 1 is installed in the structural schematic diagram on expansion joint；
Fig. 3 is the attachment structure schematic diagram of the lateral node plate and 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 schematic diagram of the stationary balls bearing of the modular expansion device joist position fixed ends of Fig. 1；
Fig. 6 is that the gallows frame position of the modular expansion device of Fig. 1 slides bearing and slides the peace of compressing support
Assembling structure schematic diagram.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of modular expansion device 1, including two side bars 11, side
Beam 11 is vertically at the concrete 21 of 2 both sides of expansion joint, and to be oppositely arranged between two side bars 11, telescopic device 1 further includes
Joist 12 and at least one central sill 13, between each central sill 13 may be contained within two side bars 11, and along the length side of joist 12
To interval setting successively, each central sill 13 and it is all made of waterproof adhesive tape 14 between the side bar 11 or another central sill 13 of its face
Connection, joist 12 pass through 12 shape of joist across the expansion joint 2 and positioned at the underface of two side bars 11 and each central sill 13
The vertical supporting of pairs of above-mentioned each beam, two ends of joist 12 along its length be respectively adopted sliding bearing 16 and
Stationary balls bearing 15 is installed on the concrete 21 of 2 both sides of expansion joint.In the present embodiment, adjacent side bar 11 and central sill 13 it
Between and adjacent two central sills 13 between be all made of the sealed connection of waterproof adhesive tape 14, in the telescopic variation for adapting to expansion joint 2
Meanwhile meeting the waterproof requirement at expansion joint.Meanwhile the wherein one end of joist 12 is installed using stationary balls bearing 15 in coagulation
On soil 21, the other end is installed by movable bearing support 16 on other side concrete 21, when 2 telescopic variation of expansion joint, joist 12
Steel ball bearing 15 can be relatively fixed and sliding bearing 16 moves, to adapt to this telescopic variation at expansion joint 2, Er Qieneng
Enough adapt to the multi-directional deflection generated to telescopic device 1 in automotive wheel driving process.
Referring to Fig. 2-Fig. 4, optimizing above-described embodiment, each waterproof adhesive tape 14 is bent successively along the length direction of joist 12,
And its both ends is bonded with the 133 lower edge inner surface of top plate of corresponding side bar 11 or corresponding central sill 13 respectively.It, will in the present embodiment
Waterproof adhesive tape 14 is bent, and it is in the wavy shape repeatedly bent to make it have at least partly structure, along the length of joist 12
Spending direction has preferable elasticity, is adapted to the deformation requirements at expansion joint 2；Meanwhile waterproof adhesive tape 14 is tied using this folding
Structure shape makes it compared to the main telescopic variation of traditional adhesive tape by vertically switching to transverse direction；Between adhesive tape and side bar 11, central sill 13
The relatively traditional flying bird formula waterproof adhesive tape in gap be greatly decreased, reduce the accumulations such as rubbish, simultaneously because waterproof adhesive tape after folding
14 wavy multiple bending structure shape, after on stone or silting to waterproof adhesive tape 14, when telescopic device 1 is whole
When contraction, by 14 telescopic variation of waterproof adhesive tape, the stone on waterproof adhesive tape 14 or silt can will be accumulated in by two side bars
It squeezes out between 11, is taken out of with wheel, to achieve the purpose that slagging-off.
Continuing to optimize above-described embodiment, each side bar 11 all has to 13 horizontal-extending first slide plate 111 of corresponding central sill,
The two relative side of each central sill 13 all has horizontal-extending second slide plate 130, every 1 second slide plate 130 and corresponding first
It is partly overlapped between slide plate 111 or corresponding second slide plate 130, and each first slide plate 111 is respectively positioned on each second slide plate 130
The underface of corresponding waterproof adhesive tape 14.In the present embodiment, the first slide plate 111 and the second slide plate 130 overlapping or two second cunning
It is overlapped between plate 130, forms overlap joint.When expansion joint 2 deforms, upper corresponding first slide plate 111 and second is slided in the horizontal direction
Opposite sliding can be formed between plate 130 or between two the second slide plates 130, on the other hand, the first slide plate 111 and second is slided
Plate 130 is respectively positioned on the lower section of corresponding waterproof adhesive tape 14, and waterproof adhesive tape 14 can be contacted with the two, or be separated by, but spacing is non-
It is often small, vertical supporting role can form waterproof adhesive tape 14 by the first slide plate 111 and the second slide plate 130.Work as marine glue
Item 14 is squeezed by rubble, and the first slide plate 111 can be that corresponding waterproof adhesive tape 14 provides reaction force with the second slide plate 130, can
So that rubble is taken out of after the rolling of wheel with gap of the wheel between side bar 11 and central sill 13, and then it is existing to reduce card stone
The generation of elephant.Traditional flying bird formula waterproof adhesive tape can not provide bearing reaction, therefore, rubble enters side bar since lower section is without bearing
Behind gap between 11 and central sill 13, in the case where wheel rolls, it is easy to puncture adhesive tape, or de-, this telescopic device that makes adhesive tape collapse
Design, the occurrence of reducing these, the service life of adhesive tape greatly improved.
Referring to Fig. 4, the structure of side bar 11 and central sill 13 is advanced optimized, is also all provided with below 13 top plate of side bar 11 and central sill
It is equipped with L-type plate 141, each L-type plate 141 and the U-type groove that opening upwards are formed between corresponding side bar 11 or central sill 13
142, two ends of waterproof adhesive tape 14 are clamped in respectively in corresponding two U-type grooves 142.By on side bar 11 and central sill 13
The U-type groove 142 of opening upwards is set, under 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.
Referring to Fig. 1 and Fig. 2, further, telescopic device 1 further includes the first displacement case 121 and second displacement case 122,
It is both embedded in the concrete 21 of 2 both sides of expansion joint, the first displacement case 121 is stretched into activity respectively for two ends of joist 12
And in second displacement case 122.In the present embodiment, the first displacement case 121 is in babinet with second displacement case 122, joist 12
Two ends are respectively protruding into aforementioned the two, rotation or sliding in the first displacement case 121 and second displacement case 122, with
Adapt to the displacement request of telescopic device.
Further, two side bars 11 can also support respectively is fixed on corresponding first displacement case 121 or second
It moves on case 122.With continued reference to Fig. 2 and Fig. 5, usually, stationary balls bearing 15 is located at the opening of the first displacement case 121.
In the present embodiment, the upper and lower edge of 12 fixing end of joist passes through the upper lower support plate of stationary balls bearing 15 and displacement case, joist beam
Weldering between body connects, and forms being fixedly connected between joist 12 and displacement case 121.This fit structure is similar to " multi-directional ball
Hinge ", joist 12 all has good adaptability to vertical corner, transverse translation corner.For stationary balls bearing 15, due to it
For steel ball bearing, problem of aging is not present relative to plastic cement bearing, service life is long, with the expansion joint 2 agent structure same service life.
Further, joist 12 is movable end close to one end of sliding bearing 16, is located at the structure of part on joist
To slide compressing support 17, and it is sliding bearing 16 positioned at the structure of joist lower part, sliding bearing 16 is located at the
The opening of two displacement casees 122, joist 12 is supported on sliding bearing 16, flexible with expansion joint 2, in sliding bearing
It is slided on 16.Meanwhile second displacement case 122 and joist 12 are installed on to slide compressing support 17 above 12 movable end of joist
Between, it can play the role of compressing joist 12 by applying certain pre-applied force.
With continued reference to Fig. 2 and Fig. 3, further, central sill 13 includes web 131 and bottom plate 132, and web 131 is vertical
Setting, bottom plate 132 is horizontally disposed, and web 131 can be integrally formed with bottom plate 132, weldering can also be used to connect.
Referring again to Fig. 4, central sill 13 is fixedly connected with joist 12 by gallows frame 18.Between central sill 13 and joist 12 i.e.
To slide bearing 16, be located at 12 lower section of joist is then sliding compressing support 17.Referring to Fig. 2 and Fig. 6, refinement sliding is held
It is trough body structure shape to press the structure of bearing 16,16 surface of sliding bearing, and groove body surface layer has polytetrafluoroethylene (PTFE) slide plate
161, there is polytetrafluoroethylene (PTFE) slide plate 161 to be bonded with 12 upper surface of joist on groove body surface layer, and 12 upper surface of joist completely spreads 2~3mm mirrors
The stainless steel plate in face, sliding bearing 16 can be slidably connected along the length direction of joist 12, and sliding bearing 16 is by pre-
Reinforcing and its clamping of joist 12 so that the two connection is integral, and accordingly, sliding compressing support 17 also has polytetrafluoroethylene (PTFE)
Slide plate 171 is slidably connected with the lower surface of joist 12.It is welded with a limited block 134 in the lower surface of bottom plate 132, sliding is held
Pressure bearing 16 is fixed on 132 lower section of bottom plate by limited block 134, and sliding compressing support 17 is fixed by another limited block 134
In on force transmission beam 182.It is connected and fixed by several pull rods 183 between force transmission beam 182 and corresponding bottom plate 132, each pull rod 183
It is vertically arranged.An entirety is connected as by pull rod 183 between force transmission beam 182 and corresponding central sill 13, and then passes through power transmission
The realization central sill 13 of crossbeam 182 is slidably connected with sliding compressing support 17, and the bottom of the upper end of each pull rod 183 and corresponding central sill 13
132 first layer of plate welds, meanwhile, the upper end of each pull rod 183 separately has an annular steel pile casting 181, annular steel pile casting 181 with it is corresponding in
The bottom plate 132 of beam 13 carries out second layer welding, and 183 lower end of each pull rod then passes through corresponding force transmission beam 182 and leads between the two
The locking of nut 184 is crossed, simple in structure, stability is relatively high.Each force transmission beam 182 is corresponding with 2 pull rods 183, formation side
The anchor ear of shape, joist 12 are integral by passing through among it so that joist 12 is connect with each central sill 13.And due to pull rod
It is locked by nut 184 between 183 lower end and force transmission beam 182, this can be played by rotating nuts 184 and adjust power transmission cross
The effect of pretightning force between beam 182 and corresponding sliding compressing support 17.Optimize above-described embodiment, second displacement case 122 corresponds to support
The movable end of beam 12, then second displacement case 122 can be prepared into it is horn-like, and along the direction bore flaring far from expansion joint 2.This
In embodiment, joist 12 stretches into the part of second displacement case 122 as movable end, in practical engineering application, due to temperature, sinks
Drop, wind-force, a variety of loads such as wheel load influence, and the end of joist 12 may have multi-directional deflection in second displacement case 122,
This point is particularly evident in Large Span Bridges or curving bridge, second displacement case 122 is designed as horn-like so that joist 12
There is larger activity space in it, to which joist 12 has the adaptability to multidirectional displacement.
Further, it is also respectively and fixedly provided with anchor bolt 123 on the first displacement case 121 and second displacement case 122, anchors blind rivet
123 horizontally extend into the concrete 21 of respective side, to improve corresponding first displacement case 121 or second displacement case 122 mixed
Anchoring in solidifying soil 21.
Referring again to Fig. 2 and Fig. 3, further, anchor drawing is also separately installed in the concrete 21 of 2 both sides of expansion joint
Plate 112, two side bars 11 are respectively positioned between two anchor tie plates 112, and each side bar 11 is both secured on corresponding anchor tie plate 112.
Anchor tie plate 112 is embedded in the concrete 21 of respective side, and corresponding side bar 11 can form fixation by welding.
Optimize above-described embodiment, gantry type embedded bar is also embedded with respectively in the concrete 21 of 2 both sides of expansion joint
113, which extends to the lower section of the anchor tie plate 112 of respective side, and it is between the anchor tie plate 112 of respective side
Welding.Specially 113 square frame structure of gantry type reinforcing bar is pre-buried when expansion joint both sides beam body (or abutment) is constructed, and stretches
Seam installation is that two-sided welding is carried out between anchor tie plate 112 and gantry type reinforcing bar 113, to increase the anchoring after telescopic device installation
Property.
Usually, be also embedded with steel hoop in concrete 21, steel hoop by respective side anchor tie plate 112 outside
Horizontal extension, i.e. gantry type reinforcing bar 113 are vertically extending with respect to anchor tie plate 112, and steel hoop is then water relative to anchor tie plate 112
It is flat to extend, the gantry type reinforcing bar 113 of steel hoop and respective side is welded, thus by the steel hoop of the same side, gantry type steel
Muscle 113 and anchor tie plate 112 are connected as an entirety, further increase anchoring when telescopic device installation.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 gusset plate 135 and side bar 11 to it is corresponding when itself and side bar 11 web 131 be located along the same line, and when right with central sill 13
At once, then it is located along the same line with the web of central sill 13 131, each gusset plate 135 is spaced successively along the length direction of joist 12
Setting, direction across bridge is staggered with joist 12, in addition between two adjacent gusset plates 135 by can horizontal extension elasticity company
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 can stretch in the horizontal direction, and be set along each elastic connection plate of length direction 19 perpendicular to joist 12 successively interval
It sets, two ends of each elastic connection plate 19 are consolidated with 135 anchor bolt of corresponding two gusset plates respectively.It can using anchor bolt consolidation
To be conducive to 19 stress of elastic connection plate, fatigue rupture is prevented.It, can since elastic connection plate 19 can stretch in the horizontal direction
Meet the deformation requirements at expansion joint 2, and its both ends is connect by " elastic connection hinge " 193 with displacement case, to make by elasticity
The displacement control system that connecting plate 19 forms has the adaptability to vertical corner, to make telescopic device have to multidirectional displacement
Adaptability.Referring to Fig. 1 and Fig. 3, the structure of elastic connection plate 19 is refined, forms two be oppositely arranged by flat plate buckling
Shrapnel part 191, two shrapnel parts 191 are enclosed arch horizontally toward, and bear against in corresponding two gusset plates 135
On.Elastic connection plate 19 is bow-shaped structural, and the opening of bow-shaped structural is towards the length extending direction at expansion joint 2, two shrapnels
Portion 191 is vertically arranged, and is partly fitted on corresponding gusset plate 135 respectively, and is carried out between corresponding node plate 135 respectively
Anchor bolt consolidates, and is wanted with the deformation for adapting to expansion joint 2 along the Flexible change of the length direction of joist 12 by two shrapnel parts 191
It asks.Usually, each telescopic device 1 includes multiple elastic connection plates 19, and along perpendicular to the length direction position of joist 12
It is oppositely arranged (the arch knot of two elastic connection plates 19 in intermediate elastic connection plate 19 elastic connection plate 19 adjacent with wherein one
The opening of structure is opposite), it is disposed opposite to each other (the opening of the bow-shaped structural of two elastic connection plates 19 with another adjacent elastic connection plate 19
Mutually deviate from).Can certainly making the opening of each elastic connection plate 19, the distance between each elastic connection plate 19 is equal towards identical
Identical, i.e., each elastic connection plate 19 is evenly arranged successively along the length direction perpendicular to joist 12.
Further include at least two elastic displacement casees 192 further referring to Fig. 1-Fig. 3, each elastic displacement case 192 is distinguished
It is embedded in the concrete 21 of 2 both sides of expansion joint, it is similar with the first displacement case 121 and second displacement case 122, along joist 12
Length direction, each elastic connection plate 19 for being located along the same line corresponds to two elastic displacement casees 192, and when having multigroup position
When elastic connection plate 19 on same straight line, then elastic displacement case 192 also has multiple.
In the present embodiment, generally each elastic connection plate 19 is respectively positioned at joist 12, i.e. the first displacement case 121 and
Nearby be correspondingly arranged on an elastic displacement case 192 at second displacement case 122, engineering in practice, the first displacement case 121 and the
Two displacement casees 122 and the separable arrangement of 192 direction across bridge of elastic displacement case, i.e., elastic displacement case 19 can be laid and two first displacement casees
Among 121.
Further, two gusset plates 135 along the length direction of joist 12 and positioned at outside pass through " elastic connection hinge "
193 is hinged with corresponding two elastic displacement casees 192, to make the elastic displacement control system tool being made of elastic connection plate 19
There is the adaptability to vertical corner, to make telescopic device that there is the adaptability to multidirectional displacement.
Optimize above-described embodiment, each elastic connection plate 19 with and its close joist 12 it is contour.When outer force effect joist 12
When rotation, the elastic displacement control system being made 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 a kind of bridge, including two abutments and at least one
A beam body 3 forms expansion joint 2 between two adjacent beam bodies 3 or between beam body 3 and abutment, bridge further includes at least one
A above-mentioned telescopic device 1, two side bars 11 of each telescopic device 1 are located at the both sides at the expansion joint 2, specially flexible
Two side bars 11 of device 1 be respectively arranged in two adjacent beam bodies 3 or be respectively arranged in a wherein abutment and with this
In the adjacent beam body 3 of abutment, while sliding bearing 16 and fixed steel is also respectively adopted in two ends of each joist 12
Tumbler bearing 15 is fixed in two adjacent beam bodies 3 or is respectively arranged in a wherein abutment and the beam body adjacent with the abutment
On 3.The present embodiment can not only meet the deformation requirements at corresponding expansion joint 2 by the telescopic device 1 of this structure, can be row
Vehicle provides continuous traffic loading end, and has preferable water resistance, and disclosure satisfy that 2 multi-directional deflection requirement of expansion joint.
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
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (20)
1. a kind of modular expansion device includes two side bars positioned at expansion joint both sides, two side bars are oppositely arranged,
It is characterized in that：Further include at least one central sill and across the expansion joint and being located between being set in turn in two side bars
Joist below the central sill, each side bar and each central sill are supported and are installed on the joist, the joist
Sliding bearing is respectively adopted in both ends and stationary balls bearing is fixed on the both sides at the expansion joint, each central sill with
It is all made of waterproof adhesive tape between the side bar or another central sill of its face to connect, two above and below the joist fixing end
Side is installed with the stationary balls bearing, and the joist movable end includes a sliding pressure being located above the joist
Tight bearing and a sliding bearing below the joist, the sliding compressing support and the sliding pressure-bearing branch
Seating face has polytetrafluoroethylene (PTFE) slide plate, each polytetrafluoroethylene (PTFE) slide plate to be slidably contacted the surfaces with joist.
2. modular expansion device as described in claim 1, it is characterised in that：Length of the waterproof adhesive tape along the joist
Direction is bent successively, and its both ends is fitted and connected with the corresponding side bar or corresponding central sill top plate lower surface respectively.
3. modular expansion device as described in claim 1, it is characterised in that：Each side bar all has to described in correspondence
The two relative side of horizontal-extending first slide plate of central sill, each central sill all has horizontal-extending second slide plate, each
It is partly overlapped between second slide plate and corresponding first slide plate or corresponding second slide plate, and each described
One slide plate is respectively positioned on the underface of the corresponding waterproof adhesive tape with each second slide plate.
4. modular expansion device as claimed in claim 2, it is characterised in that：The side bar and the central sill top plate lower edge
Also be both provided with L-type plate, each L-type plate with the U-shaped of opening upwards is formed between the corresponding side bar or the central sill
Two ends of slot, the waterproof adhesive tape are clamped in respectively in corresponding two U-type grooves.
5. modular expansion device as described in claim 1, it is characterised in that：The central sill include the web that is vertically arranged with
And horizontally disposed bottom plate, the web is installed on the bottom plate, and the bottom plate is connected and fixed on institute by bearing
It states on joist.
6. modular expansion device as claimed in claim 5, it is characterised in that：The bottom plate of the central sill is fixed with gate-type and hangs
Frame, each central sill bottom plate by one sliding bearing be supported on the joist, the joist with it is each described
It is respectively provided between gallows frame there are one compressing support is slided, each gallows frame will be corresponding described by moving screw
Sliding bearing is fixed with the corresponding sliding compressing support precompressed.
7. modular expansion device as claimed in claim 6, it is characterised in that：Each moving screw upper end with it is corresponding described in
Bottom plate welds, and lower end then passes through force transmission beam and passes through nut check between the two.
8. modular expansion device as claimed in claim 5, it is characterised in that：The sliding bearing is solid by limited block
Due to the central sill bottom plate, there is the first link slot, the joist to run through and block below the sliding bearing for lower end
Tight first link slot.
9. modular expansion device as claimed in claim 5, it is characterised in that：The sliding compressing support is located at the joist
There is the second link slot with the joist clamping, the joist to compress branch from the sliding for lower section, the sliding compressing support
Seat top run through and clamping described in the second link slot.
10. modular expansion device as described in claim 1, it is characterised in that：Further include being embedded in the expansion joint respectively
Two ends of the first displacement case in the concrete of both sides and second displacement case, the joist are respectively protruding into described first
It moves in case and the second displacement case.
11. modular expansion device as claimed in claim 10, it is characterised in that：The second displacement case is in bell mouth shape,
And along the direction bore flaring shape far from the expansion joint.
12. modular expansion device as claimed in claim 10, it is characterised in that：The first displacement case and the second
It moves on the outside of case and is respectively and fixedly provided with anchoring blind rivet, and each displacement case is fixed on expansion joint both sides by the anchoring blind rivet and mixes
In solidifying soil.
13. modular expansion device as described in claim 1, it is characterised in that：It is welded on the outside of the side bar
Anchor tie plate, be welded with below anchor tie plate it is circumferential be closed anchor bar, and each side bar by the anchor tie plate with
Circumferential direction is closed anchor bar and is fixed in the concrete of expansion joint both sides.
14. modular expansion device as claimed in claim 13, it is characterised in that：In the expansion joint both sides concrete also
It is embedded with gantry type reinforcing bar respectively, the gantry type reinforcing bar is to extension below the anchor tie plate of respective side and welds between the two
It connects.
15. modular expansion device as described in claim 1, it is characterised in that：In the lower section of each side bar and often
The lower section of one central sill is also vertically fixed gusset plate, each gusset plate and the joist stagger setting, and adjacent two
Between a gusset plate by can horizontal extension elastic connection plate connect.
16. modular expansion device as claimed in claim 15, it is characterised in that：The elastic connection plate is bent into opposite set
Two shrapnel parts set, two shrapnels are enclosed arch horizontally toward, and bear against in the two neighboring section
In contact plate.
17. modular expansion device as claimed in claim 15, it is characterised in that：Have between the two neighboring gusset plate
Multiple elastic connection plates are oppositely arranged or are disposed opposite to each other between adjacent two elastic connection plates.
18. modular expansion device as claimed in claim 15, it is characterised in that：Further include being embedded in the expansion joint respectively
At least two elastic displacement casees in the concrete of both sides are located at two gusset plates in outside along the length direction of the joist
It is hinged with the corresponding two elastic displacement casees respectively.
19. modular expansion device as claimed in claim 18, it is characterised in that：It is described corresponding to the two side bar bottoms
Elastic connection plate is cut with scissors by elastic connection and is connect with the elastic displacement case, and each elastic connection plate is with the joist etc.
It is high.
20. a kind of bridge, including two abutments and at least one beam body, it is characterised in that：It further include at least one such as right
It is required that 1-19 any one of them modular expansion devices, each side bar of each modular expansion device is installed on
On wherein one abutment or wherein one beam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727198.2A CN106320169B (en) | 2016-08-25 | 2016-08-25 | Modular expansion device and bridge |
Applications Claiming Priority (1)
| 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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| Publication Number | Publication Date |
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| CN106320169A CN106320169A (en) | 2017-01-11 |
| CN106320169B true 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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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221653B (en) * | 2017-04-21 | 2023-07-18 | 中国五冶集团有限公司 | Connecting device capable of being deformed in telescopic mode and processing method |
| 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 |
| 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 |
| CN107130515B (en) * | 2017-07-11 | 2023-04-25 | 双盛交通科技有限公司 | Large-span impact-resistant multidirectional displacement comb-shaped plate type bridge expansion device |
| CN107190642A (en) * | 2017-07-27 | 2017-09-22 | 单国珠 | A kind of integrated-reinforcing modulus type multi-directional deflection retractor 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 |
| 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 |
| 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 |
| CN111119038B (en) * | 2019-12-30 | 2021-12-03 | 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 |
| CN111676811B (en) * | 2020-05-26 | 2021-11-23 | 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2221050Y (en) * | 1995-04-25 | 1996-02-28 | 衡水橡胶股份有限公司 | Bridge extension seem device |
| JP4052560B2 (en) * | 2002-07-03 | 2008-02-27 | 川口金属工業株式会社 | Middle beam deviation prevention device for bridge joint |
| CN202466400U (en) * | 2012-03-14 | 2012-10-03 | 衡水中铁建布朗科技有限公司 | Modulus-type profile steel telescoping device |
| CN105256718B (en) * | 2015-10-28 | 2016-09-21 | 中铁第四勘察设计院集团有限公司 | Modularity multi-directional deflection retractor device and bridge |
| CN205188806U (en) * | 2015-11-28 | 2016-04-27 | 河北建业工程橡胶有限公司 | Modulus formula telescoping device |
| CN105887672B (en) * | 2016-06-17 | 2018-06-26 | 中铁第四勘察设计院集团有限公司 | Telescopic device with arcuate resilient connection |
-
2016
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