CN108824185A - A kind of bridge extension joint - Google Patents
A kind of bridge extension joint Download PDFInfo
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- CN108824185A CN108824185A CN201811093862.8A CN201811093862A CN108824185A CN 108824185 A CN108824185 A CN 108824185A CN 201811093862 A CN201811093862 A CN 201811093862A CN 108824185 A CN108824185 A CN 108824185A
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- plate
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- connect
- assembly
- telescopic component
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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
-
- 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
- E01D19/065—Joints having sliding plates
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
This application provides a kind of bridge extension joint, device includes:Movable telescopic component, fixed telescopic component, displacement box assembly, runner assembly and bush assembly, one end of movable telescopic component are connect with fixed telescopic component, and the other end is connect with displacement box assembly;Runner assembly is connect by trip and bolt with movable telescopic component;Bush assembly is arranged in the inside of displacement box assembly and connect with runner assembly.The component of the application, for minimum unit, is provided with protective cover plate and uses simply supported beam principle, anchor system therein is flexibly connected with road surface overlap joint component with 0.5 meter;Movable telescopic plate and runner assembly horizontally rotate around limited post;First support can do movement in a curve.Device provided by the present application generally pin-connected panel, it is compact-sized, succinct, can meet the needs of big displacement quantity, structure is complicated to solve the problems, such as existing apparatus, rotation is not flexible leads to connection connector is easily destroyed, telescopic device is higher by its normal use of road surface effect and manufacture, transport, installation are inconvenient.
Description
Technical field
This application involves bridge construction technical field more particularly to a kind of bridge extension joints.
Background technique
Bridge during construction and operation, will receive car load, bridge own material shrinkage and creep, foundation settlement,
The effects of wind load, causes bridge beam end to deform.Telescopic device is the key position in bridge member, is risen in realizing bridge function
Important function, be the requirement in order to meet bridge floor deformation, be generally arranged between two beam-ends, between beam-ends and abutment or bridge
In the articulated position of beam.Since telescopic device directly bears the percussion of wheel load, and it is exposed in natural environment for a long time,
It therefore is that bridge structure is most easy to damage and the part of more difficult maintenance, so the superiority and inferiority of telescopic device performance, directly influences driving
Safety and bridge road it is unimpeded.
Telescopic device in existing market has modularization multi-directional deflection fishback telescopic device, the device and common fishback
Bridge extension joint belongs to comb plate bridge expansion device, but more common fishback telescopic device has this in terms of technical performance
The innovation of matter, the main distinction be such product setting telescopic device and rigid body elastic component be suitable for bridge along bridge stretching to generation
Contracting variation and direction across bridge level angle influence, can satisfy bridge three direction displacement due to caused by temperature, wind-force, load,
Flexible and rotation can provide continuous traffic loading end for driving.
But a part of bridge extension joint can be overlapped with road surface, when bridge is by external force, can give bridge
Beam telescopic device applies the internal force of a part, telescopic device connector, the pre-buried anchoring piece of the prior art be easily destroyed, loosen,
Falling off causes whole device to fail.The loading end of telescopic device is the extension of beam-ends, to pass through pressure under external force
Compression deformation realizes angle change, and telescopic device rotates not flexible meeting so that the end of loading end is higher by road surface, to affect dress
The normal use set, and structure is complicated for the bridge extension joint of prior art offer, brings much to manufacture, transport, installation
Inconvenience.
Summary of the invention
This application provides a kind of bridge extension joints, and to solve existing apparatus, structure is complicated, rotation is not flexible causes to connect
Fitting is easily destroyed, and the end of telescopic device loading end is higher by road surface effect normal use and because structure is complicated to manufacture, fortune
The problem of defeated, installation is made troubles.Described device includes:Movable telescopic component, fixed telescopic component, displacement box assembly, rotation
Component and bush assembly, one end of the movable telescopic component are connect with the fixed telescopic component, the other end and the displacement
Box assembly connection;The runner assembly is connect with the movable telescopic component;Displacement box assembly is arranged in the bush assembly
It is internal and connect with the runner assembly.
Optionally, the movable telescopic component include movable telescopic plate and first support, the movable telescopic plate with it is described
First support is connected by trip.
Optionally, the fixed telescopic component includes fixed expansion plate and the first stainless steel plate, the fixed expansion plate with
The first stainless steel plate connection.
Optionally, the displacement box assembly includes limiting cover board, baffle, limited post, the second stainless steel plate and pedestal, described
The top surface of baffle is connect with the limit cover board, and bottom surface is connect with the pedestal, the top surface of the limited post and the limited cover
Plate connection, bottom surface pass through second stainless steel plate and connect with the pedestal.
Optionally, the runner assembly include second support and multi-directional deflection plate, it is described second support bottom surface with it is described
The connection of multi-directional deflection plate.
Optionally, the top and bottom of the multi-directional deflection plate are provided with tetrafluoro slide plate.
Optionally, the bush assembly includes bushing and third stainless steel plate, and the bushing is set on the limited post,
The bottom surface of the bushing is connect with the third stainless steel plate.
Optionally, it described second is supported on the multi-directional deflection plate and is uniformly arranged, the first support is arranged two neighboring
Between second support, first support is connected with second support.
Optionally, the bottom surface of first support is cylindrical surface, is offered and described first on the multi-directional deflection plate
The arc groove that support bottom surface matches, the tangent setting of the two.
The technical scheme provided by the application includes following advantageous effects:
This application provides a kind of bridge extension joint, device includes:Movable telescopic component, fixed telescopic component, displacement
Box assembly, runner assembly and bush assembly, one end of movable telescopic component are connect with fixed telescopic component, the other end and displacement box
Component connection;Runner assembly is connect by trip and bolt with movable telescopic component;Displacement box assembly is arranged in bush assembly
It is internal and connect with runner assembly.Bridge extension joint general structure design provided by the present application uses simply supported beam principle, can be with
Meets the needs of big displacement quantity;Anchor system is flexibly connected with road surface overlap joint component, and anchoring piece is survivable and falls off;Also design
There is protective cover plate, is not easy telescopic device by concrete destruction to which anchor system fails;Movable telescopic board group at road surface take
Relay part is horizontally rotated by the first support and multi-directional deflection plate by limited post, the lower arcuate surface and multi-directional deflection of the first support
The arc groove of plate is mutually matched, and the first support can do camber line fortune around rotary spacing pin in the groove of multi-directional deflection plate
It is dynamic, meet telescopic device under external force flexibly it is free it is vertical, horizontally rotate and horizontally and vertically form real when rotation
It now reverses, not will cause the vertical pressure of expansion plate causes expansion plate to be higher by road surface, to influence the normal use of device;Activity
Expansion plate and fixed expansion plate can reduce noise pollution caused by vehicle impact along bridge to the flexible gap of arrangement;The knot of the application
Structure is a unit design along 0.5 meter of direction across bridge width with movable telescopic plate, fixed expansion plate, and displacement box assembly minimum unit is wide
Degree is 0.5 meter, compact-sized, succinct, generally pin-connected panel, is readily produced, transports and installs.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of bridge extension joint provided by the embodiments of the present application.
Fig. 2 is the structural schematic diagram of movable telescopic component provided by the embodiments of the present application.
Fig. 3 is the structural schematic diagram of movable telescopic plate provided by the embodiments of the present application.
Fig. 4 is the structural schematic diagram of fixed telescopic component provided by the embodiments of the present application.
Fig. 5 is the structural schematic diagram of displacement box assembly provided by the embodiments of the present application.
Fig. 6 is the structural schematic diagram of multi-directional deflection plate provided by the embodiments of the present application.
Description of symbols:
1, movable telescopic component;11, movable telescopic plate;12, the first support;2, fixed telescopic component;21, fixed flexible
Plate;22, the first stainless steel plate;3, box assembly is conjugated;31, cover board is limited;32, baffle;33, limited post;34, the second stainless steel
Plate;35, pedestal;4, runner assembly;41, the second support;42, multi-directional deflection plate;5, bush assembly;51, bushing;52, third is not
Become rusty steel plate;6, splash guard;7, trip.
Specific embodiment
Illustratively, as shown in Figure 1, this application provides a kind of structural schematic diagrams of bridge extension joint, including:Activity
Telescopic component 1, fixed telescopic component 2, displacement box assembly 3, runner assembly 4 and bush assembly 5, one end of movable telescopic component 1
It is connect with fixed telescopic component 2, the other end is connect with displacement box assembly 3;Runner assembly 4 is connect with movable telescopic component 1;Bushing
Component 5 is arranged in the inside of displacement box assembly 3 and connect with runner assembly 4.
Optionally, illustratively, it is illustrated in figure 2 the structural schematic diagram of movable telescopic component 1 provided by the present application, activity
Telescopic component 1 includes movable telescopic plate 11 and the first support 12.Illustratively, as shown in figure 3, being the structure of movable telescopic plate 11
Schematic diagram, the bottom surface of 11 one end of movable telescopic plate have trip 7 to connect blind hole and are bolted through-hole, and the top surface of the first support 12 has
Trip 7 connects blind hole and threaded connection hole, and the trip 7 of the first support 12 of one end insertion of trip 7 connects blind hole, other end insertion
The trip 7 of movable telescopic plate 11 connects blind hole, and the top surface of the first support 12 and the bottom surface of movable telescopic plate 11 are closely connected, and bolt passes through
The threaded connection hole locking of 12 top surface of the first support is screwed into after bolt connection on movable telescopic plate 11.Movable box assembly is set
In in the mounting groove of active side beam-ends, is consolidated after concrete perfusion with the curb girder body, form firm anchor system.
Optionally, it is cuboid that the first support 12, which is upper surface, and bottom surface is the solid of semi-cylindrical, the first support
12 both ends protrusion is rotary spacing pin, and shape is cylindrical body, for connecting with the second support 41.
11 one end of movable telescopic plate is along bridge, to several U-shaped structures of arrangement, U-shaped structure is set in a manner of " bumps interval "
Set, fixed expansion plate 21 and several U-shaped structures of movable telescopic plate 11 interlock it is complementary be arranged, the suitable bridge between U-shaped structure is to gap
For gap of stretching.Along along bridge, to the flexible gap of arrangement, noise pollution caused by wheel impacts can be substantially reduced, peace and quiet are provided
Comfortable passage capacity.
Optionally, 11 one end of movable telescopic plate and fixed expansion plate 21 interlock complementary setting, the other end with limit cover board 31
Between be provided with road surface elastomer.Be arranged road surface elasticity the first purpose be limitation movable telescopic plate 11 in the horizontal direction and vertically
The scope of activities in direction avoids the displacement of movable telescopic plate 11 excessive, causes the destruction to whole device;The second purpose be because
For horizontally rotate and when vertical rotating all can road pavement elastomer form certain compression, play certain buffering and make
With.
Optionally, illustratively, as shown in figure 4, to fix the structural schematic diagram of telescopic component 2, fixed telescopic component 2 is wrapped
Fixed expansion plate 21 and the first stainless steel plate 22 are included, fixed expansion plate 21 is connect with the first stainless steel plate 22.Fixed expansion plate 21
Have with corresponding position on the first stainless steel plate 22 and several is bolted through-hole.Fixed expansion plate 21 and the first stainless steel plate 22 are installed
Concrete perfusion and bridge consolidate after good, form firm anchor system, the first stainless steel plate 22 plays one in this application
A effect for protecting fixed expansion plate 21, avoids fixed expansion plate 21 from directly contacting with concrete, is easily corroded, reduces its use
Service life.Bolt is L shape, and bending one end of bolt is protruded into the steel mesh inside bridge and is attached thereto, on the straightway of bolt
It is tightened across fixed expansion plate 21 and the first stainless steel plate 22 and with nut at end.
Optionally, illustratively, as shown in figure 5, being 3 structural schematic diagram of displacement box assembly provided by the present application, displacement box
Component 3 includes limit cover board 31, baffle 32, limited post 33, the second stainless steel plate 34 and pedestal 35, limits cover board 31 and baffle 32
Top contacts and is compacted, and 32 bottom of baffle is fixed with plane-welding on pedestal 35, insertion limit 31 bottom of cover board at the top of limited post 33
The Blind locating holes in portion, 33 bottom of limited post pass through the positioning through hole of the second stainless steel plate 34 insertion pedestal 35.
Displacement box assembly 3 is placed in active side beam-ends mounting groove, is consolidated after concrete perfusion with beam body.Pass through 32 He of baffle
Pedestal 35 implements protection to the installation place of displacement 3 side of box assembly and bottom respectively.After baffle 32 is used to prevent concrete perfusion,
Concrete enters inside telescopic device, telescopic device consolidation, so that overall structure fails.It limits cover board 31 and is used as displacement box group
The concrete of the top protection cover board of part 3, one end side and perfusion is closely connected, inside protection displacement box assembly 3 and convenient for disassembly and assembly, easily
It is supported in the daily dimension for realizing bridge extension joint.It conjugates box assembly 3 and beam body consolidates, installation place structural shielding measure is perfect, can
To provide effective protection to installation place structure, guarantee stability, the reliability of product installation, further ensures the flexible dress of bridge
The properties set operate normally.
Movable telescopic component 1 is connect after being positioned by limited post 33 with anchor system, and can be horizontal turn around limited post 33
It is dynamic.11 one end bottom of movable telescopic plate passes through the second support 41 and multidirectional change after connecting by trip 7, bolt with the first support 12
Position plate 42 is bolted.The road surface overlap joint component being made of movable telescopic plate 11 around limited post 33 by horizontally rotating and around rotation
Spacer pin vertical rotating is flexibly connected with anchor system composition, and structure passes through flexible free vertical rotating under external force
Performance and horizontally rotate performance and shed load, unfavorable internal force will not be generated.Can guarantee the globality of structure, stability not by
It destroys.
Optionally, illustratively, as shown in fig. 6, being the structural schematic diagram of runner assembly 4 provided by the present application, rotating group
Part 4 includes the second support 41 and multi-directional deflection plate 42, and the bottom surface of the second support 41 is connect with multi-directional deflection plate 42.Runner assembly 4
It is placed in inside displacement box assembly 3, is positioned by limited post 33, runner assembly 4 is rotated around limited post 33.Multi-directional deflection plate 42 is located at
The upper surface of second stainless steel plate 34, multi-directional deflection plate 42 is internally provided with rotary spacing hole, for fixing limited post 33
Position, 33 bottom of limited post pass through the positioning of the rotary spacing hole insertion pedestal 35 of the second stainless steel plate 34 and multi-directional deflection plate 42
Through-hole, the second support 41 is aligned with another side elevation of multi-directional deflection plate 42, and is locked by bolt.
Optionally, the top and bottom of multi-directional deflection plate 42 are provided with tetrafluoro slide plate.Tetrafluoro slide plate is respectively welded at more
To the top and bottom of displacement plate 42, low friction face is formed with third stainless steel plate 52 and the second stainless steel plate 34 respectively, is reduced
Frictional force of the multi-directional deflection plate 42 in sliding by a small margin with pedestal 35, limited post 33 and movable telescopic component 1, improves
The service life of single unit system.
Several second supports 41 are alternatively arranged placement in 42 upper surface of multi-directional deflection plate, and the second of 42 both ends of multi-directional deflection plate
Support 41 flushes completely with 42 both ends of the surface of multi-directional deflection plate, and the first support 12 is placed on adjacent two second centres for supporting 41, and two
Person is connected by rotary spacing finger setting, and the bottom surface of the first support 12 is recessed to open up on arc surface, with multi-directional deflection plate 42
Slot matches, the tangent placement of the two, allow first support 12 around rotary spacing pin in the groove of multi-directional deflection plate 42
Do movement in a curve.
Each components of runner assembly 4 are metal material, before vertical rotating freedom degree is set to multi-directional deflection plate 42
End horizontally rotates the rear end that freedom degree is set to multi-directional deflection plate 42, realizes separate front and back formula freedom degree rotational structure.Bridge exists
Under internal force, external force, uncertain vertical rotating can occur for beam body, horizontally rotate and vertical levels combination rotation, existing skill
Art or do not have rotational freedom or rotating property is extremely weak, realizes rotation especially by flexible material creep
Technology, not only performance is poor, it is easier to wear, tear.All-metal material may insure structure durability.Separate type multiple degrees of freedom turns
Dynamic structure, that is, rotational freedom setting position is independent, preposition vertical rotating mechanism, and postposition rotation mechanism in vertical shaft is realized flexible respectively
Rotation.Effect is clear, and rotation is flexible, stable structure, and durability is good.Torsion is realized when horizontal and vertical combination rotation.
Optionally, illustratively, as shown in Figure 1,51 component 5 of bushing includes bushing 51, stainless steel plate two, 51 component of bushing
5 include bushing 51 and third stainless steel plate 52, and bushing 51 is set on limited post 33, the bottom surface of bushing 51 and third stainless steel plate
52 connections, and firm welding.Bushing 51 is the annulus with 33 concentric co-axial of limited post, and diameter is slightly larger than the diameter of limited post 33,
Be set on limited post 33, to limited post 33 play the role of one protection, while with limited post 33 together support limit lid
The pressure that plate 31 is given plays a good load-bearing effect.Bushing 51 can be entire steel plate, can also be by several sheet metals
It is laminated.
Optionally, the second support 41 is uniformly arranged on multi-directional deflection plate 42, and the first support 12 is arranged in two neighboring institute
It states between the second support 41, by rotary spacing pin connection, rotary spacing pin is located at first for the first support 12 and the second support 41
It supports 12 beam-ends and is placed in the matching circular through hole being arranged in the second support 41, first effect is so that first
Support 12 can rotate around rotary spacing pin, second effect be so that the first support 12 by second support 41 power, Gu
Get up calmly, avoids the first support 12 and do not shaken arbitrarily according to the track of camber line.The bottom surface of first support 12 and multi-directional deflection
The groove of plate 42 matches, and forms a cambered surface, the tangent setting of the two, and the first support 12 can do camber line fortune along arc groove
It is dynamic, allow whole device displacement by a small margin can occur in face in the horizontal and vertical direction, be unlikely to when movable telescopic plate 11 by
It after pressure, sticks up, so that plane is higher than bridge face, can not restore to the original state, to influence the normal use of telescopic device.
Bridge extension joint overall structure provided by the present application is wide along direction across bridge with movable telescopic plate 11, fixed expansion plate 21
0.5 meter of degree is a unit design.Conjugating 3 minimum unit width of box assembly is 0.5 meter, can also be adjusted by 0.5 meter of multiple.
Multidirectional limit plate and limit cover board 31 are arranged according to the number of movable telescopic plate 11, more when movable telescopic plate 11 is one piece
It is also configured as one piece to limit plate and limit cover board 31, when movable telescopic plate 11 is that muti-piece splices, multidirectional limit plate and limit
31 same design of cover board is one piece, only needs to cooperate the number of movable telescopic plate 11 in size.
Bridge extension joint compact overall structure provided by the present application, succinctly, generally pin-connected panel, be readily produced, transport,
Installation.Minimum unit is only 0.5 meter wide, can integrate movable end cabinet by 0.5 meter of integral multiple according to requirements.Movable telescopic plate
11, fixed expansion plate 21 is all made of 0.5 meter of unit and is standardized production.Fission design is so that producing, transport, installing more
It is easy.
Runner assembly 4 is placed in inside displacement box assembly 3 in bridge extension joint provided by the present application, fixed by limited post 33
Position, runner assembly 4 are rotated around limited post 33.The U-shaped structure end of movable telescopic plate 11 is overlapped in the top of affixed side beam-ends, there is
One end of one support 12 is placed in inside displacement box assembly 3 by runner assembly 4, forms simple beam structure.Simple beam structure is stretched
The compression apparatus stroke scope of application is bigger, can satisfy super large displacement requirement.
Movable telescopic component 1 in bridge extension joint provided by the present application, fixed telescopic component 2, displacement box assembly 3,
Runner assembly 4 and bush assembly 5 are all metal material, according to the difference of application environment, it is also an option that low temperature resistant metal, weather-proof
Metal etc..Practicability, economy are high, whole all using metal material, the superior performances such as rigidity, intensity, durability, Ke Yiman
Sufficient bridge whole life design requirement.Product, the equal non-pollutant discharge of raw material, production process are predominantly machined, waste material can return
It receives and utilizes, also contamination-free generates use process.
Bridge extension joint provided by the present application further includes splash guard 6, and splash guard 6 is installed between beam-ends, is located at road surface
Earth system lower part, middle part are equipped with U-shaped diversion trench.U-shaped diversion trench is connect in engineering drainage system, realizes waterproof row
Water function avoids affecting bridge structure and surrounding enviroment.Waterproof performance is stable, reliable.The whole underlying installation of splash guard 6
Between beam-ends, it is ensured that function and service life are unaffected.
This application provides a kind of bridge extension joint, device includes:Movable telescopic component, fixed telescopic component, displacement
Box assembly, runner assembly and bush assembly, one end of movable telescopic component are connect with fixed telescopic component, the other end and displacement box
Component connection;Runner assembly is connect by trip and bolt with movable telescopic component;Displacement box assembly is arranged in bush assembly
It is internal and connect with runner assembly.Bridge extension joint general structure design provided by the present application uses simply supported beam principle, can be with
Meets the needs of big displacement quantity;Anchor system is flexibly connected with road surface overlap joint component, and anchoring piece is survivable and falls off;Also design
There is protective cover plate, is not easy telescopic device by concrete destruction to which anchor system fails;Movable telescopic board group at road surface take
Relay part is horizontally rotated by the first support and multi-directional deflection plate by limited post, the lower arcuate surface and multi-directional deflection of the first support
The arc groove of plate is mutually matched, and the first support can do camber line fortune around rotary spacing pin in the groove of multi-directional deflection plate
It is dynamic, meet telescopic device under external force flexibly it is free it is vertical, horizontally rotate and horizontally and vertically form real when rotation
It now reverses, not will cause the vertical pressure of expansion plate causes expansion plate to be higher by road surface, to influence the normal use of device;Activity
Expansion plate and fixed expansion plate can reduce noise pollution caused by vehicle impact along bridge to the flexible gap of arrangement;The knot of the application
Structure is a unit design along 0.5 meter of direction across bridge width with movable telescopic plate, fixed expansion plate, and displacement box assembly minimum unit is wide
Degree is 0.5 meter, compact-sized, succinct, generally pin-connected panel, is readily produced, transports and installs.
It should be noted that the relational terms of such as " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that including the article of a series of elements or equipment not only includes those elements, but also including not having
The other element being expressly recited, or further include for elements inherent to such a process, method, article, or device.Do not having
There is the element limited in the case where more limiting by sentence "including a ...", it is not excluded that in the mistake including the element
There is also other identical elements in journey, method, article or equipment.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
It should be understood that the application is not limited to the content for being described above and being shown in the accompanying drawings, and can
To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by the accompanying claims.
Claims (9)
1. a kind of bridge extension joint, which is characterized in that described device includes:Movable telescopic component (1), fixed telescopic component
(2), conjugate box assembly (3), runner assembly (4) and bush assembly (5), one end of the movable telescopic component (1) with it is described solid
Determine telescopic component (2) connection, the other end is connect with the displacement box assembly (3);The runner assembly (4) and the movable telescopic
Component (1) connection;Bush assembly (5) setting is conjugating the inside of box assembly (3) and is connecting with the runner assembly (4).
2. the apparatus according to claim 1, which is characterized in that the movable telescopic component (1) includes movable telescopic plate
(11) it is connect with first support (12) by trip (7) with the first support (12), the movable telescopic plate (11).
3. the apparatus according to claim 1, which is characterized in that the fixed telescopic component (2) includes fixed expansion plate
(21) it is connect with the first stainless steel plate (22), the fixed expansion plate (21) with first stainless steel plate (22).
4. the apparatus according to claim 1, which is characterized in that the displacement box assembly (3) includes limit cover board (31), gear
Plate (32), limited post (33), the second stainless steel plate (34) and pedestal (35), the top surface of the baffle (32) and the limit cover board
(31) it connects, bottom surface is connect with the pedestal (35), and the top surface of the limited post (33) is connect with the limit cover board (31), bottom
Face passes through second stainless steel plate (34) and connect with the pedestal (35).
5. the apparatus according to claim 1, which is characterized in that the runner assembly (4) includes that the second support is (41) and more
To displacement plate (42), the bottom surface of second support (41) is connect with the multi-directional deflection plate (42).
6. device according to claim 5, which is characterized in that the top and bottom of the multi-directional deflection plate (42) are respectively provided with
There is tetrafluoro slide plate.
7. the apparatus according to claim 1, which is characterized in that the bush assembly (5) include bushing (51) and third not
It becomes rusty steel plate (52), the bushing (51) is set on the limited post (33), and the bottom surface of the bushing (51) and the third are not
Rust steel plate (52) connection.
8. device according to claim 2 or 5, which is characterized in that second support (41) is in the multi-directional deflection plate
(42) it is uniformly arranged on, the first support (12) setting is between two neighboring second support (41), first support
(12) it is connect with second support (41).
9. device according to claim 8, which is characterized in that the bottom surface of first support (12) is cylindrical surface, described
The arc groove to match with first support (12) bottom surface, the tangent setting of the two are offered on multi-directional deflection plate (42).
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CN201811093862.8A CN108824185A (en) | 2018-09-19 | 2018-09-19 | A kind of bridge extension joint |
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CN201811093862.8A CN108824185A (en) | 2018-09-19 | 2018-09-19 | A kind of bridge extension joint |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111705641A (en) * | 2020-07-01 | 2020-09-25 | 西安华盾工程科技有限公司 | Bridge expansion device with horizontally-rotatable fixed end |
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KR20070075396A (en) * | 2007-06-25 | 2007-07-18 | 공혜선 | Expansion joint |
CN105568849A (en) * | 2015-12-17 | 2016-05-11 | 衡水橡胶股份有限公司 | Comb type bridge expansion device with adaption to multi-directional displacement |
CN105926432A (en) * | 2016-04-27 | 2016-09-07 | 陕西鸿博百川工程材料有限公司 | Standardized unit-type self-adaptive comb plate shaped expansion device and installation method thereof |
CN105951590A (en) * | 2016-07-01 | 2016-09-21 | 合肥国本桥梁特种构件有限公司 | Comb type bridge expansion and contraction device |
CN207484282U (en) * | 2017-11-21 | 2018-06-12 | 玛格巴(上海)桥梁构件有限公司 | A kind of comb teeth shape bridge extension joint of multi-directional deflection |
CN208965403U (en) * | 2018-09-19 | 2019-06-11 | 西安中交科技研究院有限公司 | A kind of bridge extension joint |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111705641A (en) * | 2020-07-01 | 2020-09-25 | 西安华盾工程科技有限公司 | Bridge expansion device with horizontally-rotatable fixed end |
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