CN207419249U - A kind of buffer-type bridge extension joint based on bridge security performance - Google Patents
A kind of buffer-type bridge extension joint based on bridge security performance Download PDFInfo
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- CN207419249U CN207419249U CN201721148089.1U CN201721148089U CN207419249U CN 207419249 U CN207419249 U CN 207419249U CN 201721148089 U CN201721148089 U CN 201721148089U CN 207419249 U CN207419249 U CN 207419249U
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- bridge
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- bearing
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Abstract
The utility model discloses a kind of buffer-type bridge extension joints based on bridge security performance,Its structure includes preposition installing plate,Preceding portal frame,Right support cross bar,Support vertical pole,Top connecting bar,Right crash bar,Left support cross bar,Left crash bar,Rear axle door frame,Postposition installing plate,Central sill,First Z-shape steel,Flexible chain,Bearing base,Junction steel plate,Second Z-shape steel,Rinforcement bar bridge floor,Real-time monitor,Flexible chain is equipped with roller bearing,Castor,Item is fixedly mounted,Embedded slider bar,Hinges,A kind of buffer-type bridge extension joint based on bridge security performance of the utility model,Pass through the flexible chain being equipped with,Mechanical energy can be converted into centrifugal force when telescopic device is subject to the powerful active force of bridge,Flexible chain is made constantly to be rotated,The active force that bridge is subject to reduces,Telescopic device is made not damage,Bridge can be protected always.
Description
Technical field
The utility model is a kind of buffer-type bridge extension joint based on bridge security performance, belongs to bridge extension joint
Field.
Background technology
Bridge expanssion joint：The requirement for meeting bridge floor deformation is referred to, usually between two beam-ends, between beam-ends and abutment
Or expansion joint is set in the articulated position of bridge.It, can be from it is required that expansion joint is in both directions parallel, perpendicular to bridge axes
It is solid and reliable by stretching, it should be smoothed out when vehicle is run over, without kick and noise；It can prevent rainwater and rubbish soil from penetrating into resistance
Plug；Installation, check, maintenance, eliminate dirt will simple and convenient.It is setting at expansion joint, railing will break with deck paving
It opens.
Prior art discloses Application No.：201520986093.X a kind of buffer-type bridge extension joint, including bridge
Beam concrete structure and buffer-type bridge extension joint, the buffer-type bridge extension joint include expansion plate, two groups of brackets
And several anchoring assemblies being correspondingly arranged with bracket, one side end of expansion plate connect with corresponding bracket top inner side and fix, peace
Expansion plate on the two groups of brackets structure that is serrated is interspersed, and anchoring assembly is arranged on bracket back side and its both ends is distinguished
Fixation is connected with the top of bracket and bottom, the expansion plate is arranged on the connection of two bridge concrete structures by bracket
Place, the prefabricated longitudinal embedded ribs in bridge concrete inside configuration and anchoring assembly with bridge concrete structure of anchoring assembly and
Telescopic device is fixed on abutment and girder by horizontal embedded ribs welding, prior art people, when generation strenuous vibration or strong
During big pressure, bear the limit more than telescopic device and will disconnect, telescopic device is made to lose effect, the safety of bridge is on the hazard.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of buffering based on bridge security performance
Telescopic device is fixed on abutment on girder, being shaken when generation is violent by type bridge extension joint with the prior art people of solution
During dynamic or powerful pressure, bear the limit more than telescopic device and will disconnect, telescopic device is made to lose effect, the safety of bridge by
To the problem of threat.
To achieve these goals, the utility model is to realize by the following technical solutions：One kind is pacified based on bridge
The buffer-type bridge extension joint of full performance, structure include preposition installing plate, preceding portal frame, right support cross bar, support vertical pole,
Top connecting bar, right crash bar, left crash bar, rear axle door frame, postposition installing plate, central sill, the first Z-shape steel, are stretched left support cross bar
Contracting chain, bearing base, junction steel plate, the second Z-shape steel, rinforcement bar bridge floor, real-time monitor：
The preposition installing plate is horizontally fixed on the right side of rinforcement bar bridge floor, and the postposition installing plate is welded on rinforcement bar bridge
The left side in face, the preposition installing plate, rinforcement bar bridge floor, postposition installing plate are on same straight line, and the support vertical pole is set
There are two above and be respectively perpendicular the upper surface for being welded on rinforcement bar bridge floor left and right ends, the right support cross bar passes through rivet
The top of Right side support vertical pole is fixed on, the left support cross bar nail is connected to the top of Left-side support vertical pole, the left support
Cross bar is parallel to each other with right support cross bar and parallel with rinforcement bar bridge floor, the top connecting bar be equipped with it is more than two and
The centre of left support cross bar and right support cross bar is welded on, the preceding portal frame is in 45 ° of lower right corner for being welded on right support cross bar,
The rear axle door frame is in 45 ° of lower left corners for being welded on right support cross bar, and the rear axle door frame passes through rinforcement bar bridge with preceding portal frame
Face is mutually symmetrical with, and the central sill is fixed by screws in the bottom of rinforcement bar bridge floor, and the real-time monitor is embedded in preceding portal frame
The lower right corner on surface, right end and the central sill hinge connection of the flexible chain, first Z-shape steel are installed in the second Z-shape steel
The top of flexible chain, first Z-shape steel are connected with the second Z-shape steel by junction steel plate, there are two the bearing base is set
The bottom of the first Z-shape steel and the second Z-shape steel is fixed by screws in above and respectively, the flexible chain is movably connected in first
The bottom of Z-shape steel and the second Z-shape steel and the inside for being installed in bearing base；
The flexible chain is equipped with roller bearing, castor, item, embedded slider bar, hinges is fixedly mounted, described embedded
Slider bar is embedded in the inside of hinges, it is described be fixedly mounted item be installed in hinges top and with embedded slider bar
Weld together, the roller bearing sets there are two and is hinged on the top that item is fixedly mounted, and the castor is nested in son
The outer surface of bearing, the hinges are flexibly connected by castor with the first Z-shape steel with the second Z-shape steel.
Further, first Z-shape steel is equipped with pressure-bearing steel plate, decompression gap, support fixation steel plate, fitting steel plate.
Further, the pressure-bearing steel plate is vertically welded in the upper top of support fixation steel plate, and the decompression gap is installed
Integrally change structure in the lower section of pressure-bearing steel plate and with support fixation steel plate, the fitting steel plate is welded on support fixation steel plate
Left side, support fixation steel plate and the pressure-bearing steel plate are parallel to each other, and the bottom for being bonded steel plate is flexibly connected with flexible chain.
Further, the bearing base be equipped with the first location hole, upper receiving plate, the second location hole, elastomeric spring, under hold
Pressing plate.
Further, the upper receiving plate is welded on the lower section of the first Z-shape steel, first location hole and the second location hole
Both pass through the upper surface of receiving plate, second location hole and the first location hole are parallel to each other and in same level
On, one end of the elastomeric spring is connected with the bottom of upper receiving plate, the other end of the elastomeric spring and lower bearing plate
Upper surface is connected.
Further, the junction steel plate is equipped with the first positioning spiro pit, engaging plate, the second positioning spiro pit, is seated plate.
Further, the engaging plate fits with support fixation steel plate, and first positioning spiro pit is set there are two simultaneously
And the upper surface of engaging plate is equidistantly evenly distributed in, the plate that is seated sets there are five and follows closely the right side table for being connected to engaging plate
Face, second positioning spiro pit are arranged at the upper surface for being seated plate.
Further, the real-time monitor is equipped with the second acquisition module, the first acquisition module, displacement module, acceleration
Module, wind speed module, rainfall module, corrosion module, tilt module, the real-time monitor are unknown asking in science of bridge building
Topic and the research of super-long span bridges provide new opportunity, and the information obtained with its environment by the bridge structure in operation is not
Only it is the supplement of theoretical research and laboratory investigation, can also provides that related structure row is and environment rule is most really letter
Breath, therefore, bridge health monitoring are more than traditional bridge machinery and add structural appraisal new technology, and have been assigned structure control with
The meaning of three aspect of assessment, design verification and research and development.
Further, second acquisition module is installed in the lower section of the first acquisition module, and first acquisition module is set
There are displacement module, acceleration module, the acceleration module is mounted on the lower section of displacement module, and second acquisition module is equipped with
Wind speed module, rainfall module, corrosion module, tilt module, the wind speed module are mounted on the lower section of acceleration module, the rain
The lower section that module is arranged on wind speed module is measured, the corrosion module is horizontally fixed on the lower section of rainfall module, the tilt module patch
It closes in the lower section of corrosion module.
Advantageous effect
A kind of buffer-type bridge extension joint based on bridge security performance of the utility model, when in use, people will
One end of flexible chain tightly welds together with central sill left and right ends, and the other end of flexible chain is fixed together with abutment, when
When having a large amount of vehicles to pass through, rinforcement bar bridge floor is subject to huge pressure, and the elastomeric spring in bearing base can play certain slow
Punching acts on, and flexible chain can be pullled, and castor can move in a circle along the first Z-shape steel and the second Z-shape steel, make hinges
It constantly rotates, pulls power conversion in centrifugation rotatory force by what flexible chain was subject to, be protected flexible chain, will not be broken, make bridge
What beam consolidated supports, and by the flexible chain being equipped with, can turn mechanical energy when telescopic device is subject to the powerful active force of bridge
Centrifugal force is turned to, flexible chain is made constantly to be rotated, the active force that bridge is subject to reduces, and telescopic device is made not damage, bridge
Beam can be protected always.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structure diagram of the buffer-type bridge extension joint based on bridge security performance of the utility model；
Fig. 2 is a kind of knot of the buffer-type bridge extension joint B structure amplification based on bridge security performance of the utility model
Structure schematic diagram；
Fig. 3 is a kind of knot of the buffer-type bridge extension joint A structures amplification based on bridge security performance of the utility model
Structure schematic diagram；
Fig. 4 is that a kind of the stretch structure of chain of buffer-type bridge extension joint based on bridge security performance of the utility model is shown
It is intended to；
Fig. 5 is a kind of knot of the first Z-shape steel of buffer-type bridge extension joint based on bridge security performance of the utility model
Structure schematic diagram；
Fig. 6 is a kind of structure of the buffer-type bridge extension joint bearing base based on bridge security performance of the utility model
Schematic diagram；
Fig. 7 is a kind of structure of the buffer-type bridge extension joint junction steel plate based on bridge security performance of the utility model
Schematic diagram；
Fig. 8 is a kind of knot of the buffer-type bridge extension joint real-time monitor based on bridge security performance of the utility model
Structure schematic diagram；
Fig. 9 is a kind of buffer-type bridge extension joint real-time monitor work based on bridge security performance of the utility model
The structure diagram of principle；
In figure：Preposition installing plate -1, preceding portal frame -2, right support cross bar -3, support vertical pole -4, top connecting bar -5, the right side
Crash bar -6, left support cross bar -7, left crash bar -8, rear axle door frame -9, postposition installing plate -10, central sill -11, the first Z-shape steel -
12nd, stretch chain -13, bearing base -14, junction steel plate -15, the second Z-shape steel -16, rinforcement bar bridge floor -17, real-time monitor -
18th, pressure-bearing steel plate -1201, decompression gap -1202, support fixation steel plate -1203, fitting steel plate -1204, roller bearing -1301,
Castor -1302, be fixedly mounted item -1303, embedded slider bar -1304, hinges -1305, the first location hole -1401, on
Receiving plate -1402, the second location hole -1403, elastomeric spring -1404, lower bearing plate -1405, the first positioning spiro pit -1501,
Engaging plate -1502, the second positioning spiro pit -1503, be seated plate -1504, the second acquisition module -1801, the first acquisition module -
1802nd, displacement module -1803, acceleration module -1804, wind speed module -1805, rainfall module -1806, corrosion module -1807,
Tilt module -1808.
Specific embodiment
Technical means, creative features, achievable purpose and effectiveness to realize the utility model are easy to understand, below
With reference to specific embodiment, the utility model is expanded on further.
Embodiment one
- Fig. 9 is please referred to Fig.1, the utility model provides a kind of buffer-type bridge extension joint based on bridge security performance
Technical solution：A kind of buffer-type bridge extension joint based on bridge security performance, structure include preposition installing plate 1, preceding bridge
Door frame 2, right support cross bar 3, support vertical pole 4, top connecting bar 5, right crash bar 6, left support cross bar 7, left crash bar 8, rear axle
Door frame 9, postposition installing plate 10, central sill 11, the first Z-shape steel 12, flexible chain 13, bearing base 14, junction steel plate 15, the second Z-type
Steel 16, rinforcement bar bridge floor 17, real-time monitor 18：
The preposition installing plate 1 is horizontally fixed on the right side of rinforcement bar bridge floor 17, and the postposition installing plate 10, which is welded on, to be added
Gu the left side of muscle bridge floor 17, the preposition installing plate 1, rinforcement bar bridge floor 17, postposition installing plate 10 are on same straight line, institute
Support vertical pole 4 is stated to be equipped with two or more and be respectively perpendicular the upper surface for being welded on 17 left and right ends of rinforcement bar bridge floor, the right side
Support rail 3 is fixed on the top of Right side support vertical pole 4 by rivet, and the nail of left support cross bar 7 is connected to Left-side support and indulges
The top of bar 4, the left support cross bar 7 is parallel to each other with right support cross bar 3 and parallel with rinforcement bar bridge floor 17, the top
Portion's connecting rod 5 is equipped with more than two and is welded on the centre of left support cross bar 7 and right support cross bar 3, and the preceding portal frame 2 is in
45 ° of lower right corner for being welded on right support cross bar 3, the rear axle door frame 9 is in 45 ° of lower left corners for being welded on right support cross bar 3, described
Rear axle door frame 9 is mutually symmetrical with by rinforcement bar bridge floor 17 with preceding portal frame 2, and the central sill 11 is fixed by screws in rinforcement bar bridge
The bottom in face 17, the real-time monitor 18 are embedded in the lower right corner on preceding 2 surface of portal frame, the right end and central sill of the flexible chain 13
11 hinge connections, 12 and second Z-shape steel 16 of the first Z-shape steel are installed in the top of flexible chain 13, first Z-shape steel 12
It is connected with the second Z-shape steel 16 by junction steel plate 15, the bearing base 14 is equipped with two or more and passes through screw respectively
The bottom of the first Z-shape steel 12 and the second Z-shape steel 16 is fixed on, the flexible chain 13 is movably connected in the first Z-shape steel 12 and the 2nd Z
The bottom of shaped steel 16 and the inside for being installed in bearing base 14；
The flexible chain 13 is equipped with roller bearing 1301, castor 1302, item 1303, embedded slider bar is fixedly mounted
1304th, hinges 1305, the embedded slider bar 1304 are embedded in the inside of hinges 1305, the fixed installation item
1303 are installed in the top of hinges 1305 and weld together with embedded slider bar 1304, and the roller bearing 1301 is set
There are two and be hinged on the top of item 1303 be fixedly mounted, the castor 1302 is nested in the outer surface of sub- bearing 1301,
The hinges 1305 are flexibly connected by castor 1302 with the first Z-shape steel 12 with the second Z-shape steel 16, first Z-type
Steel 12 is equipped with pressure-bearing steel plate 1201, decompression gap 1202, support fixation steel plate 1203, fitting steel plate 1204, the pressure-bearing steel plate
1201 are vertically welded in the upper top of support fixation steel plate 1203, and the decompression gap 1202 is installed under pressure-bearing steel plate 1201
Just and with supporting 1203 integralization structure of fixation steel plate, the fitting steel plate 1204 is welded on support fixation steel plate 1203
Left side, the support fixation steel plate 1203 and pressure-bearing steel plate 1201 are parallel to each other, and the bottom of the fitting steel plate 1204 is with stretching
Chain 13 is flexibly connected, and the bearing base 14 is equipped with the first location hole 1401, upper receiving plate 1402, the second location hole 1403, bullet
Property spring 1404, lower bearing plate 1405, the upper receiving plate 1402 is welded on the lower section of the first Z-shape steel 12, first positioning
1401 and second location hole 1403 of hole both passes through the upper surface of receiving plate 1402, and second location hole 1403 and first positions
Hole 1401 is parallel to each other and in same level, one end of the elastomeric spring 1404 and the bottom of upper receiving plate 1402
It is connected, the other end of the elastomeric spring 1404 is connected with the upper surface of lower bearing plate 1405, and the junction steel plate 15 is set
There are the first positioning spiro pit 1501, engaging plate 1502, the second positioning spiro pit 1503, be seated plate 1504, the engaging plate 1502
It fits with support fixation steel plate 1203, first positioning spiro pit 1501 sets there are two and is equidistantly evenly distributed in and nibbles
The upper surface of plywood 1502, the plate 1504 that is seated sets there are five and follows closely the right lateral surface for being connected to engaging plate 1502, described
Second positioning spiro pit 1503 is arranged at the upper surface for being seated plate 1504, and the real-time monitor 18 is equipped with the second acquisition mould
Block 1801, the first acquisition module 1802, displacement module 1803, acceleration module 1804, wind speed module 1805, rainfall module
1806th, module 1807, tilt module 1808 are corroded, the real-time monitor 18 is the unknown problem and super large in science of bridge building
The research of span bridge provides new opportunity, and the information obtained by the bridge structure in operation and its environment is not only theory
Research and the supplement of laboratory investigation, can also provide that related structure row is and environment rule is most really information, therefore, bridge
Beam health monitoring is more than traditional bridge machinery and adds structural appraisal new technology, and has been assigned structure control and assessment, design
The meaning of three aspect of verification and research and development, second acquisition module 1801 are installed under the first acquisition module 1802
Side, first acquisition module 1802 are equipped with displacement module 1803, acceleration module 1804, and the acceleration module 1804 is installed
In the lower section of displacement module 1803, second acquisition module 1801 is equipped with wind speed module 1805, rainfall module 1806, corrosion mode
Block 1807, tilt module 1808, the wind speed module 1805 are mounted on the lower section of acceleration module 1804, the rainfall module
1806 are arranged on the lower section of wind speed module 1805, and the corrosion module 1807 is horizontally fixed on the lower section of rainfall module 1806, described
Tilt module 1808 is fitted in the lower section of corrosion module 1807.
When in use, people tightly weld together one end of flexible chain 13 and 11 left and right ends of central sill, by flexible chain
13 other end is fixed together with abutment, and when there is a large amount of vehicles to pass through, rinforcement bar bridge floor 17 is subject to huge pressure, pressure-bearing
Elastomeric spring 1404 in pedestal 14 can play certain cushioning effect, and flexible chain 13 can be pullled, and castor 1302 can edge
It the first Z-shape steel 12 to move in a circle with the second Z-shape steel 16, hinges 1305 is made constantly to rotate, flexible chain 13 is subject to
Power conversion is pullled in centrifugation rotatory force, flexible chain 13 is protected, will not be broken, makes what bridge consolidated to support.
The preposition installing plate 1 of the utility model, preceding portal frame 2, right support cross bar 3, support vertical pole 4, top connecting bar 5,
Right crash bar 6, left support cross bar 7, rear axle door frame 9, postposition installing plate 10, central sill 11, the first Z-shape steel 12, are stretched left crash bar 8
Contracting chain 13, bearing base 14, junction steel plate 15, the second Z-shape steel 16, rinforcement bar bridge floor 17, real-time monitor 18, pressure-bearing steel plate
1201st, gap 1202, support fixation steel plate 1203, fitting steel plate 1204, roller bearing 1301, castor 1302, fixation are depressurized
Mounting bar 1303, embedded slider bar 1304, hinges 1305, the first location hole 1401, upper receiving plate 1402, the second location hole
1403rd, elastomeric spring 1404, lower bearing plate 1405, the first positioning spiro pit 1501, engaging plate 1502, the second positioning spiro pit
1503rd, plate 1504, the second acquisition module 1801, the first acquisition module 1802, displacement module 1803, acceleration module are seated
1804th, wind speed module 1805, rainfall module 1806, corrosion module 1807, tilt module 1808, component be universal standard part or
The component that those skilled in the art know, structure and principle all can be learnt or be passed through by technical manual for this technology personnel
Routine experiment method knows the utility model solves the problems, such as it is that telescopic device is fixed on abutment and girder by prior art people
On, when strenuous vibration or powerful pressure occurs, bear the limit more than telescopic device and will disconnect, telescopic device is made to lose effect
Fruit, the safety of bridge are on the hazard, and the utility model is combined with each other by above-mentioned component, can be by the flexible chain being equipped with
Telescopic device is subject to mechanical energy is converted into centrifugal force during the powerful active force of bridge, flexible chain is made constantly to be rotated, by bridge
The active force that beam is subject to reduces, and telescopic device is made not damage, bridge can be protected always, described in detail below:
The embedded slider bar 1304 is embedded in the inside of hinges 1305, and the fixed installation item 1303 is installed in work
It moves the top of hinge 1305 and welds together with embedded slider bar 1304, the roller bearing 1301 sets there are two and cuts with scissors
The top that item 1303 is fixedly mounted is connected on, the castor 1302 is nested in the outer surface of sub- bearing 1301, the hinges
1305 are flexibly connected by castor 1302 with the first Z-shape steel 12 with the second Z-shape steel 16.
Embodiment two
Please refer to Fig.1-Fig. 9, the real-time monitor 18 be equipped with the second acquisition module 1801, the first acquisition module 1802,
Displacement module 1803, acceleration module 1804, wind speed module 1805, rainfall module 1806, corrosion module 1807, tilt module
1808, the real-time monitor 18 provides new contract for the research of the unknown problem in science of bridge building and super-long span bridges
Machine, the information obtained by the bridge structure in operation and its environment are not only the supplement of theoretical research and laboratory investigation, also
It can provide that related structure row is and environment rule is most really information, therefore, bridge health monitoring is more than traditional bridge
Detection plus structural appraisal new technology, and have been assigned structure control and three aspect of assessment, design verification and research and development
Meaning, second acquisition module 1801 are installed in the lower section of the first acquisition module 1802, and first acquisition module 1802 is set
There are displacement module 1803, acceleration module 1804, the acceleration module 1804 is mounted on the lower section of displacement module 1803, described
Second acquisition module 1801 is equipped with wind speed module 1805, rainfall module 1806, corrosion module 1807, tilt module 1808, described
Wind speed module 1805 is mounted on the lower section of acceleration module 1804, and the rainfall module 1806 is arranged under wind speed module 1805
Side, the corrosion module 1807 are horizontally fixed on the lower section of rainfall module 1806, and the tilt module 1808 is fitted in corrosion mode
The lower section of block 1807.
The displacement module 1803 of the installing of real-time monitor 18, acceleration module 1804 can detect that rinforcement bar bridge floor 17 is got on the bus
Travel speed, recorded after overspeed of vehicle and be transferred to terminal-pair hypervelocity person and punished, prevent the caused thing that exceeds the speed limit
Therefore to the damage of bridge, wind speed module 1805, rainfall module 1806, corrosion module 1807, tilt module 1808 can detect in real time
The injury being subject to bridge is damaged to reach capacity to carry out closing after bridge long-time use and safeguards that roars of laughter can just continue to be open to traffic,
Not only the security industry of people is protected to protect the safety of bridge.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
1. a kind of buffer-type bridge extension joint based on bridge security performance, structure includes preposition installing plate（1）, preceding portal
Frame（2）, right support cross bar（3）, support vertical pole（4）, top connecting bar（5）, right crash bar（6）, left support cross bar（7）, Zuo Fang
Lance（8）, rear axle door frame（9）, postposition installing plate（10）, central sill（11）, the first Z-shape steel（12）, flexible chain（13）, bearing base
（14）, junction steel plate（15）, the second Z-shape steel（16）, rinforcement bar bridge floor（17）, real-time monitor（18）, it is characterised in that：
The preposition installing plate（1）It is horizontally fixed on rinforcement bar bridge floor（17）Right side, the postposition installing plate（10）It is welded on
Rinforcement bar bridge floor（17）Left side, the preposition installing plate（1）, rinforcement bar bridge floor（17）, postposition installing plate（10）It is in same
On straight line, the support vertical pole（4）Equipped with two or more and it is respectively perpendicular and is welded on rinforcement bar bridge floor（17）Left and right ends
Upper surface, the right support cross bar（3）Right side support vertical pole is fixed on by rivet（4）Top, the left support cross bar
（7）Nail is connected to Left-side support vertical pole（4）Top, the left support cross bar（7）With right support cross bar（3）It is parallel to each other and
With rinforcement bar bridge floor（17）It is parallel, the top connecting bar（5）Equipped with two or more and it is welded on left support cross bar（7）With
Right support cross bar（3）Centre, the preceding portal frame（2）Right support cross bar is welded in 45 °（3）The lower right corner, the rear axle
Door frame（9）Right support cross bar is welded in 45 °（3）The lower left corner, the rear axle door frame（9）With preceding portal frame（2）Pass through reinforcing
Muscle bridge floor（17）It is mutually symmetrical with, the central sill（11）It is fixed by screws in rinforcement bar bridge floor（17）Bottom, the real-time prison
Survey device（18）Embedded in preceding portal frame（2）The lower right corner on surface, the flexible chain（13）Right end and central sill（11）Hinge connection, institute
State the first Z-shape steel（12）With the second Z-shape steel（16）It is installed in flexible chain（13）Top, first Z-shape steel（12）With
Two Z-shape steels（16）Pass through junction steel plate（15）It is connected, the bearing base（14）Pass through equipped with two or more and respectively spiral shell
Nail is fixed on the first Z-shape steel（12）With the second Z-shape steel（16）Bottom, the flexible chain（13）It is movably connected in the first Z-shape steel
（12）With the second Z-shape steel（16）Bottom and be installed in bearing base（14）Inside；
The flexible chain（13）Equipped with roller bearing（1301）, castor（1302）, be fixedly mounted item（1303）, embedded slider bar
（1304）, hinges（1305）, the embedded slider bar（1304）It is embedded in hinges（1305）Inside, the fixation
Mounting bar（1303）It is installed in hinges（1305）Top and with embedded slider bar（1304）Weld together, the rolling
Sub- bearing（1301）If there are two and be hinged on fixed installation item（1303）Top, the castor（1302）It is nested in son
Bearing（1301）Outer surface, the hinges（1305）Pass through castor（1302）With the first Z-shape steel（12）With the second Z-type
Steel（16）Flexible connection.
2. a kind of buffer-type bridge extension joint based on bridge security performance according to claim 1, it is characterised in that：
First Z-shape steel（12）Equipped with pressure-bearing steel plate（1201）, decompression gap（1202）, support fixation steel plate（1203）, fitting steel
Plate（1204）.
3. a kind of buffer-type bridge extension joint based on bridge security performance according to claim 2, it is characterised in that：
The pressure-bearing steel plate（1201）It is vertically welded in support fixation steel plate（1203）Upper top, the decompression gap（1202）It installs
In pressure-bearing steel plate（1201）Lower section and with support fixation steel plate（1203）Integralization structure, the fitting steel plate（1204）
It is welded on support fixation steel plate（1203）Left side, the support fixation steel plate（1203）With pressure-bearing steel plate（1201）It is mutually equal
Row, the fitting steel plate（1204）Bottom and flexible chain（13）Flexible connection.
4. a kind of buffer-type bridge extension joint based on bridge security performance according to claim 1, it is characterised in that：
The bearing base（14）Equipped with the first location hole（1401）, upper receiving plate（1402）, the second location hole（1403）, elastomeric spring
（1404）, lower bearing plate（1405）.
5. a kind of buffer-type bridge extension joint based on bridge security performance according to claim 4, it is characterised in that：
The upper receiving plate（1402）It is welded on the first Z-shape steel（12）Lower section, first location hole（1401）With the second location hole
（1403）Both pass through receiving plate（1402）Upper surface, second location hole（1403）With the first location hole（1401）Mutually
It is parallel and in the same level, the elastomeric spring（1404）One end and upper receiving plate（1402）Bottom be connected
It connects, the elastomeric spring（1404）The other end and lower bearing plate（1405）Upper surface be connected.
6. a kind of buffer-type bridge extension joint based on bridge security performance according to claim 1, it is characterised in that：
The junction steel plate（15）Equipped with the first positioning spiro pit（1501）, engaging plate（1502）, the second positioning spiro pit（1503）, insert
Tight plate（1504）.
7. a kind of buffer-type bridge extension joint based on bridge security performance according to claim 6, it is characterised in that：
The engaging plate（1502）With supporting fixation steel plate（1203）It fits, first positioning spiro pit（1501）If there are two simultaneously
And equidistantly it is evenly distributed in engaging plate（1502）Upper surface, it is described to be seated plate（1504）If there are five and nail is connected to and nibbles
Plywood（1502）Right lateral surface, second positioning spiro pit（1503）It is arranged at and is seated plate（1504）Upper surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148089.1U CN207419249U (en) | 2017-09-08 | 2017-09-08 | A kind of buffer-type bridge extension joint based on bridge security performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721148089.1U CN207419249U (en) | 2017-09-08 | 2017-09-08 | A kind of buffer-type bridge extension joint based on bridge security performance |
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| Publication Number | Publication Date |
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| CN207419249U true CN207419249U (en) | 2018-05-29 |
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| CN201721148089.1U Expired - Fee Related CN207419249U (en) | 2017-09-08 | 2017-09-08 | A kind of buffer-type bridge extension joint based on bridge security performance |
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| CN (1) | CN207419249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681143A (en) * | 2020-12-18 | 2021-04-20 | 中国二十冶集团有限公司 | Construction method for temporarily fixing T-shaped beam of bridge deck |
-
2017
- 2017-09-08 CN CN201721148089.1U patent/CN207419249U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681143A (en) * | 2020-12-18 | 2021-04-20 | 中国二十冶集团有限公司 | Construction method for temporarily fixing T-shaped beam of bridge deck |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20190908 |