CN106012821B - Bridge extension joint and its telescopic adjustment component - Google Patents
Bridge extension joint and its telescopic adjustment component Download PDFInfo
- Publication number
- CN106012821B CN106012821B CN201610549214.3A CN201610549214A CN106012821B CN 106012821 B CN106012821 B CN 106012821B CN 201610549214 A CN201610549214 A CN 201610549214A CN 106012821 B CN106012821 B CN 106012821B
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- China
- Prior art keywords
- supporting plate
- telescopic adjustment
- adjustment component
- buttress brace
- extensible canopy
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to bridge extension joint and its telescopic adjustment component, telescopic adjustment component includes the flexible back of the body, the upper end of the flexible back of the body is provided with the extensible canopy extended forward, the upper surface that telescopic adjustment component also includes extending backwards is used for the buttress brace coordinated with vehicle wheel rolling presses, and the front end of buttress brace is arranged on the flexible back of the body and/or extensible canopy.The buttress brace that the upper surface extended backwards is used to coordinate with vehicle wheel rolling presses is provided with the flexible back of the body and/or extensible canopy, so buttress brace and extensible canopy add the contact area of bridge extension joint and wheel together, so as to reduce impact pressure of the wheel to bridge extension joint, buttress brace is opposite with the bearing of trend of extensible canopy, it is then that too far, will not ensure the structural strength of buttress brace and extensible canopy to ensure the projecting end of buttress brace, extensible canopy apart from the distance of the flexible back of the body.
Description
Technical field
The present invention relates to a kind of bridge extension joint and its telescopic adjustment component.
Background technology
It is well known that in temperature change, the influence of creep and shrinkage of concrete, the differential settlement on basis, vehicular load
Under, bridge length can change, so that beam-ends is subjected to displacement, it is just required to adapt to this displacement and keeping driving to smooth out
Bridge expansion joint installation is set.As can be seen here, the effect of bridge expanssion joint, it is to adjust temperature change, vehicular load environment spy
Displacement between the superstructure sought peace caused by construction material physical property.In general, expansion joint should have preferable durability,
Driving comfort, property easy for construction, property easy to maintenance.
Existing bridge extension joint " telescopic adjustment component and its bridge of composition as disclosed in Chinese patent CN1464141A
Beam retractor device ", the patent document disclose a kind of i.e. a kind of bridge extension joint of bridge extension joint, including during two uses
The telescopic adjustment component i.e. telescopic adjustment component matched somebody with somebody to inserting, telescopic adjustment component include the flexible back of the body of arc plate structure, are hanging down
It is directly waveform in the cross sectional shape for the back of the body that stretched on above-below direction, the upper end side of the flexible back of the body is provided with extensible canopy, two neighboring
The corresponding extensible canopy for another telescopic adjustment component is formed between extensible canopy to inserting plug hole, flexible back end portion is projected with
Supporting plate, supporting plate and extensible canopy are respectively positioned at the both sides of the flexible back of the body.In use, between adjusting between two telescopic adjustment components
Away from, make one of telescopic adjustment component extensible canopy extend into another telescopic adjustment component reply plug hole in,
Then concrete is poured into a mould in the top of supporting plate, the fixation formed on supporting plate to telescopic adjustment component is pressed in after concrete curing.It is existing
This bridge extension joint having has problems in that：Fixing intensity and concrete between telescopic adjustment component and concrete
It is directly related with the compression joint area of supporting plate, it is only capable of setting supporting plate in the side of the flexible back of the body in the prior art, causes supporting plate and coagulation
The cooperation limited area of soil, when the extensible canopy of telescopic adjustment component receives wheel impacts, telescopic adjustment component can be with supporting plate side
The contact position of edge and concrete be fulcrum and before stick up or hind wing（The direction of motion of vehicle is fore-and-aft direction）That is vertical deflection, when
After telescopic adjustment component tilts, not only result in the destruction of concrete, and it is also possible to the tire of automobile is damaged and
Cause traffic accident；Further, since the finite surface area of extensible canopy, so whole telescopic boom device is impacted by the pressure of vehicle
Larger, the service life of telescopic boom device is not enough to be guaranteed, and the service life of existing telescopic boom device is only on 2 years left sides
The right side, telescopic boom device need to be just changed more than 2 years.
The content of the invention
It is an object of the invention to provide its a kind of telescopic adjustment component, with solve in the prior art telescopic adjustment component by
Impact pressure to vehicle is larger and the problem of service life is relatively low；It is a kind of flexible using this present invention also aims to provide
The bridge extension joint of adjustment means.
In order to solve the above problems, the technical scheme of telescopic adjustment component is in the present invention：
Telescopic adjustment component, including the flexible back of the body, the upper end of the flexible back of the body are provided with the extensible canopy extended forward, telescopic adjustment structure
The upper surface that part also includes extending backwards is used for the buttress brace coordinated with vehicle wheel rolling presses, and the front end of buttress brace is arranged at the flexible back of the body
And/or on extensible canopy.
Each buttress brace is integrally formed at the rear end of corresponding extensible canopy respectively.
Connected between two neighboring buttress brace by recess preceding inner concave arc surface transition facing forward, between two neighboring extensible canopy
Connected by the rear inner concave arc surface transition of recess backwards.
Buttress brace has the side for being used for being connected with corresponding concrete.
Telescopic adjustment component also includes supporting plate, and supporting plate includes the first supporting plate part on the downside of the flexible back of the body and is located at
Have between second supporting plate part of the flexible rear side, the top of the second supporting plate part and the first supporting plate part and the flexible back of the body
For the packing space of corresponding Concrete Filled.
Flexible knapsack includes vertical back of the body body, and extensible canopy is arranged at the upper end of the vertical back of the body body, and the flexible back of the body also includes being arranged at
The connecting plate setting up and down with first supporting plate part of the vertical back of the body body lower end, between the first supporting plate part and the flexible back of the body
Packing space formed by the gap between connecting plate and the first supporting plate part.
The first support and the second support, the first support and the second support point are provided between first supporting plate part and connecting plate
The front and rear sides of body Wei Yu not be vertically carried on the back.
Vertical supporting arm is provided between the buttress brace and the connecting plate.
One end away from the flexible back of the body is provided with vertical supporting plate in second supporting plate part, and the upper end of vertical supporting plate is set
The cross-brace plate being be arranged in parallel with the second supporting plate part is equipped with, cross-brace plate is connected with the vertical supporting arm, laterally branch
The upper surface of fagging is less than the upper surface of buttress brace.
The technical scheme of Bridge retractor device of the present invention is：Including telescopic adjustment component arranged in pairs, telescopic adjustment
Component includes the flexible back of the body, and the upper end of the flexible back of the body is provided with the extensible canopy extended forward, and telescopic adjustment component also includes extending backwards
Upper surface be used for the buttress brace coordinated with vehicle wheel rolling presses, the front end of buttress brace is arranged on the flexible back of the body and/or extensible canopy.
Each buttress brace is integrally formed at the rear end of corresponding extensible canopy respectively.
Connected between two neighboring buttress brace by recess preceding inner concave arc surface transition facing forward, between two neighboring extensible canopy
Connected by the rear inner concave arc surface transition of recess backwards.
Buttress brace has the side for being used for being connected with corresponding concrete.
Telescopic adjustment component also includes supporting plate, and supporting plate includes the first supporting plate part on the downside of the flexible back of the body and is located at
Have between second supporting plate part of the flexible rear side, the top of the second supporting plate part and the first supporting plate part and the flexible back of the body
For the packing space of corresponding Concrete Filled.
Flexible knapsack includes vertical back of the body body, and extensible canopy is arranged at the upper end of the vertical back of the body body, and the flexible back of the body also includes being arranged at
The connecting plate setting up and down with first supporting plate part of the vertical back of the body body lower end, between the first supporting plate part and the flexible back of the body
Packing space formed by the gap between connecting plate and the first supporting plate part.
The first support and the second support, the first support and the second support point are provided between first supporting plate part and connecting plate
The front and rear sides of body Wei Yu not be vertically carried on the back.
Vertical supporting arm is provided between the buttress brace and the connecting plate.
One end away from the flexible back of the body is provided with vertical supporting plate in second supporting plate part, and the upper end of vertical supporting plate is set
The cross-brace plate being be arranged in parallel with the second supporting plate part is equipped with, cross-brace plate is connected with the vertical supporting arm, laterally branch
The upper surface of fagging is less than the upper surface of buttress brace.
Beneficial effects of the present invention are：In the present invention, the upper surface extended backwards is provided with the flexible back of the body and/or extensible canopy
For the buttress brace coordinated with vehicle wheel rolling presses, such buttress brace and extensible canopy add connecing for bridge extension joint and wheel together
Contacting surface is accumulated, and so as to reduce impact pressure of the wheel to bridge extension joint, the bearing of trend of buttress brace and extensible canopy is on the contrary, then
Be in order to ensure buttress brace, the distance of the flexible back of the body of projecting end distance of extensible canopy will not be too remote, ensure buttress brace and extensible canopy
Structural strength, because if the development length increase facing forward of extensible canopy can also increase the contact area with wheel, but this
The projecting end of sample extensible canopy can be too remote apart from the flexible back of the body and structural strength is insufficient.
Further, buttress brace is integrally formed at the rear end of corresponding extensible canopy, and buttress brace and extensible canopy form one whole
Girder construction, equivalent to the anterior-posterior length for adding buttress brace, the structural strength of buttress brace is ensure that, while can also avoid stretching
The back of the body further ensure that the service life of this telescopic adjustment component by the eccentric compression problem of transition.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment 1 of Bridge retractor device of the present invention；
Fig. 2 is the structural representation of single telescopic adjustment component in Fig. 1；
Fig. 3 is Fig. 2 stereogram；
Fig. 4 is the structural representation of the embodiment 2 of Bridge retractor device of the present invention；
Fig. 5 is Fig. 4 stereogram；
Fig. 6 is the structural representation of single telescopic adjustment component in Fig. 4
Fig. 7 is the structural representation of supporting plate in Fig. 6.
Embodiment
The embodiment 1 of bridge extension joint is as shown in Fig. 1 ~ 3：Including multipair telescopic adjustment component, every a pair of telescopic adjustments
Component includes the front and rear two telescopic adjustment components set, in use, each pair of telescopic adjustment component is along bridge width direction cloth
Put and form bridge extension joint.It is identical with two telescopic adjustment element structures of a pair of telescopic adjustment components, now only to position
The structure of telescopic adjustment component rearward is described in detail.The telescopic adjustment component includes the flexible back of the body and supporting plate, and stretch knapsack
Include vertical back of the body body 3 and be arranged at the connecting plate 4 of vertical back of the body body 3 lower end, the vertical middle part carried on the back body 3 and be located at connecting plate 4.Vertical back of the body body
Extensible canopy 2 is arranged at intervals with front side of 3 upper end in left-right direction, extensible canopy 2 is the tongue that side-to-side dimensions become larger from front to back
Piece harden structure, formed between the two tongue piece plates that are connected by rear to preceding size become larger plug hole, in use, position is forward
Telescopic adjustment component extensible canopy insertion position telescopic adjustment component rearward it is corresponding in plug hole.Vertical back of the body body 3
Upper end the buttress brace 14 extended backwards, buttress brace 14 and extensible canopy 2 are integrally provided with the rear end of each corresponding extensible canopy 2
Upper surface flush, the thickness of buttress brace 14 are less than the thickness of extensible canopy, and buttress brace is arranged at intervals with connecting plate about 4, this implementation
Buttress brace is the tongue piece harden structure that side-to-side dimensions taper into from front to back in example, passes through recess court between two neighboring buttress brace
Preceding preceding inner concave arc surface transition connects, and is connected, added by the rear inner concave arc surface transition of recess backwards between two neighboring extensible canopy
The setting of brutal, so as to add the structural strength of extensible canopy, ensure that flexible equivalent to the front and rear width for adding extensible canopy
The service life of beam, while buttress brace can also increase the contact area of bridge extension joint and wheel, so as to realize reduction car
Effect to bridge extension joint impact pressure, the eccentric compression of the flexible back of the body is avoided, the bridge extension joint after improvement makes
With the life-span at least 5 years, and the service life of the only bridge extension joint of extensible canopy only has 2 years, in addition when in use, adds
The side wall of brutal also contacts with concrete, from the contact area that on the one hand ensure that with concrete, so as to add telescopic adjustment
The bonding strength of component and concrete.
Supporting plate is positioned at the downside of the flexible back of the body, and arranged for interval, supporting plate are included on the downside of connecting plate each supporting plate in left-right direction
The first supporting plate part and the second supporting plate part 9 on rear side of connecting plate, the first supporting plate part and the second supporting plate part it is upper,
Lower surface flushes setting, and the superjacent air space of the supporting plate part 9 of gap 6 and second between the first supporting plate part 7 and connecting plate 4 is formed
For the packing space of corresponding Concrete Filled.Be provided between the front and back ends of connecting plate and the first supporting plate part the first support 5 and
Second support 8, the first support 5 and the second support 8 are respectively positioned at the front and rear sides of vertical back of the body body.The rear end of connecting plate 4 and reinforcement
Vertical supporting arm 11 is provided between the rear end of beam, one end away from the flexible back of the body is provided with vertical supporting in the second supporting plate part 9
Plate 12, the upper end of vertical supporting plate 12 are provided with the cross-brace plate 13 being be arranged in parallel with the second supporting plate part 9, cross-brace plate
13 are connected with the middle part of vertical supporting arm 11, and the upper surface of cross-brace plate is less than the upper surface of buttress brace.
In use, adjusting the spacing of corresponding two telescopic adjustment components, telescopic adjustment component is carried out tentatively to fix, just
It can be that telescopic adjustment component is fixed on roadbed by bolt or fixes telescopic adjustment Member Welding to walk fixation
In on the embedded bar of roadbed.Then by fill concrete at telescopic adjustment component, the height of concrete can with buttress brace and
The upper surface flush of extensible canopy, after Concrete Filled, the sky on the upside of gap, cross-brace plate between buttress brace and connecting plate
Between, gap between gap, the first supporting plate part and connecting plate between the second supporting plate part and cross-brace plate and two neighboring
Full concrete will be filled between buttress brace.So being not only located at the first supporting plate part on the downside of connecting plate can increase and coagulation
The connection area of soil, the setting of connecting plate and cross-brace plate can further increase the company of telescopic adjustment component and concrete
Device intensity is connect, so as to ensure the fixed of telescopic adjustment component.The extensible canopy of tongue piece harden structure causes corresponding two flexible tune
Saving between component can be to tilt the assembling of certain angle, so as to ensure that present invention could apply to bridge and road into a constant inclination
Used in the environment of rake angle, telescopic adjustment component entirety integrally casting shaping in the present invention.Two expansion joint adjusters simultaneously
Gap filled high polymer porous material between component, the effect of waterproof, anti-sticking seam and sound-absorbing is played, the end of extensible canopy is adopted
With arcuate structure, orthogonal with vehicle traveling direction, prismatic groove is changed into the groove of variable cross-section+in the same direction, utilizes acoustics former
The sound absorption qualities of reason and packing material, reach Jing Yin effect.
In other embodiments of the invention：Connecting plate can not also be set, and the back of the body that now stretches can be only vertically to carry on the back body knot
Structure；Cross-brace plate, vertical supporting plate and vertical supporting arm can not also be set；Cross-brace plate can also be connected to vertical supporting
The upper end or lower end of arm；Buttress brace can not also use symmetrical structure with extensible canopy, such as the size of buttress brace is less than flexible
Beam or more than extensible canopy；Each part of telescopic adjustment component can also be fixed together by welding；Extensible canopy can also be
The modular expansion device not stretched into mutually；The number of buttress brace and the number of extensible canopy may not be one-to-one pass
System, such as the number of extensible canopy and the number of buttress brace are 2:1、3:1 etc., now the rear end of part extensible canopy can not also set
Put buttress brace；The front end of certain buttress brace is arranged on extensible canopy and flexible back when can also be different, for example, buttress brace with it is right
Extensible canopy arranged for interval is answered, the front end of buttress brace is connected only to flexible back；When the front end of buttress brace is connected only to flexible back
When, buttress brace can also be not located at the dead astern of correspondingly extensible canopy, such as buttress brace can be located at correspondingly two neighboring stretch
Between contracting beam.
The embodiment 2 of bridge extension joint is as shown in Fig. 4 ~ 7：Embodiment 2 as different from Example 1, extensible canopy 2 and plus
Brutal 14 is not tongue piece harden structure, extensible canopy 2 and the main body of buttress brace 14 entity that to be left and right width consistent, extensible canopy and
The end of buttress brace uses arc structure, and the end of extensible canopy uses arc structure to avoid the impact to wheel, buttress brace
End use arc structure, the connection area with concrete can be increased, the length of buttress brace is less than the length of extensible canopy.Under
Layer supporting plate part is grid square shape frame structure, and lower floor's supporting plate part includes spaced apart lower floor's supporting plate in left-right direction
21, and be connected to the preceding connection supporting plate 15 of lower floor's two ends of bearing plate and rear connection supporting plate 16, each lower floor's supporting plate 21 respectively positioned at pair
The underface of upper strata supporting plate 20 is answered, connects and is provided with the vertically extending bolt penetration hole 17 of axis, buttress brace 14 on supporting plate
For vertically extending column construction.The setting of forward and backward connection supporting plate, on the one hand can improve expansion joint regulator member
Bulk strength, it can in addition contain further increase the contact area with concrete, certainly due to the top of forward and backward connection supporting plate
Do not stop, therefore bolt penetration hole can be provided with forward and backward connection supporting plate, be convenient for people to operate, can be incited somebody to action by nut
Expansion joint component is pre-fixed in roadbed.
In other embodiments of the invention：Bolt penetration hole can not also be set, now can be by telescopic adjustment Member Welding
It is fixed on the reinforcing bar in corresponding roadbed；Certainly forward and backward connection supporting plate can not also be set, and can be now arranged at bolt penetration hole
In first supporting plate part or the second supporting plate part；Extensible canopy can also be consistent with the size of buttress brace；Certain forward and backward connection supporting plate
Structure can also be applied to embodiment 1 in telescopic adjustment component on；Supporting plate can also be the frame structure of circular cross section.
The implementation of telescopic adjustment component is for example shown in Fig. 1 ~ 7：The concrete structure of telescopic adjustment component is stretched with above-mentioned each bridge
Telescopic adjustment component described in compression apparatus embodiment is identical, will not be described in detail herein.
Claims (8)
1. telescopic adjustment component, including the flexible back of the body, the upper end of the flexible back of the body are provided with the extensible canopy extended forward, it is characterised in that：
The upper surface that telescopic adjustment component also includes extending backwards is used for the buttress brace coordinated with vehicle wheel rolling presses, and the front end of buttress brace is set
In on the flexible back of the body and/or extensible canopy, each buttress brace is integrally formed at the rear end of corresponding extensible canopy respectively, two neighboring buttress brace it
Between connected by recess rear inner concave arc surface transition backwards, pass through recess preceding inner concave arc surface facing forward between two neighboring extensible canopy
Transition connects, and flexible back end is provided with the connecting end surface being connected between front and rear inner concave arc surface upper end.
2. telescopic adjustment component according to claim 1, it is characterised in that：Buttress brace, which has, to be used for and corresponding concrete phase
Side even.
3. the telescopic adjustment component according to claim 1 ~ 2 any one, it is characterised in that：Telescopic adjustment component also includes
Supporting plate, supporting plate is including the first supporting plate part on the downside of the flexible back of the body and positioned at the second supporting plate portion of the flexible rear side
Point, have the filling for corresponding Concrete Filled empty between the top of the second supporting plate part and the first supporting plate part and the flexible back of the body
Between.
4. telescopic adjustment component according to claim 3, it is characterised in that：Flexible knapsack includes vertical back of the body body, and extensible canopy is set
It is placed in the upper end of the vertical back of the body body, the flexible back of the body is also including being arranged at the vertical back of the body body lower end with first supporting plate part
Connecting plate setting up and down, the packing space between the first supporting plate part and the flexible back of the body is by between connecting plate and the first supporting plate part
Gap formed.
5. telescopic adjustment component according to claim 4, it is characterised in that：Set between first supporting plate part and connecting plate
There are the first support and the second support, the first support and the second support are respectively positioned at the front and rear sides of vertical back of the body body.
6. telescopic adjustment component according to claim 4, it is characterised in that：Set between the buttress brace and the connecting plate
It is equipped with vertical supporting arm.
7. telescopic adjustment component according to claim 6, it is characterised in that：Away from the flexible back of the body in second supporting plate part
One end be provided with vertical supporting plate, the upper end of vertical supporting plate is provided with the cross-brace being be arranged in parallel with the second supporting plate part
Plate, cross-brace plate are connected with the vertical supporting arm, and the upper surface of cross-brace plate is less than the upper surface of buttress brace.
8. bridge extension joint, it is characterised in that：Including the flexible tune arranged in pairs as described in claim 1 ~ 7 any one
Save component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610549214.3A CN106012821B (en) | 2016-07-13 | 2016-07-13 | Bridge extension joint and its telescopic adjustment component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610549214.3A CN106012821B (en) | 2016-07-13 | 2016-07-13 | Bridge extension joint and its telescopic adjustment component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106012821A CN106012821A (en) | 2016-10-12 |
| CN106012821B true CN106012821B (en) | 2018-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610549214.3A Active CN106012821B (en) | 2016-07-13 | 2016-07-13 | Bridge extension joint and its telescopic adjustment component |
Country Status (1)
| Country | Link |
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| CN (1) | CN106012821B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974851A (en) * | 2019-05-23 | 2020-11-24 | 深圳市威士邦建筑新材料科技有限公司 | Method for machining corrugated telescopic member of bridge joint filling device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100957696B1 (en) * | 2008-04-30 | 2010-05-12 | 김성길 | A finger joint structure for bridge |
| CN102587274B (en) * | 2012-02-27 | 2015-01-14 | 刘强 | Expansion joint members, bridge expansion joint device and expansion joint device installing method |
| CN204875504U (en) * | 2015-07-23 | 2015-12-16 | 中建路桥集团有限公司 | Bridge expansion joint link |
| CN205134180U (en) * | 2015-09-10 | 2016-04-06 | 曲宽仁 | Bridge expansion joint adjusting device |
| CN205804164U (en) * | 2016-07-13 | 2016-12-14 | 刘强 | A kind of bridge extension joint and telescopic adjustment component thereof |
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2016
- 2016-07-13 CN CN201610549214.3A patent/CN106012821B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106012821A (en) | 2016-10-12 |
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Inventor after: Liu Qiang Inventor after: Wang Changjun Inventor after: Yuan Zhongshan Inventor after: Gao Feng Inventor after: He Lanjun Inventor after: Zhang Meili Inventor after: Bai Bing Inventor after: Xu Feng Inventor after: Zhang Fan Inventor after: Wan Junwei Inventor after: Liu Zhe Inventor after: Huang Jie Inventor after: Chen Shirong Inventor after: Zhang Xiao Inventor after: Gao Zhenbo Inventor after: Zhao Yuanyuan Inventor after: Han Gongxue Inventor after: Ge Shiyin Inventor before: Liu Qiang Inventor before: Li Xiqing |
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