CN206428580U - Multidirectional displacement bridge expansion device - Google Patents
Multidirectional displacement bridge expansion device Download PDFInfo
- Publication number
- CN206428580U CN206428580U CN201621353208.2U CN201621353208U CN206428580U CN 206428580 U CN206428580 U CN 206428580U CN 201621353208 U CN201621353208 U CN 201621353208U CN 206428580 U CN206428580 U CN 206428580U
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- Prior art keywords
- plate
- seam
- slide plate
- fixed
- upper strata
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Abstract
It is spacing etc. the utility model discloses a kind of Multidirectional displacement bridge expansion device, including across seam beam, fixed beam, upper strata transverse joint plate, movable fishback, fixed broach plate, movable end protection component, bearing block and bearing；Described is the internal hollow section structure for filling slightly expanded concrete across seam beam, and described to be arranged on across seam beam one end band bearing on bearing block, another end carriage lower band piston shoes fall between fixed beam, can be relatively moved between seam beam and fixed beam；Upper strata transverse joint plate and movable fishback across seam beam without nose of comb with being connected by screw bolts, and nose of comb is mutually twisted with fixed broach plate plate nose of comb, and movable fishback can be slided between fixed top surface of the beam and fixed broach plate.The utility model has the advantages that clear and definite simple in construction, stress, super large displacement, multi-directional deflection, safety durable, convenient to install and maintain, noise reduction, automatically cleaning.
Description
Technical field
The utility model is related to science of bridge building field, more particularly, to a kind of Multidirectional displacement bridge expansion device.
Background technology
With Bridges in Our Country construction increasingly towards greatly across, heavy duty direction develop, the requirement to bridge extension joint is also got over
Come higher, bridge extension joint has to convenient towards multi-directional deflection, damping vibration-isolating, noise reduction environmental protection, safety durable, maintenance
In terms of develop.Multi-directional deflection retractor device used in the current domestic Loads of Long-span Bridges of China mainly has external import and Ningbo road treasured etc.
Domestic production manufacturer production；External import multi-directional deflection retractor device is complicated, involve great expense, and domestic manufacturer produces multidirectional
Displacement expansion device steel using amount is big, multi-directional deflection function scarce capacity, and then the service life cycle is universal partially short.In summary,
Current big displacement Multidirectional displacement bridge expansion device generally existing is complicated, multi-directional deflection function is poor, maintain not
The poor defect of convenient, economic and practical.
Utility model content
The purpose of this utility model be in order to overcome the shortcomings of above-mentioned background technology there is provided one kind it is simple in construction, install and
Repair good quick and convenient, multi-directional deflection performance, safety durable, economical and practical Multidirectional displacement bridge expansion device.
A kind of Multidirectional displacement bridge expansion device that the utility model is provided, including across seam beam, fixed beam, upper strata across seam
Plate, movable fishback, fixed broach plate, movable end protection component, bearing block and bearing are spacing etc.；It is described to be filled out across seam beam for inside
The hollow section structure of slightly expanded concrete is filled, described to be arranged on across seam beam one end band bearing on bearing block, another end carriage lower band
Piston shoes fall between fixed beam, can be relatively moved between seam beam and fixed beam；Upper strata transverse joint plate and movable fishback are free of
Nose of comb across seam beam with being connected by screw bolts, and nose of comb is mutually twisted with fixed broach plate nose of comb, and movable fishback can be solid
Determine to slide between top surface of the beam and fixed broach plate broach.
Further, the bearing block is MGB materials.
Further, it is described to have the second slide plate, movable comb with having under fixed beam under the first slide plate, fixed broach plate across seam beam
There is the 3rd slide plate under tooth plate, the lower section of first slide plate, the second slide plate and the 3rd slide plate is steel fiber reinforced concrete layer, fixed
Beam, the first slide plate are anchored on steel fiber reinforced concrete layer by the first pre-embedded bolt component, can be on the first slide plate across seam beam
Slidably；Second slide plate, the 3rd slide plate are anchored on steel fiber reinforced concrete layer by the second pre-embedded bolt component, movable broach
Plate can be on the second slide plate, the 3rd slide plate slidably；First slide plate, the second slide plate, the 3rd slide plate are MGB materials.
Further, the upper strata transverse joint plate is installed on seam beam, and transverse joint plate is completely covered across seam beam and across seam beam
Between space, can prevent the rubbish such as sandstone from entering on waterstop component.
Further, the upper strata transverse joint plate across seam beam end position by weakening upper strata transverse joint plate section, Neng Gou
When beam-ends rotates, upper strata transverse joint plate can adapt to rotational deformation, upper strata transverse joint plate is kept close at any time with fixed beam
Patch state.
Further, the upper strata transverse joint plate, movable fishback, fixed broach plate are provided with anti-skid structure, increase driving
Security.
Further, retractor device protects component equipped with movable end, and movable end protection component contains high-strength anti-aging rubber,
The high-strength anti-aging rubber is arranged between seam beam movable end and beam body.
Further, all components of the retractor device are standardized designs in order to which piecemeal is repaired.
Further, the retractor device is two-layer composite, and primary structure member is across seam beam.
The Multidirectional displacement bridge expansion device that the utility model is provided has the beneficial effect that：
(1) the more other big displacement multi-directional deflection retractor devices of the utility model, its main force structure is across seam beam, across seam
Beam is using the hollow section structure of internal filling slightly expanded concrete, and compared to traditional pure steel plate design, steel using amount is less, more
Plus it is economical and practical；In addition, being freely supported structure across seam beam, it can be rotated around bearing block and transverse shifting, and be truly realized flexible
The separation of device movable end and beam-ends, makes the more existing big displacement multi-directional deflection retractor device of the utility model more robust.
(2) because the utility model sliding material is MGB materials, make the utility model that there is good damping effect, increase
The comfort level of driving, reduces driving noise.
(3) all being covered across seam beam by transverse joint plate in the utility model, can prevent the rubbish such as sandstone during use
Into waterstop, the service life of waterstop is extended.
(4) due to the use composite construction that the utility model is innovated, big girder span seam, thin plate dystopy is stretched, summit tradition
The structure type of big displacement multi-directional deflection retractor device.
(5) because the utility model component is standardized designs, modular manufacturing, with rapid and convenient is installed, repair
The characteristics of easy maintenance.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that the utility model indulges bridge to structural representation；
Fig. 2 is Fig. 1 section plan；
Fig. 3 is across seam girder construction schematic diagram in the utility model；
Fig. 4 is Fig. 3 section plan；
Fig. 5 is the utility model direction across bridge structural representation；
Fig. 6 is movable fishback partial schematic diagram in the utility model；
Fig. 7 is the utility model partial enlarged drawing.
Icon：1- is across seam beam；2- fixed beams；3- upper stratas transverse joint plate；4- activity fishbacks；5- fixed broach plates；
6- movable ends protect component；7- bearing blocks；8- bearings are spacing；The slide plates of 9- first；The slide plates of 10- second；11- the 3rd is slided
Plate；12- the first pre-embedded bolt components；13- the second pre-embedded bolt components；The pre-embedded bolt components of 14- the 3rd；15- waterstops
Component；16- asphalt mixture surfacings；17- steel fiber reinforced concretes layer；101- bearings；102- piston shoes；103- metallic studs.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The utility model embodiment provide Multidirectional displacement bridge expansion device, including across seam beam 1, fixed beam 2, upper strata across
Stitch plate 3, movable fishback 4, fixed broach plate 5, movable end protection component 6, bearing block 7 and bearing spacing 8 etc.；Referring to Fig. 1-
Shown in Fig. 5, across hollow section structure of the seam beam 1 for internal filling slightly expanded concrete, across seam beam 1 one end, band bearing 101 is installed
On bearing block 7, another end carriage lower band piston shoes 102 fall between fixed beam 2, can make relative shifting between seam beam 1 and fixed beam 2
It is dynamic；Upper strata transverse joint plate 3 and movable fishback 4 are free of nose of comb with being connected by screw bolts across seam beam 1, nose of comb and fixed broach plate
5 nose of comb are mutually twisted, and movable fishback 4 can be slided between the top surface of fixed beam 2 and the broach of fixed broach plate 5.
In the above-mentioned technical solutions, bearing block 7 is MGB materials, and its material property is that intensity is high, and damped coefficient is big, friction
Coefficient is small, rotation and relatively transverse movement can be easily realized between seam beam 1 and bearing block 7, so that this retractor device has
Multi-directional deflection truly.
There is the second slide plate 10 under first slide plate 9, fixed broach plate 5 with having under fixed beam 2 across seam beam 1, under movable fishback 4
There is the 3rd slide plate 11, the lower section of the first slide plate 9, the second slide plate 10 and the 3rd slide plate 11 is steel fiber reinforced concrete layer 17, fixed beam
2nd, the first slide plate 9 is anchored on steel fiber reinforced concrete layer 17 by the first pre-embedded bolt component 12, can be slided across seam beam 1 first
On plate 9 slidably；Second slide plate 10, the 3rd slide plate 11 are anchored at steel fiber reinforced concrete layer by the second pre-embedded bolt component 13
On 17, movable fishback 4 can be on the second slide plate 10, the 3rd slide plate 11 slidably.
Wherein, using steel fiber reinforced concrete layer 17 can ensure bridge extension joint integrally be connected with two beam bodies it is more steady
It is fixed, will not damage junction because of frequent stress, it is corresponding, the surface of beam body also should provided with steel fiber reinforced concrete layer 17 with
Isolation asphalt mixture surfacing 16 is directly contacted with retractor device, prevents the damage of asphalt mixture surfacing 16；Bearing block 7 also leads to
Cross and mutually fixed with steel fiber reinforced concrete layer 17, to ensure the stabilization rotated across seam beam 1, specifically, bearing block 7 is pre-buried by the 3rd
Bolt assembly 14 is fixedly connected with steel fiber reinforced concrete layer 17.
First slide plate 9, the second slide plate 10, the 3rd slide plate 11 are MGB materials, and its material has intensity high, damped coefficient
Greatly, coefficient of friction is small.It corrosion-resistant the features such as, can improve driving comfort, reduction driving passes through noise during retractor device.
Metallic stud 103 is welded with by peg rifle across the top of seam beam 1, upper strata transverse joint plate 3 can by metallic stud 103
That dismantles is fixedly mounted on seam beam 1, and upper strata transverse joint plate 3 is completely covered across seam beam 1 and the space between seam beam 1, can
Prevent the rubbish such as sandstone from entering on waterstop component 15, the service life of increase waterstop component 15.
Shown in Figure 2, upper strata transverse joint plate 3, movable fishback 4, fixed broach plate 5 are provided with anti-skid structure, anti-Slipped Clove Hitch
Structure can be the design of some cuts or some tiny projections, increase the security of driving by increasing coefficient of friction.
It is shown in Figure 6, upper strata transverse joint plate 3 across seam the end position of beam 1 by weakening the section of upper strata transverse joint plate 3, can
When beam-ends rotates, upper strata transverse joint plate 3 can adapt to rotational deformation, upper strata transverse joint plate 3 is protected at any time with fixed beam 2
Close-fitting state is held, the comfort level and reduction driving noise of driving is improved.
Shown in Figure 7, retractor device protects component 6 equipped with movable end, and movable end protection component 6 is containing high-strength anti-aging
Rubber, high-strength anti-aging rubber is fixed between seam beam 1 and beam body, specifically, being to be bolted on beam body and across seam
On the height identical position of beam 1；It retractor device is adapted to vertical and level to rotation, improve the work of retractor device
Performance, can make driving face continuous, improve driving comfort level；Retractor device can be separated with spanning again, occur to turn in retractor device
Junction steel fiber reinforced concrete exempts from destruction when dynamic.
Referring to shown in Fig. 1-Fig. 7, all components of retractor device are standardized designs, quick and easy for installation, can during maintenance
With uninterrupted traffic, piecemeal maintenance；Actual retractor device is two-layer composite, and main primary structure member is across seam beam 1；Need
The bridge of different stroke requirements, can need to only adjust the sectional dimension across seam beam 1 and fixed beam 2 according to actual conditions.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (9)
1. a kind of Multidirectional displacement bridge expansion device, it is characterised in that：Including across seam beam (1), fixed beam (2), upper strata transverse joint plate
(3), movable fishback (4), fixed broach plate (5), movable end protection component (6), bearing block (7) and bearing are spacing (8)；It is described
It is described across seam beam (1) one end band bearing (101) peace across hollow section structure of the seam beam (1) for internal filling slightly expanded concrete
On bearing block (7), another end carriage lower band piston shoes (102) fall between fixed beam (2), across seam beam (1) with fixed beam (2) it
Between can relatively move；Upper strata transverse joint plate (3) and movable fishback (4) are free of nose of comb with being connected by screw bolts across seam beam (1),
Nose of comb is mutually twisted with fixed broach plate (5) nose of comb, and movable fishback (4) can be in fixed beam (2) top surface and fixed broach
Slided between plate (5) broach.
2. a kind of Multidirectional displacement bridge expansion device as claimed in claim 1, it is characterised in that：The bearing block (7) is MGB materials
Material.
3. a kind of Multidirectional displacement bridge expansion device as claimed in claim 1 or 2, it is characterised in that：It is described across seam beam (1) with
Having under fixed beam (2) has the second slide plate (10) under the first slide plate (9), fixed broach plate (5), have the 3rd under movable fishback (4)
Slide plate (11), the lower section of first slide plate (9), the second slide plate (10) and the 3rd slide plate (11) is steel fiber reinforced concrete layer
(17), fixed beam (2), the first slide plate (9) are anchored on steel fiber reinforced concrete layer (17) by the first pre-embedded bolt component (12),
Can be on the first slide plate (9) slidably across seam beam (1)；Second slide plate (10), the 3rd slide plate (11) pass through the second pre-buried spiral shell
Bolt assembly (13) is anchored on steel fiber reinforced concrete layer (17), and movable fishback (4) can be in the second slide plate (10), the 3rd slide plate
(11) on slidably；First slide plate (9), the second slide plate (10), the 3rd slide plate (11) are MGB materials.
4. a kind of Multidirectional displacement bridge expansion device as claimed in claim 1, it is characterised in that：The upper strata transverse joint plate (3)
It is installed on seam beam (1), upper strata transverse joint plate (3) is completely covered across seam beam (1) and the space between seam beam (1), can be prevented
Only the rubbish such as sandstone is entered on waterstop component (15).
5. a kind of Multidirectional displacement bridge expansion device as claimed in claim 1, it is characterised in that：The upper strata transverse joint plate (3)
Across seam beam (1) end position by weakening upper strata transverse joint plate (3) section, can be when beam-ends rotates, upper strata transverse joint plate
(3) rotational deformation is can adapt to, upper strata transverse joint plate (3) close-fitting state can be kept at any time with fixed beam (2).
6. a kind of Multidirectional displacement bridge expansion device as claimed in claim 1, it is characterised in that：The upper strata transverse joint plate (3),
Movable fishback (4), fixed broach plate (5) are provided with anti-skid structure, increase the security of driving.
7. a kind of Multidirectional displacement bridge expansion device as claimed in claim 1, it is characterised in that：Retractor device is equipped with movable end
Component (6) is protected, movable end protection component (6) contains high-strength anti-aging rubber, and the high-strength anti-aging rubber is arranged on across seam
Between beam movable end and beam body.
8. a kind of Multidirectional displacement bridge expansion device as claimed in claim 1, it is characterised in that：All components of retractor device are equal
For standardized designs in order to which piecemeal is repaired.
9. a kind of Multidirectional displacement bridge expansion device as claimed in claim 1, it is characterised in that：Retractor device is two-layer compound
Structure, primary structure member is across seam beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621353208.2U CN206428580U (en) | 2016-12-07 | 2016-12-07 | Multidirectional displacement bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621353208.2U CN206428580U (en) | 2016-12-07 | 2016-12-07 | Multidirectional displacement bridge expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206428580U true CN206428580U (en) | 2017-08-22 |
Family
ID=59587790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621353208.2U Withdrawn - After Issue CN206428580U (en) | 2016-12-07 | 2016-12-07 | Multidirectional displacement bridge expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206428580U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522086A (en) * | 2016-12-07 | 2017-03-22 | 中交铁道(武汉)建设科技有限公司 | Multidirectional deflection bridge telescoping device |
| CN110726394A (en) * | 2019-10-24 | 2020-01-24 | 上海航天精密机械研究所 | Calibrating device and method suitable for strain gauge pasting process |
-
2016
- 2016-12-07 CN CN201621353208.2U patent/CN206428580U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522086A (en) * | 2016-12-07 | 2017-03-22 | 中交铁道(武汉)建设科技有限公司 | Multidirectional deflection bridge telescoping device |
| CN110726394A (en) * | 2019-10-24 | 2020-01-24 | 上海航天精密机械研究所 | Calibrating device and method suitable for strain gauge pasting process |
| CN110726394B (en) * | 2019-10-24 | 2021-08-17 | 上海航天精密机械研究所 | Calibrating device and method suitable for strain gauge pasting process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170822 Effective date of abandoning: 20180626 |
|
| AV01 | Patent right actively abandoned |