CN105256718A - Modular multidirectional displacement telescopic device and bridge - Google Patents
Modular multidirectional displacement telescopic device and bridge Download PDFInfo
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- CN105256718A CN105256718A CN201510710382.1A CN201510710382A CN105256718A CN 105256718 A CN105256718 A CN 105256718A CN 201510710382 A CN201510710382 A CN 201510710382A CN 105256718 A CN105256718 A CN 105256718A
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- comb plate
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Abstract
The invention relates to building telescopic devices and provides a modular multidirectional displacement telescopic device which comprises a joint crossing beam and one or more comb plate assemblies, wherein the joint crossing beam comprises a supporting panel, two steel ball supports and at least one cambered surface support seat plate; the two steel ball supports and the cambered surface support seat plate are respectively positioned on the two sides of a structural joint; one steel ball support is a fixed support and the other steel ball support is a bi-directional movable support; the comb plate assemblies are arranged on one side of the joint crossing beam in sequence; adjacent comb plate assemblies are connected through rigid body elastic elements; the invention further discloses a bridge; the bridge comprises the telescopic device. The joint crossing beam of the telescopic device provided by the invention mainly eliminates influences generated by the angle rotation and displacement in the vertical direction and the comb plate assemblies and the rigid body elastic elements can eliminate influences of the bridge stretching and retraction change generated in the direction along the bridge and angle rotation in the cross-bridge direction, three-directional displacement, stretching and retraction, and rotation of the bridge caused by temperature, wind force and loads can be met, a continuous traffic bearing surface can be provided for vehicle running and noise reduction and vibration prevention effects are good.
Description
Technical field
The present invention relates to bridge and other building stretching devices, particularly relate to a kind of modularization multi-directional deflection stretching device and bridge.
Background technology
Stretching device is the key position in bridge member, is realizing playing an important role in bridge function.Common bridge extension joint has board-like Telescopic rubber device, shaped steel modular expansion device, the board-like stretching device of comb etc.
Bridge is in construction with in operation process, and the effect such as can be subject to car load, bridge own material shrinkage and creep, foundation settlement, wind carry, causes bridge beam end to be out of shape.Bridge construction is sewn on 6 degree of freedom directions and all there is spatial movement (displacement in XYZ tri-directions and torsion) in various degree, thus causes the space operations such as extruding, stretching, torsion, dislocation, sedimentation to the stretching device being installed on bridge beam end.
Shaped steel modular expansion device in existing market, the longitudinal extension gap existing for it is large, flexible uneven, impact force is concentrated, it is comparatively outstanding to jump the phenomenons such as car is serious, concrete is frangible, extensible member spoilage is high, fabricating cost is large, the design preformed groove degree of depth is dark.Particularly to suspension bridge, cable stayed bridge, and tiltedly, curved bridge, because bridge construction unavoidably exists multidirectional displacement, therefore in use procedure, seriously expose the defect of inadaptable transverse direction and multi-directional deflection requirement.And requiring high to vertical deformation, vertical, horizontal conjugates large cable stayed bridge, suspension bridge etc., and modular expansion device for bridge is then difficult to the requirement meeting its multi-directional deflection.
And conventional expansion joint of comb plate, the requirement of bridge beam body vertical corner can not be met.When beam body stand under load sink beam-ends upwarp there is corner time, the comb plate of traditional comb plate class stretching device can tilt with beam-ends corner, the tooth bar of tilting and bring hidden danger to traffic safety, meanwhile, can produce comb fracture after vehicle spreading, and anchoring such as to pull at the phenomenon.And rubber tile bottom comb plate, comb joint vehicle by time deform, rubbish invades bottom comb plate, causes comb to upwarp, and anchor bolt is stressed bending, finally causes single unit system early ageing to destroy.Further, the anchor structure of the device form implanting erection bolt that adopts is installed more, uses the middle device anchor structure that is hit easily loosen and cause last anchor structure to pull.
Summary of the invention
The object of the present invention is to provide a kind of modularization multi-directional deflection stretching device, be intended to easily be affected by the external environment be unfavorable for the problem of traffic safety for solving existing stretching device.
The present invention is achieved in that
The embodiment of the present invention provides a kind of modularization multi-directional deflection stretching device, comprise across structural joint across seam beam and at least one comb plate assembly, described across seam beam comprise support panel, support described support panel wherein one end and rotating two steel ball bearings and support the described support panel other end and at least one cambered surface rotating supports seat board, two described steel ball bearings and described cambered surface support the both sides that seat board lays respectively at described structural joint, wherein steel ball bearing described in is fixed bearing, steel ball bearing described in another is bi-directional movable bearing, across seam beam, there is described cambered surface described in each described comb plate assembly is set in turn in along described steel ball bearing to the direction of described cambered surface support seat board and support seat board side, and adjacent between all adopt rigid body elastic component to connect.
Further, also comprise pre-buried two piece of first steel plate be embedded in concrete, steel ball bearing described in two is all positioned at wherein the first steel plate side described in, each described cambered surface supports seat board and each described comb plate assembly is positioned at the first steel plate side described in another, and two described first steel plates lay respectively at the both sides of described structural joint.
Further, the first steel plate described in two all has at least one anchor bar extended straight down in the described concrete of correspondence.
Further, described across seam beam with and its described comb plate assembly be close between be connected by least one rigid hinge.
Further, between adjacent two described comb plate assemblies, described across seam beam and and its described comb plate assembly be close between be also all connected with can the superimposed sliding panel of level, described sliding panel is positioned at directly over the described rigid body elastic component of correspondence.
Further, the upper surface in each described sliding panel is all perfused with asphalt material or fluid sealant, and the surface of described asphalt material or described fluid sealant is not higher than the upper surface of described support panel.
Further, described first steel plate supporting seat board side in described cambered surface is provided with seat board under comb plate assembly, and under described comb plate assembly, seat board lays elasticity tetrafluoro support sliding plate, on described elasticity tetrafluoro support sliding plate, also tiling has the second steel plate, and the base plate of each described comb plate assembly all slides and is arranged on described second steel plate.
Further, each described steel ball bearing is also all connected by fixed pull ring between seat board with between described support panel and under steel ball bearing, described fixed pull ring is anchored in across seam beam support panel by locking anchor bolt, and under described fixed pull ring and steel ball bearing, seat board is welded and fixed.
Further, comb plate assembly described in each comprises the web being positioned at the panel of same plane, the base plate of horizontal support with described support panel and being connected described panel and described base plate, adopts described rigid body elastic component to connect between adjacent two described webs.
Further, also there is at least one the anchoring arm-tie extended horizontally in corresponding described concrete.
Further, also comprise the waterproof roll across described structural joint, described waterproof roll is positioned at described across immediately below seam beam.
The embodiment of the present invention also provides a kind of bridge, comprise two abutments and at least one beam body, also comprise the modularization multi-directional deflection stretching device that at least one is above-mentioned, the each described steel ball bearing of modularization multi-directional deflection stretching device described in each is installed on abutment described in adjacent one of them or described beam body, each described cambered surface supports seat board and installs on abutment described in adjacent another or described beam body, and each described support panel between adjacent two described abutments or described beam body is arranged side by side along direction across bridge.
Particularly, each described modularization multi-directional deflection stretching device of direction across bridge is of a size of 1m, 1.5m or 2m, and has the gap of 2-5mm between adjacent two described modularization multi-directional deflection stretching devices.
The present invention has following beneficial effect:
Stretching device of the present invention, form by across seam beam and comb plate assembly two parts, across the impact that the torsion that mainly adapts to vertical direction corner and vertical horizontal direction displacement of seam beam produces, comb plate assembly and rigid body elastic component then can eliminate the telescopic variation that produces across structural joint direction and perpendicular to the impact across direction level angle, when stretching device is applied on bridge, bridge can be met due to temperature, wind-force, the three direction displacement that load causes, stretch and rotate, continuous print traffic bearing surface can be provided for driving, noise reduction, vibration-isolating effect is good, there is good water resistance and excretory system simultaneously, anti seismic efficiency is good, and this stretching device long service life, can significantly improve travel safety and comfortableness.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the modularization multi-directional deflection stretching device that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the structural representation across seam beam direction across bridge of the modularization multi-directional deflection stretching device of Fig. 1;
Fig. 3 is the top view of the modularization multi-directional deflection stretching device of Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of modularization multi-directional deflection stretching device, comprise can across structural joint across seam beam 11 and at least one comb plate assembly 12, general comb plate assembly 12 is multiple, and interval is arranged, be specially and comprise support panel 111 across seam beam 11, two steel ball bearings 112 and at least one cambered surface support seat board 113, support panel 111 is horizontally disposed with and across structural joint, its upper surface is that plane can travel for vehicle, two steel ball bearings 112 are all arranged at across seam beam 11 wherein one end along travel direction, and two steel ball bearings 112 1 are fixed bearing, another is bi-directional movable bearing, cambered surface supports seat board 113 and arranges across the other end of seam beam 11 along travel direction, the below of support panel 111 has at least two at least two the direction across bridge stiffening ribs 114 arranged to stiffening rib 115 and edge perpendicular to travel direction along bridge arranged along travel direction, suitable bridge is the structure of falling T-shape to stiffening rib 115, two enclose to stiffening rib 115 and two direction across bridge stiffening ribs 114 support system being formed and close along bridge, each steel ball bearing 112 and each cambered surface support seat board 113 and are all arranged at below across stitching beam 11, steel ball bearing 112 and cambered surface support seat board 113 and cooperatively interact, both make under external force can rotation on adaptation level direction and vertical direction within the scope of certain angle across seam beam 11 part.Each comb plate assembly 12 of this stretching device 1 is all arranged at has across seam beam 11 one end that cambered surface supports seat board 113, the direction (vehicle heading) supporting seat board 113 along steel ball bearing 112 to cambered surface sets gradually, and adopts rigid body elastic component 13 to connect between adjacent two comb plate assemblies 12.Therefore, stretching device 1 changes along across the telescopic displacement on structural joint direction, shared is carried out mainly through each comb plate assembly 12, and rigid body elastic component 13 is as the connector between the comb plate assembly 12 with certain rigidity, under the prerequisite not affecting comb plate assembly 12 longitudinal extension change in displacement, the stability of comb plate assembly 12 can be ensured again, certain torsion moment of flexure can be born again simultaneously, increase stretching device structure to the adaptation of structural joint both sides twisting force.Meanwhile, whole stretching device 1 connects into an entirety by rigid body elastic component 13, and rigid body elastic component 13 can play the effect of damping, thus increases the anti-seismic performance of structural joint.
Specifically see Fig. 1, optimize above-described embodiment, increase the reliability of construction and installation, stretching device 1 also includes and is installed on the first steel plate 14 that mounting groove top reserved by structural joint both sides concrete, two steel ball bearings 112 are positioned at the side of wherein one first steel plate 14, cambered surface support seat board 113 and each comb plate assembly 12 are then all positioned at the side of another the first steel plate 14, and two the first steel plates 14 all have at least one anchor bar 141 vertically extended in corresponding concrete.In the present embodiment, stretching device 1 can integral solder or bolt be riveted on two first steel plates 14 across seam beam 11 and comb plate assembly 12 part, this set makes to form the higher annexation of reliability between stretching device 1 entirety and concrete 3, when support panel 111 is subject to the wheel impacts masterpiece used time, impact load can be passed to two pre-buried first steel plates 14 by stretching device 1, concrete is passed to again by each anchor bar 141 of two the first steel plates 14, force path is simple, clearly, arranging of the first pre-buried steel plate 14 can uniform diffusion impact load, greatly strengthen the impact resistance of stretching device 1, avoid the concrete destruction in local near stretching device 1.
Refer again to Fig. 1 and Fig. 2, further, stretching device 1 has at least one the anchoring arm-tie 142 extended horizontally in corresponding concrete.Stretching device 1 also comprises two support side plate 15 vertically arranged, each anchoring arm-tie 142 welds with corresponding support side plate 15, and wherein a support side plate 15 is fixedly connected with seat board 116 under following steel ball bearing, another support side plate 15 is then fixedly connected with seat board 124 under following comb plate assembly, under steel ball bearing, seat board 116 and seat board 124 under comb plate assembly are soldered with the first corresponding steel plate 14 or tie respectively again, each anchoring arm-tie 142 has certain thickness, its entirety is all horizontally embedded in concrete, can weld with the reserved steel bar in concrete, it can improve the anchorage effect of stretching device 1 in concrete further, strengthen the impact resistance of stretching device 1.The structure of refinement steel ball bearing 112, it is arranged with seat board 116 under steel ball bearing, also be connected by fixed pull ring 117 between seat board 116 with support panel 111 under steel ball bearing, and fixed pull ring 117 one end is anchored on support panel 111 by Anti-off bolt 119, and fixed pull ring 117 other end welding or be bolted under each steel ball bearing on seat board 116, thus ensure the anchoring of steel ball bearing 112.
Further, be connected by least one rigid hinge 118 across between seam beam 11 and the comb plate assembly 12 adjacent with it.In the present embodiment, two relatively independent parts can be constructively divided into across seam beam 11 with comb plate assembly 12 by rigid hinge 118, the setting of rigid hinge 118 can increase substantially the compliance of stretching device 1 pair of structural joint both sides concrete vertical corner, the large bridge that this feature is higher to deck-molding, especially the structural joint of combined bridge is particularly suitable.
Refer again to Fig. 1, continue to optimize above-described embodiment, also being connected with between two adjacent comb plate assemblies 12 can the superimposed sliding panel 16 of level, each sliding panel 16 is all positioned at directly over corresponding rigid body elastic component 13, and for being slidably connected between each adjacent sliding panel 16, certainly across seam beam 11 and and its comb plate assembly 12 be close between be also connected with sliding panel 16, it is positioned in rigid hinge 118.In the present embodiment, two adjacent comb plate assemblies 12 have spacing, and this spacing meets the code requirement of relevant stretching device, sliding panel 16 is provided with directly over rigid body elastic component 13, when then producing the telescopic displacement in horizontal direction at stretching device 1, sliding panel 16 can the slip that is staggered with the telescopic displacement of rigid body elastic component 13.For said structure, be perfused with pitch oil and tallow or fluid sealant 17, be perfused with the surface of pitch oil and tallow or fluid sealant 17 not higher than the upper surface of support panel 111, after perfusion, plasticity body is spill.This design can adapt to comb plate assembly 12 telescopic displacement, during extension, pitch oil and tallow or fluid sealant 17 form concave surface, during compression, concave surface is tending towards smooth, to form the sealing to chamber between each sliding panel 16 with corresponding comb plate assembly 12, the ponding above stretching device 1 is difficult to infiltrate in it.
See Fig. 1 and Fig. 3, particularly, the structure of refinement comb plate assembly 12, each comb plate assembly 12 includes panel 121, base plate 122 and connects the web 123 of panel 121 and base plate 122, panel 121 is horizontally disposed with and is positioned at same plane with across the support panel 111 stitching beam 11, base plate 122 is also in level, the panel 121 of each comb plate assembly 12 all has some tooth bars of horizontal-extending, the tooth bar of the panel 121 between adjacent two comb plate assemblies 12 staggers setting, and adopts rigid body elastic component 13 to connect between adjacent two webs 123.In the present embodiment, web 123 is arranged along the travel direction perpendicular to vehicle, each rigid body elastic component 13 connects two adjacent webs 123 along travel direction, rigid body elastic component 13 can adopt bolt with the connection of web 123 or weld, thus make each comb plate assembly 12 as a whole, and the panel 121 of each comb plate assembly 12 and the running supporting surface jointly forming stretching device 1 across the support panel 111 stitching beam 11.Usually, seat board 124 under the side of cambered surface support seat board 113 is provided with comb plate assembly, and during construction and installation under this comb plate assembly seat board 124 to weld or bolt is fixed on the first steel plate 14 of this side, also weld with the support side plate 15 of this side simultaneously, then be installed on elasticity tetrafluoro support sliding plate 18 thereon, and on elasticity tetrafluoro support sliding plate 18 also tiling have the second steel plate 181, it is stainless steel, and each base plate 122 of each comb plate assembly 12 all slides and is arranged on the second steel plate 181.
Further, stretching device 1 also includes the waterproof roll 19 across structural joint, and this waterproof roll 19 is positioned at across immediately below seam beam 11.In the present embodiment, structural joint is installed across before seam beam 11 or comb plate assembly 12, first lay waterproof roll 19 at the both sides concrete of structural joint, waterproof roll 19 is fixed on the concrete of structural joint both sides by buckle or glue.
Refer again to Fig. 1 and Fig. 3, the embodiment of the present invention also provides a kind of bridge, comprise two abutments 2 and at least one beam body, structural joint is formed between adjacent two beam bodies or between beam body and abutment 2, bridge also comprises at least one above-mentioned stretching device 1, each stretching device 1 across seam beam 11 be across on this structural joint, namely each steel ball bearing 112 across seam beam 11 is installed in adjacent wherein abutment 2 or a Liang Tishang, each cambered surface supports seat board 113 and then all installs in adjacent another abutment 2 or Liang Tishang, its entirety is girder construction, when structural joint span increases, only need suitably to increase the structure height across seam beam 11, the thickness of support panel 111 is constant, to increase the method for support panel rigidity completely different by increasing panel construction thickness for this kind of design more conventional comb plate seam, for 1200mm seam, conventional comb seam plate thickness reaches 140mm, and the thickness of this stretching device support panel 111 is not by the impact that structural joint increases across footpath.Therefore, when structural joint span increases, the present invention significantly can save material, and economy is good.When different bridges, bridge wide inconsistent time, only need bridge direction across bridge that multiple stretching device 1 is set, each stretching device 1 splices successively, there is between two adjacent stretching devices 1 gap of 2-5mm, and usually, be of a size of 1m, 1.5m or 2m along each stretching device 1 of direction across bridge.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a modularization multi-directional deflection stretching device, comprise across structural joint across seam beam and at least one comb plate assembly, it is characterized in that: described across seam beam comprise support panel, support described support panel wherein one end and rotating two steel ball bearings and support the described support panel other end and at least one cambered surface rotating supports seat board, two described steel ball bearings and described cambered surface support the both sides that seat board lays respectively at described structural joint, wherein steel ball bearing described in is fixed bearing, steel ball bearing described in another is bi-directional movable bearing, across seam beam, there is described cambered surface described in each described comb plate assembly is set in turn in along described steel ball bearing to the direction of described cambered surface support seat board and support seat board side, and adjacent between all adopt rigid body elastic component to connect.
2. modularization multi-directional deflection stretching device as claimed in claim 1, it is characterized in that: also comprise pre-buried two piece of first steel plate be embedded in concrete, steel ball bearing described in two is all positioned at wherein the first steel plate side described in, each described cambered surface supports seat board and each described comb plate assembly is positioned at the first steel plate side described in another, and two described first steel plates lay respectively at the both sides of described structural joint.
3. modularization multi-directional deflection stretching device as claimed in claim 2, is characterized in that: the first steel plate described in two all has at least one anchor bar extended straight down in the described concrete of correspondence.
4. modularization multi-directional deflection stretching device as claimed in claim 1, is characterized in that: described across seam beam with and its described comb plate assembly be close between be connected by least one rigid hinge.
5. modularization multi-directional deflection stretching device as claimed in claim 1, it is characterized in that: between adjacent two described comb plate assemblies, described across seam beam and and its described comb plate assembly be close between be also all connected with can the superimposed sliding panel of level, described sliding panel is positioned at directly over the described rigid body elastic component of correspondence.
6. modularization multi-directional deflection stretching device as claimed in claim 4, it is characterized in that: the upper surface in each described sliding panel is all perfused with asphalt material or fluid sealant, the surface of described asphalt material or described fluid sealant is not higher than the upper surface of described support panel.
7. modularization multi-directional deflection stretching device as claimed in claim 2, it is characterized in that: described first steel plate supporting seat board side in described cambered surface is provided with seat board under comb plate assembly, and under described comb plate assembly, seat board lays elasticity tetrafluoro support sliding plate, on described elasticity tetrafluoro support sliding plate, also tiling has the second steel plate, and the base plate of each described comb plate assembly all slides and is arranged on described second steel plate.
8. modularization multi-directional deflection stretching device as claimed in claim 7, it is characterized in that: each described steel ball bearing is also all connected by fixed pull ring between seat board with between described support panel and under steel ball bearing, described fixed pull ring is anchored in across seam beam support panel by locking anchor bolt, and under described fixed pull ring and steel ball bearing, seat board is welded and fixed.
9. modularization multi-directional deflection stretching device as claimed in claim 1, it is characterized in that: comb plate assembly described in each comprises the web being positioned at the panel of same plane, the base plate of horizontal support with described support panel and being connected described panel and described base plate, adopts described rigid body elastic component to connect between adjacent two described webs.
10. modularization multi-directional deflection stretching device as claimed in claim 1, is characterized in that: also have at least one the anchoring arm-tie extended horizontally in corresponding described concrete.
11. modularization multi-directional deflection stretching devices as claimed in claim 1, is characterized in that: also comprise the waterproof roll across described structural joint, and described waterproof roll is positioned at described across immediately below seam beam.
12. 1 kinds of bridges, comprise two abutments and at least one beam body, it is characterized in that: also comprise at least one modularization multi-directional deflection stretching device as described in any one of claim 1-11, the each described steel ball bearing of modularization multi-directional deflection stretching device described in each is installed on abutment described in adjacent one of them or described beam body, each described cambered surface supports seat board and installs on abutment described in adjacent another or described beam body, and each described support panel between adjacent two described abutments or described beam body is arranged side by side along direction across bridge.
13. bridges as claimed in claim 12, is characterized in that: each described modularization multi-directional deflection stretching device of direction across bridge is of a size of 1m, 1.5m or 2m, and has the gap of 2-5mm between adjacent two described modularization multi-directional deflection stretching devices.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510710382.1A CN105256718B (en) | 2015-10-28 | 2015-10-28 | Modularity multi-directional deflection retractor device and bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510710382.1A CN105256718B (en) | 2015-10-28 | 2015-10-28 | Modularity multi-directional deflection retractor device and bridge |
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| CN105256718A true CN105256718A (en) | 2016-01-20 |
| CN105256718B CN105256718B (en) | 2016-09-21 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105463987A (en) * | 2015-12-30 | 2016-04-06 | 中铁第四勘察设计院集团有限公司 | Modularized, large-corner and multi-way displacement extension device and bridge |
| CN105803931A (en) * | 2016-03-08 | 2016-07-27 | 河北桥致通科技有限公司 | Barrier-free roller-plate-type expansion device of bridge beam end structure |
| CN106320169A (en) * | 2016-08-25 | 2017-01-11 | 中铁第四勘察设计院集团有限公司 | Modular expansion device and bridge |
| CN107326803A (en) * | 2017-08-10 | 2017-11-07 | 安徽省交通规划设计研究总院股份有限公司 | The scattered displacement expansion joint of tandem |
| CN107815963A (en) * | 2017-10-30 | 2018-03-20 | 深圳市威士邦建筑新材料科技有限公司 | A kind of bridge expanssion joint |
| CN109338876A (en) * | 2018-11-15 | 2019-02-15 | 山西省交通科学研究院 | A kind of embedded fishback telescopic device and application method |
| WO2020019361A1 (en) * | 2018-07-26 | 2020-01-30 | 桥致通（武汉）技术有限公司 | Novel retractable device formed by combining crawler and arc-shaped roller plates |
| CN114960414A (en) * | 2022-06-17 | 2022-08-30 | 湖北恋桥交通工程有限公司 | Modulus formula bridge telescoping device |
| CN114991323A (en) * | 2022-07-18 | 2022-09-02 | 中国建筑西南设计研究院有限公司 | Anti-falling anti-seismic building ground anti-seismic joint device and structure |
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| CN105463987B (en) * | 2015-12-30 | 2017-11-28 | 中铁第四勘察设计院集团有限公司 | Modularization, big corner, multi-directional deflection retractor device and bridge |
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| CN107326803A (en) * | 2017-08-10 | 2017-11-07 | 安徽省交通规划设计研究总院股份有限公司 | The scattered displacement expansion joint of tandem |
| CN107815963B (en) * | 2017-10-30 | 2023-09-15 | 深圳市威士邦建筑新材料科技有限公司 | Bridge expansion joint |
| CN107815963A (en) * | 2017-10-30 | 2018-03-20 | 深圳市威士邦建筑新材料科技有限公司 | A kind of bridge expanssion joint |
| WO2020019361A1 (en) * | 2018-07-26 | 2020-01-30 | 桥致通（武汉）技术有限公司 | Novel retractable device formed by combining crawler and arc-shaped roller plates |
| CN109338876A (en) * | 2018-11-15 | 2019-02-15 | 山西省交通科学研究院 | A kind of embedded fishback telescopic device and application method |
| CN109338876B (en) * | 2018-11-15 | 2020-05-22 | 山西省交通新技术发展有限公司 | Embedded comb plate telescopic device and using method |
| CN114960414A (en) * | 2022-06-17 | 2022-08-30 | 湖北恋桥交通工程有限公司 | Modulus formula bridge telescoping device |
| CN114991323A (en) * | 2022-07-18 | 2022-09-02 | 中国建筑西南设计研究院有限公司 | Anti-falling anti-seismic building ground anti-seismic joint device and structure |
| CN114991323B (en) * | 2022-07-18 | 2024-03-12 | 中国建筑西南设计研究院有限公司 | Anti-falling anti-seismic floor anti-seismic joint device and structure |
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