CN105803931A - Barrier-free roller-plate-type expansion device of bridge beam end structure - Google Patents
Barrier-free roller-plate-type expansion device of bridge beam end structure Download PDFInfo
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- CN105803931A CN105803931A CN201610143774.9A CN201610143774A CN105803931A CN 105803931 A CN105803931 A CN 105803931A CN 201610143774 A CN201610143774 A CN 201610143774A CN 105803931 A CN105803931 A CN 105803931A
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- board
- roller
- plate
- cover plate
- retractor device
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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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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a barrier-free roller-plate-type expansion device of a bridge beam end structure. The device comprises an expansion plate, a plurality of roller plates, a cover plate, a camber surface support frame, positioning installation plates, pot type rubber bearings, an inverted-L-shaped end support wall and a beam joint composite waterproof rubber cloth; the cover plate and the upper side surfaces of the roller plates form a top surface which can be expansively regulated and is flush with a bridge deck pavement layer, flat and free of barriers, the bottom of a whole body formed by the expansion plate and the roller plates is supported by the camber surface support frame, the cover plate and the bottoms of the outer sides, far away from the overlapping joints, of the expansion plates are both supported on the positioning installation plates through the pot type rubber bearings, the ends of the expansion plates are arranged on the inner sides of the corresponding inverted-L-shaped end support walls in an inverted mode, and the bottoms of the positioning installation plates are fixed to the beam end structure through welded U-shaped embedded steel bars. The device is novel in structure, simple in construction, good in durability, particularly suitable for a curved bridge, a slope bridge, a skew bridge and a large beam joint and capable of achieving the flat and barrier-free surface of a bridge girder joint expansion device to enable a car to smoothly transit and prevent car jumping.
Description
Technical field
The present invention relates to science of bridge building equipment technical field, particularly relate to a kind of bridge beam end structure board-like retractor device of accessible roller bearing.
Background technology
Progress along with expanding economy Yu technology, the construction of China's Longspan Bridge enters a period the most brilliant, big, the high in technological content Longspan Bridge of large quantities of novel structures, technical sophistication, difficulty of design and construction builds up in succession, but to large span particularly some super-long span bridges, its retractor device be designed to one of crucial and Technology Difficulties.
The collapsing length of current retractor device is limited, it is necessary to Multi-section telescopic device has coordinated the connection of the bridge of large span, has wasted time and energy, cost is high, and it is provided with the gap for cushioning in the middle of existing retractor device, and in use easily there is jumping the imagination of car, service life is low.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide that a kind of surfacing is accessible, smooth transition, avoids jumping the bridge beam end structure board-like retractor device of accessible roller bearing of car.
The technical solution adopted for the present invention to solve the technical problems is:
nullA kind of bridge beam end structure board-like retractor device of accessible roller bearing，It is characterized in that: include expansion plate、Some roller boards、Cover plate、Cambered surface support、Location and installation plate、Pot rubber bearing、Inverted L shape end props up wall and beam seam compounded rubber waterproof cloth，It is rotationally connected successively between described some roller boards and a side end is rotationally connected with expansion plate，Cover plate is overlapped on the upside of roller board and arranges，Cover plate forms telescopically adjustable and concordant with a bridge deck pavement and smooth clog-free end face with roller board uper side surface，Described part roller board extends to and relies on the mode being rotationally connected to bend setting bottom cover plate，The overall bottom that expansion plate and roller board are constituted is arranged by the supporting of cambered surface support，Described cover plate and expansion plate are bearing on location and installation plate away from the exterior bottom of lap-joint each through pot rubber bearing and end tips upside down on the inverted L shape end of correspondence and props up side within the walls，Described inverted L shape end prop up wall bottom be connected with location and installation plate fixing and its outside is connected also by ribbed stiffener with location and installation plate and to fix，Bottom described location and installation plate, the pre-buried U-shaped reinforcing bar by welding is fixed with beam-ends structure，Described beam seam compounded rubber waterproof cloth both sides are fixing with corresponding beam-ends structure respectively to be connected.
Described cover plate and expansion plate prop up the end that wall is connected and are respectively equipped with arc lower tooth with inverted L shape end, described inverted L shape end props up wall end and is provided with on arc tooth, on arc, under tooth bottom surface and arc, crest top land offsets settings, can along the globoidal structure rotation offseted between tooth on arc lower tooth and arc.
The side that described roller board both sides and expansion plate are connected with roller board is equipped with for realizing the attachment structure being rotationally connected.
The side bottom end that described cover plate and roller board overlap is provided with a cambered surface arranged with roller board laminating, and described cambered surface scribbles fluororesin self-lubricating coating layer.
The top of described cambered surface support includes planar section and flexure plane section, planar section is for the part that leaks outside of support telescopic plate and roller board, flexure plane section is slipped into the hidden parts bottom cover plate for support telescopic plate and roller board, and the junction of described planar section and flexure plane section is positioned at cover plate in the underface of side, cambered surface end.
The described bridge beam end structure board-like retractor device of accessible roller bearing further comprises the stiffener for strengthening stress, stiffener is separately positioned on the bottom of cover plate and expansion plate and roller board, cover plate and expansion plate are divided into the multiple row of parallel distribution with the stiffener bottom roller board, wherein each column stiffener bottom expansion plate and roller board is constituted by connecting fixing multistage with corresponding expansion plate and roller board, and the stiffener bottom cover plate is connected with cover plate bottom surface to be fixed；
Described stiffener is installed fixing also by the pot rubber bearing corresponding with cover plate, expansion plate.
The described bridge beam end structure board-like retractor device of accessible roller bearing is fixed on the reinforced concrete structure surface that beam-ends structure is prefabricated, described pre-buried U-shaped steel bar preassembling is embedded in inside reinforced concrete structure, and described cambered surface support is connected fixing by support pre-embedded bolt with reinforced concrete structure.
Described pot rubber bearing and location and installation plate are bolted.
The metal component surface of the described bridge beam end structure board-like retractor device of accessible roller bearing processes through cold spray zinc long-acting type aseptic technic and is formed with cold spray zinc closing membrane, and the board-like retractor device of the accessible roller bearing of bridge beam end structure is mixed sand for current end face of driving a vehicle by polymethyl methacrylate resin and carried out anti-skidding process.
In sum, the method have the advantages that
1, the board-like retractor device of the accessible roller bearing of bridge beam end structure adopts novel version, it is achieved retractor device surface is accessible flexible, smooth transition, it is to avoid jump car.
2, all metal component surfaces of the board-like retractor device of the accessible roller bearing of bridge beam end structure process through cold spray zinc long-acting type aseptic technic and are formed with cold spray zinc closing membrane, being suitable for coastal area, bridge spanning the sea and corrode more serious area, retractor device has longer service life.
3, this bridge beam end structure board-like retractor device of accessible roller bearing solves the restriction of existing retractor device telescopic extensions, can be adapted in middle large span and super-span structure and apply, and stroke can reach more than 3m.
4, the bearing of the board-like retractor device of the accessible roller bearing of bridge beam end structure adopts pot rubber bearing, can meet the interior horizontal and vertical displacement of certain limit, corner demand, and enhance the anti-seismic performance of device.
5, the board-like retractor device two ends of this accessible roller bearing of bridge beam end structure adopt end the wall of force buffer and the tooth engaged structure of correspondence, effectively reduce the impact of road pavement both sides during the vibrations of retractor device main body, prevent retractor device two ends pavement crack, and reduce installation cost.
6, the board-like retractor device of this accessible roller bearing of bridge beam end structure adopts cellular structure form, conveniently carries out maintenance and the replacing of device.
7, the area of the board-like retractor device adaptive temperature scope of this accessible roller bearing of bridge beam end structure-40 DEG C-+60 DEG C.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the agent structure schematic diagram of the present invention.
Fig. 2 is the extended configuration structural representation of the present invention.
Fig. 3 is the closure state structural representation of the present invention.
Fig. 4 is the structure for amplifying schematic diagram of " A " in Fig. 2.
Fig. 5 is the plan structure schematic diagram of the present invention.
In figure, 1 ribbed stiffener, 2 inverted L shape ends prop up wall, 3 cover plates, 4 cover plate stiffeners, 5 roller boards, 6 roller board stiffeners, 7 be rotationally connected Assembly of pin, 8 expansion plates, 9 expansion plate stiffeners, 10 pot rubber bearings, 11 pre-buried U-shaped reinforcing bars, 12 location and installation plates, 13 cambered surface supports, 14 support pre-embedded bolts, 15 beams seam compounded rubber waterproof cloth, 16 beam-ends structures, 17 flexure plane sections, 18 planar sections, 19 cambered surfaces, 20 arc lower tooths, 21 arcs on tooth.
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art the content disclosed by this specification can understand other advantages and effect of the present invention easily.
With reference to the accompanying drawings shown in 1,2,3,4: the invention provides a kind of bridge beam end structure board-like retractor device of accessible roller bearing, wall 2 and beam seam compounded rubber waterproof cloth 15 is propped up including expansion plate 8, some roller boards 5, cover plate 3, cambered surface support 13, location and installation plate 12, pot rubber bearing 10, inverted L shape end, wherein:
nullIt is rotationally connected successively between described some roller boards 5 and a side end is rotationally connected with expansion plate 8，Cover plate 3 is overlapped on the upside of roller board 5 and arranges，The side bottom end that described cover plate 3 and roller board 5 overlap is provided with a cambered surface 19 arranged with roller board 5 laminating，This cambered surface 19 scribbles fluororesin self-lubricating coating layer，Ensure that the not viscosity of cambered surface 19、Low abrasiveness、The non-maintaining advantage with automatically cleaning etc.，The setting of cambered surface 19 makes lap-joint can ignore the thickness of cover plate 3，Cover plate 3 is made to form telescopically adjustable and concordant with a bridge deck pavement and smooth clog-free end face with roller board 5 uper side surface，Described part roller board 5 extends to and relies on the mode being rotationally connected to bend setting bottom cover plate 3，Described roller board 5 both sides、And the side that expansion plate 8 is connected with roller board 5 is equipped with for realizing the attachment structure being rotationally connected，This attachment structure be coupling be rotationally connected Assembly of pin 7，Expansion plate 8 and roller board 5、Can rely between roller board 5 and roller board 5 and be rotationally connected Assembly of pin 7 and be rotationally connected，It is achieved thereby that the flexible of part roller board 5；
The overall bottom that described expansion plate 8 and roller board 5 are constituted is arranged by cambered surface support 13 supporting, the top of described cambered surface support 13 includes planar section 18 and flexure plane section 17, planar section 18 is for the part that leaks outside of support telescopic plate 8 and roller board 5, flexure plane section 17 is slipped into the hidden parts bottom cover plate 3 for support telescopic plate 8 and roller board 5, described planar section 18 and the junction of flexure plane section 17 are positioned at cover plate 3 in the underface of side, cambered surface 19 end, make cambered surface support 13 can pass through flexure plane section 17 while playing supporting role for receiving multiple roller boards 5 of bending, coordinate with cambered surface 19 simultaneously and realize the planarization of end face on the upside of cover plate 3 and roller board 5, cambered surface support 13 is overall adopts constitutionally stable steel construction, use as main stressed member；
nullDescribed cover plate 3 and expansion plate 8 are bearing on the location and installation plate 12 of correspondence away from the exterior bottom of lap-joint each through pot rubber bearing 10 and end tips upside down on the inverted L shape end of correspondence and props up inside wall 2，Pot rubber bearing 10 and location and installation plate 12 are bolted，Described inverted L shape end prop up wall 2 bottom be connected with location and installation plate 12 fixing and its outside is connected also by ribbed stiffener 1 with location and installation plate 12 and to fix，This structure achieves the fixing of cover plate 3 and expansion plate 8 outboard end，The activity making cover plate 3 and expansion plate 8 is subject to pot rubber bearing 10 and inverted L shape end props up the restriction of wall 2，In use，Inverted L shape end props up the stress that wall 2 may be used for cushioning this device to beam-ends structure 16，Effectively reduce the impact of road pavement both sides during the vibrations of this apparatus main body，Prevent retractor device two ends pavement crack，And reduce installation cost，Improve the life-span of beam-ends structure 16；
Wherein said cover plate 3 and expansion plate 8 prop up the end that wall 2 is connected and are respectively equipped with arc lower tooth 20 with inverted L shape end, described inverted L shape end props up wall 2 end and is provided with on arc tooth 21, on arc, tooth 21 bottom surface and arc lower tooth 20 end face offset setting, arc lower tooth 20 and arc can rotate along cambered surface 19 structure offseted between tooth 21, making this apparatus main body that at inverted L shape end, a stress part for beam-ends structure 16 is propped up absorption under wall 2 natural resiliency, some cushions by rotating change Impact direction；
The pre-buried U-shaped reinforcing bar 11 passing through bottom described location and installation plate 12 to weld is fixed with beam-ends structure 16, and described beam seam compounded rubber waterproof cloth 15 both sides are fixed with corresponding beam-ends structure 16 respectively and connected.
The described bridge beam end structure board-like retractor device of accessible roller bearing further comprises the stiffener for strengthening stress, stiffener is separately positioned on cover plate 3, and the bottom of expansion plate 8 and roller board 5, cover plate 3, and expansion plate 8 is divided into the multiple row of parallel distribution with the stiffener bottom roller board 5, wherein each column stiffener bottom expansion plate 8 and roller board 5 is constituted by expansion plate stiffener 9 and multistage roller board stiffener 6, expansion plate stiffener 9 and multistage roller board stiffener 6 connect fixing with corresponding expansion plate 8 and roller board 5 bottom surface respectively, cover plate stiffener 4 bottom cover plate 3 is connected fixing with cover plate 3 bottom surface, the setting of stiffener is mainly used in special occasions or has the bridge beam end structure 16 of particular/special requirement；
Described stiffener is installed fixing also by the pot rubber bearing 10 corresponding with cover plate 3, expansion plate 8.
The described bridge beam end structure board-like retractor device of accessible roller bearing is fixed on the reinforced concrete structure surface that beam-ends structure 16 is prefabricated, described pre-buried U-shaped reinforcing bar 11 is embedded in inside reinforced concrete structure, described cambered surface support 13 is connected fixing by support pre-embedded bolt 14 with reinforced concrete structure, is realized the installation of the bridge beam end structure board-like retractor device of accessible roller bearing and beam-ends structure 16 by this structure；
The metal structure surface of the described bridge beam end structure board-like retractor device of accessible roller bearing processes through cold spray zinc long-acting type aseptic technic and is formed with cold spray zinc closing membrane, it is adapted for coastal area, bridge spanning the sea and corrodes more serious area, extend the service life of retractor device, and the board-like retractor device of the accessible roller bearing of bridge beam end structure mixes sand by polymethyl methacrylate resin carry out anti-skidding process for current end face of driving a vehicle so that it is have anti-skidding effect.
This device is in use, when highway bridge is moved, the entirety that expansion plate 8 and roller board 5 are constituted can slide in or out bottom cover plate 3 according to the displacement of highway bridge, this device entirety is made to be stretched or close, owing to the seamless end face of device is absent from the gap of vertical direction, the smooth transition being vehicle provides guarantee, and the beam seam compounded rubber waterproof cloth 15 being simultaneously used for connection highway bridge beam-ends structure 16 carries out the bottom waterproof of the bridge beam end structure board-like retractor device of accessible roller bearing.
The foregoing is only the preferred embodiments of the present invention, as long as realizing purpose of the present invention technical scheme with essentially identical means, broadly falling within protection scope of the present invention.
Claims (9)
- null1. the bridge beam end structure board-like retractor device of accessible roller bearing，It is characterized in that: include expansion plate、Some roller boards、Cover plate、Cambered surface support、Location and installation plate、Pot rubber bearing、Inverted L shape end props up wall and beam seam compounded rubber waterproof cloth，It is rotationally connected successively between described some roller boards and a side end is rotationally connected with expansion plate，Cover plate is overlapped on the upside of roller board and arranges，Cover plate forms telescopically adjustable and concordant with a bridge deck pavement and smooth clog-free end face with roller board uper side surface，Described part roller board extends to and relies on the mode being rotationally connected to bend setting bottom cover plate，The overall bottom that expansion plate and roller board are constituted is arranged by the supporting of cambered surface support，Described cover plate and expansion plate are bearing on location and installation plate away from the exterior bottom of lap-joint each through pot rubber bearing and end tips upside down on the inverted L shape end of correspondence and props up side within the walls，Described inverted L shape end prop up wall bottom be connected with location and installation plate fixing and its outside is connected also by ribbed stiffener with location and installation plate and to fix，Bottom described location and installation plate, the pre-buried U-shaped reinforcing bar by welding is fixed with beam-ends structure，Described beam seam compounded rubber waterproof cloth both sides are fixing with corresponding beam-ends structure respectively to be connected.
- 2. the bridge beam end structure according to claim 1 board-like retractor device of accessible roller bearing, it is characterized in that: described cover plate and expansion plate prop up the end that wall is connected and be respectively equipped with arc lower tooth with inverted L shape end, described inverted L shape end props up wall end and is provided with on arc tooth, on arc, under tooth bottom surface and arc, crest top land offsets settings, can along the globoidal structure rotation offseted between tooth on arc lower tooth and arc.
- 3. the bridge beam end structure according to claim 1 board-like retractor device of accessible roller bearing, it is characterised in that: the side that described roller board both sides and expansion plate are connected with roller board is equipped with for realizing the attachment structure being rotationally connected.
- 4. the bridge beam end structure according to claim 1 board-like retractor device of accessible roller bearing, it is characterized in that: the side bottom end that described cover plate and roller board overlap is provided with a cambered surface arranged with roller board laminating, and described cambered surface scribbles fluororesin self-lubricating coating layer.
- 5. the bridge beam end structure according to claim 1 board-like retractor device of accessible roller bearing, it is characterized in that: the top of described cambered surface support includes planar section and flexure plane section, planar section is for the part that leaks outside of support telescopic plate and roller board, flexure plane section is slipped into the hidden parts bottom cover plate for support telescopic plate and roller board, and the junction of described planar section and flexure plane section is positioned at cover plate in the underface of side, cambered surface end.
- 6. the bridge beam end structure board-like retractor device of accessible roller bearing according to claim 1-6 any one, it is characterized in that: the described bridge beam end structure board-like retractor device of accessible roller bearing further comprises the stiffener for strengthening stress, stiffener is separately positioned on cover plate, and the bottom of expansion plate and roller board, cover plate, and expansion plate is divided into the multiple row of parallel distribution with the stiffener bottom roller board, wherein each column stiffener bottom expansion plate and roller board is constituted by connecting fixing multistage with corresponding expansion plate and roller board, stiffener bottom cover plate is connected fixing with cover plate bottom surface；Described stiffener is installed fixing also by the pot rubber bearing corresponding with cover plate, expansion plate.
- 7. the bridge beam end structure according to claim 1 board-like retractor device of accessible roller bearing, it is characterized in that: the described bridge beam end structure board-like retractor device of accessible roller bearing is fixed on the reinforced concrete structure surface that beam-ends structure is prefabricated, described pre-buried U-shaped steel bar preassembling is embedded in inside reinforced concrete structure, and described cambered surface support is connected fixing by support pre-embedded bolt with reinforced concrete structure.
- 8. the bridge beam end structure according to claim 1 board-like retractor device of accessible roller bearing, it is characterised in that: described pot rubber bearing and location and installation plate are bolted.
- 9. the bridge beam end structure according to claim 1 board-like retractor device of accessible roller bearing, it is characterized in that: the metal component surface of the described bridge beam end structure board-like retractor device of accessible roller bearing processes through cold spray zinc long-acting type aseptic technic and is formed with cold spray zinc closing membrane, and the board-like retractor device of the accessible roller bearing of bridge beam end structure is mixed sand for current end face of driving a vehicle by polymethyl methacrylate resin and carried out anti-skidding process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610143774.9A CN105803931A (en) | 2016-03-08 | 2016-03-08 | Barrier-free roller-plate-type expansion device of bridge beam end structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610143774.9A CN105803931A (en) | 2016-03-08 | 2016-03-08 | Barrier-free roller-plate-type expansion device of bridge beam end structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105803931A true CN105803931A (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610143774.9A Pending CN105803931A (en) | 2016-03-08 | 2016-03-08 | Barrier-free roller-plate-type expansion device of bridge beam end structure |
Country Status (1)
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|---|---|
| CN (1) | CN105803931A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729348A (en) * | 2018-09-11 | 2018-11-02 | 桥致通（武汉）技术有限公司 | A kind of railroad bridge pin-connected panel roller board telescopic device |
| CN108894104A (en) * | 2018-07-26 | 2018-11-27 | 桥致通（武汉）技术有限公司 | A kind of novel crawler arc roller board pin-connected panel telescopic device |
| CN112127272A (en) * | 2020-10-29 | 2020-12-25 | 贵州大学 | Expansion joint device and arrangement method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108894104A (en) * | 2018-07-26 | 2018-11-27 | 桥致通（武汉）技术有限公司 | A kind of novel crawler arc roller board pin-connected panel telescopic device |
| 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 |
| CN108729348A (en) * | 2018-09-11 | 2018-11-02 | 桥致通（武汉）技术有限公司 | A kind of railroad bridge pin-connected panel roller board telescopic device |
| CN108729348B (en) * | 2018-09-11 | 2024-03-29 | 桥致通（武汉）技术有限公司 | Railway bridge assembly type roller board telescoping device |
| CN112127272A (en) * | 2020-10-29 | 2020-12-25 | 贵州大学 | Expansion joint device and arrangement method |
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Application publication date: 20160727 |
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