CN111236060A - Buried bridge expansion device and construction method thereof - Google Patents
Buried bridge expansion device and construction method thereof Download PDFInfo
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- CN111236060A CN111236060A CN202010073979.0A CN202010073979A CN111236060A CN 111236060 A CN111236060 A CN 111236060A CN 202010073979 A CN202010073979 A CN 202010073979A CN 111236060 A CN111236060 A CN 111236060A
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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
- E01D19/067—Flat continuous joints cast in situ
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a filling type bridge expansion device which comprises a first square rod and a second square rod, wherein a plurality of first movable seats and a plurality of second movable seats are respectively arranged on one side of the square rod, a first horizontal tooth and a second horizontal tooth are respectively arranged at the upper end and the lower end of each movable seat, a first movable groove and a second movable groove are respectively formed in each movable seat, a movable rod is arranged in each movable groove, a first pouring plate and a second pouring plate are respectively arranged on one side of the bottom end of the square rod, a plurality of first fixed ribs and a plurality of second fixed ribs are respectively arranged at the upper end of each pouring plate, and a first pouring layer and a second pouring layer are respectively poured at the upper end of each pouring plate.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to a buried bridge expansion device and a construction method thereof.
Background
The bridge expansion device is designed to meet the requirement of bridge deck deformation, and is usually arranged between two beam ends, between the beam ends and a bridge abutment or at the hinged position of a bridge, and the expansion device can be divided into the following parts according to performance and installation methods: GQF-C type, GQF-Z type, GQF-L type and GQF-F type, wherein the GQF-MZL type is a bridge expansion joint device designed by adopting a hot-rolled integrally-formed profiled bar.
Bridge telescoping device is playing important effect in the bridge use, it is flexible through bridge telescoping device atress activity to satisfy the bridge floor deformation requirement, and then extension bridge life, the bridge telescoping device divide into a plurality of according to the construction type, wherein, the formula of burying telescoping device is in the work progress, bury whole device landfill in two sections bridge junctions reserve among the square groove of seting up, through concrete placement integrated into one piece again, however current formula of burying telescoping device has following problem in the use:
the existing buried bridge expansion device is relatively complex in structure and inconvenient to construct due to the structure of a steel bar frame; meanwhile, after the existing buried bridge expansion device is used for a long time, the flatness of the horizontal plane of the device is poor, so that the vehicle can stably pass through the device; meanwhile, the existing buried bridge expansion device has small moving range and poor deformation capability, and influences the use of the bridge.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a buried bridge expansion device and a construction method thereof, and the buried bridge expansion device has the characteristics of simple construction and stable connection.
In order to achieve the purpose, the invention provides the following technical scheme: a filling type bridge expansion device comprises a first square rod and a second square rod, wherein a plurality of first movable seats and second movable seats are horizontally arranged on one side of the first square rod opposite to the second square rod side by side respectively, one side of the first movable seats opposite to one side of the second movable seats protrudes in the opposite direction, a protruding part is respectively provided with a first movable groove and a second movable groove which are horizontally through, the first movable seats and the second movable seats are mutually arranged in a dog-tooth staggered manner, movable rods penetrate through the first movable grooves and the second movable grooves, two ends of each movable rod are provided with a disc head, the upper end and the lower end of the protruding part of the first movable seats and the second movable seats are respectively provided with a first horizontal tooth and a second horizontal tooth, one side of the bottom ends of the first square rod opposite to the bottom end of the second square rod is respectively provided with a first pouring plate and a second pouring plate horizontally, and the upper end faces of the first pouring plate and the second pouring plate are respectively provided with a plurality of first fixed ribs and second fixed ribs, a layer and No. two layers of pouring are poured respectively to fixed muscle and No. two fixed muscle's periphery, and the up end parallel and level of above-mentioned square bar, sliding seat, horizontal tooth and fixed muscle.
According to the preferred technical scheme of the buried bridge expansion device, the first square rod and the second square rod are both in a cubic structure, the first pouring plate and the second pouring plate are both in a plate structure and are fixedly connected with the first square rod and the second square rod through welding respectively, and the first fixing rib and the second fixing rib are perpendicular to the first pouring plate and the second pouring plate respectively and are fixedly connected through welding.
According to the preferred technical scheme of the buried bridge expansion device, the lower end faces of the first square rod and the second square rod are respectively provided with the first limiting plate and the second limiting plate, and the first limiting plate and the second limiting plate are both vertical plate-shaped structures and are fixedly connected with the first square rod and the second square rod respectively through welding.
As an optimal technical scheme of the buried bridge expansion device, the first movable seat and the second movable seat are fixedly connected with the first square rod and the second square rod respectively through welding.
As an optimal technical scheme of the buried bridge expansion device, the first horizontal teeth and the second horizontal teeth are of L-shaped structures and are fixedly connected with the first movable seat and the second movable seat respectively through welding, and the first horizontal teeth and the second horizontal teeth are arranged in a canine-shaped crossed manner.
As an optimal technical scheme of the buried bridge expansion device, the first movable groove and the second movable groove are both long circular arc holes.
The invention also provides a construction method of the buried bridge expansion device, which comprises the following steps:
place the device in two sections bridge body phase connection departments steadily for a limiting plate and No. two limiting plates laminate mutually with the vertical terminal surface that the bridge body is relative respectively, pour the board and laminate with the step up end level of bridge body No. one, then pour the board and pour the up end of board and No. two and form a layer of pouring and No. two layers of pouring through concrete placement on, thereby make this telescoping device and bridge body form the integral type structure.
Compared with the prior art, the buried bridge expansion device has the beneficial effects that:
1. with this telescoping device landfill in the junction of two sections bridge bodies, pour the layer and pour the layer through one number and pour the layer and pour the formation integral type structure No. two, when using, pour the board and a plurality of fixed muscle and No. two fixed muscle through one number, the device of being convenient for imbeds with the landfill of bridge and pours the shaping, the construction is simple and convenient, firm in connection.
2. Through the mutual intersection of the first movable seat, the second movable seat, the first horizontal teeth and the second horizontal teeth, the device is convenient to move and stretch, and the levelness of the horizontal plane of the device is not influenced.
3. Through the hinging of the first movable seat, the second movable seat, the first movable groove, the second movable groove and the movable rod, the device is convenient to movably stretch and retract, and the movable stretching capacity is strong.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic structural view of a buried bridge expansion device according to the present invention.
Fig. 2 is a top view of fig. 1.
In the figure: 1. the movable bridge comprises a first square rod, a second square rod, a first movable seat, a second movable seat, a limiting plate, a first limiting plate, a second limiting plate, a pouring plate, a second limiting plate, a fixing rib, a first pouring layer, a second pouring layer, a horizontal tooth, a movable groove, a movable rod, a disc head, a first bridge body, and a second bridge body, wherein the first square rod, the second square rod, the first movable seat, the second movable seat, the fixing rib, the second fixing rib, the first pouring layer, the pouring layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Fig. 1 is a schematic structural view of a buried bridge expansion device according to the present invention, and fig. 2 is a top view of fig. 1. In the figure, a fill in formula bridge telescoping device and include square pole 1 and No. two square poles 2, one side that square pole 1 and No. two square poles 2 are relative is the level respectively and is provided with a plurality of sliding seat 3 and No. two sliding seats 4 side by side, one side that sliding seat 3 and No. two sliding seats 4 are relative is to relative direction protrusion, the bulge is provided with a penetrating activity groove 15 of level and No. two activity grooves 16 respectively, a sliding seat 3 and No. two mutual dog staggered arrangement of sliding seat 4, it has the movable rod 17 to run through in activity groove 15 and No. two activity grooves 16, the both ends head of movable rod 17 is provided with disc head 18, prevent that movable rod 17 from deviating from the activity groove. The upper and lower both ends of a sliding seat 3 and No. two sliding seats 4 bulge are provided with horizontal tooth 13 and No. two horizontal teeth 14 respectively, the bottom opposite direction one side of a square pole 1 and No. two square poles 2 is provided with the board 7 of pouring and No. two is poured the board 8 respectively horizontally, the up end of the board 7 of pouring and No. two is provided with a plurality of fixed muscle 9 and No. two fixed muscle 10 respectively, No. one has poured layer 11 and No. two and has pour layer 12 around a fixed muscle 9 and No. two fixed muscle 10 respectively, above-mentioned No. two square poles, No. two sliding seats, the upper end parallel and level of No. two horizontal teeth and No. two fixed muscle each other.
No. one square bar 1 and No. two square bars 2 are the cube bodily form structure, and No. one pour board 7 and No. two pour board 8 and be the plate type structure and link firmly through the welding with a square bar 1 and No. two square bars 2 respectively, and No. one fixed reinforcement 9 and No. two fixed reinforcement 10 pour board 7 and No. two respectively with a perpendicular and through the welding link firmly of pouring board 8. No. 1 square bar and No. 2 square bar's lower terminal surface is provided with limiting plate 5 and No. 6 limiting plates respectively, and limiting plate 5 and No. 6 limiting plates are the plate type structure of erectting and link firmly through the welding with square bar 1 and No. 2 square bar respectively. A sliding seat 3 and a sliding seat 4 are fixedly connected with a first square rod 1 and a second square rod 2 through welding respectively. The first horizontal teeth 13 and the second horizontal teeth 14 are both L-shaped structures and are fixedly connected with the first movable seat 1 and the second movable seat 2 through welding respectively, and the first horizontal teeth 13 and the second horizontal teeth 14 are arranged in a canine-shaped crossed manner. The first movable groove 15 and the second movable groove 16 are both long circular arc holes.
The invention also provides a construction method of the buried bridge expansion device, which comprises the following steps:
the device is stably placed at the connection position of the two sections of bridge bodies 19 and 20, the first limiting plate 5 and the second limiting plate 6 are respectively attached to the vertical end faces, opposite to the first bridge body 19 and the second bridge body 20, of the first pouring plate 7 and the second pouring plate 8 are respectively horizontally attached to the upper end faces of the steps of the first bridge body 19 and the second bridge body 20, and then the first pouring layer 11 and the second pouring layer 12 are formed on the upper end faces of the first pouring plate 7 and the second pouring plate 8 through concrete pouring, so that the telescopic device and the bridge bodies form an integrated structure.
In this embodiment, a square bar 1, No. two square bars 2, a sliding seat 3, No. two sliding seats 4, a limiting plate 5, No. two limiting plates 6, No. one pour board 7, No. two pour board 8, No. one fixed muscle 9, No. two fixed muscle 10, horizontal tooth 13, No. two horizontal tooth 14 and movable rod 17 are metal material, high strength, it is stand wear and tear, bury whole device in two sections bridge junctions, pour layer 11 and No. two through one and form integral type structure, thereby accomplish construction work, when using, pour board 7 and No. two and pour board 8 and No. one pour board 7 and No. two and pour board 8 a plurality of fixed muscle 9 and No. two fixed muscle 10, be convenient for bury with the landfill of bridge of device and the shaping of pouring, the construction is simple and convenient, the connection is stable firm, when using, through a sliding seat 3 and No. two sliding seats 4 and the upper and lower No. 13 horizontal tooth of two movable seat upper and lower ends of No. two sliding seats And the horizontal teeth 14 are crossed, so that the device is convenient to move and stretch, the levelness of the horizontal plane of the device is not influenced, and when the device is used, the device is convenient to move and stretch through the first movable seat 3, the second movable seat 4, the first movable groove 15, the second movable groove 16 and the movable rod 17 in the first movable seat 3 and the second movable seat 4, and the moving and stretching capacity is strong. When the bridge is used, after the bridge body is subjected to thermal expansion stress, the first square rod 1 and the second square rod 2 movably extend and retract through the first movable seat 3, the second movable seat 4, the first horizontal tooth 13, the second horizontal tooth 14, the first movable groove 15, the second movable groove 16 and the movable rod 17, so that the pressure of the bridge is reduced.
When the device is used, the device is stably placed at the joint of two sections of bridges and then is subjected to concrete pouring and filling to form a whole, the first limiting plate 5 and the second limiting plate 6 are horizontally attached to the outer part of the bridge, the first pouring plate 7 and the second pouring plate 8 are horizontally attached to the upper end of the bridge, then the first pouring layer 11 and the second pouring layer 12 are formed at the upper ends of the first pouring plate 7 and the second pouring plate 8 at the peripheries of the first fixing rib 9 and the second fixing rib 10 through concrete pouring, so that the device and the bridge form an integrated structure, the construction is simple and convenient, the connection is stable and firm, the first movable seats 3 and the second movable seats 4 are arranged in a staggered and parallel mode, the first horizontal teeth 13 and the second horizontal teeth 14 are arranged in a staggered and parallel mode, and after the bridge is stressed in the using process, the first square rod 1 and the second square rod 2 are arranged through the first movable seats 3 and the second movable seats 3, The second movable seat 4, the first horizontal tooth 13, the second horizontal tooth 14, the first movable groove 15, the second movable groove 16 and the movable rod 17 are movably telescopic, so that the pressure of the bridge is reduced.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a landfill formula bridge telescoping device which characterized in that: comprises a first square rod, a second square rod, a plurality of first movable seats and second movable seats are respectively horizontally arranged side by side at one side of the first square rod opposite to the second square rod, one side of the first movable seat opposite to the second movable seat is protruded towards the opposite direction, a first movable groove and a second movable groove which are horizontally through are respectively arranged on the protruded part, the first movable seat and the second movable seat are mutually arranged in a canine tooth staggered manner, movable rods penetrate through the first movable groove and the second movable groove, two ends of each movable rod are provided with a disc head, the upper end and the lower end of the protruded part of the first movable seat and the second movable seat are respectively provided with a first horizontal tooth and a second horizontal tooth, one side of the first square rod opposite to the bottom end of the second square rod is respectively and horizontally provided with a first pouring plate and a second pouring plate, a plurality of first fixed ribs and a plurality of second fixed ribs are respectively arranged on the upper end faces of the first pouring plate and the second pouring plate, a layer and No. two layers of pouring are poured respectively to fixed muscle and No. two fixed muscle's periphery, and the up end parallel and level of above-mentioned square bar, sliding seat, horizontal tooth and fixed muscle.
2. The buried bridge expansion device of claim 1, wherein: a square bar and No. two square bars are the cube bodily form structure, and No. one pour the board and pour the board No. two and be plate type structure and link firmly through the welding with a square bar and No. two square bars respectively, and a fixed muscle and No. two fixed muscle are perpendicular and link firmly through the welding with a board of pouring and No. two boards respectively.
3. The buried bridge expansion device of claim 1, wherein: the lower terminal surface of a square bar and No. two square bars is provided with a limiting plate and No. two limiting plates respectively, and a limiting plate and No. two limiting plates are the plate type structure of erectting and link firmly through the welding with a square bar and No. two square bars respectively.
4. The buried bridge expansion device of claim 1, wherein: the first movable seat and the second movable seat are fixedly connected with the first square rod and the second square rod through welding respectively.
5. The buried bridge expansion device of claim 1, wherein: the first horizontal teeth and the second horizontal teeth are L-shaped structures and are fixedly connected with the first movable seat and the second movable seat through welding respectively, and the first horizontal teeth and the second horizontal teeth are arranged in a canine-shaped crossed manner.
6. The buried bridge expansion device of claim 1, wherein: the first movable groove and the second movable groove are both long circular arc holes.
7. The construction method of the buried bridge expansion device according to claim 1, wherein: place the device in two sections bridge body phase connection departments steadily for a limiting plate and No. two limiting plates laminate mutually with the vertical terminal surface that the bridge body is relative respectively, pour the board and laminate with the step up end level of bridge body No. one, then pour the board and pour the up end of board and No. two and form a layer of pouring and No. two layers of pouring through concrete placement on, thereby make this telescoping device and bridge body form the integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010073979.0A CN111236060A (en) | 2020-01-22 | 2020-01-22 | Buried bridge expansion device and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010073979.0A CN111236060A (en) | 2020-01-22 | 2020-01-22 | Buried bridge expansion device and construction method thereof |
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| Publication Number | Publication Date |
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| CN111236060A true CN111236060A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010073979.0A Pending CN111236060A (en) | 2020-01-22 | 2020-01-22 | Buried bridge expansion device and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376399A (en) * | 2020-11-05 | 2021-02-19 | 中冶南方城市建设工程技术有限公司 | Bridge width splicing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014105524A (en) * | 2012-11-29 | 2014-06-09 | Yokogawa Sumikin Bridge Corp | Expansion device using fatigue resistance steel |
| CN207973996U (en) * | 2017-09-22 | 2018-10-16 | 詹秀云 | A kind of pontic attachment device of highway bridge |
| CN208346626U (en) * | 2018-06-28 | 2019-01-08 | 衡水中铁建工程橡胶有限责任公司 | A kind of vibration and noise reducing bridge extension joint |
| KR102000175B1 (en) * | 2019-01-28 | 2019-10-01 | 현주건설(주) | Expansion joint structure of road construction |
| CN209779441U (en) * | 2019-03-27 | 2019-12-13 | 南京毛勒工程材料有限公司 | composite telescopic device |
-
2020
- 2020-01-22 CN CN202010073979.0A patent/CN111236060A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014105524A (en) * | 2012-11-29 | 2014-06-09 | Yokogawa Sumikin Bridge Corp | Expansion device using fatigue resistance steel |
| CN207973996U (en) * | 2017-09-22 | 2018-10-16 | 詹秀云 | A kind of pontic attachment device of highway bridge |
| CN208346626U (en) * | 2018-06-28 | 2019-01-08 | 衡水中铁建工程橡胶有限责任公司 | A kind of vibration and noise reducing bridge extension joint |
| KR102000175B1 (en) * | 2019-01-28 | 2019-10-01 | 현주건설(주) | Expansion joint structure of road construction |
| CN209779441U (en) * | 2019-03-27 | 2019-12-13 | 南京毛勒工程材料有限公司 | composite telescopic device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376399A (en) * | 2020-11-05 | 2021-02-19 | 中冶南方城市建设工程技术有限公司 | Bridge width splicing device |
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Application publication date: 20200605 |
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