CN111893900B - Assembled bridge of turning - Google Patents
Assembled bridge of turning Download PDFInfo
- Publication number
- CN111893900B CN111893900B CN202010783206.1A CN202010783206A CN111893900B CN 111893900 B CN111893900 B CN 111893900B CN 202010783206 A CN202010783206 A CN 202010783206A CN 111893900 B CN111893900 B CN 111893900B
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- bridge
- grooves
- fixed
- turning
- swivel
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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
- E01D21/08—Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
Abstract
The invention relates to the field of bridge construction, and particularly discloses an assembled turning bridge which comprises turning bridges, wherein closure sections are fixed at two ends of each turning bridge, and the closure sections at the two ends are respectively positioned at two ends of a diagonal line of each turning bridge; the opposite surfaces of the opposite folding sections are fixed with limiting columns, and the end parts of the rotating bridge are fixed with the same limiting columns; an assembly plate is arranged between adjacent rotary bridges, a filling section is fixed on the assembly plate, and a limiting groove matched with the limiting column is formed in the bottom of the assembly plate; a plurality of through grooves are formed in the assembling plate, two connecting columns which are arranged oppositely are connected in the through grooves in a sliding mode, a plurality of connecting reinforcing steel bars are distributed on the connecting columns in a vertical circular array mode, and connecting holes are formed in the circle centers of the connecting columns; a plurality of connecting grooves are formed in both ends of the rotating bridge; the upper surface of the assembling plate is provided with a grouting groove, and the bottom of the grouting groove is communicated with all the through grooves; the invention aims to solve the problem that the existing turning bridge pouring and folding section is long in construction time and affects line operation.
Description
Technical Field
The invention relates to the technical field of bridge construction, and particularly discloses an assembled swivel bridge.
Background
The conventional continuous beam needs to be turned and closed during construction, and because the end faces of the turning beam bodies at the two ends are common rectangular sections, the reserved post-pouring closing gap is wide in order to avoid mutual interference during turning, so that the post-pouring closing section construction process is complex. The existing construction method of full framing cast-in-place or segmental cantilever casting at a bridge position is usually adopted, if a bridge spans important buildings such as a high-speed railway, the operation of the existing buildings must be greatly influenced, and the safety is difficult to guarantee. In order to reduce interference on the existing road or high-speed railway and adopt swivel construction, and influence on operation of the existing road or high-speed railway is reduced to the maximum extent. The construction of the pipe shed is required to interfere with the existing railway or highway, so that the superiority of swivel construction is influenced to a certain extent.
Disclosure of Invention
The invention aims to provide an assembled rotating bridge to solve the problem that the existing rotating bridge pouring and folding section is long in construction time and affects line operation.
In order to achieve the purpose, the basic scheme of the invention is as follows:
an assembled turning bridge comprises turning bridges, wherein folding sections are fixed at two ends of each turning bridge, the folding sections at the two ends are respectively positioned at two ends of a diagonal line of each turning bridge, and an assembly gap is formed between each folding section and an adjacent bridge; the same limiting columns are fixed on the opposite surfaces of the opposite folding sections and the end parts of the rotating bridge; an assembly plate is arranged between adjacent swivel bridges, a filling section matched with the assembly gap is fixed on the side wall of the assembly plate, and a limiting groove matched with the limiting column is formed in the bottom of the assembly plate; a plurality of through grooves parallel to the rotating bridge are formed in the assembling plate, the through grooves are all positioned on the same horizontal plane, two connecting columns which are arranged oppositely are connected in the through grooves in a sliding mode, a plurality of connecting reinforcing steel bars are distributed on the opposite surfaces of the connecting columns in a vertical circular array mode, and connecting holes are formed in the circle centers of the connecting columns; a plurality of connecting grooves matched with the through grooves are formed in the two ends of the rotating bridge; the upper surface of the assembly plate is provided with a grouting groove, and the bottom of the grouting groove is communicated with all the through grooves.
Optionally, the folding part of the adjacent swivel bridge is provided with a template group, the template group comprises a horizontal template and two side templates, and the side templates are tightly attached to the outer side wall of the corresponding folding section; fences are fixed on the upper surfaces of the rotating bridges, slide rails parallel to the rotating bridges are arranged on the fences, three pulleys are connected onto the slide rails in a sliding mode, and the pulleys are connected with corresponding side templates in a rotating mode; the opposite surfaces of the side formworks are provided with T-shaped grooves parallel to the swivel bridge, a horizontal formwork tightly attached to the lower surface of the folding section is arranged between the opposite side formworks, and T-shaped blocks are fixed on two sides of the horizontal formwork.
Optionally, the end face of each connecting column is provided with a plurality of through holes in a circular array, the through holes are connected with reinforcing steel bars in a staggered mode, reinforcing steel bars are fixed in the through holes of one connecting column, and the reinforcing steel bars penetrate through the through holes of the other connecting column.
Optionally, the slide rail bottom is fixed with the base, and the bottom sliding connection of base has two clamping jaws about the rail symmetry setting, and the clamping jaw slides in opposite directions, and the clamping jaw is all seted up threaded hole in the bottom of face in opposite directions, and threaded hole female connection has the screw rod of taking the nut.
Optionally, key slots are formed in the end faces of the swivel bridge opposite to the folding section, and corresponding flat keys are fixed on the filling section.
The working principle and the beneficial effects of the scheme are as follows:
1. according to the invention, the assembly plates are utilized for assembly type folding, the operation is simple and convenient, equipment such as a folding hanger and the like is omitted, the construction process is greatly saved, the folding time is reduced, and the interference on the operation of peripheral lines is avoided. Simultaneously, utilize the connecting reinforcement on the spliced pole, be connected the assembly panel with the bridge of turning, in addition, through the grout groove on the assembly panel, with concrete pouring logical groove and spread groove in, and form fixed connection between the connecting reinforcement, guarantee the stability between the bridge of turning of assembled.
2. According to the invention, the template group and the fence are detachably connected, so that the template is quickly and conveniently mounted and dismounted, the construction time is shortened, and the interference on the operation of peripheral lines is further reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a left side view of an embodiment of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is a schematic structural view of a swivel bridge according to an embodiment of the present invention;
FIG. 5 is a bottom view of FIG. 4;
FIG. 6 is a schematic structural diagram of a connecting column according to an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the structure comprises a swivel bridge 1, a closure section 2, an assembly plate 3, a filling section 4, a grouting groove 5, a connecting column 6, connecting steel bars 7, reinforcing steel bars 8, a limiting column 9, a limiting groove 10, a fence 11, a sliding rail 12, a clamping jaw 13, a side template 14, a horizontal template 15, pulleys 16, a connecting hole 17, a key groove 18, a flat key 19, a connecting groove 20 and a T-shaped block 21.
Examples
As shown in fig. 1, 2, 3, 4, 5, and 6: an assembled swivel bridge 1 comprises a swivel bridge 1, closure sections 2 are integrally formed at two ends of the swivel bridge 1, the closure sections 2 at the two ends are respectively positioned at two ends of a diagonal line of the swivel bridge 1, and an assembly gap is formed between each closure section 2 and an adjacent bridge; the same limiting columns 9 are integrally formed on the opposite surfaces of the opposite folding sections 2 and the end parts of the rotating bridge 1; an assembly plate 3 is arranged between the adjacent swivel bridges 1, a filling section 4 matched with the assembly gap is fixed on the side wall of the assembly plate 3, and a limiting groove 10 matched with a limiting column 9 is formed in the bottom of the assembly plate 3; key grooves 18 are formed in the end faces, opposite to the folding section 2, of the swivel bridge 1, and corresponding flat keys 19 are integrally formed on the filling section 4; four through grooves parallel to the swivel bridge 1 are formed in the assembling plate 3, the through grooves are all positioned on the same horizontal plane, two connecting columns 6 which are arranged oppositely are connected in the through grooves in a sliding mode, a plurality of connecting steel bars 7 are distributed on the opposite surface of each connecting column 6 in a vertical circular array mode, and connecting holes 17 are formed in the circle centers of the connecting columns 6; a plurality of through holes are formed in the end face of each connecting column 6 in a circular array and staggered with connecting steel bars 7, reinforcing steel bars 8 are fixed in the through holes of one connecting column 6, and the reinforcing steel bars 8 penetrate through the through holes of the other connecting column 6; two ends of the rotating bridge 1 are respectively provided with four connecting grooves 20 matched with the through grooves; the upper surface of the assembling plate 3 is provided with a grouting groove 5, and the bottom of the grouting groove 5 is communicated with all the through grooves; the folding part of the adjacent swivel bridge 1 is provided with a template group, the template group comprises a horizontal template 15 and two side templates 14, and the side templates 14 are tightly attached to the outer side wall of the corresponding folding section 2; the upper surfaces of the rotating bridges 1 are all fixed with rails 11, the rails 11 are provided with sliding rails 12 parallel to the rotating bridges 1, the sliding rails 12 are connected with three pulleys 16 in a sliding manner, the pulleys 16 are rotatably connected with corresponding side templates 14, the bottoms of the sliding rails 12 are fixed with bases, the bottoms of the bases are connected with two clamping jaws 13 symmetrically arranged about the rails 11 in a sliding manner, the clamping jaws 13 slide in opposite directions, the bottom ends of the opposite surfaces of the clamping jaws 13 are provided with threaded holes, and the threaded holes are internally threaded with screws with nuts; t-shaped grooves parallel to the swivel bridge 1 are formed in the opposite surfaces of the side templates 14, a horizontal template 15 tightly attached to the lower surface of the folding section 2 is arranged between the opposite side templates 14, and T-shaped blocks 21 are fixed on the two sides of the horizontal template 15.
The specific implementation process comprises the following steps:
after the rotating body bridge 1 is fixed in a rotating body mode, the assembling plate 3 is hoisted to the folding position of the rotating body bridge 1, and the assembling plate 3 is installed; the flat key 19 is embedded into the corresponding key groove 18 to enhance the connection stability, and the limiting column 9 is also embedded into the corresponding limiting groove 10 to support the assembly plate 3.
Installing a slide rail 12 on the fence 11, fixing the slide rail by a screw and a nut, sliding a pulley 16 to enable the side templates 14 at two sides to wrap the folding part, inserting a horizontal template 15 into the two side templates 14, and fixing the horizontal template 15 and the side templates 14 by utilizing a T-shaped block 21 and a T-shaped groove (structures such as a bolt can be arranged to prevent the pulley 16 from sliding); meanwhile, the connecting columns 6 are pushed towards the two ends, so that the connecting reinforcing steel bars 7 on the connecting columns 6 extend into the connecting grooves 20, concrete is poured into the connecting grooves 5, the connecting grooves 20, the through grooves and the grouting grooves 5 are sequentially filled with the concrete through the connecting holes 17 of the connecting columns 6 (or a pouring pipeline penetrates through the connecting holes 17 and extends into the connecting grooves 20 to be sequentially filled, and the connecting grooves 20 are prevented from being filled with the concrete; after the concrete is solidified, the template and the slide rail 12 are removed; at this time, the connecting steel bars 7 and the fixed steel bars form a reinforced concrete structure, and the connection stability between the assembly plate 3 and the swivel bridge 1 is effectively enhanced.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (5)
1. The utility model provides a bridge of turning of assembled which characterized in that: the bridge comprises a turning bridge, wherein closure sections are fixed at both ends of the turning bridge, the closure sections at both ends are respectively positioned at both ends of a diagonal line of the turning bridge, and an assembly gap is formed between each closure section and an adjacent bridge; the same limiting columns are fixed on the opposite surfaces of the opposite folding sections and the end parts of the rotating bridge; an assembly plate is arranged between adjacent swivel bridges, a filling section matched with the assembly gap is fixed on the side wall of the assembly plate, and a limiting groove matched with the limiting column is formed in the bottom of the assembly plate; a plurality of through grooves parallel to the rotating bridge are formed in the assembling plate, the through grooves are all positioned on the same horizontal plane, two connecting columns which are arranged oppositely are connected in the through grooves in a sliding mode, a plurality of connecting reinforcing steel bars are distributed on the opposite surfaces of the connecting columns in a vertical circular array mode, and connecting holes are formed in the circle centers of the connecting columns; a plurality of connecting grooves matched with the through grooves are formed in the two ends of the rotating bridge; the upper surface of the assembly plate is provided with a grouting groove, and the bottom of the grouting groove is communicated with all the through grooves.
2. The fabricated swivel bridge of claim 1, wherein: the folding parts of the adjacent swivel bridges are provided with template groups, each template group comprises a horizontal template and two side templates, and the side templates are tightly attached to the outer side walls of the corresponding folding sections; fences are fixed on the upper surfaces of the rotating bridges, slide rails parallel to the rotating bridges are arranged on the fences, three pulleys are connected onto the slide rails in a sliding mode, and the pulleys are connected with corresponding side templates in a rotating mode; the opposite surfaces of the side formworks are provided with T-shaped grooves parallel to the swivel bridge, a horizontal formwork tightly attached to the lower surface of the folding section is arranged between the opposite side formworks, and T-shaped blocks are fixed on two sides of the horizontal formwork.
3. The fabricated swivel bridge of claim 2, wherein: the circular array has a plurality of through-holes on the spliced pole terminal surface, and the through-hole staggers the connecting reinforcement, is fixed with the reinforcing bar in the through-hole of one of them spliced pole, and the reinforcing bar passes the through-hole of another spliced pole.
4. The fabricated swivel bridge of claim 3, wherein: the bottom of the sliding rail is fixed with a base, the bottom of the base is connected with two clamping jaws which are symmetrically arranged relative to the fence in a sliding mode, the clamping jaws slide in opposite directions, threaded holes are formed in the bottoms of the opposite surfaces of the clamping jaws, and a screw rod with a nut is connected to the inner threads of the threaded holes.
5. The fabricated swivel bridge of claim 4, wherein: key grooves are formed in the end faces, opposite to the folding sections, of the swivel bridge, and corresponding flat keys are fixed on the filling sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010783206.1A CN111893900B (en) | 2020-08-06 | 2020-08-06 | Assembled bridge of turning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010783206.1A CN111893900B (en) | 2020-08-06 | 2020-08-06 | Assembled bridge of turning |
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| Publication Number | Publication Date |
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| CN111893900A CN111893900A (en) | 2020-11-06 |
| CN111893900B true CN111893900B (en) | 2021-08-17 |
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| CN202010783206.1A Active CN111893900B (en) | 2020-08-06 | 2020-08-06 | Assembled bridge of turning |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114016389B (en) * | 2021-11-10 | 2024-02-06 | 宁波市高等级公路建设管理中心 | Built-in truss combined bent cap based on UHPC permanent formwork and construction process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2257442C1 (en) * | 2004-11-23 | 2005-07-27 | Открытое акционерное общество "Мостотрест" (ОАО "Мостотрест") | Bridge and method of its building |
| CN101424070B (en) * | 2008-11-25 | 2010-08-11 | 重庆交通大学 | Guiding and correction device for arch healing |
| CN104153286A (en) * | 2012-10-23 | 2014-11-19 | 叶治豪 | Bridge spiral steel twisted belt prefabricated steel frame |
| CN105780650B (en) * | 2016-04-12 | 2017-08-29 | 中交第二航务工程局有限公司 | Rigidity supporting structure with positioning function |
| CN205741938U (en) * | 2016-05-24 | 2016-11-30 | 西安公路研究院 | A kind of continuous rigid frame bridge closure segment pushing tow system |
| CN106284080B (en) * | 2016-08-11 | 2019-01-11 | 中铁十二局集团第二工程有限公司 | Continuous rigid frame aqueduct closes up section constructing method |
| CN106758871A (en) * | 2017-02-20 | 2017-05-31 | 湖南科技大学 | A kind of full cantilever construction prestressed concrete continuous rigid-framed bridge and its construction method |
| CN107964878B (en) * | 2017-12-06 | 2020-02-21 | 重庆三峡学院 | City bridge wisdom changes rotation construction assembled roof beam body |
| CN207793902U (en) * | 2018-01-18 | 2018-08-31 | 重庆大学 | Bridge rotating BEI-DOU position system based on PLC |
| CN109208483B (en) * | 2018-10-09 | 2024-01-30 | 湖南省交通规划勘察设计院有限公司 | Bridge assembled closure section rigid connection assembly capable of being recycled |
| CN209066597U (en) * | 2018-11-16 | 2019-07-05 | 王晓辉 | A kind of prefabrication and assembly construction concrete frame beam-column connection construction |
| CN110172927A (en) * | 2019-07-09 | 2019-08-27 | 招商局重庆交通科研设计院有限公司 | The span centre of prestressed concrete continuous beam and continuous rigid frame closes up section constructing method |
| CN110820595A (en) * | 2019-12-09 | 2020-02-21 | 中国铁建大桥工程局集团有限公司 | Temporary locking device for closure section of steel truss arch bridge |
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Effective date of registration: 20220608 Address after: 401320 floor 24, China Construction Building, No. 175, Jianhong Road, Xi Street, Banan District, Chongqing Patentee after: CHINA CONSTRUCTION TUNNEL Corp.,Ltd. Address before: 330013 808 Nanchang East Street, Jiangxi economic and Technological Development Zone Patentee before: East China Jiaotong University |